liquid_feedback_core

view core.sql @ 508:e9a6f63612da

Added SQL COMMENTs
author jbe
date Sat Apr 16 18:14:09 2016 +0200 (2016-04-16)
parents 7bc72214ecc9
children 3b684315c724
line source
2 -- Execute the following command manually for PostgreSQL prior version 9.0:
3 -- CREATE LANGUAGE plpgsql;
5 -- NOTE: In PostgreSQL every UNIQUE constraint implies creation of an index
7 BEGIN;
9 CREATE VIEW "liquid_feedback_version" AS
10 SELECT * FROM (VALUES ('3.2.0', 3, 2, 0))
11 AS "subquery"("string", "major", "minor", "revision");
15 ----------------------
16 -- Full text search --
17 ----------------------
20 CREATE FUNCTION "text_search_query"("query_text_p" TEXT)
21 RETURNS TSQUERY
22 LANGUAGE 'plpgsql' IMMUTABLE AS $$
23 BEGIN
24 RETURN plainto_tsquery('pg_catalog.simple', "query_text_p");
25 END;
26 $$;
28 COMMENT ON FUNCTION "text_search_query"(TEXT) IS 'Usage: WHERE "text_search_data" @@ "text_search_query"(''<user query>'')';
31 CREATE FUNCTION "highlight"
32 ( "body_p" TEXT,
33 "query_text_p" TEXT )
34 RETURNS TEXT
35 LANGUAGE 'plpgsql' IMMUTABLE AS $$
36 BEGIN
37 RETURN ts_headline(
38 'pg_catalog.simple',
39 replace(replace("body_p", e'\\', e'\\\\'), '*', e'\\*'),
40 "text_search_query"("query_text_p"),
41 'StartSel=* StopSel=* HighlightAll=TRUE' );
42 END;
43 $$;
45 COMMENT ON FUNCTION "highlight"
46 ( "body_p" TEXT,
47 "query_text_p" TEXT )
48 IS 'For a given a user query this function encapsulates all matches with asterisks. Asterisks and backslashes being already present are preceeded with one extra backslash.';
52 -------------------------
53 -- Tables and indicies --
54 -------------------------
57 CREATE TABLE "temporary_transaction_data" (
58 PRIMARY KEY ("txid", "key"),
59 "txid" INT8 DEFAULT txid_current(),
60 "key" TEXT,
61 "value" TEXT NOT NULL );
63 COMMENT ON TABLE "temporary_transaction_data" IS 'Table to store temporary transaction data; shall be emptied before a transaction is committed';
65 COMMENT ON COLUMN "temporary_transaction_data"."txid" IS 'Value returned by function txid_current(); should be added to WHERE clause, when doing SELECT on this table, but ignored when doing DELETE on this table';
68 CREATE TABLE "system_setting" (
69 "member_ttl" INTERVAL );
70 CREATE UNIQUE INDEX "system_setting_singleton_idx" ON "system_setting" ((1));
72 COMMENT ON TABLE "system_setting" IS 'This table contains only one row with different settings in each column.';
73 COMMENT ON INDEX "system_setting_singleton_idx" IS 'This index ensures that "system_setting" only contains one row maximum.';
75 COMMENT ON COLUMN "system_setting"."member_ttl" IS 'Time after members get their "active" flag set to FALSE, if they do not show any activity.';
78 CREATE TABLE "contingent" (
79 PRIMARY KEY ("polling", "time_frame"),
80 "polling" BOOLEAN,
81 "time_frame" INTERVAL,
82 "text_entry_limit" INT4,
83 "initiative_limit" INT4 );
85 COMMENT ON TABLE "contingent" IS 'Amount of text entries or initiatives a user may create within a given time frame. Only one row needs to be fulfilled for a member to be allowed to post. This table must not be empty.';
87 COMMENT ON COLUMN "contingent"."polling" IS 'Determines if settings are for creating initiatives and new drafts of initiatives with "polling" flag set';
88 COMMENT ON COLUMN "contingent"."text_entry_limit" IS 'Number of new drafts or suggestions to be submitted by each member within the given time frame';
89 COMMENT ON COLUMN "contingent"."initiative_limit" IS 'Number of new initiatives to be opened by each member within a given time frame';
92 CREATE TABLE "member" (
93 "id" SERIAL4 PRIMARY KEY,
94 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
95 "invite_code" TEXT UNIQUE,
96 "invite_code_expiry" TIMESTAMPTZ,
97 "admin_comment" TEXT,
98 "activated" TIMESTAMPTZ,
99 "last_activity" DATE,
100 "last_login" TIMESTAMPTZ,
101 "last_delegation_check" TIMESTAMPTZ,
102 "login" TEXT UNIQUE,
103 "password" TEXT,
104 "authority" TEXT,
105 "authority_uid" TEXT,
106 "authority_login" TEXT,
107 "locked" BOOLEAN NOT NULL DEFAULT FALSE,
108 "active" BOOLEAN NOT NULL DEFAULT FALSE,
109 "admin" BOOLEAN NOT NULL DEFAULT FALSE,
110 "lang" TEXT,
111 "notify_email" TEXT,
112 "notify_email_unconfirmed" TEXT,
113 "notify_email_secret" TEXT UNIQUE,
114 "notify_email_secret_expiry" TIMESTAMPTZ,
115 "notify_email_lock_expiry" TIMESTAMPTZ,
116 "disable_notifications" BOOLEAN NOT NULL DEFAULT FALSE,
117 "notification_counter" INT4 NOT NULL DEFAULT 1,
118 "notification_sample_size" INT4 NOT NULL DEFAULT 3,
119 "notification_dow" INT4 CHECK ("notification_dow" BETWEEN 0 AND 6),
120 "notification_hour" INT4 CHECK ("notification_hour" BETWEEN 0 AND 23),
121 "notification_sent" TIMESTAMP,
122 "login_recovery_expiry" TIMESTAMPTZ,
123 "password_reset_secret" TEXT UNIQUE,
124 "password_reset_secret_expiry" TIMESTAMPTZ,
125 "name" TEXT UNIQUE,
126 "identification" TEXT UNIQUE,
127 "authentication" TEXT,
128 "organizational_unit" TEXT,
129 "internal_posts" TEXT,
130 "realname" TEXT,
131 "birthday" DATE,
132 "address" TEXT,
133 "email" TEXT,
134 "xmpp_address" TEXT,
135 "website" TEXT,
136 "phone" TEXT,
137 "mobile_phone" TEXT,
138 "profession" TEXT,
139 "external_memberships" TEXT,
140 "external_posts" TEXT,
141 "formatting_engine" TEXT,
142 "statement" TEXT,
143 "text_search_data" TSVECTOR,
144 CONSTRAINT "active_requires_activated_and_last_activity"
145 CHECK ("active" = FALSE OR ("activated" NOTNULL AND "last_activity" NOTNULL)),
146 CONSTRAINT "authority_requires_uid_and_vice_versa"
147 CHECK (("authority" NOTNULL) = ("authority_uid" NOTNULL)),
148 CONSTRAINT "authority_uid_unique_per_authority"
149 UNIQUE ("authority", "authority_uid"),
150 CONSTRAINT "authority_login_requires_authority"
151 CHECK ("authority" NOTNULL OR "authority_login" ISNULL),
152 CONSTRAINT "notification_dow_requires_notification_hour"
153 CHECK ("notification_dow" ISNULL OR "notification_hour" NOTNULL),
154 CONSTRAINT "name_not_null_if_activated"
155 CHECK ("activated" ISNULL OR "name" NOTNULL) );
156 CREATE INDEX "member_authority_login_idx" ON "member" ("authority_login");
157 CREATE INDEX "member_active_idx" ON "member" ("active");
158 CREATE INDEX "member_text_search_data_idx" ON "member" USING gin ("text_search_data");
159 CREATE TRIGGER "update_text_search_data"
160 BEFORE INSERT OR UPDATE ON "member"
161 FOR EACH ROW EXECUTE PROCEDURE
162 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',
163 "name", "identification", "organizational_unit", "internal_posts",
164 "realname", "external_memberships", "external_posts", "statement" );
166 COMMENT ON TABLE "member" IS 'Users of the system, e.g. members of an organization';
168 COMMENT ON COLUMN "member"."created" IS 'Creation of member record and/or invite code';
169 COMMENT ON COLUMN "member"."invite_code" IS 'Optional invite code, to allow a member to initialize his/her account the first time';
170 COMMENT ON COLUMN "member"."invite_code_expiry" IS 'Expiry data/time for "invite_code"';
171 COMMENT ON COLUMN "member"."admin_comment" IS 'Hidden comment for administrative purposes';
172 COMMENT ON COLUMN "member"."activated" IS 'Timestamp of first activation of account (i.e. usage of "invite_code"); required to be set for "active" members';
173 COMMENT ON COLUMN "member"."last_activity" IS 'Date of last activity of member; required to be set for "active" members';
174 COMMENT ON COLUMN "member"."last_login" IS 'Timestamp of last login';
175 COMMENT ON COLUMN "member"."last_delegation_check" IS 'Timestamp of last delegation check (i.e. confirmation of all unit and area delegations)';
176 COMMENT ON COLUMN "member"."login" IS 'Login name';
177 COMMENT ON COLUMN "member"."password" IS 'Password (preferably as crypto-hash, depending on the frontend or access layer)';
178 COMMENT ON COLUMN "member"."authority" IS 'NULL if LiquidFeedback Core is authoritative for the member account; otherwise a string that indicates the source/authority of the external account (e.g. ''LDAP'' for an LDAP account)';
179 COMMENT ON COLUMN "member"."authority_uid" IS 'Unique identifier (unique per "authority") that allows to identify an external account (e.g. even if the login name changes)';
180 COMMENT ON COLUMN "member"."authority_login" IS 'Login name for external accounts (field is not unique!)';
181 COMMENT ON COLUMN "member"."locked" IS 'Locked members can not log in.';
182 COMMENT ON COLUMN "member"."active" IS 'Memberships, support and votes are taken into account when corresponding members are marked as active. Automatically set to FALSE, if "last_activity" is older than "system_setting"."member_ttl".';
183 COMMENT ON COLUMN "member"."admin" IS 'TRUE for admins, which can administrate other users and setup policies and areas';
184 COMMENT ON COLUMN "member"."lang" IS 'Language code of the preferred language of the member';
185 COMMENT ON COLUMN "member"."notify_email" IS 'Email address where notifications of the system are sent to';
186 COMMENT ON COLUMN "member"."notify_email_unconfirmed" IS 'Unconfirmed email address provided by the member to be copied into "notify_email" field after verification';
187 COMMENT ON COLUMN "member"."notify_email_secret" IS 'Secret sent to the address in "notify_email_unconformed"';
188 COMMENT ON COLUMN "member"."notify_email_secret_expiry" IS 'Expiry date/time for "notify_email_secret"';
189 COMMENT ON COLUMN "member"."notify_email_lock_expiry" IS 'Date/time until no further email confirmation mails may be sent (abuse protection)';
190 COMMENT ON COLUMN "member"."disable_notifications" IS 'TRUE if member does not want to receive notifications';
191 COMMENT ON COLUMN "member"."notification_counter" IS 'Sequential number of next scheduled notification message (used as a seed for pseudo-random initiative selection algorithm)';
192 COMMENT ON COLUMN "member"."notification_sample_size" IS 'Number of featured initiatives per issue in scheduled notification messages';
193 COMMENT ON COLUMN "member"."notification_dow" IS 'Day of week for scheduled notifications (NULL to receive a daily digest)';
194 COMMENT ON COLUMN "member"."notification_hour" IS 'Time of day when scheduled notifications are sent out';
195 COMMENT ON COLUMN "member"."notification_sent" IS 'Timestamp of last scheduled notification mail that has been sent out';
196 COMMENT ON COLUMN "member"."login_recovery_expiry" IS 'Date/time after which another login recovery attempt is allowed';
197 COMMENT ON COLUMN "member"."password_reset_secret" IS 'Secret string sent via e-mail for password recovery';
198 COMMENT ON COLUMN "member"."password_reset_secret_expiry" IS 'Date/time until the password recovery secret is valid, and date/time after which another password recovery attempt is allowed';
199 COMMENT ON COLUMN "member"."name" IS 'Distinct name of the member, may be NULL if account has not been activated yet';
200 COMMENT ON COLUMN "member"."identification" IS 'Optional identification number or code of the member';
201 COMMENT ON COLUMN "member"."authentication" IS 'Information about how this member was authenticated';
202 COMMENT ON COLUMN "member"."organizational_unit" IS 'Branch or division of the organization the member belongs to';
203 COMMENT ON COLUMN "member"."internal_posts" IS 'Posts (offices) of the member inside the organization';
204 COMMENT ON COLUMN "member"."realname" IS 'Real name of the member, may be identical with "name"';
205 COMMENT ON COLUMN "member"."email" IS 'Published email address of the member; not used for system notifications';
206 COMMENT ON COLUMN "member"."external_memberships" IS 'Other organizations the member is involved in';
207 COMMENT ON COLUMN "member"."external_posts" IS 'Posts (offices) outside the organization';
208 COMMENT ON COLUMN "member"."formatting_engine" IS 'Allows different formatting engines (i.e. wiki formats) to be used for "member"."statement"';
209 COMMENT ON COLUMN "member"."statement" IS 'Freely chosen text of the member for his/her profile';
212 CREATE TABLE "member_history" (
213 "id" SERIAL8 PRIMARY KEY,
214 "member_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
215 "until" TIMESTAMPTZ NOT NULL DEFAULT now(),
216 "active" BOOLEAN NOT NULL,
217 "name" TEXT NOT NULL );
218 CREATE INDEX "member_history_member_id_idx" ON "member_history" ("member_id");
220 COMMENT ON TABLE "member_history" IS 'Filled by trigger; keeps information about old names and active flag of members';
222 COMMENT ON COLUMN "member_history"."id" IS 'Primary key, which can be used to sort entries correctly (and time warp resistant)';
223 COMMENT ON COLUMN "member_history"."until" IS 'Timestamp until the data was valid';
226 CREATE TABLE "rendered_member_statement" (
227 PRIMARY KEY ("member_id", "format"),
228 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
229 "format" TEXT,
230 "content" TEXT NOT NULL );
232 COMMENT ON TABLE "rendered_member_statement" IS 'This table may be used by frontends to cache "rendered" member statements (e.g. HTML output generated from wiki text)';
235 CREATE TABLE "setting" (
236 PRIMARY KEY ("member_id", "key"),
237 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
238 "key" TEXT NOT NULL,
239 "value" TEXT NOT NULL );
240 CREATE INDEX "setting_key_idx" ON "setting" ("key");
242 COMMENT ON TABLE "setting" IS 'Place to store a frontend specific setting for members as a string';
244 COMMENT ON COLUMN "setting"."key" IS 'Name of the setting, preceded by a frontend specific prefix';
247 CREATE TABLE "setting_map" (
248 PRIMARY KEY ("member_id", "key", "subkey"),
249 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
250 "key" TEXT NOT NULL,
251 "subkey" TEXT NOT NULL,
252 "value" TEXT NOT NULL );
253 CREATE INDEX "setting_map_key_idx" ON "setting_map" ("key");
255 COMMENT ON TABLE "setting_map" IS 'Place to store a frontend specific setting for members as a map of key value pairs';
257 COMMENT ON COLUMN "setting_map"."key" IS 'Name of the setting, preceded by a frontend specific prefix';
258 COMMENT ON COLUMN "setting_map"."subkey" IS 'Key of a map entry';
259 COMMENT ON COLUMN "setting_map"."value" IS 'Value of a map entry';
262 CREATE TABLE "member_relation_setting" (
263 PRIMARY KEY ("member_id", "key", "other_member_id"),
264 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
265 "key" TEXT NOT NULL,
266 "other_member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
267 "value" TEXT NOT NULL );
269 COMMENT ON TABLE "member_relation_setting" IS 'Place to store a frontend specific setting related to relations between members as a string';
272 CREATE TYPE "member_image_type" AS ENUM ('photo', 'avatar');
274 COMMENT ON TYPE "member_image_type" IS 'Types of images for a member';
277 CREATE TABLE "member_image" (
278 PRIMARY KEY ("member_id", "image_type", "scaled"),
279 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
280 "image_type" "member_image_type",
281 "scaled" BOOLEAN,
282 "content_type" TEXT,
283 "data" BYTEA NOT NULL );
285 COMMENT ON TABLE "member_image" IS 'Images of members';
287 COMMENT ON COLUMN "member_image"."scaled" IS 'FALSE for original image, TRUE for scaled version of the image';
290 CREATE TABLE "member_count" (
291 "calculated" TIMESTAMPTZ NOT NULL DEFAULT now(),
292 "total_count" INT4 NOT NULL );
294 COMMENT ON TABLE "member_count" IS 'Contains one row which contains the total count of active(!) members and a timestamp indicating when the total member count and area member counts were calculated';
296 COMMENT ON COLUMN "member_count"."calculated" IS 'timestamp indicating when the total member count and area member counts were calculated';
297 COMMENT ON COLUMN "member_count"."total_count" IS 'Total count of active(!) members';
300 CREATE TABLE "contact" (
301 PRIMARY KEY ("member_id", "other_member_id"),
302 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
303 "other_member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
304 "public" BOOLEAN NOT NULL DEFAULT FALSE,
305 CONSTRAINT "cant_save_yourself_as_contact"
306 CHECK ("member_id" != "other_member_id") );
307 CREATE INDEX "contact_other_member_id_idx" ON "contact" ("other_member_id");
309 COMMENT ON TABLE "contact" IS 'Contact lists';
311 COMMENT ON COLUMN "contact"."member_id" IS 'Member having the contact list';
312 COMMENT ON COLUMN "contact"."other_member_id" IS 'Member referenced in the contact list';
313 COMMENT ON COLUMN "contact"."public" IS 'TRUE = display contact publically';
316 CREATE TABLE "ignored_member" (
317 PRIMARY KEY ("member_id", "other_member_id"),
318 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
319 "other_member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
320 CREATE INDEX "ignored_member_other_member_id_idx" ON "ignored_member" ("other_member_id");
322 COMMENT ON TABLE "ignored_member" IS 'Possibility to filter other members';
324 COMMENT ON COLUMN "ignored_member"."member_id" IS 'Member ignoring someone';
325 COMMENT ON COLUMN "ignored_member"."other_member_id" IS 'Member being ignored';
328 CREATE TABLE "session" (
329 "ident" TEXT PRIMARY KEY,
330 "additional_secret" TEXT,
331 "expiry" TIMESTAMPTZ NOT NULL DEFAULT now() + '24 hours',
332 "member_id" INT4 REFERENCES "member" ("id") ON DELETE SET NULL,
333 "authority" TEXT,
334 "authority_uid" TEXT,
335 "authority_login" TEXT,
336 "needs_delegation_check" BOOLEAN NOT NULL DEFAULT FALSE,
337 "lang" TEXT );
338 CREATE INDEX "session_expiry_idx" ON "session" ("expiry");
340 COMMENT ON TABLE "session" IS 'Sessions, i.e. for a web-frontend or API layer';
342 COMMENT ON COLUMN "session"."ident" IS 'Secret session identifier (i.e. random string)';
343 COMMENT ON COLUMN "session"."additional_secret" IS 'Additional field to store a secret, which can be used against CSRF attacks';
344 COMMENT ON COLUMN "session"."member_id" IS 'Reference to member, who is logged in';
345 COMMENT ON COLUMN "session"."authority" IS 'Temporary store for "member"."authority" during member account creation';
346 COMMENT ON COLUMN "session"."authority_uid" IS 'Temporary store for "member"."authority_uid" during member account creation';
347 COMMENT ON COLUMN "session"."authority_login" IS 'Temporary store for "member"."authority_login" during member account creation';
348 COMMENT ON COLUMN "session"."needs_delegation_check" IS 'Set to TRUE, if member must perform a delegation check to proceed with login; see column "last_delegation_check" in "member" table';
349 COMMENT ON COLUMN "session"."lang" IS 'Language code of the selected language';
352 CREATE TYPE "defeat_strength" AS ENUM ('simple', 'tuple');
354 COMMENT ON TYPE "defeat_strength" IS 'How pairwise defeats are measured for the Schulze method: ''simple'' = only the number of winning votes, ''tuple'' = primarily the number of winning votes, secondarily the number of losing votes';
357 CREATE TYPE "tie_breaking" AS ENUM ('simple', 'variant1', 'variant2');
359 COMMENT ON TYPE "tie_breaking" IS 'Tie-breaker for the Schulze method: ''simple'' = only initiative ids are used, ''variant1'' = use initiative ids in variant 1 for tie breaking of the links (TBRL) and sequentially forbid shared links, ''variant2'' = use initiative ids in variant 2 for tie breaking of the links (TBRL) and sequentially forbid shared links';
362 CREATE TABLE "policy" (
363 "id" SERIAL4 PRIMARY KEY,
364 "index" INT4 NOT NULL,
365 "active" BOOLEAN NOT NULL DEFAULT TRUE,
366 "name" TEXT NOT NULL UNIQUE,
367 "description" TEXT NOT NULL DEFAULT '',
368 "polling" BOOLEAN NOT NULL DEFAULT FALSE,
369 "min_admission_time" INTERVAL,
370 "max_admission_time" INTERVAL,
371 "discussion_time" INTERVAL,
372 "verification_time" INTERVAL,
373 "voting_time" INTERVAL,
374 "issue_quorum_num" INT4,
375 "issue_quorum_den" INT4,
376 "initiative_quorum_num" INT4 NOT NULL,
377 "initiative_quorum_den" INT4 NOT NULL,
378 "defeat_strength" "defeat_strength" NOT NULL DEFAULT 'tuple',
379 "tie_breaking" "tie_breaking" NOT NULL DEFAULT 'variant1',
380 "direct_majority_num" INT4 NOT NULL DEFAULT 1,
381 "direct_majority_den" INT4 NOT NULL DEFAULT 2,
382 "direct_majority_strict" BOOLEAN NOT NULL DEFAULT TRUE,
383 "direct_majority_positive" INT4 NOT NULL DEFAULT 0,
384 "direct_majority_non_negative" INT4 NOT NULL DEFAULT 0,
385 "indirect_majority_num" INT4 NOT NULL DEFAULT 1,
386 "indirect_majority_den" INT4 NOT NULL DEFAULT 2,
387 "indirect_majority_strict" BOOLEAN NOT NULL DEFAULT TRUE,
388 "indirect_majority_positive" INT4 NOT NULL DEFAULT 0,
389 "indirect_majority_non_negative" INT4 NOT NULL DEFAULT 0,
390 "no_reverse_beat_path" BOOLEAN NOT NULL DEFAULT FALSE,
391 "no_multistage_majority" BOOLEAN NOT NULL DEFAULT FALSE,
392 CONSTRAINT "timing" CHECK (
393 ( "polling" = FALSE AND
394 "min_admission_time" NOTNULL AND "max_admission_time" NOTNULL AND
395 "min_admission_time" <= "max_admission_time" AND
396 "discussion_time" NOTNULL AND
397 "verification_time" NOTNULL AND
398 "voting_time" NOTNULL ) OR
399 ( "polling" = TRUE AND
400 "min_admission_time" ISNULL AND "max_admission_time" ISNULL AND
401 "discussion_time" NOTNULL AND
402 "verification_time" NOTNULL AND
403 "voting_time" NOTNULL ) OR
404 ( "polling" = TRUE AND
405 "min_admission_time" ISNULL AND "max_admission_time" ISNULL AND
406 "discussion_time" ISNULL AND
407 "verification_time" ISNULL AND
408 "voting_time" ISNULL ) ),
409 CONSTRAINT "issue_quorum_if_and_only_if_not_polling" CHECK (
410 "polling" = ("issue_quorum_num" ISNULL) AND
411 "polling" = ("issue_quorum_den" ISNULL) ),
412 CONSTRAINT "no_reverse_beat_path_requires_tuple_defeat_strength" CHECK (
413 "defeat_strength" = 'tuple'::"defeat_strength" OR
414 "no_reverse_beat_path" = FALSE ) );
415 CREATE INDEX "policy_active_idx" ON "policy" ("active");
417 COMMENT ON TABLE "policy" IS 'Policies for a particular proceeding type (timelimits, quorum)';
419 COMMENT ON COLUMN "policy"."index" IS 'Determines the order in listings';
420 COMMENT ON COLUMN "policy"."active" IS 'TRUE = policy can be used for new issues';
421 COMMENT ON COLUMN "policy"."polling" IS 'TRUE = special policy for non-user-generated issues without issue quorum, where certain initiatives (those having the "polling" flag set) do not need to pass the initiative quorum; "min_admission_time" and "max_admission_time" MUST be set to NULL, the other timings may be set to NULL altogether, allowing individual timing for those issues';
422 COMMENT ON COLUMN "policy"."min_admission_time" IS 'Minimum duration of issue state ''admission''; Minimum time an issue stays open';
423 COMMENT ON COLUMN "policy"."max_admission_time" IS 'Maximum duration of issue state ''admission''; Maximum time an issue stays open without being "accepted"';
424 COMMENT ON COLUMN "policy"."discussion_time" IS 'Duration of issue state ''discussion''; Regular time until an issue is "half_frozen" after being "accepted"';
425 COMMENT ON COLUMN "policy"."verification_time" IS 'Duration of issue state ''verification''; Regular time until an issue is "fully_frozen" (e.g. entering issue state ''voting'') after being "half_frozen"';
426 COMMENT ON COLUMN "policy"."voting_time" IS 'Duration of issue state ''voting''; Time after an issue is "fully_frozen" but not "closed" (duration of issue state ''voting'')';
427 COMMENT ON COLUMN "policy"."issue_quorum_num" IS 'Numerator of potential supporter quorum to be reached by one initiative of an issue to be "accepted" and enter issue state ''discussion''';
428 COMMENT ON COLUMN "policy"."issue_quorum_den" IS 'Denominator of potential supporter quorum to be reached by one initiative of an issue to be "accepted" and enter issue state ''discussion''';
429 COMMENT ON COLUMN "policy"."initiative_quorum_num" IS 'Numerator of satisfied supporter quorum to be reached by an initiative to be "admitted" for voting';
430 COMMENT ON COLUMN "policy"."initiative_quorum_den" IS 'Denominator of satisfied supporter quorum to be reached by an initiative to be "admitted" for voting';
431 COMMENT ON COLUMN "policy"."defeat_strength" IS 'How pairwise defeats are measured for the Schulze method; see type "defeat_strength"; ''tuple'' is the recommended setting';
432 COMMENT ON COLUMN "policy"."tie_breaking" IS 'Tie-breaker for the Schulze method; see type "tie_breaking"; ''variant1'' or ''variant2'' are recommended';
433 COMMENT ON COLUMN "policy"."direct_majority_num" IS 'Numerator of fraction of neccessary direct majority for initiatives to be attainable as winner';
434 COMMENT ON COLUMN "policy"."direct_majority_den" IS 'Denominator of fraction of neccessary direct majority for initaitives to be attainable as winner';
435 COMMENT ON COLUMN "policy"."direct_majority_strict" IS 'If TRUE, then the direct majority must be strictly greater than "direct_majority_num"/"direct_majority_den", otherwise it may also be equal.';
436 COMMENT ON COLUMN "policy"."direct_majority_positive" IS 'Absolute number of "positive_votes" neccessary for an initiative to be attainable as winner';
437 COMMENT ON COLUMN "policy"."direct_majority_non_negative" IS 'Absolute number of sum of "positive_votes" and abstentions neccessary for an initiative to be attainable as winner';
438 COMMENT ON COLUMN "policy"."indirect_majority_num" IS 'Numerator of fraction of neccessary indirect majority (through beat path) for initiatives to be attainable as winner';
439 COMMENT ON COLUMN "policy"."indirect_majority_den" IS 'Denominator of fraction of neccessary indirect majority (through beat path) for initiatives to be attainable as winner';
440 COMMENT ON COLUMN "policy"."indirect_majority_strict" IS 'If TRUE, then the indirect majority must be strictly greater than "indirect_majority_num"/"indirect_majority_den", otherwise it may also be equal.';
441 COMMENT ON COLUMN "policy"."indirect_majority_positive" IS 'Absolute number of votes in favor of the winner neccessary in a beat path to the status quo for an initaitive to be attainable as winner';
442 COMMENT ON COLUMN "policy"."indirect_majority_non_negative" IS 'Absolute number of sum of votes in favor and abstentions in a beat path to the status quo for an initiative to be attainable as winner';
443 COMMENT ON COLUMN "policy"."no_reverse_beat_path" IS 'EXPERIMENTAL FEATURE: Causes initiatives with "reverse_beat_path" flag to not be "eligible", thus disallowing them to be winner. See comment on column "initiative"."reverse_beat_path". This option ensures both that a winning initiative is never tied in a (weak) condorcet paradox with the status quo and a winning initiative always beats the status quo directly with a simple majority.';
444 COMMENT ON COLUMN "policy"."no_multistage_majority" IS 'EXPERIMENTAL FEATURE: Causes initiatives with "multistage_majority" flag to not be "eligible", thus disallowing them to be winner. See comment on column "initiative"."multistage_majority". This disqualifies initiatives which could cause an instable result. An instable result in this meaning is a result such that repeating the ballot with same preferences but with the winner of the first ballot as status quo would lead to a different winner in the second ballot. If there are no direct majorities required for the winner, or if in direct comparison only simple majorities are required and "no_reverse_beat_path" is true, then results are always stable and this flag does not have any effect on the winner (but still affects the "eligible" flag of an "initiative").';
447 CREATE TABLE "unit" (
448 "id" SERIAL4 PRIMARY KEY,
449 "parent_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
450 "active" BOOLEAN NOT NULL DEFAULT TRUE,
451 "name" TEXT NOT NULL,
452 "description" TEXT NOT NULL DEFAULT '',
453 "external_reference" TEXT,
454 "member_count" INT4,
455 "text_search_data" TSVECTOR );
456 CREATE INDEX "unit_root_idx" ON "unit" ("id") WHERE "parent_id" ISNULL;
457 CREATE INDEX "unit_parent_id_idx" ON "unit" ("parent_id");
458 CREATE INDEX "unit_active_idx" ON "unit" ("active");
459 CREATE INDEX "unit_text_search_data_idx" ON "unit" USING gin ("text_search_data");
460 CREATE TRIGGER "update_text_search_data"
461 BEFORE INSERT OR UPDATE ON "unit"
462 FOR EACH ROW EXECUTE PROCEDURE
463 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',
464 "name", "description" );
466 COMMENT ON TABLE "unit" IS 'Organizational units organized as trees; Delegations are not inherited through these trees.';
468 COMMENT ON COLUMN "unit"."parent_id" IS 'Parent id of tree node; Multiple roots allowed';
469 COMMENT ON COLUMN "unit"."active" IS 'TRUE means new issues can be created in areas of this unit';
470 COMMENT ON COLUMN "unit"."external_reference" IS 'Opaque data field to store an external reference';
471 COMMENT ON COLUMN "unit"."member_count" IS 'Count of members as determined by column "voting_right" in table "privilege"';
474 CREATE TABLE "subscription" (
475 PRIMARY KEY ("member_id", "unit_id"),
476 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
477 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
478 CREATE INDEX "subscription_unit_id_idx" ON "subscription" ("unit_id");
480 COMMENT ON TABLE "subscription" IS 'An entry in this table denotes that the member wishes to receive notifications regardless of his/her privileges in the given unit';
483 CREATE TABLE "unit_setting" (
484 PRIMARY KEY ("member_id", "key", "unit_id"),
485 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
486 "key" TEXT NOT NULL,
487 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
488 "value" TEXT NOT NULL );
490 COMMENT ON TABLE "unit_setting" IS 'Place for frontend to store unit specific settings of members as strings';
493 CREATE TABLE "area" (
494 "id" SERIAL4 PRIMARY KEY,
495 "unit_id" INT4 NOT NULL REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
496 "active" BOOLEAN NOT NULL DEFAULT TRUE,
497 "name" TEXT NOT NULL,
498 "description" TEXT NOT NULL DEFAULT '',
499 "external_reference" TEXT,
500 "direct_member_count" INT4,
501 "member_weight" INT4,
502 "text_search_data" TSVECTOR );
503 CREATE INDEX "area_unit_id_idx" ON "area" ("unit_id");
504 CREATE INDEX "area_active_idx" ON "area" ("active");
505 CREATE INDEX "area_text_search_data_idx" ON "area" USING gin ("text_search_data");
506 CREATE TRIGGER "update_text_search_data"
507 BEFORE INSERT OR UPDATE ON "area"
508 FOR EACH ROW EXECUTE PROCEDURE
509 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',
510 "name", "description" );
512 COMMENT ON TABLE "area" IS 'Subject areas';
514 COMMENT ON COLUMN "area"."active" IS 'TRUE means new issues can be created in this area';
515 COMMENT ON COLUMN "area"."external_reference" IS 'Opaque data field to store an external reference';
516 COMMENT ON COLUMN "area"."direct_member_count" IS 'Number of active members of that area (ignoring their weight), as calculated from view "area_member_count"';
517 COMMENT ON COLUMN "area"."member_weight" IS 'Same as "direct_member_count" but respecting delegations';
520 CREATE TABLE "ignored_area" (
521 PRIMARY KEY ("member_id", "area_id"),
522 "member_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
523 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
524 CREATE INDEX "ignored_area_area_id_idx" ON "ignored_area" ("area_id");
526 COMMENT ON TABLE "ignored_area" IS 'An entry in this table denotes that the member does not wish to receive notifications for the given subject area unless he/she declared interested in a particular issue';
529 CREATE TABLE "area_setting" (
530 PRIMARY KEY ("member_id", "key", "area_id"),
531 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
532 "key" TEXT NOT NULL,
533 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
534 "value" TEXT NOT NULL );
536 COMMENT ON TABLE "area_setting" IS 'Place for frontend to store area specific settings of members as strings';
539 CREATE TABLE "allowed_policy" (
540 PRIMARY KEY ("area_id", "policy_id"),
541 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
542 "policy_id" INT4 NOT NULL REFERENCES "policy" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
543 "default_policy" BOOLEAN NOT NULL DEFAULT FALSE );
544 CREATE UNIQUE INDEX "allowed_policy_one_default_per_area_idx" ON "allowed_policy" ("area_id") WHERE "default_policy";
546 COMMENT ON TABLE "allowed_policy" IS 'Selects which policies can be used in each area';
548 COMMENT ON COLUMN "allowed_policy"."default_policy" IS 'One policy per area can be set as default.';
551 CREATE TYPE "snapshot_event" AS ENUM ('periodic', 'end_of_admission', 'half_freeze', 'full_freeze');
553 COMMENT ON TYPE "snapshot_event" IS 'Reason for snapshots: ''periodic'' = due to periodic recalculation, ''end_of_admission'' = saved state at end of admission period, ''half_freeze'' = saved state at end of discussion period, ''full_freeze'' = saved state at end of verification period';
556 CREATE TYPE "issue_state" AS ENUM (
557 'admission', 'discussion', 'verification', 'voting',
558 'canceled_by_admin',
559 'canceled_revoked_before_accepted',
560 'canceled_issue_not_accepted',
561 'canceled_after_revocation_during_discussion',
562 'canceled_after_revocation_during_verification',
563 'canceled_no_initiative_admitted',
564 'finished_without_winner', 'finished_with_winner');
566 COMMENT ON TYPE "issue_state" IS 'State of issues';
569 CREATE TABLE "issue" (
570 "id" SERIAL4 PRIMARY KEY,
571 "area_id" INT4 NOT NULL REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
572 "policy_id" INT4 NOT NULL REFERENCES "policy" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
573 "admin_notice" TEXT,
574 "external_reference" TEXT,
575 "state" "issue_state" NOT NULL DEFAULT 'admission',
576 "phase_finished" TIMESTAMPTZ,
577 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
578 "accepted" TIMESTAMPTZ,
579 "half_frozen" TIMESTAMPTZ,
580 "fully_frozen" TIMESTAMPTZ,
581 "closed" TIMESTAMPTZ,
582 "cleaned" TIMESTAMPTZ,
583 "min_admission_time" INTERVAL,
584 "max_admission_time" INTERVAL,
585 "discussion_time" INTERVAL NOT NULL,
586 "verification_time" INTERVAL NOT NULL,
587 "voting_time" INTERVAL NOT NULL,
588 "snapshot" TIMESTAMPTZ,
589 "latest_snapshot_event" "snapshot_event",
590 "population" INT4,
591 "voter_count" INT4,
592 "status_quo_schulze_rank" INT4,
593 CONSTRAINT "admission_time_not_null_unless_instantly_accepted" CHECK (
594 ("min_admission_time" NOTNULL) = ("max_admission_time" NOTNULL) AND
595 ("min_admission_time" NOTNULL OR ("accepted" NOTNULL AND "accepted" = "created")) ),
596 CONSTRAINT "valid_state" CHECK (
597 (
598 ("accepted" ISNULL AND "half_frozen" ISNULL AND "fully_frozen" ISNULL ) OR
599 ("accepted" NOTNULL AND "half_frozen" ISNULL AND "fully_frozen" ISNULL ) OR
600 ("accepted" NOTNULL AND "half_frozen" NOTNULL AND "fully_frozen" ISNULL ) OR
601 ("accepted" NOTNULL AND "half_frozen" NOTNULL AND "fully_frozen" NOTNULL)
602 ) AND (
603 ("state" = 'admission' AND "closed" ISNULL AND "accepted" ISNULL) OR
604 ("state" = 'discussion' AND "closed" ISNULL AND "accepted" NOTNULL AND "half_frozen" ISNULL) OR
605 ("state" = 'verification' AND "closed" ISNULL AND "half_frozen" NOTNULL AND "fully_frozen" ISNULL) OR
606 ("state" = 'voting' AND "closed" ISNULL AND "fully_frozen" NOTNULL) OR
607 ("state" = 'canceled_by_admin' AND "closed" NOTNULL) OR
608 ("state" = 'canceled_revoked_before_accepted' AND "closed" NOTNULL AND "accepted" ISNULL) OR
609 ("state" = 'canceled_issue_not_accepted' AND "closed" NOTNULL AND "accepted" ISNULL) OR
610 ("state" = 'canceled_after_revocation_during_discussion' AND "closed" NOTNULL AND "half_frozen" ISNULL) OR
611 ("state" = 'canceled_after_revocation_during_verification' AND "closed" NOTNULL AND "fully_frozen" ISNULL) OR
612 ("state" = 'canceled_no_initiative_admitted' AND "closed" NOTNULL AND "fully_frozen" NOTNULL AND "closed" = "fully_frozen") OR
613 ("state" = 'finished_without_winner' AND "closed" NOTNULL AND "fully_frozen" NOTNULL AND "closed" != "fully_frozen") OR
614 ("state" = 'finished_with_winner' AND "closed" NOTNULL AND "fully_frozen" NOTNULL AND "closed" != "fully_frozen")
615 )),
616 CONSTRAINT "phase_finished_only_when_not_closed" CHECK (
617 "phase_finished" ISNULL OR "closed" ISNULL ),
618 CONSTRAINT "state_change_order" CHECK (
619 "created" <= "accepted" AND
620 "accepted" <= "half_frozen" AND
621 "half_frozen" <= "fully_frozen" AND
622 "fully_frozen" <= "closed" ),
623 CONSTRAINT "only_closed_issues_may_be_cleaned" CHECK (
624 "cleaned" ISNULL OR "closed" NOTNULL ),
625 CONSTRAINT "last_snapshot_on_full_freeze"
626 CHECK ("snapshot" = "fully_frozen"), -- NOTE: snapshot can be set, while frozen is NULL yet
627 CONSTRAINT "freeze_requires_snapshot"
628 CHECK ("fully_frozen" ISNULL OR "snapshot" NOTNULL),
629 CONSTRAINT "set_both_or_none_of_snapshot_and_latest_snapshot_event"
630 CHECK (("snapshot" NOTNULL) = ("latest_snapshot_event" NOTNULL)) );
631 CREATE INDEX "issue_area_id_idx" ON "issue" ("area_id");
632 CREATE INDEX "issue_policy_id_idx" ON "issue" ("policy_id");
633 CREATE INDEX "issue_created_idx" ON "issue" ("created");
634 CREATE INDEX "issue_accepted_idx" ON "issue" ("accepted");
635 CREATE INDEX "issue_half_frozen_idx" ON "issue" ("half_frozen");
636 CREATE INDEX "issue_fully_frozen_idx" ON "issue" ("fully_frozen");
637 CREATE INDEX "issue_closed_idx" ON "issue" ("closed");
638 CREATE INDEX "issue_created_idx_open" ON "issue" ("created") WHERE "closed" ISNULL;
639 CREATE INDEX "issue_closed_idx_canceled" ON "issue" ("closed") WHERE "fully_frozen" ISNULL;
641 COMMENT ON TABLE "issue" IS 'Groups of initiatives';
643 COMMENT ON COLUMN "issue"."admin_notice" IS 'Public notice by admin to explain manual interventions, or to announce corrections';
644 COMMENT ON COLUMN "issue"."external_reference" IS 'Opaque data field to store an external reference';
645 COMMENT ON COLUMN "issue"."phase_finished" IS 'Set to a value NOTNULL, if the current phase has finished, but calculations are pending; No changes in this issue shall be made by the frontend or API when this value is set';
646 COMMENT ON COLUMN "issue"."accepted" IS 'Point in time, when one initiative of issue reached the "issue_quorum"';
647 COMMENT ON COLUMN "issue"."half_frozen" IS 'Point in time, when "discussion_time" has elapsed; Frontends must ensure that for half_frozen issues a) initiatives are not revoked, b) no new drafts are created, c) no initiators are added or removed.';
648 COMMENT ON COLUMN "issue"."fully_frozen" IS 'Point in time, when "verification_time" has elapsed and voting has started; Frontends must ensure that for fully_frozen issues additionally to the restrictions for half_frozen issues a) initiatives are not created, b) no interest is created or removed, c) no supporters are added or removed, d) no opinions are created, changed or deleted.';
649 COMMENT ON COLUMN "issue"."closed" IS 'Point in time, when "max_admission_time" or "voting_time" have elapsed, and issue is no longer active; Frontends must ensure that for closed issues additionally to the restrictions for half_frozen and fully_frozen issues a) no voter is added or removed to/from the direct_voter table, b) no votes are added, modified or removed.';
650 COMMENT ON COLUMN "issue"."cleaned" IS 'Point in time, when discussion data and votes had been deleted';
651 COMMENT ON COLUMN "issue"."min_admission_time" IS 'Copied from "policy" table at creation of issue';
652 COMMENT ON COLUMN "issue"."max_admission_time" IS 'Copied from "policy" table at creation of issue';
653 COMMENT ON COLUMN "issue"."discussion_time" IS 'Copied from "policy" table at creation of issue';
654 COMMENT ON COLUMN "issue"."verification_time" IS 'Copied from "policy" table at creation of issue';
655 COMMENT ON COLUMN "issue"."voting_time" IS 'Copied from "policy" table at creation of issue';
656 COMMENT ON COLUMN "issue"."snapshot" IS 'Point in time, when snapshot tables have been updated and "population" and *_count values were precalculated';
657 COMMENT ON COLUMN "issue"."latest_snapshot_event" IS 'Event type of latest snapshot for issue; Can be used to select the latest snapshot data in the snapshot tables';
658 COMMENT ON COLUMN "issue"."population" IS 'Sum of "weight" column in table "direct_population_snapshot"';
659 COMMENT ON COLUMN "issue"."voter_count" IS 'Total number of direct and delegating voters; This value is related to the final voting, while "population" is related to snapshots before the final voting';
660 COMMENT ON COLUMN "issue"."status_quo_schulze_rank" IS 'Schulze rank of status quo, as calculated by "calculate_ranks" function';
663 CREATE TABLE "issue_order_in_admission_state" (
664 "id" INT8 PRIMARY KEY, --REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
665 "order_in_area" INT4,
666 "order_in_unit" INT4 );
668 COMMENT ON TABLE "issue_order_in_admission_state" IS 'Ordering information for issues that are not stored in the "issue" table to avoid locking of multiple issues at once; Filled/updated by "lf_update_issue_order"';
670 COMMENT ON COLUMN "issue_order_in_admission_state"."id" IS 'References "issue" ("id") but has no referential integrity trigger associated, due to performance/locking issues';
671 COMMENT ON COLUMN "issue_order_in_admission_state"."order_in_area" IS 'Order of issues in admission state within a single area; NULL values sort last';
672 COMMENT ON COLUMN "issue_order_in_admission_state"."order_in_unit" IS 'Order of issues in admission state within all areas of a unit; NULL values sort last';
675 CREATE TABLE "issue_setting" (
676 PRIMARY KEY ("member_id", "key", "issue_id"),
677 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
678 "key" TEXT NOT NULL,
679 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
680 "value" TEXT NOT NULL );
682 COMMENT ON TABLE "issue_setting" IS 'Place for frontend to store issue specific settings of members as strings';
685 CREATE TABLE "initiative" (
686 UNIQUE ("issue_id", "id"), -- index needed for foreign-key on table "vote"
687 "issue_id" INT4 NOT NULL REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
688 "id" SERIAL4 PRIMARY KEY,
689 "name" TEXT NOT NULL,
690 "polling" BOOLEAN NOT NULL DEFAULT FALSE,
691 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
692 "revoked" TIMESTAMPTZ,
693 "revoked_by_member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
694 "suggested_initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
695 "external_reference" TEXT,
696 "admitted" BOOLEAN,
697 "supporter_count" INT4,
698 "informed_supporter_count" INT4,
699 "satisfied_supporter_count" INT4,
700 "satisfied_informed_supporter_count" INT4,
701 "harmonic_weight" NUMERIC(12, 3),
702 "final_suggestion_order_calculated" BOOLEAN NOT NULL DEFAULT FALSE,
703 "first_preference_votes" INT4,
704 "positive_votes" INT4,
705 "negative_votes" INT4,
706 "direct_majority" BOOLEAN,
707 "indirect_majority" BOOLEAN,
708 "schulze_rank" INT4,
709 "better_than_status_quo" BOOLEAN,
710 "worse_than_status_quo" BOOLEAN,
711 "reverse_beat_path" BOOLEAN,
712 "multistage_majority" BOOLEAN,
713 "eligible" BOOLEAN,
714 "winner" BOOLEAN,
715 "rank" INT4,
716 "text_search_data" TSVECTOR,
717 CONSTRAINT "all_or_none_of_revoked_and_revoked_by_member_id_must_be_null"
718 CHECK (("revoked" NOTNULL) = ("revoked_by_member_id" NOTNULL)),
719 CONSTRAINT "non_revoked_initiatives_cant_suggest_other"
720 CHECK ("revoked" NOTNULL OR "suggested_initiative_id" ISNULL),
721 CONSTRAINT "revoked_initiatives_cant_be_admitted"
722 CHECK ("revoked" ISNULL OR "admitted" ISNULL),
723 CONSTRAINT "non_admitted_initiatives_cant_contain_voting_results" CHECK (
724 ( "admitted" NOTNULL AND "admitted" = TRUE ) OR
725 ( "first_preference_votes" ISNULL AND
726 "positive_votes" ISNULL AND "negative_votes" ISNULL AND
727 "direct_majority" ISNULL AND "indirect_majority" ISNULL AND
728 "schulze_rank" ISNULL AND
729 "better_than_status_quo" ISNULL AND "worse_than_status_quo" ISNULL AND
730 "reverse_beat_path" ISNULL AND "multistage_majority" ISNULL AND
731 "eligible" ISNULL AND "winner" ISNULL AND "rank" ISNULL ) ),
732 CONSTRAINT "better_excludes_worse" CHECK (NOT ("better_than_status_quo" AND "worse_than_status_quo")),
733 CONSTRAINT "minimum_requirement_to_be_eligible" CHECK (
734 "eligible" = FALSE OR
735 ("direct_majority" AND "indirect_majority" AND "better_than_status_quo") ),
736 CONSTRAINT "winner_must_be_eligible" CHECK ("winner"=FALSE OR "eligible"=TRUE),
737 CONSTRAINT "winner_must_have_first_rank" CHECK ("winner"=FALSE OR "rank"=1),
738 CONSTRAINT "eligible_at_first_rank_is_winner" CHECK ("eligible"=FALSE OR "rank"!=1 OR "winner"=TRUE),
739 CONSTRAINT "unique_rank_per_issue" UNIQUE ("issue_id", "rank") );
740 CREATE INDEX "initiative_created_idx" ON "initiative" ("created");
741 CREATE INDEX "initiative_revoked_idx" ON "initiative" ("revoked");
742 CREATE INDEX "initiative_text_search_data_idx" ON "initiative" USING gin ("text_search_data");
743 CREATE TRIGGER "update_text_search_data"
744 BEFORE INSERT OR UPDATE ON "initiative"
745 FOR EACH ROW EXECUTE PROCEDURE
746 tsvector_update_trigger('text_search_data', 'pg_catalog.simple', "name");
748 COMMENT ON TABLE "initiative" IS 'Group of members publishing drafts for resolutions to be passed; Frontends must ensure that initiatives of half_frozen issues are not revoked, and that initiatives of fully_frozen or closed issues are neither revoked nor created.';
750 COMMENT ON COLUMN "initiative"."polling" IS 'Initiative does not need to pass the initiative quorum (see "policy"."polling")';
751 COMMENT ON COLUMN "initiative"."revoked" IS 'Point in time, when one initiator decided to revoke the initiative';
752 COMMENT ON COLUMN "initiative"."revoked_by_member_id" IS 'Member, who decided to revoke the initiative';
753 COMMENT ON COLUMN "initiative"."external_reference" IS 'Opaque data field to store an external reference';
754 COMMENT ON COLUMN "initiative"."admitted" IS 'TRUE, if initiative reaches the "initiative_quorum" when freezing the issue';
755 COMMENT ON COLUMN "initiative"."supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';
756 COMMENT ON COLUMN "initiative"."informed_supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';
757 COMMENT ON COLUMN "initiative"."satisfied_supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';
758 COMMENT ON COLUMN "initiative"."satisfied_informed_supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';
759 COMMENT ON COLUMN "initiative"."harmonic_weight" IS 'Indicates the relevancy of the initiative, calculated from the potential supporters weighted with the harmonic series to avoid a large number of clones affecting other initiative''s sorting positions too much; shall be used as secondary sorting key after "admitted" as primary sorting key';
760 COMMENT ON COLUMN "initiative"."final_suggestion_order_calculated" IS 'Set to TRUE, when "proportional_order" of suggestions has been calculated the last time';
761 COMMENT ON COLUMN "initiative"."first_preference_votes" IS 'Number of direct and delegating voters who ranked this initiative as their first choice';
762 COMMENT ON COLUMN "initiative"."positive_votes" IS 'Number of direct and delegating voters who ranked this initiative better than the status quo';
763 COMMENT ON COLUMN "initiative"."negative_votes" IS 'Number of direct and delegating voters who ranked this initiative worse than the status quo';
764 COMMENT ON COLUMN "initiative"."direct_majority" IS 'TRUE, if "positive_votes"/("positive_votes"+"negative_votes") is strictly greater or greater-equal than "direct_majority_num"/"direct_majority_den", and "positive_votes" is greater-equal than "direct_majority_positive", and ("positive_votes"+abstentions) is greater-equal than "direct_majority_non_negative"';
765 COMMENT ON COLUMN "initiative"."indirect_majority" IS 'Same as "direct_majority", but also considering indirect beat paths';
766 COMMENT ON COLUMN "initiative"."schulze_rank" IS 'Schulze-Ranking';
767 COMMENT ON COLUMN "initiative"."better_than_status_quo" IS 'TRUE, if initiative has a schulze-ranking better than the status quo';
768 COMMENT ON COLUMN "initiative"."worse_than_status_quo" IS 'TRUE, if initiative has a schulze-ranking worse than the status quo (DEPRECATED, since schulze-ranking is unique per issue; use "better_than_status_quo"=FALSE)';
769 COMMENT ON COLUMN "initiative"."reverse_beat_path" IS 'TRUE, if there is a beat path (may include ties) from this initiative to the status quo; set to NULL if "policy"."defeat_strength" is set to ''simple''';
770 COMMENT ON COLUMN "initiative"."multistage_majority" IS 'TRUE, if either (a) this initiative has no better rank than the status quo, or (b) there exists a better ranked initiative X, which directly beats this initiative, and either more voters prefer X to this initiative than voters preferring X to the status quo or less voters prefer this initiative to X than voters preferring the status quo to X';
771 COMMENT ON COLUMN "initiative"."eligible" IS 'Initiative has a "direct_majority" and an "indirect_majority", is "better_than_status_quo" and depending on selected policy the initiative has no "reverse_beat_path" or "multistage_majority"';
772 COMMENT ON COLUMN "initiative"."winner" IS 'Winner is the "eligible" initiative with best "schulze_rank"';
773 COMMENT ON COLUMN "initiative"."rank" IS 'Unique ranking for all "admitted" initiatives per issue; lower rank is better; a winner always has rank 1, but rank 1 does not imply that an initiative is winner; initiatives with "direct_majority" AND "indirect_majority" always have a better (lower) rank than other initiatives';
776 CREATE TABLE "battle" (
777 "issue_id" INT4 NOT NULL,
778 "winning_initiative_id" INT4,
779 FOREIGN KEY ("issue_id", "winning_initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
780 "losing_initiative_id" INT4,
781 FOREIGN KEY ("issue_id", "losing_initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
782 "count" INT4 NOT NULL,
783 CONSTRAINT "initiative_ids_not_equal" CHECK (
784 "winning_initiative_id" != "losing_initiative_id" OR
785 ( ("winning_initiative_id" NOTNULL AND "losing_initiative_id" ISNULL) OR
786 ("winning_initiative_id" ISNULL AND "losing_initiative_id" NOTNULL) ) ) );
787 CREATE UNIQUE INDEX "battle_winning_losing_idx" ON "battle" ("issue_id", "winning_initiative_id", "losing_initiative_id");
788 CREATE UNIQUE INDEX "battle_winning_null_idx" ON "battle" ("issue_id", "winning_initiative_id") WHERE "losing_initiative_id" ISNULL;
789 CREATE UNIQUE INDEX "battle_null_losing_idx" ON "battle" ("issue_id", "losing_initiative_id") WHERE "winning_initiative_id" ISNULL;
791 COMMENT ON TABLE "battle" IS 'Number of members preferring one initiative to another; Filled by "battle_view" when closing an issue; NULL as initiative_id denotes virtual "status-quo" initiative';
794 CREATE TABLE "ignored_initiative" (
795 PRIMARY KEY ("member_id", "initiative_id"),
796 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
797 "initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
798 CREATE INDEX "ignored_initiative_initiative_id_idx" ON "ignored_initiative" ("initiative_id");
800 COMMENT ON TABLE "ignored_initiative" IS 'An entry in this table denotes that the member does not wish to receive notifications for the given initiative;
803 CREATE TABLE "initiative_setting" (
804 PRIMARY KEY ("member_id", "key", "initiative_id"),
805 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
806 "key" TEXT NOT NULL,
807 "initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
808 "value" TEXT NOT NULL );
810 COMMENT ON TABLE "initiative_setting" IS 'Place for frontend to store initiative specific settings of members as strings';
813 CREATE TABLE "draft" (
814 UNIQUE ("initiative_id", "id"), -- index needed for foreign-key on table "supporter"
815 "initiative_id" INT4 NOT NULL REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
816 "id" SERIAL8 PRIMARY KEY,
817 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
818 "author_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
819 "formatting_engine" TEXT,
820 "content" TEXT NOT NULL,
821 "external_reference" TEXT,
822 "text_search_data" TSVECTOR );
823 CREATE INDEX "draft_created_idx" ON "draft" ("created");
824 CREATE INDEX "draft_author_id_created_idx" ON "draft" ("author_id", "created");
825 CREATE INDEX "draft_text_search_data_idx" ON "draft" USING gin ("text_search_data");
826 CREATE TRIGGER "update_text_search_data"
827 BEFORE INSERT OR UPDATE ON "draft"
828 FOR EACH ROW EXECUTE PROCEDURE
829 tsvector_update_trigger('text_search_data', 'pg_catalog.simple', "content");
831 COMMENT ON TABLE "draft" IS 'Drafts of initiatives to solve issues; Frontends must ensure that new drafts for initiatives of half_frozen, fully_frozen or closed issues can''t be created.';
833 COMMENT ON COLUMN "draft"."formatting_engine" IS 'Allows different formatting engines (i.e. wiki formats) to be used';
834 COMMENT ON COLUMN "draft"."content" IS 'Text of the draft in a format depending on the field "formatting_engine"';
835 COMMENT ON COLUMN "draft"."external_reference" IS 'Opaque data field to store an external reference';
838 CREATE TABLE "rendered_draft" (
839 PRIMARY KEY ("draft_id", "format"),
840 "draft_id" INT8 REFERENCES "draft" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
841 "format" TEXT,
842 "content" TEXT NOT NULL );
844 COMMENT ON TABLE "rendered_draft" IS 'This table may be used by frontends to cache "rendered" drafts (e.g. HTML output generated from wiki text)';
847 CREATE TABLE "suggestion" (
848 UNIQUE ("initiative_id", "id"), -- index needed for foreign-key on table "opinion"
849 "initiative_id" INT4 NOT NULL REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
850 "id" SERIAL8 PRIMARY KEY,
851 "draft_id" INT8 NOT NULL,
852 FOREIGN KEY ("initiative_id", "draft_id") REFERENCES "draft" ("initiative_id", "id") ON DELETE NO ACTION ON UPDATE CASCADE,
853 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
854 "author_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
855 "name" TEXT NOT NULL,
856 "formatting_engine" TEXT,
857 "content" TEXT NOT NULL DEFAULT '',
858 "external_reference" TEXT,
859 "text_search_data" TSVECTOR,
860 "minus2_unfulfilled_count" INT4,
861 "minus2_fulfilled_count" INT4,
862 "minus1_unfulfilled_count" INT4,
863 "minus1_fulfilled_count" INT4,
864 "plus1_unfulfilled_count" INT4,
865 "plus1_fulfilled_count" INT4,
866 "plus2_unfulfilled_count" INT4,
867 "plus2_fulfilled_count" INT4,
868 "proportional_order" INT4 );
869 CREATE INDEX "suggestion_created_idx" ON "suggestion" ("created");
870 CREATE INDEX "suggestion_author_id_created_idx" ON "suggestion" ("author_id", "created");
871 CREATE INDEX "suggestion_text_search_data_idx" ON "suggestion" USING gin ("text_search_data");
872 CREATE TRIGGER "update_text_search_data"
873 BEFORE INSERT OR UPDATE ON "suggestion"
874 FOR EACH ROW EXECUTE PROCEDURE
875 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',
876 "name", "content");
878 COMMENT ON TABLE "suggestion" IS 'Suggestions to initiators, to change the current draft; must not be deleted explicitly, as they vanish automatically if the last opinion is deleted';
880 COMMENT ON COLUMN "suggestion"."draft_id" IS 'Draft, which the author has seen when composing the suggestion; should always be set by a frontend, but defaults to current draft of the initiative (implemented by trigger "default_for_draft_id")';
881 COMMENT ON COLUMN "suggestion"."external_reference" IS 'Opaque data field to store an external reference';
882 COMMENT ON COLUMN "suggestion"."minus2_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
883 COMMENT ON COLUMN "suggestion"."minus2_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
884 COMMENT ON COLUMN "suggestion"."minus1_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
885 COMMENT ON COLUMN "suggestion"."minus1_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
886 COMMENT ON COLUMN "suggestion"."plus1_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
887 COMMENT ON COLUMN "suggestion"."plus1_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
888 COMMENT ON COLUMN "suggestion"."plus2_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
889 COMMENT ON COLUMN "suggestion"."plus2_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
890 COMMENT ON COLUMN "suggestion"."proportional_order" IS 'To be used for sorting suggestions within an initiative; NULL values sort last; updated by "lf_update_suggestion_order"';
893 CREATE TABLE "rendered_suggestion" (
894 PRIMARY KEY ("suggestion_id", "format"),
895 "suggestion_id" INT8 REFERENCES "suggestion" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
896 "format" TEXT,
897 "content" TEXT NOT NULL );
899 COMMENT ON TABLE "rendered_suggestion" IS 'This table may be used by frontends to cache "rendered" drafts (e.g. HTML output generated from wiki text)';
902 CREATE TABLE "suggestion_setting" (
903 PRIMARY KEY ("member_id", "key", "suggestion_id"),
904 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
905 "key" TEXT NOT NULL,
906 "suggestion_id" INT8 REFERENCES "suggestion" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
907 "value" TEXT NOT NULL );
909 COMMENT ON TABLE "suggestion_setting" IS 'Place for frontend to store suggestion specific settings of members as strings';
912 CREATE TABLE "privilege" (
913 PRIMARY KEY ("unit_id", "member_id"),
914 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
915 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
916 "admin_manager" BOOLEAN NOT NULL DEFAULT FALSE,
917 "unit_manager" BOOLEAN NOT NULL DEFAULT FALSE,
918 "area_manager" BOOLEAN NOT NULL DEFAULT FALSE,
919 "member_manager" BOOLEAN NOT NULL DEFAULT FALSE,
920 "initiative_right" BOOLEAN NOT NULL DEFAULT TRUE,
921 "voting_right" BOOLEAN NOT NULL DEFAULT TRUE,
922 "polling_right" BOOLEAN NOT NULL DEFAULT FALSE );
924 COMMENT ON TABLE "privilege" IS 'Members rights related to each unit';
926 COMMENT ON COLUMN "privilege"."admin_manager" IS 'Grant/revoke any privileges to/from other members';
927 COMMENT ON COLUMN "privilege"."unit_manager" IS 'Create and disable sub units';
928 COMMENT ON COLUMN "privilege"."area_manager" IS 'Create and disable areas and set area parameters';
929 COMMENT ON COLUMN "privilege"."member_manager" IS 'Adding/removing members from the unit, granting or revoking "initiative_right" and "voting_right"';
930 COMMENT ON COLUMN "privilege"."initiative_right" IS 'Right to create an initiative';
931 COMMENT ON COLUMN "privilege"."voting_right" IS 'Right to support initiatives, create and rate suggestions, and to vote';
932 COMMENT ON COLUMN "privilege"."polling_right" IS 'Right to create issues with policies having the "policy"."polling" flag set, and to add initiatives having the "initiative"."polling" flag set to those issues';
935 CREATE TABLE "membership" (
936 PRIMARY KEY ("area_id", "member_id"),
937 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
938 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
939 CREATE INDEX "membership_member_id_idx" ON "membership" ("member_id");
941 COMMENT ON TABLE "membership" IS 'Interest of members in topic areas';
944 CREATE TABLE "interest" (
945 PRIMARY KEY ("issue_id", "member_id"),
946 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
947 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
948 CREATE INDEX "interest_member_id_idx" ON "interest" ("member_id");
950 COMMENT ON TABLE "interest" IS 'Interest of members in a particular issue; Frontends must ensure that interest for fully_frozen or closed issues is not added or removed.';
953 CREATE TABLE "initiator" (
954 PRIMARY KEY ("initiative_id", "member_id"),
955 "initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
956 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
957 "accepted" BOOLEAN );
958 CREATE INDEX "initiator_member_id_idx" ON "initiator" ("member_id");
960 COMMENT ON TABLE "initiator" IS 'Members who are allowed to post new drafts; Frontends must ensure that initiators are not added or removed from half_frozen, fully_frozen or closed initiatives.';
962 COMMENT ON COLUMN "initiator"."accepted" IS 'If "accepted" is NULL, then the member was invited to be a co-initiator, but has not answered yet. If it is TRUE, the member has accepted the invitation, if it is FALSE, the member has rejected the invitation.';
965 CREATE TABLE "supporter" (
966 "issue_id" INT4 NOT NULL,
967 PRIMARY KEY ("initiative_id", "member_id"),
968 "initiative_id" INT4,
969 "member_id" INT4,
970 "draft_id" INT8 NOT NULL,
971 FOREIGN KEY ("issue_id", "member_id") REFERENCES "interest" ("issue_id", "member_id") ON DELETE CASCADE ON UPDATE CASCADE,
972 FOREIGN KEY ("initiative_id", "draft_id") REFERENCES "draft" ("initiative_id", "id") ON DELETE NO ACTION ON UPDATE CASCADE );
973 CREATE INDEX "supporter_member_id_idx" ON "supporter" ("member_id");
975 COMMENT ON TABLE "supporter" IS 'Members who support an initiative (conditionally); Frontends must ensure that supporters are not added or removed from fully_frozen or closed initiatives.';
977 COMMENT ON COLUMN "supporter"."issue_id" IS 'WARNING: No index: For selections use column "initiative_id" and join via table "initiative" where neccessary';
978 COMMENT ON COLUMN "supporter"."draft_id" IS 'Latest seen draft; should always be set by a frontend, but defaults to current draft of the initiative (implemented by trigger "default_for_draft_id")';
981 CREATE TABLE "opinion" (
982 "initiative_id" INT4 NOT NULL,
983 PRIMARY KEY ("suggestion_id", "member_id"),
984 "suggestion_id" INT8,
985 "member_id" INT4,
986 "degree" INT2 NOT NULL CHECK ("degree" >= -2 AND "degree" <= 2 AND "degree" != 0),
987 "fulfilled" BOOLEAN NOT NULL DEFAULT FALSE,
988 FOREIGN KEY ("initiative_id", "suggestion_id") REFERENCES "suggestion" ("initiative_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
989 FOREIGN KEY ("initiative_id", "member_id") REFERENCES "supporter" ("initiative_id", "member_id") ON DELETE CASCADE ON UPDATE CASCADE );
990 CREATE INDEX "opinion_member_id_initiative_id_idx" ON "opinion" ("member_id", "initiative_id");
992 COMMENT ON TABLE "opinion" IS 'Opinion on suggestions (criticism related to initiatives); Frontends must ensure that opinions are not created modified or deleted when related to fully_frozen or closed issues.';
994 COMMENT ON COLUMN "opinion"."degree" IS '2 = fulfillment required for support; 1 = fulfillment desired; -1 = fulfillment unwanted; -2 = fulfillment cancels support';
997 CREATE TYPE "delegation_scope" AS ENUM ('unit', 'area', 'issue');
999 COMMENT ON TYPE "delegation_scope" IS 'Scope for delegations: ''unit'', ''area'', or ''issue'' (order is relevant)';
1002 CREATE TABLE "delegation" (
1003 "id" SERIAL8 PRIMARY KEY,
1004 "truster_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1005 "trustee_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1006 "scope" "delegation_scope" NOT NULL,
1007 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1008 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1009 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1010 CONSTRAINT "cant_delegate_to_yourself" CHECK ("truster_id" != "trustee_id"),
1011 CONSTRAINT "no_unit_delegation_to_null"
1012 CHECK ("trustee_id" NOTNULL OR "scope" != 'unit'),
1013 CONSTRAINT "area_id_and_issue_id_set_according_to_scope" CHECK (
1014 ("scope" = 'unit' AND "unit_id" NOTNULL AND "area_id" ISNULL AND "issue_id" ISNULL ) OR
1015 ("scope" = 'area' AND "unit_id" ISNULL AND "area_id" NOTNULL AND "issue_id" ISNULL ) OR
1016 ("scope" = 'issue' AND "unit_id" ISNULL AND "area_id" ISNULL AND "issue_id" NOTNULL) ),
1017 UNIQUE ("unit_id", "truster_id"),
1018 UNIQUE ("area_id", "truster_id"),
1019 UNIQUE ("issue_id", "truster_id") );
1020 CREATE INDEX "delegation_truster_id_idx" ON "delegation" ("truster_id");
1021 CREATE INDEX "delegation_trustee_id_idx" ON "delegation" ("trustee_id");
1023 COMMENT ON TABLE "delegation" IS 'Delegation of vote-weight to other members';
1025 COMMENT ON COLUMN "delegation"."unit_id" IS 'Reference to unit, if delegation is unit-wide, otherwise NULL';
1026 COMMENT ON COLUMN "delegation"."area_id" IS 'Reference to area, if delegation is area-wide, otherwise NULL';
1027 COMMENT ON COLUMN "delegation"."issue_id" IS 'Reference to issue, if delegation is issue-wide, otherwise NULL';
1030 CREATE TABLE "direct_population_snapshot" (
1031 PRIMARY KEY ("issue_id", "event", "member_id"),
1032 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1033 "event" "snapshot_event",
1034 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1035 "weight" INT4 );
1036 CREATE INDEX "direct_population_snapshot_member_id_idx" ON "direct_population_snapshot" ("member_id");
1038 COMMENT ON TABLE "direct_population_snapshot" IS 'Snapshot of active members having either a "membership" in the "area" or an "interest" in the "issue"; for corrections refer to column "issue_notice" of "issue" table';
1040 COMMENT ON COLUMN "direct_population_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1041 COMMENT ON COLUMN "direct_population_snapshot"."weight" IS 'Weight of member (1 or higher) according to "delegating_population_snapshot"';
1044 CREATE TABLE "delegating_population_snapshot" (
1045 PRIMARY KEY ("issue_id", "event", "member_id"),
1046 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1047 "event" "snapshot_event",
1048 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1049 "weight" INT4,
1050 "scope" "delegation_scope" NOT NULL,
1051 "delegate_member_ids" INT4[] NOT NULL );
1052 CREATE INDEX "delegating_population_snapshot_member_id_idx" ON "delegating_population_snapshot" ("member_id");
1054 COMMENT ON TABLE "direct_population_snapshot" IS 'Delegations increasing the weight of entries in the "direct_population_snapshot" table; for corrections refer to column "issue_notice" of "issue" table';
1056 COMMENT ON COLUMN "delegating_population_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1057 COMMENT ON COLUMN "delegating_population_snapshot"."member_id" IS 'Delegating member';
1058 COMMENT ON COLUMN "delegating_population_snapshot"."weight" IS 'Intermediate weight';
1059 COMMENT ON COLUMN "delegating_population_snapshot"."delegate_member_ids" IS 'Chain of members who act as delegates; last entry referes to "member_id" column of table "direct_population_snapshot"';
1062 CREATE TABLE "direct_interest_snapshot" (
1063 PRIMARY KEY ("issue_id", "event", "member_id"),
1064 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1065 "event" "snapshot_event",
1066 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1067 "weight" INT4 );
1068 CREATE INDEX "direct_interest_snapshot_member_id_idx" ON "direct_interest_snapshot" ("member_id");
1070 COMMENT ON TABLE "direct_interest_snapshot" IS 'Snapshot of active members having an "interest" in the "issue"; for corrections refer to column "issue_notice" of "issue" table';
1072 COMMENT ON COLUMN "direct_interest_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1073 COMMENT ON COLUMN "direct_interest_snapshot"."weight" IS 'Weight of member (1 or higher) according to "delegating_interest_snapshot"';
1076 CREATE TABLE "delegating_interest_snapshot" (
1077 PRIMARY KEY ("issue_id", "event", "member_id"),
1078 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1079 "event" "snapshot_event",
1080 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1081 "weight" INT4,
1082 "scope" "delegation_scope" NOT NULL,
1083 "delegate_member_ids" INT4[] NOT NULL );
1084 CREATE INDEX "delegating_interest_snapshot_member_id_idx" ON "delegating_interest_snapshot" ("member_id");
1086 COMMENT ON TABLE "delegating_interest_snapshot" IS 'Delegations increasing the weight of entries in the "direct_interest_snapshot" table; for corrections refer to column "issue_notice" of "issue" table';
1088 COMMENT ON COLUMN "delegating_interest_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1089 COMMENT ON COLUMN "delegating_interest_snapshot"."member_id" IS 'Delegating member';
1090 COMMENT ON COLUMN "delegating_interest_snapshot"."weight" IS 'Intermediate weight';
1091 COMMENT ON COLUMN "delegating_interest_snapshot"."delegate_member_ids" IS 'Chain of members who act as delegates; last entry referes to "member_id" column of table "direct_interest_snapshot"';
1094 CREATE TABLE "direct_supporter_snapshot" (
1095 "issue_id" INT4 NOT NULL,
1096 PRIMARY KEY ("initiative_id", "event", "member_id"),
1097 "initiative_id" INT4,
1098 "event" "snapshot_event",
1099 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1100 "draft_id" INT8 NOT NULL,
1101 "informed" BOOLEAN NOT NULL,
1102 "satisfied" BOOLEAN NOT NULL,
1103 FOREIGN KEY ("issue_id", "initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
1104 FOREIGN KEY ("initiative_id", "draft_id") REFERENCES "draft" ("initiative_id", "id") ON DELETE NO ACTION ON UPDATE CASCADE,
1105 FOREIGN KEY ("issue_id", "event", "member_id") REFERENCES "direct_interest_snapshot" ("issue_id", "event", "member_id") ON DELETE CASCADE ON UPDATE CASCADE );
1106 CREATE INDEX "direct_supporter_snapshot_member_id_idx" ON "direct_supporter_snapshot" ("member_id");
1108 COMMENT ON TABLE "direct_supporter_snapshot" IS 'Snapshot of supporters of initiatives (weight is stored in "direct_interest_snapshot"); for corrections refer to column "issue_notice" of "issue" table';
1110 COMMENT ON COLUMN "direct_supporter_snapshot"."issue_id" IS 'WARNING: No index: For selections use column "initiative_id" and join via table "initiative" where neccessary';
1111 COMMENT ON COLUMN "direct_supporter_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1112 COMMENT ON COLUMN "direct_supporter_snapshot"."informed" IS 'Supporter has seen the latest draft of the initiative';
1113 COMMENT ON COLUMN "direct_supporter_snapshot"."satisfied" IS 'Supporter has no "critical_opinion"s';
1116 CREATE TABLE "non_voter" (
1117 PRIMARY KEY ("issue_id", "member_id"),
1118 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1119 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
1120 CREATE INDEX "non_voter_member_id_idx" ON "non_voter" ("member_id");
1122 COMMENT ON TABLE "non_voter" IS 'Members who decided to not vote directly on an issue';
1125 CREATE TABLE "direct_voter" (
1126 PRIMARY KEY ("issue_id", "member_id"),
1127 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1128 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1129 "weight" INT4,
1130 "comment_changed" TIMESTAMPTZ,
1131 "formatting_engine" TEXT,
1132 "comment" TEXT,
1133 "text_search_data" TSVECTOR );
1134 CREATE INDEX "direct_voter_member_id_idx" ON "direct_voter" ("member_id");
1135 CREATE INDEX "direct_voter_text_search_data_idx" ON "direct_voter" USING gin ("text_search_data");
1136 CREATE TRIGGER "update_text_search_data"
1137 BEFORE INSERT OR UPDATE ON "direct_voter"
1138 FOR EACH ROW EXECUTE PROCEDURE
1139 tsvector_update_trigger('text_search_data', 'pg_catalog.simple', "comment");
1141 COMMENT ON TABLE "direct_voter" IS 'Members having directly voted for/against initiatives of an issue; frontends must ensure that no voters are added or removed to/from this table when the issue has been closed; for corrections refer to column "issue_notice" of "issue" table';
1143 COMMENT ON COLUMN "direct_voter"."weight" IS 'Weight of member (1 or higher) according to "delegating_voter" table';
1144 COMMENT ON COLUMN "direct_voter"."comment_changed" IS 'Shall be set on comment change, to indicate a comment being modified after voting has been finished; Automatically set to NULL after voting phase; Automatically set to NULL by trigger, if "comment" is set to NULL';
1145 COMMENT ON COLUMN "direct_voter"."formatting_engine" IS 'Allows different formatting engines (i.e. wiki formats) to be used for "direct_voter"."comment"; Automatically set to NULL by trigger, if "comment" is set to NULL';
1146 COMMENT ON COLUMN "direct_voter"."comment" IS 'Is to be set or updated by the frontend, if comment was inserted or updated AFTER the issue has been closed. Otherwise it shall be set to NULL.';
1149 CREATE TABLE "rendered_voter_comment" (
1150 PRIMARY KEY ("issue_id", "member_id", "format"),
1151 FOREIGN KEY ("issue_id", "member_id")
1152 REFERENCES "direct_voter" ("issue_id", "member_id")
1153 ON DELETE CASCADE ON UPDATE CASCADE,
1154 "issue_id" INT4,
1155 "member_id" INT4,
1156 "format" TEXT,
1157 "content" TEXT NOT NULL );
1159 COMMENT ON TABLE "rendered_voter_comment" IS 'This table may be used by frontends to cache "rendered" voter comments (e.g. HTML output generated from wiki text)';
1162 CREATE TABLE "delegating_voter" (
1163 PRIMARY KEY ("issue_id", "member_id"),
1164 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1165 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1166 "weight" INT4,
1167 "scope" "delegation_scope" NOT NULL,
1168 "delegate_member_ids" INT4[] NOT NULL );
1169 CREATE INDEX "delegating_voter_member_id_idx" ON "delegating_voter" ("member_id");
1171 COMMENT ON TABLE "delegating_voter" IS 'Delegations increasing the weight of entries in the "direct_voter" table; for corrections refer to column "issue_notice" of "issue" table';
1173 COMMENT ON COLUMN "delegating_voter"."member_id" IS 'Delegating member';
1174 COMMENT ON COLUMN "delegating_voter"."weight" IS 'Intermediate weight';
1175 COMMENT ON COLUMN "delegating_voter"."delegate_member_ids" IS 'Chain of members who act as delegates; last entry referes to "member_id" column of table "direct_voter"';
1178 CREATE TABLE "vote" (
1179 "issue_id" INT4 NOT NULL,
1180 PRIMARY KEY ("initiative_id", "member_id"),
1181 "initiative_id" INT4,
1182 "member_id" INT4,
1183 "grade" INT4 NOT NULL,
1184 "first_preference" BOOLEAN,
1185 FOREIGN KEY ("issue_id", "initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
1186 FOREIGN KEY ("issue_id", "member_id") REFERENCES "direct_voter" ("issue_id", "member_id") ON DELETE CASCADE ON UPDATE CASCADE,
1187 CONSTRAINT "first_preference_flag_only_set_on_positive_grades"
1188 CHECK ("grade" > 0 OR "first_preference" ISNULL) );
1189 CREATE INDEX "vote_member_id_idx" ON "vote" ("member_id");
1191 COMMENT ON TABLE "vote" IS 'Manual and delegated votes without abstentions; frontends must ensure that no votes are added modified or removed when the issue has been closed; for corrections refer to column "issue_notice" of "issue" table';
1193 COMMENT ON COLUMN "vote"."issue_id" IS 'WARNING: No index: For selections use column "initiative_id" and join via table "initiative" where neccessary';
1194 COMMENT ON COLUMN "vote"."grade" IS 'Values smaller than zero mean reject, values greater than zero mean acceptance, zero or missing row means abstention. Preferences are expressed by different positive or negative numbers.';
1195 COMMENT ON COLUMN "vote"."first_preference" IS 'Value is automatically set after voting is finished. For positive grades, this value is set to true for the highest (i.e. best) grade.';
1198 CREATE TYPE "event_type" AS ENUM (
1199 'issue_state_changed',
1200 'initiative_created_in_new_issue',
1201 'initiative_created_in_existing_issue',
1202 'initiative_revoked',
1203 'new_draft_created',
1204 'suggestion_created');
1206 COMMENT ON TYPE "event_type" IS 'Type used for column "event" of table "event"';
1209 CREATE TABLE "event" (
1210 "id" SERIAL8 PRIMARY KEY,
1211 "occurrence" TIMESTAMPTZ NOT NULL DEFAULT now(),
1212 "event" "event_type" NOT NULL,
1213 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
1214 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1215 "state" "issue_state",
1216 "initiative_id" INT4,
1217 "draft_id" INT8,
1218 "suggestion_id" INT8,
1219 FOREIGN KEY ("issue_id", "initiative_id")
1220 REFERENCES "initiative" ("issue_id", "id")
1221 ON DELETE CASCADE ON UPDATE CASCADE,
1222 FOREIGN KEY ("initiative_id", "draft_id")
1223 REFERENCES "draft" ("initiative_id", "id")
1224 ON DELETE CASCADE ON UPDATE CASCADE,
1225 FOREIGN KEY ("initiative_id", "suggestion_id")
1226 REFERENCES "suggestion" ("initiative_id", "id")
1227 ON DELETE CASCADE ON UPDATE CASCADE,
1228 CONSTRAINT "null_constr_for_issue_state_changed" CHECK (
1229 "event" != 'issue_state_changed' OR (
1230 "member_id" ISNULL AND
1231 "issue_id" NOTNULL AND
1232 "state" NOTNULL AND
1233 "initiative_id" ISNULL AND
1234 "draft_id" ISNULL AND
1235 "suggestion_id" ISNULL )),
1236 CONSTRAINT "null_constr_for_initiative_creation_or_revocation_or_new_draft" CHECK (
1237 "event" NOT IN (
1238 'initiative_created_in_new_issue',
1239 'initiative_created_in_existing_issue',
1240 'initiative_revoked',
1241 'new_draft_created'
1242 ) OR (
1243 "member_id" NOTNULL AND
1244 "issue_id" NOTNULL AND
1245 "state" NOTNULL AND
1246 "initiative_id" NOTNULL AND
1247 "draft_id" NOTNULL AND
1248 "suggestion_id" ISNULL )),
1249 CONSTRAINT "null_constr_for_suggestion_creation" CHECK (
1250 "event" != 'suggestion_created' OR (
1251 "member_id" NOTNULL AND
1252 "issue_id" NOTNULL AND
1253 "state" NOTNULL AND
1254 "initiative_id" NOTNULL AND
1255 "draft_id" ISNULL AND
1256 "suggestion_id" NOTNULL )) );
1257 CREATE INDEX "event_occurrence_idx" ON "event" ("occurrence");
1259 COMMENT ON TABLE "event" IS 'Event table, automatically filled by triggers';
1261 COMMENT ON COLUMN "event"."occurrence" IS 'Point in time, when event occurred';
1262 COMMENT ON COLUMN "event"."event" IS 'Type of event (see TYPE "event_type")';
1263 COMMENT ON COLUMN "event"."member_id" IS 'Member who caused the event, if applicable';
1264 COMMENT ON COLUMN "event"."state" IS 'If issue_id is set: state of affected issue; If state changed: new state';
1267 CREATE TABLE "notification_event_sent" (
1268 "event_id" INT8 NOT NULL );
1269 CREATE UNIQUE INDEX "notification_event_sent_singleton_idx" ON "notification_event_sent" ((1));
1271 COMMENT ON TABLE "notification_event_sent" IS 'This table stores one row with the last event_id, for which notifications have been sent out';
1272 COMMENT ON INDEX "notification_event_sent_singleton_idx" IS 'This index ensures that "notification_event_sent" only contains one row maximum.';
1275 CREATE TABLE "notification_initiative_sent" (
1276 PRIMARY KEY ("member_id", "initiative_id"),
1277 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1278 "initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1279 "last_draft_id" INT8 NOT NULL,
1280 "last_suggestion_id" INT8 );
1281 CREATE INDEX "notification_initiative_sent_initiative_idx" ON "notification_initiative_sent" ("initiative_id");
1283 COMMENT ON TABLE "notification_initiative_sent" IS 'Information which initiatives have been promoted to a member in a scheduled notification mail';
1285 COMMENT ON COLUMN "notification_initiative_sent"."last_draft_id" IS 'Current (i.e. last) draft_id when initiative had been promoted';
1286 COMMENT ON COLUMN "notification_initiative_sent"."last_suggestion_id" IS 'Current (i.e. last) draft_id when initiative had been promoted';
1289 CREATE TABLE "newsletter" (
1290 "id" SERIAL4 PRIMARY KEY,
1291 "published" TIMESTAMPTZ NOT NULL,
1292 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1293 "include_all_members" BOOLEAN NOT NULL,
1294 "sent" TIMESTAMPTZ,
1295 "subject" TEXT NOT NULL,
1296 "content" TEXT NOT NULL );
1297 CREATE INDEX "newsletter_unit_id_idx" ON "newsletter" ("unit_id", "published");
1298 CREATE INDEX "newsletter_all_units_published_idx" ON "newsletter" ("published") WHERE "unit_id" ISNULL;
1299 CREATE INDEX "newsletter_published_idx" ON "newsletter" ("published");
1301 COMMENT ON TABLE "newsletter" IS 'Contains newsletters created by administrators to be sent out and for further reference';
1303 COMMENT ON COLUMN "newsletter"."published" IS 'Timestamp when the newsletter is to be sent out (and made available in the frontend)';
1304 COMMENT ON COLUMN "newsletter"."unit_id" IS 'If set, only members with voting right in the given unit are considered to be recipients';
1305 COMMENT ON COLUMN "newsletter"."include_all_members" IS 'TRUE = include all members regardless of their ''disable_notifications'' setting';
1306 COMMENT ON COLUMN "newsletter"."sent" IS 'Timestamp when the newsletter has been mailed out';
1307 COMMENT ON COLUMN "newsletter"."subject" IS 'Subject line (e.g. to be used for the email)';
1308 COMMENT ON COLUMN "newsletter"."content" IS 'Plain text content of the newsletter';
1312 ----------------------------------------------
1313 -- Writing of history entries and event log --
1314 ----------------------------------------------
1317 CREATE FUNCTION "write_member_history_trigger"()
1318 RETURNS TRIGGER
1319 LANGUAGE 'plpgsql' VOLATILE AS $$
1320 BEGIN
1321 IF
1322 ( NEW."active" != OLD."active" OR
1323 NEW."name" != OLD."name" ) AND
1324 OLD."activated" NOTNULL
1325 THEN
1326 INSERT INTO "member_history"
1327 ("member_id", "active", "name")
1328 VALUES (NEW."id", OLD."active", OLD."name");
1329 END IF;
1330 RETURN NULL;
1331 END;
1332 $$;
1334 CREATE TRIGGER "write_member_history"
1335 AFTER UPDATE ON "member" FOR EACH ROW EXECUTE PROCEDURE
1336 "write_member_history_trigger"();
1338 COMMENT ON FUNCTION "write_member_history_trigger"() IS 'Implementation of trigger "write_member_history" on table "member"';
1339 COMMENT ON TRIGGER "write_member_history" ON "member" IS 'When changing certain fields of a member, create a history entry in "member_history" table';
1342 CREATE FUNCTION "write_event_issue_state_changed_trigger"()
1343 RETURNS TRIGGER
1344 LANGUAGE 'plpgsql' VOLATILE AS $$
1345 BEGIN
1346 IF NEW."state" != OLD."state" THEN
1347 INSERT INTO "event" ("event", "issue_id", "state")
1348 VALUES ('issue_state_changed', NEW."id", NEW."state");
1349 END IF;
1350 RETURN NULL;
1351 END;
1352 $$;
1354 CREATE TRIGGER "write_event_issue_state_changed"
1355 AFTER UPDATE ON "issue" FOR EACH ROW EXECUTE PROCEDURE
1356 "write_event_issue_state_changed_trigger"();
1358 COMMENT ON FUNCTION "write_event_issue_state_changed_trigger"() IS 'Implementation of trigger "write_event_issue_state_changed" on table "issue"';
1359 COMMENT ON TRIGGER "write_event_issue_state_changed" ON "issue" IS 'Create entry in "event" table on "state" change';
1362 CREATE FUNCTION "write_event_initiative_or_draft_created_trigger"()
1363 RETURNS TRIGGER
1364 LANGUAGE 'plpgsql' VOLATILE AS $$
1365 DECLARE
1366 "initiative_row" "initiative"%ROWTYPE;
1367 "issue_row" "issue"%ROWTYPE;
1368 "event_v" "event_type";
1369 BEGIN
1370 SELECT * INTO "initiative_row" FROM "initiative"
1371 WHERE "id" = NEW."initiative_id";
1372 SELECT * INTO "issue_row" FROM "issue"
1373 WHERE "id" = "initiative_row"."issue_id";
1374 IF EXISTS (
1375 SELECT NULL FROM "draft"
1376 WHERE "initiative_id" = NEW."initiative_id"
1377 AND "id" != NEW."id"
1378 ) THEN
1379 "event_v" := 'new_draft_created';
1380 ELSE
1381 IF EXISTS (
1382 SELECT NULL FROM "initiative"
1383 WHERE "issue_id" = "initiative_row"."issue_id"
1384 AND "id" != "initiative_row"."id"
1385 ) THEN
1386 "event_v" := 'initiative_created_in_existing_issue';
1387 ELSE
1388 "event_v" := 'initiative_created_in_new_issue';
1389 END IF;
1390 END IF;
1391 INSERT INTO "event" (
1392 "event", "member_id",
1393 "issue_id", "state", "initiative_id", "draft_id"
1394 ) VALUES (
1395 "event_v",
1396 NEW."author_id",
1397 "initiative_row"."issue_id",
1398 "issue_row"."state",
1399 "initiative_row"."id",
1400 NEW."id" );
1401 RETURN NULL;
1402 END;
1403 $$;
1405 CREATE TRIGGER "write_event_initiative_or_draft_created"
1406 AFTER INSERT ON "draft" FOR EACH ROW EXECUTE PROCEDURE
1407 "write_event_initiative_or_draft_created_trigger"();
1409 COMMENT ON FUNCTION "write_event_initiative_or_draft_created_trigger"() IS 'Implementation of trigger "write_event_initiative_or_draft_created" on table "issue"';
1410 COMMENT ON TRIGGER "write_event_initiative_or_draft_created" ON "draft" IS 'Create entry in "event" table on draft creation';
1413 CREATE FUNCTION "write_event_initiative_revoked_trigger"()
1414 RETURNS TRIGGER
1415 LANGUAGE 'plpgsql' VOLATILE AS $$
1416 DECLARE
1417 "issue_row" "issue"%ROWTYPE;
1418 "draft_id_v" "draft"."id"%TYPE;
1419 BEGIN
1420 IF OLD."revoked" ISNULL AND NEW."revoked" NOTNULL THEN
1421 SELECT * INTO "issue_row" FROM "issue"
1422 WHERE "id" = NEW."issue_id";
1423 SELECT "id" INTO "draft_id_v" FROM "current_draft"
1424 WHERE "initiative_id" = NEW."id";
1425 INSERT INTO "event" (
1426 "event", "member_id", "issue_id", "state", "initiative_id", "draft_id"
1427 ) VALUES (
1428 'initiative_revoked',
1429 NEW."revoked_by_member_id",
1430 NEW."issue_id",
1431 "issue_row"."state",
1432 NEW."id",
1433 "draft_id_v");
1434 END IF;
1435 RETURN NULL;
1436 END;
1437 $$;
1439 CREATE TRIGGER "write_event_initiative_revoked"
1440 AFTER UPDATE ON "initiative" FOR EACH ROW EXECUTE PROCEDURE
1441 "write_event_initiative_revoked_trigger"();
1443 COMMENT ON FUNCTION "write_event_initiative_revoked_trigger"() IS 'Implementation of trigger "write_event_initiative_revoked" on table "issue"';
1444 COMMENT ON TRIGGER "write_event_initiative_revoked" ON "initiative" IS 'Create entry in "event" table, when an initiative is revoked';
1447 CREATE FUNCTION "write_event_suggestion_created_trigger"()
1448 RETURNS TRIGGER
1449 LANGUAGE 'plpgsql' VOLATILE AS $$
1450 DECLARE
1451 "initiative_row" "initiative"%ROWTYPE;
1452 "issue_row" "issue"%ROWTYPE;
1453 BEGIN
1454 SELECT * INTO "initiative_row" FROM "initiative"
1455 WHERE "id" = NEW."initiative_id";
1456 SELECT * INTO "issue_row" FROM "issue"
1457 WHERE "id" = "initiative_row"."issue_id";
1458 INSERT INTO "event" (
1459 "event", "member_id",
1460 "issue_id", "state", "initiative_id", "suggestion_id"
1461 ) VALUES (
1462 'suggestion_created',
1463 NEW."author_id",
1464 "initiative_row"."issue_id",
1465 "issue_row"."state",
1466 "initiative_row"."id",
1467 NEW."id" );
1468 RETURN NULL;
1469 END;
1470 $$;
1472 CREATE TRIGGER "write_event_suggestion_created"
1473 AFTER INSERT ON "suggestion" FOR EACH ROW EXECUTE PROCEDURE
1474 "write_event_suggestion_created_trigger"();
1476 COMMENT ON FUNCTION "write_event_suggestion_created_trigger"() IS 'Implementation of trigger "write_event_suggestion_created" on table "issue"';
1477 COMMENT ON TRIGGER "write_event_suggestion_created" ON "suggestion" IS 'Create entry in "event" table on suggestion creation';
1481 ----------------------------
1482 -- Additional constraints --
1483 ----------------------------
1486 CREATE FUNCTION "issue_requires_first_initiative_trigger"()
1487 RETURNS TRIGGER
1488 LANGUAGE 'plpgsql' VOLATILE AS $$
1489 BEGIN
1490 IF NOT EXISTS (
1491 SELECT NULL FROM "initiative" WHERE "issue_id" = NEW."id"
1492 ) THEN
1493 RAISE EXCEPTION 'Cannot create issue without an initial initiative.' USING
1494 ERRCODE = 'integrity_constraint_violation',
1495 HINT = 'Create issue, initiative, and draft within the same transaction.';
1496 END IF;
1497 RETURN NULL;
1498 END;
1499 $$;
1501 CREATE CONSTRAINT TRIGGER "issue_requires_first_initiative"
1502 AFTER INSERT OR UPDATE ON "issue" DEFERRABLE INITIALLY DEFERRED
1503 FOR EACH ROW EXECUTE PROCEDURE
1504 "issue_requires_first_initiative_trigger"();
1506 COMMENT ON FUNCTION "issue_requires_first_initiative_trigger"() IS 'Implementation of trigger "issue_requires_first_initiative" on table "issue"';
1507 COMMENT ON TRIGGER "issue_requires_first_initiative" ON "issue" IS 'Ensure that new issues have at least one initiative';
1510 CREATE FUNCTION "last_initiative_deletes_issue_trigger"()
1511 RETURNS TRIGGER
1512 LANGUAGE 'plpgsql' VOLATILE AS $$
1513 DECLARE
1514 "reference_lost" BOOLEAN;
1515 BEGIN
1516 IF TG_OP = 'DELETE' THEN
1517 "reference_lost" := TRUE;
1518 ELSE
1519 "reference_lost" := NEW."issue_id" != OLD."issue_id";
1520 END IF;
1521 IF
1522 "reference_lost" AND NOT EXISTS (
1523 SELECT NULL FROM "initiative" WHERE "issue_id" = OLD."issue_id"
1525 THEN
1526 DELETE FROM "issue" WHERE "id" = OLD."issue_id";
1527 END IF;
1528 RETURN NULL;
1529 END;
1530 $$;
1532 CREATE CONSTRAINT TRIGGER "last_initiative_deletes_issue"
1533 AFTER UPDATE OR DELETE ON "initiative" DEFERRABLE INITIALLY DEFERRED
1534 FOR EACH ROW EXECUTE PROCEDURE
1535 "last_initiative_deletes_issue_trigger"();
1537 COMMENT ON FUNCTION "last_initiative_deletes_issue_trigger"() IS 'Implementation of trigger "last_initiative_deletes_issue" on table "initiative"';
1538 COMMENT ON TRIGGER "last_initiative_deletes_issue" ON "initiative" IS 'Removing the last initiative of an issue deletes the issue';
1541 CREATE FUNCTION "initiative_requires_first_draft_trigger"()
1542 RETURNS TRIGGER
1543 LANGUAGE 'plpgsql' VOLATILE AS $$
1544 BEGIN
1545 IF NOT EXISTS (
1546 SELECT NULL FROM "draft" WHERE "initiative_id" = NEW."id"
1547 ) THEN
1548 RAISE EXCEPTION 'Cannot create initiative without an initial draft.' USING
1549 ERRCODE = 'integrity_constraint_violation',
1550 HINT = 'Create issue, initiative and draft within the same transaction.';
1551 END IF;
1552 RETURN NULL;
1553 END;
1554 $$;
1556 CREATE CONSTRAINT TRIGGER "initiative_requires_first_draft"
1557 AFTER INSERT OR UPDATE ON "initiative" DEFERRABLE INITIALLY DEFERRED
1558 FOR EACH ROW EXECUTE PROCEDURE
1559 "initiative_requires_first_draft_trigger"();
1561 COMMENT ON FUNCTION "initiative_requires_first_draft_trigger"() IS 'Implementation of trigger "initiative_requires_first_draft" on table "initiative"';
1562 COMMENT ON TRIGGER "initiative_requires_first_draft" ON "initiative" IS 'Ensure that new initiatives have at least one draft';
1565 CREATE FUNCTION "last_draft_deletes_initiative_trigger"()
1566 RETURNS TRIGGER
1567 LANGUAGE 'plpgsql' VOLATILE AS $$
1568 DECLARE
1569 "reference_lost" BOOLEAN;
1570 BEGIN
1571 IF TG_OP = 'DELETE' THEN
1572 "reference_lost" := TRUE;
1573 ELSE
1574 "reference_lost" := NEW."initiative_id" != OLD."initiative_id";
1575 END IF;
1576 IF
1577 "reference_lost" AND NOT EXISTS (
1578 SELECT NULL FROM "draft" WHERE "initiative_id" = OLD."initiative_id"
1580 THEN
1581 DELETE FROM "initiative" WHERE "id" = OLD."initiative_id";
1582 END IF;
1583 RETURN NULL;
1584 END;
1585 $$;
1587 CREATE CONSTRAINT TRIGGER "last_draft_deletes_initiative"
1588 AFTER UPDATE OR DELETE ON "draft" DEFERRABLE INITIALLY DEFERRED
1589 FOR EACH ROW EXECUTE PROCEDURE
1590 "last_draft_deletes_initiative_trigger"();
1592 COMMENT ON FUNCTION "last_draft_deletes_initiative_trigger"() IS 'Implementation of trigger "last_draft_deletes_initiative" on table "draft"';
1593 COMMENT ON TRIGGER "last_draft_deletes_initiative" ON "draft" IS 'Removing the last draft of an initiative deletes the initiative';
1596 CREATE FUNCTION "suggestion_requires_first_opinion_trigger"()
1597 RETURNS TRIGGER
1598 LANGUAGE 'plpgsql' VOLATILE AS $$
1599 BEGIN
1600 IF NOT EXISTS (
1601 SELECT NULL FROM "opinion" WHERE "suggestion_id" = NEW."id"
1602 ) THEN
1603 RAISE EXCEPTION 'Cannot create a suggestion without an opinion.' USING
1604 ERRCODE = 'integrity_constraint_violation',
1605 HINT = 'Create suggestion and opinion within the same transaction.';
1606 END IF;
1607 RETURN NULL;
1608 END;
1609 $$;
1611 CREATE CONSTRAINT TRIGGER "suggestion_requires_first_opinion"
1612 AFTER INSERT OR UPDATE ON "suggestion" DEFERRABLE INITIALLY DEFERRED
1613 FOR EACH ROW EXECUTE PROCEDURE
1614 "suggestion_requires_first_opinion_trigger"();
1616 COMMENT ON FUNCTION "suggestion_requires_first_opinion_trigger"() IS 'Implementation of trigger "suggestion_requires_first_opinion" on table "suggestion"';
1617 COMMENT ON TRIGGER "suggestion_requires_first_opinion" ON "suggestion" IS 'Ensure that new suggestions have at least one opinion';
1620 CREATE FUNCTION "last_opinion_deletes_suggestion_trigger"()
1621 RETURNS TRIGGER
1622 LANGUAGE 'plpgsql' VOLATILE AS $$
1623 DECLARE
1624 "reference_lost" BOOLEAN;
1625 BEGIN
1626 IF TG_OP = 'DELETE' THEN
1627 "reference_lost" := TRUE;
1628 ELSE
1629 "reference_lost" := NEW."suggestion_id" != OLD."suggestion_id";
1630 END IF;
1631 IF
1632 "reference_lost" AND NOT EXISTS (
1633 SELECT NULL FROM "opinion" WHERE "suggestion_id" = OLD."suggestion_id"
1635 THEN
1636 DELETE FROM "suggestion" WHERE "id" = OLD."suggestion_id";
1637 END IF;
1638 RETURN NULL;
1639 END;
1640 $$;
1642 CREATE CONSTRAINT TRIGGER "last_opinion_deletes_suggestion"
1643 AFTER UPDATE OR DELETE ON "opinion" DEFERRABLE INITIALLY DEFERRED
1644 FOR EACH ROW EXECUTE PROCEDURE
1645 "last_opinion_deletes_suggestion_trigger"();
1647 COMMENT ON FUNCTION "last_opinion_deletes_suggestion_trigger"() IS 'Implementation of trigger "last_opinion_deletes_suggestion" on table "opinion"';
1648 COMMENT ON TRIGGER "last_opinion_deletes_suggestion" ON "opinion" IS 'Removing the last opinion of a suggestion deletes the suggestion';
1651 CREATE FUNCTION "non_voter_deletes_direct_voter_trigger"()
1652 RETURNS TRIGGER
1653 LANGUAGE 'plpgsql' VOLATILE AS $$
1654 BEGIN
1655 DELETE FROM "direct_voter"
1656 WHERE "issue_id" = NEW."issue_id" AND "member_id" = NEW."member_id";
1657 RETURN NULL;
1658 END;
1659 $$;
1661 CREATE TRIGGER "non_voter_deletes_direct_voter"
1662 AFTER INSERT OR UPDATE ON "non_voter"
1663 FOR EACH ROW EXECUTE PROCEDURE
1664 "non_voter_deletes_direct_voter_trigger"();
1666 COMMENT ON FUNCTION "non_voter_deletes_direct_voter_trigger"() IS 'Implementation of trigger "non_voter_deletes_direct_voter" on table "non_voter"';
1667 COMMENT ON TRIGGER "non_voter_deletes_direct_voter" ON "non_voter" IS 'An entry in the "non_voter" table deletes an entry in the "direct_voter" table (and vice versa due to trigger "direct_voter_deletes_non_voter" on table "direct_voter")';
1670 CREATE FUNCTION "direct_voter_deletes_non_voter_trigger"()
1671 RETURNS TRIGGER
1672 LANGUAGE 'plpgsql' VOLATILE AS $$
1673 BEGIN
1674 DELETE FROM "non_voter"
1675 WHERE "issue_id" = NEW."issue_id" AND "member_id" = NEW."member_id";
1676 RETURN NULL;
1677 END;
1678 $$;
1680 CREATE TRIGGER "direct_voter_deletes_non_voter"
1681 AFTER INSERT OR UPDATE ON "direct_voter"
1682 FOR EACH ROW EXECUTE PROCEDURE
1683 "direct_voter_deletes_non_voter_trigger"();
1685 COMMENT ON FUNCTION "direct_voter_deletes_non_voter_trigger"() IS 'Implementation of trigger "direct_voter_deletes_non_voter" on table "direct_voter"';
1686 COMMENT ON TRIGGER "direct_voter_deletes_non_voter" ON "direct_voter" IS 'An entry in the "direct_voter" table deletes an entry in the "non_voter" table (and vice versa due to trigger "non_voter_deletes_direct_voter" on table "non_voter")';
1689 CREATE FUNCTION "voter_comment_fields_only_set_when_voter_comment_is_set_trigger"()
1690 RETURNS TRIGGER
1691 LANGUAGE 'plpgsql' VOLATILE AS $$
1692 BEGIN
1693 IF NEW."comment" ISNULL THEN
1694 NEW."comment_changed" := NULL;
1695 NEW."formatting_engine" := NULL;
1696 END IF;
1697 RETURN NEW;
1698 END;
1699 $$;
1701 CREATE TRIGGER "voter_comment_fields_only_set_when_voter_comment_is_set"
1702 BEFORE INSERT OR UPDATE ON "direct_voter"
1703 FOR EACH ROW EXECUTE PROCEDURE
1704 "voter_comment_fields_only_set_when_voter_comment_is_set_trigger"();
1706 COMMENT ON FUNCTION "voter_comment_fields_only_set_when_voter_comment_is_set_trigger"() IS 'Implementation of trigger "voter_comment_fields_only_set_when_voter_comment_is_set" ON table "direct_voter"';
1707 COMMENT ON TRIGGER "voter_comment_fields_only_set_when_voter_comment_is_set" ON "direct_voter" IS 'If "comment" is set to NULL, then other comment related fields are also set to NULL.';
1710 ---------------------------------------------------------------
1711 -- Ensure that votes are not modified when issues are closed --
1712 ---------------------------------------------------------------
1714 -- NOTE: Frontends should ensure this anyway, but in case of programming
1715 -- errors the following triggers ensure data integrity.
1718 CREATE FUNCTION "forbid_changes_on_closed_issue_trigger"()
1719 RETURNS TRIGGER
1720 LANGUAGE 'plpgsql' VOLATILE AS $$
1721 DECLARE
1722 "issue_id_v" "issue"."id"%TYPE;
1723 "issue_row" "issue"%ROWTYPE;
1724 BEGIN
1725 IF EXISTS (
1726 SELECT NULL FROM "temporary_transaction_data"
1727 WHERE "txid" = txid_current()
1728 AND "key" = 'override_protection_triggers'
1729 AND "value" = TRUE::TEXT
1730 ) THEN
1731 RETURN NULL;
1732 END IF;
1733 IF TG_OP = 'DELETE' THEN
1734 "issue_id_v" := OLD."issue_id";
1735 ELSE
1736 "issue_id_v" := NEW."issue_id";
1737 END IF;
1738 SELECT INTO "issue_row" * FROM "issue"
1739 WHERE "id" = "issue_id_v" FOR SHARE;
1740 IF (
1741 "issue_row"."closed" NOTNULL OR (
1742 "issue_row"."state" = 'voting' AND
1743 "issue_row"."phase_finished" NOTNULL
1745 ) THEN
1746 IF
1747 TG_RELID = 'direct_voter'::regclass AND
1748 TG_OP = 'UPDATE'
1749 THEN
1750 IF
1751 OLD."issue_id" = NEW."issue_id" AND
1752 OLD."member_id" = NEW."member_id" AND
1753 OLD."weight" = NEW."weight"
1754 THEN
1755 RETURN NULL; -- allows changing of voter comment
1756 END IF;
1757 END IF;
1758 RAISE EXCEPTION 'Tried to modify data after voting has been closed.' USING
1759 ERRCODE = 'integrity_constraint_violation';
1760 END IF;
1761 RETURN NULL;
1762 END;
1763 $$;
1765 CREATE TRIGGER "forbid_changes_on_closed_issue"
1766 AFTER INSERT OR UPDATE OR DELETE ON "direct_voter"
1767 FOR EACH ROW EXECUTE PROCEDURE
1768 "forbid_changes_on_closed_issue_trigger"();
1770 CREATE TRIGGER "forbid_changes_on_closed_issue"
1771 AFTER INSERT OR UPDATE OR DELETE ON "delegating_voter"
1772 FOR EACH ROW EXECUTE PROCEDURE
1773 "forbid_changes_on_closed_issue_trigger"();
1775 CREATE TRIGGER "forbid_changes_on_closed_issue"
1776 AFTER INSERT OR UPDATE OR DELETE ON "vote"
1777 FOR EACH ROW EXECUTE PROCEDURE
1778 "forbid_changes_on_closed_issue_trigger"();
1780 COMMENT ON FUNCTION "forbid_changes_on_closed_issue_trigger"() IS 'Implementation of triggers "forbid_changes_on_closed_issue" on tables "direct_voter", "delegating_voter" and "vote"';
1781 COMMENT ON TRIGGER "forbid_changes_on_closed_issue" ON "direct_voter" IS 'Ensures that frontends can''t tamper with votings of closed issues, in case of programming errors';
1782 COMMENT ON TRIGGER "forbid_changes_on_closed_issue" ON "delegating_voter" IS 'Ensures that frontends can''t tamper with votings of closed issues, in case of programming errors';
1783 COMMENT ON TRIGGER "forbid_changes_on_closed_issue" ON "vote" IS 'Ensures that frontends can''t tamper with votings of closed issues, in case of programming errors';
1787 --------------------------------------------------------------------
1788 -- Auto-retrieval of fields only needed for referential integrity --
1789 --------------------------------------------------------------------
1792 CREATE FUNCTION "autofill_issue_id_trigger"()
1793 RETURNS TRIGGER
1794 LANGUAGE 'plpgsql' VOLATILE AS $$
1795 BEGIN
1796 IF NEW."issue_id" ISNULL THEN
1797 SELECT "issue_id" INTO NEW."issue_id"
1798 FROM "initiative" WHERE "id" = NEW."initiative_id";
1799 END IF;
1800 RETURN NEW;
1801 END;
1802 $$;
1804 CREATE TRIGGER "autofill_issue_id" BEFORE INSERT ON "supporter"
1805 FOR EACH ROW EXECUTE PROCEDURE "autofill_issue_id_trigger"();
1807 CREATE TRIGGER "autofill_issue_id" BEFORE INSERT ON "vote"
1808 FOR EACH ROW EXECUTE PROCEDURE "autofill_issue_id_trigger"();
1810 COMMENT ON FUNCTION "autofill_issue_id_trigger"() IS 'Implementation of triggers "autofill_issue_id" on tables "supporter" and "vote"';
1811 COMMENT ON TRIGGER "autofill_issue_id" ON "supporter" IS 'Set "issue_id" field automatically, if NULL';
1812 COMMENT ON TRIGGER "autofill_issue_id" ON "vote" IS 'Set "issue_id" field automatically, if NULL';
1815 CREATE FUNCTION "autofill_initiative_id_trigger"()
1816 RETURNS TRIGGER
1817 LANGUAGE 'plpgsql' VOLATILE AS $$
1818 BEGIN
1819 IF NEW."initiative_id" ISNULL THEN
1820 SELECT "initiative_id" INTO NEW."initiative_id"
1821 FROM "suggestion" WHERE "id" = NEW."suggestion_id";
1822 END IF;
1823 RETURN NEW;
1824 END;
1825 $$;
1827 CREATE TRIGGER "autofill_initiative_id" BEFORE INSERT ON "opinion"
1828 FOR EACH ROW EXECUTE PROCEDURE "autofill_initiative_id_trigger"();
1830 COMMENT ON FUNCTION "autofill_initiative_id_trigger"() IS 'Implementation of trigger "autofill_initiative_id" on table "opinion"';
1831 COMMENT ON TRIGGER "autofill_initiative_id" ON "opinion" IS 'Set "initiative_id" field automatically, if NULL';
1835 -----------------------------------------------------
1836 -- Automatic calculation of certain default values --
1837 -----------------------------------------------------
1840 CREATE FUNCTION "copy_timings_trigger"()
1841 RETURNS TRIGGER
1842 LANGUAGE 'plpgsql' VOLATILE AS $$
1843 DECLARE
1844 "policy_row" "policy"%ROWTYPE;
1845 BEGIN
1846 SELECT * INTO "policy_row" FROM "policy"
1847 WHERE "id" = NEW."policy_id";
1848 IF NEW."min_admission_time" ISNULL THEN
1849 NEW."min_admission_time" := "policy_row"."min_admission_time";
1850 END IF;
1851 IF NEW."max_admission_time" ISNULL THEN
1852 NEW."max_admission_time" := "policy_row"."max_admission_time";
1853 END IF;
1854 IF NEW."discussion_time" ISNULL THEN
1855 NEW."discussion_time" := "policy_row"."discussion_time";
1856 END IF;
1857 IF NEW."verification_time" ISNULL THEN
1858 NEW."verification_time" := "policy_row"."verification_time";
1859 END IF;
1860 IF NEW."voting_time" ISNULL THEN
1861 NEW."voting_time" := "policy_row"."voting_time";
1862 END IF;
1863 RETURN NEW;
1864 END;
1865 $$;
1867 CREATE TRIGGER "copy_timings" BEFORE INSERT OR UPDATE ON "issue"
1868 FOR EACH ROW EXECUTE PROCEDURE "copy_timings_trigger"();
1870 COMMENT ON FUNCTION "copy_timings_trigger"() IS 'Implementation of trigger "copy_timings" on table "issue"';
1871 COMMENT ON TRIGGER "copy_timings" ON "issue" IS 'If timing fields are NULL, copy values from policy.';
1874 CREATE FUNCTION "default_for_draft_id_trigger"()
1875 RETURNS TRIGGER
1876 LANGUAGE 'plpgsql' VOLATILE AS $$
1877 BEGIN
1878 IF NEW."draft_id" ISNULL THEN
1879 SELECT "id" INTO NEW."draft_id" FROM "current_draft"
1880 WHERE "initiative_id" = NEW."initiative_id";
1881 END IF;
1882 RETURN NEW;
1883 END;
1884 $$;
1886 CREATE TRIGGER "default_for_draft_id" BEFORE INSERT OR UPDATE ON "suggestion"
1887 FOR EACH ROW EXECUTE PROCEDURE "default_for_draft_id_trigger"();
1888 CREATE TRIGGER "default_for_draft_id" BEFORE INSERT OR UPDATE ON "supporter"
1889 FOR EACH ROW EXECUTE PROCEDURE "default_for_draft_id_trigger"();
1891 COMMENT ON FUNCTION "default_for_draft_id_trigger"() IS 'Implementation of trigger "default_for_draft" on tables "supporter" and "suggestion"';
1892 COMMENT ON TRIGGER "default_for_draft_id" ON "suggestion" IS 'If "draft_id" is NULL, then use the current draft of the initiative as default';
1893 COMMENT ON TRIGGER "default_for_draft_id" ON "supporter" IS 'If "draft_id" is NULL, then use the current draft of the initiative as default';
1897 ----------------------------------------
1898 -- Automatic creation of dependencies --
1899 ----------------------------------------
1902 CREATE FUNCTION "autocreate_interest_trigger"()
1903 RETURNS TRIGGER
1904 LANGUAGE 'plpgsql' VOLATILE AS $$
1905 BEGIN
1906 IF NOT EXISTS (
1907 SELECT NULL FROM "initiative" JOIN "interest"
1908 ON "initiative"."issue_id" = "interest"."issue_id"
1909 WHERE "initiative"."id" = NEW."initiative_id"
1910 AND "interest"."member_id" = NEW."member_id"
1911 ) THEN
1912 BEGIN
1913 INSERT INTO "interest" ("issue_id", "member_id")
1914 SELECT "issue_id", NEW."member_id"
1915 FROM "initiative" WHERE "id" = NEW."initiative_id";
1916 EXCEPTION WHEN unique_violation THEN END;
1917 END IF;
1918 RETURN NEW;
1919 END;
1920 $$;
1922 CREATE TRIGGER "autocreate_interest" BEFORE INSERT ON "supporter"
1923 FOR EACH ROW EXECUTE PROCEDURE "autocreate_interest_trigger"();
1925 COMMENT ON FUNCTION "autocreate_interest_trigger"() IS 'Implementation of trigger "autocreate_interest" on table "supporter"';
1926 COMMENT ON TRIGGER "autocreate_interest" ON "supporter" IS 'Supporting an initiative implies interest in the issue, thus automatically creates an entry in the "interest" table';
1929 CREATE FUNCTION "autocreate_supporter_trigger"()
1930 RETURNS TRIGGER
1931 LANGUAGE 'plpgsql' VOLATILE AS $$
1932 BEGIN
1933 IF NOT EXISTS (
1934 SELECT NULL FROM "suggestion" JOIN "supporter"
1935 ON "suggestion"."initiative_id" = "supporter"."initiative_id"
1936 WHERE "suggestion"."id" = NEW."suggestion_id"
1937 AND "supporter"."member_id" = NEW."member_id"
1938 ) THEN
1939 BEGIN
1940 INSERT INTO "supporter" ("initiative_id", "member_id")
1941 SELECT "initiative_id", NEW."member_id"
1942 FROM "suggestion" WHERE "id" = NEW."suggestion_id";
1943 EXCEPTION WHEN unique_violation THEN END;
1944 END IF;
1945 RETURN NEW;
1946 END;
1947 $$;
1949 CREATE TRIGGER "autocreate_supporter" BEFORE INSERT ON "opinion"
1950 FOR EACH ROW EXECUTE PROCEDURE "autocreate_supporter_trigger"();
1952 COMMENT ON FUNCTION "autocreate_supporter_trigger"() IS 'Implementation of trigger "autocreate_supporter" on table "opinion"';
1953 COMMENT ON TRIGGER "autocreate_supporter" ON "opinion" IS 'Opinions can only be added for supported initiatives. This trigger automatrically creates an entry in the "supporter" table, if not existent yet.';
1957 ------------------------------------------
1958 -- Views and helper functions for views --
1959 ------------------------------------------
1962 CREATE VIEW "unit_delegation" AS
1963 SELECT
1964 "unit"."id" AS "unit_id",
1965 "delegation"."id",
1966 "delegation"."truster_id",
1967 "delegation"."trustee_id",
1968 "delegation"."scope"
1969 FROM "unit"
1970 JOIN "delegation"
1971 ON "delegation"."unit_id" = "unit"."id"
1972 JOIN "member"
1973 ON "delegation"."truster_id" = "member"."id"
1974 JOIN "privilege"
1975 ON "delegation"."unit_id" = "privilege"."unit_id"
1976 AND "delegation"."truster_id" = "privilege"."member_id"
1977 WHERE "member"."active" AND "privilege"."voting_right";
1979 COMMENT ON VIEW "unit_delegation" IS 'Unit delegations where trusters are active and have voting right';
1982 CREATE VIEW "area_delegation" AS
1983 SELECT DISTINCT ON ("area"."id", "delegation"."truster_id")
1984 "area"."id" AS "area_id",
1985 "delegation"."id",
1986 "delegation"."truster_id",
1987 "delegation"."trustee_id",
1988 "delegation"."scope"
1989 FROM "area"
1990 JOIN "delegation"
1991 ON "delegation"."unit_id" = "area"."unit_id"
1992 OR "delegation"."area_id" = "area"."id"
1993 JOIN "member"
1994 ON "delegation"."truster_id" = "member"."id"
1995 JOIN "privilege"
1996 ON "area"."unit_id" = "privilege"."unit_id"
1997 AND "delegation"."truster_id" = "privilege"."member_id"
1998 WHERE "member"."active" AND "privilege"."voting_right"
1999 ORDER BY
2000 "area"."id",
2001 "delegation"."truster_id",
2002 "delegation"."scope" DESC;
2004 COMMENT ON VIEW "area_delegation" IS 'Area delegations where trusters are active and have voting right';
2007 CREATE VIEW "issue_delegation" AS
2008 SELECT DISTINCT ON ("issue"."id", "delegation"."truster_id")
2009 "issue"."id" AS "issue_id",
2010 "delegation"."id",
2011 "delegation"."truster_id",
2012 "delegation"."trustee_id",
2013 "delegation"."scope"
2014 FROM "issue"
2015 JOIN "area"
2016 ON "area"."id" = "issue"."area_id"
2017 JOIN "delegation"
2018 ON "delegation"."unit_id" = "area"."unit_id"
2019 OR "delegation"."area_id" = "area"."id"
2020 OR "delegation"."issue_id" = "issue"."id"
2021 JOIN "member"
2022 ON "delegation"."truster_id" = "member"."id"
2023 JOIN "privilege"
2024 ON "area"."unit_id" = "privilege"."unit_id"
2025 AND "delegation"."truster_id" = "privilege"."member_id"
2026 WHERE "member"."active" AND "privilege"."voting_right"
2027 ORDER BY
2028 "issue"."id",
2029 "delegation"."truster_id",
2030 "delegation"."scope" DESC;
2032 COMMENT ON VIEW "issue_delegation" IS 'Issue delegations where trusters are active and have voting right';
2035 CREATE FUNCTION "membership_weight_with_skipping"
2036 ( "area_id_p" "area"."id"%TYPE,
2037 "member_id_p" "member"."id"%TYPE,
2038 "skip_member_ids_p" INT4[] ) -- "member"."id"%TYPE[]
2039 RETURNS INT4
2040 LANGUAGE 'plpgsql' STABLE AS $$
2041 DECLARE
2042 "sum_v" INT4;
2043 "delegation_row" "area_delegation"%ROWTYPE;
2044 BEGIN
2045 "sum_v" := 1;
2046 FOR "delegation_row" IN
2047 SELECT "area_delegation".*
2048 FROM "area_delegation" LEFT JOIN "membership"
2049 ON "membership"."area_id" = "area_id_p"
2050 AND "membership"."member_id" = "area_delegation"."truster_id"
2051 WHERE "area_delegation"."area_id" = "area_id_p"
2052 AND "area_delegation"."trustee_id" = "member_id_p"
2053 AND "membership"."member_id" ISNULL
2054 LOOP
2055 IF NOT
2056 "skip_member_ids_p" @> ARRAY["delegation_row"."truster_id"]
2057 THEN
2058 "sum_v" := "sum_v" + "membership_weight_with_skipping"(
2059 "area_id_p",
2060 "delegation_row"."truster_id",
2061 "skip_member_ids_p" || "delegation_row"."truster_id"
2062 );
2063 END IF;
2064 END LOOP;
2065 RETURN "sum_v";
2066 END;
2067 $$;
2069 COMMENT ON FUNCTION "membership_weight_with_skipping"
2070 ( "area"."id"%TYPE,
2071 "member"."id"%TYPE,
2072 INT4[] )
2073 IS 'Helper function for "membership_weight" function';
2076 CREATE FUNCTION "membership_weight"
2077 ( "area_id_p" "area"."id"%TYPE,
2078 "member_id_p" "member"."id"%TYPE ) -- "member"."id"%TYPE[]
2079 RETURNS INT4
2080 LANGUAGE 'plpgsql' STABLE AS $$
2081 BEGIN
2082 RETURN "membership_weight_with_skipping"(
2083 "area_id_p",
2084 "member_id_p",
2085 ARRAY["member_id_p"]
2086 );
2087 END;
2088 $$;
2090 COMMENT ON FUNCTION "membership_weight"
2091 ( "area"."id"%TYPE,
2092 "member"."id"%TYPE )
2093 IS 'Calculates the potential voting weight of a member in a given area';
2096 CREATE VIEW "member_count_view" AS
2097 SELECT count(1) AS "total_count" FROM "member" WHERE "active";
2099 COMMENT ON VIEW "member_count_view" IS 'View used to update "member_count" table';
2102 CREATE VIEW "unit_member_count" AS
2103 SELECT
2104 "unit"."id" AS "unit_id",
2105 count("member"."id") AS "member_count"
2106 FROM "unit"
2107 LEFT JOIN "privilege"
2108 ON "privilege"."unit_id" = "unit"."id"
2109 AND "privilege"."voting_right"
2110 LEFT JOIN "member"
2111 ON "member"."id" = "privilege"."member_id"
2112 AND "member"."active"
2113 GROUP BY "unit"."id";
2115 COMMENT ON VIEW "unit_member_count" IS 'View used to update "member_count" column of "unit" table';
2118 CREATE VIEW "area_member_count" AS
2119 SELECT
2120 "area"."id" AS "area_id",
2121 count("member"."id") AS "direct_member_count",
2122 coalesce(
2123 sum(
2124 CASE WHEN "member"."id" NOTNULL THEN
2125 "membership_weight"("area"."id", "member"."id")
2126 ELSE 0 END
2128 ) AS "member_weight"
2129 FROM "area"
2130 LEFT JOIN "membership"
2131 ON "area"."id" = "membership"."area_id"
2132 LEFT JOIN "privilege"
2133 ON "privilege"."unit_id" = "area"."unit_id"
2134 AND "privilege"."member_id" = "membership"."member_id"
2135 AND "privilege"."voting_right"
2136 LEFT JOIN "member"
2137 ON "member"."id" = "privilege"."member_id" -- NOTE: no membership here!
2138 AND "member"."active"
2139 GROUP BY "area"."id";
2141 COMMENT ON VIEW "area_member_count" IS 'View used to update "direct_member_count" and "member_weight" columns of table "area"';
2144 CREATE VIEW "opening_draft" AS
2145 SELECT "draft".* FROM (
2146 SELECT
2147 "initiative"."id" AS "initiative_id",
2148 min("draft"."id") AS "draft_id"
2149 FROM "initiative" JOIN "draft"
2150 ON "initiative"."id" = "draft"."initiative_id"
2151 GROUP BY "initiative"."id"
2152 ) AS "subquery"
2153 JOIN "draft" ON "subquery"."draft_id" = "draft"."id";
2155 COMMENT ON VIEW "opening_draft" IS 'First drafts of all initiatives';
2158 CREATE VIEW "current_draft" AS
2159 SELECT "draft".* FROM (
2160 SELECT
2161 "initiative"."id" AS "initiative_id",
2162 max("draft"."id") AS "draft_id"
2163 FROM "initiative" JOIN "draft"
2164 ON "initiative"."id" = "draft"."initiative_id"
2165 GROUP BY "initiative"."id"
2166 ) AS "subquery"
2167 JOIN "draft" ON "subquery"."draft_id" = "draft"."id";
2169 COMMENT ON VIEW "current_draft" IS 'All latest drafts for each initiative';
2172 CREATE VIEW "critical_opinion" AS
2173 SELECT * FROM "opinion"
2174 WHERE ("degree" = 2 AND "fulfilled" = FALSE)
2175 OR ("degree" = -2 AND "fulfilled" = TRUE);
2177 COMMENT ON VIEW "critical_opinion" IS 'Opinions currently causing dissatisfaction';
2180 CREATE VIEW "issue_supporter_in_admission_state" AS
2181 SELECT DISTINCT -- TODO: DISTINCT needed?
2182 "area"."unit_id",
2183 "issue"."area_id",
2184 "issue"."id" AS "issue_id",
2185 "supporter"."member_id",
2186 "direct_interest_snapshot"."weight"
2187 FROM "issue"
2188 JOIN "area" ON "area"."id" = "issue"."area_id"
2189 JOIN "supporter" ON "supporter"."issue_id" = "issue"."id"
2190 JOIN "direct_interest_snapshot"
2191 ON "direct_interest_snapshot"."issue_id" = "issue"."id"
2192 AND "direct_interest_snapshot"."event" = "issue"."latest_snapshot_event"
2193 AND "direct_interest_snapshot"."member_id" = "supporter"."member_id"
2194 WHERE "issue"."state" = 'admission'::"issue_state";
2196 COMMENT ON VIEW "issue_supporter_in_admission_state" IS 'Helper view for "lf_update_issue_order" to allow a (proportional) ordering of issues within an area';
2199 CREATE VIEW "initiative_suggestion_order_calculation" AS
2200 SELECT
2201 "initiative"."id" AS "initiative_id",
2202 ("issue"."closed" NOTNULL OR "issue"."fully_frozen" NOTNULL) AS "final"
2203 FROM "initiative" JOIN "issue"
2204 ON "initiative"."issue_id" = "issue"."id"
2205 WHERE ("issue"."closed" ISNULL AND "issue"."fully_frozen" ISNULL)
2206 OR ("initiative"."final_suggestion_order_calculated" = FALSE);
2208 COMMENT ON VIEW "initiative_suggestion_order_calculation" IS 'Initiatives, where the "proportional_order" of its suggestions has to be calculated';
2210 COMMENT ON COLUMN "initiative_suggestion_order_calculation"."final" IS 'Set to TRUE, if the issue is fully frozen or closed, and the calculation has to be done only once for one last time';
2213 CREATE VIEW "individual_suggestion_ranking" AS
2214 SELECT
2215 "opinion"."initiative_id",
2216 "opinion"."member_id",
2217 "direct_interest_snapshot"."weight",
2218 CASE WHEN
2219 ("opinion"."degree" = 2 AND "opinion"."fulfilled" = FALSE) OR
2220 ("opinion"."degree" = -2 AND "opinion"."fulfilled" = TRUE)
2221 THEN 1 ELSE
2222 CASE WHEN
2223 ("opinion"."degree" = 1 AND "opinion"."fulfilled" = FALSE) OR
2224 ("opinion"."degree" = -1 AND "opinion"."fulfilled" = TRUE)
2225 THEN 2 ELSE
2226 CASE WHEN
2227 ("opinion"."degree" = 2 AND "opinion"."fulfilled" = TRUE) OR
2228 ("opinion"."degree" = -2 AND "opinion"."fulfilled" = FALSE)
2229 THEN 3 ELSE 4 END
2230 END
2231 END AS "preference",
2232 "opinion"."suggestion_id"
2233 FROM "opinion"
2234 JOIN "initiative" ON "initiative"."id" = "opinion"."initiative_id"
2235 JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
2236 JOIN "direct_interest_snapshot"
2237 ON "direct_interest_snapshot"."issue_id" = "issue"."id"
2238 AND "direct_interest_snapshot"."event" = "issue"."latest_snapshot_event"
2239 AND "direct_interest_snapshot"."member_id" = "opinion"."member_id";
2241 COMMENT ON VIEW "individual_suggestion_ranking" IS 'Helper view for "lf_update_suggestion_order" to allow a proportional ordering of suggestions within an initiative';
2244 CREATE VIEW "battle_participant" AS
2245 SELECT "initiative"."id", "initiative"."issue_id"
2246 FROM "issue" JOIN "initiative"
2247 ON "issue"."id" = "initiative"."issue_id"
2248 WHERE "initiative"."admitted"
2249 UNION ALL
2250 SELECT NULL, "id" AS "issue_id"
2251 FROM "issue";
2253 COMMENT ON VIEW "battle_participant" IS 'Helper view for "battle_view" containing admitted initiatives plus virtual "status-quo" initiative denoted by NULL reference';
2256 CREATE VIEW "battle_view" AS
2257 SELECT
2258 "issue"."id" AS "issue_id",
2259 "winning_initiative"."id" AS "winning_initiative_id",
2260 "losing_initiative"."id" AS "losing_initiative_id",
2261 sum(
2262 CASE WHEN
2263 coalesce("better_vote"."grade", 0) >
2264 coalesce("worse_vote"."grade", 0)
2265 THEN "direct_voter"."weight" ELSE 0 END
2266 ) AS "count"
2267 FROM "issue"
2268 LEFT JOIN "direct_voter"
2269 ON "issue"."id" = "direct_voter"."issue_id"
2270 JOIN "battle_participant" AS "winning_initiative"
2271 ON "issue"."id" = "winning_initiative"."issue_id"
2272 JOIN "battle_participant" AS "losing_initiative"
2273 ON "issue"."id" = "losing_initiative"."issue_id"
2274 LEFT JOIN "vote" AS "better_vote"
2275 ON "direct_voter"."member_id" = "better_vote"."member_id"
2276 AND "winning_initiative"."id" = "better_vote"."initiative_id"
2277 LEFT JOIN "vote" AS "worse_vote"
2278 ON "direct_voter"."member_id" = "worse_vote"."member_id"
2279 AND "losing_initiative"."id" = "worse_vote"."initiative_id"
2280 WHERE "issue"."state" = 'voting'
2281 AND "issue"."phase_finished" NOTNULL
2282 AND (
2283 "winning_initiative"."id" != "losing_initiative"."id" OR
2284 ( ("winning_initiative"."id" NOTNULL AND "losing_initiative"."id" ISNULL) OR
2285 ("winning_initiative"."id" ISNULL AND "losing_initiative"."id" NOTNULL) ) )
2286 GROUP BY
2287 "issue"."id",
2288 "winning_initiative"."id",
2289 "losing_initiative"."id";
2291 COMMENT ON VIEW "battle_view" IS 'Number of members preferring one initiative (or status-quo) to another initiative (or status-quo); Used to fill "battle" table';
2294 CREATE VIEW "expired_session" AS
2295 SELECT * FROM "session" WHERE now() > "expiry";
2297 CREATE RULE "delete" AS ON DELETE TO "expired_session" DO INSTEAD
2298 DELETE FROM "session" WHERE "ident" = OLD."ident";
2300 COMMENT ON VIEW "expired_session" IS 'View containing all expired sessions where DELETE is possible';
2301 COMMENT ON RULE "delete" ON "expired_session" IS 'Rule allowing DELETE on rows in "expired_session" view, i.e. DELETE FROM "expired_session"';
2304 CREATE VIEW "open_issue" AS
2305 SELECT * FROM "issue" WHERE "closed" ISNULL;
2307 COMMENT ON VIEW "open_issue" IS 'All open issues';
2310 CREATE VIEW "member_contingent" AS
2311 SELECT
2312 "member"."id" AS "member_id",
2313 "contingent"."polling",
2314 "contingent"."time_frame",
2315 CASE WHEN "contingent"."text_entry_limit" NOTNULL THEN
2317 SELECT count(1) FROM "draft"
2318 JOIN "initiative" ON "initiative"."id" = "draft"."initiative_id"
2319 WHERE "draft"."author_id" = "member"."id"
2320 AND "initiative"."polling" = "contingent"."polling"
2321 AND "draft"."created" > now() - "contingent"."time_frame"
2322 ) + (
2323 SELECT count(1) FROM "suggestion"
2324 JOIN "initiative" ON "initiative"."id" = "suggestion"."initiative_id"
2325 WHERE "suggestion"."author_id" = "member"."id"
2326 AND "contingent"."polling" = FALSE
2327 AND "suggestion"."created" > now() - "contingent"."time_frame"
2329 ELSE NULL END AS "text_entry_count",
2330 "contingent"."text_entry_limit",
2331 CASE WHEN "contingent"."initiative_limit" NOTNULL THEN (
2332 SELECT count(1) FROM "opening_draft" AS "draft"
2333 JOIN "initiative" ON "initiative"."id" = "draft"."initiative_id"
2334 WHERE "draft"."author_id" = "member"."id"
2335 AND "initiative"."polling" = "contingent"."polling"
2336 AND "draft"."created" > now() - "contingent"."time_frame"
2337 ) ELSE NULL END AS "initiative_count",
2338 "contingent"."initiative_limit"
2339 FROM "member" CROSS JOIN "contingent";
2341 COMMENT ON VIEW "member_contingent" IS 'Actual counts of text entries and initiatives are calculated per member for each limit in the "contingent" table.';
2343 COMMENT ON COLUMN "member_contingent"."text_entry_count" IS 'Only calculated when "text_entry_limit" is not null in the same row';
2344 COMMENT ON COLUMN "member_contingent"."initiative_count" IS 'Only calculated when "initiative_limit" is not null in the same row';
2347 CREATE VIEW "member_contingent_left" AS
2348 SELECT
2349 "member_id",
2350 "polling",
2351 max("text_entry_limit" - "text_entry_count") AS "text_entries_left",
2352 max("initiative_limit" - "initiative_count") AS "initiatives_left"
2353 FROM "member_contingent" GROUP BY "member_id", "polling";
2355 COMMENT ON VIEW "member_contingent_left" IS 'Amount of text entries or initiatives which can be posted now instantly by a member. This view should be used by a frontend to determine, if the contingent for posting is exhausted.';
2358 CREATE VIEW "event_for_notification" AS
2359 SELECT
2360 "member"."id" AS "recipient_id",
2361 "event".*
2362 FROM "member" CROSS JOIN "event"
2363 JOIN "issue" ON "issue"."id" = "event"."issue_id"
2364 JOIN "area" ON "area"."id" = "issue"."area_id"
2365 LEFT JOIN "privilege" ON
2366 "privilege"."member_id" = "member"."id" AND
2367 "privilege"."unit_id" = "area"."unit_id" AND
2368 "privilege"."voting_right" = TRUE
2369 LEFT JOIN "subscription" ON
2370 "subscription"."member_id" = "member"."id" AND
2371 "subscription"."unit_id" = "area"."unit_id"
2372 LEFT JOIN "ignored_area" ON
2373 "ignored_area"."member_id" = "member"."id" AND
2374 "ignored_area"."area_id" = "issue"."area_id"
2375 LEFT JOIN "interest" ON
2376 "interest"."member_id" = "member"."id" AND
2377 "interest"."issue_id" = "event"."issue_id"
2378 LEFT JOIN "supporter" ON
2379 "supporter"."member_id" = "member"."id" AND
2380 "supporter"."initiative_id" = "event"."initiative_id"
2381 WHERE ("privilege"."member_id" NOTNULL OR "subscription"."member_id" NOTNULL)
2382 AND ("ignored_area"."member_id" ISNULL OR "interest"."member_id" NOTNULL)
2383 AND (
2384 "event"."event" = 'issue_state_changed'::"event_type" OR
2385 ( "event"."event" = 'initiative_revoked'::"event_type" AND
2386 "supporter"."member_id" NOTNULL ) );
2388 COMMENT ON VIEW "event_for_notification" IS 'Entries of the "event" table which are of interest for a particular notification mail recipient';
2390 COMMENT ON COLUMN "event_for_notification"."recipient_id" IS 'member_id of the recipient of a notification mail';
2393 CREATE VIEW "updated_initiative" AS
2394 SELECT
2395 "supporter"."member_id" AS "recipient_id",
2396 FALSE AS "featured",
2397 "supporter"."initiative_id"
2398 FROM "supporter"
2399 JOIN "initiative" ON "supporter"."initiative_id" = "initiative"."id"
2400 JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
2401 LEFT JOIN "notification_initiative_sent" AS "sent" ON
2402 "sent"."member_id" = "supporter"."member_id" AND
2403 "sent"."initiative_id" = "supporter"."initiative_id"
2404 LEFT JOIN "ignored_initiative" ON
2405 "ignored_initiative"."member_id" = "supporter"."member_id" AND
2406 "ignored_initiative"."initiative_id" = "supporter"."initiative_id"
2407 WHERE "issue"."state" IN ('admission', 'discussion')
2408 AND "initiative"."revoked" ISNULL
2409 AND "ignored_initiative"."member_id" ISNULL
2410 AND (
2411 EXISTS (
2412 SELECT NULL FROM "draft"
2413 LEFT JOIN "ignored_member" ON
2414 "ignored_member"."member_id" = "supporter"."member_id" AND
2415 "ignored_member"."other_member_id" = "draft"."author_id"
2416 WHERE "draft"."initiative_id" = "supporter"."initiative_id"
2417 AND "draft"."id" > "supporter"."draft_id"
2418 AND "ignored_member"."member_id" ISNULL
2419 ) OR EXISTS (
2420 SELECT NULL FROM "suggestion"
2421 LEFT JOIN "opinion" ON
2422 "opinion"."member_id" = "supporter"."member_id" AND
2423 "opinion"."suggestion_id" = "suggestion"."id"
2424 LEFT JOIN "ignored_member" ON
2425 "ignored_member"."member_id" = "supporter"."member_id" AND
2426 "ignored_member"."other_member_id" = "suggestion"."author_id"
2427 WHERE "suggestion"."initiative_id" = "supporter"."initiative_id"
2428 AND "opinion"."member_id" ISNULL
2429 AND COALESCE("suggestion"."id" > "sent"."last_suggestion_id", TRUE)
2430 AND "ignored_member"."member_id" ISNULL
2432 );
2434 COMMENT ON VIEW "updated_initiative" IS 'Helper view for view "updated_or_featured_initiative"';
2437 CREATE FUNCTION "featured_initiative"
2438 ( "recipient_id_p" "member"."id"%TYPE,
2439 "area_id_p" "area"."id"%TYPE )
2440 RETURNS SETOF "initiative"."id"%TYPE
2441 LANGUAGE 'plpgsql' STABLE AS $$
2442 DECLARE
2443 "counter_v" "member"."notification_counter"%TYPE;
2444 "sample_size_v" "member"."notification_sample_size"%TYPE;
2445 "initiative_id_ary" INT4[]; --"initiative"."id"%TYPE[]
2446 "match_v" BOOLEAN;
2447 "member_id_v" "member"."id"%TYPE;
2448 "seed_v" TEXT;
2449 "initiative_id_v" "initiative"."id"%TYPE;
2450 BEGIN
2451 SELECT "notification_counter", "notification_sample_size"
2452 INTO "counter_v", "sample_size_v"
2453 FROM "member" WHERE "id" = "recipient_id_p";
2454 "initiative_id_ary" := '{}';
2455 LOOP
2456 "match_v" := FALSE;
2457 FOR "member_id_v", "seed_v" IN
2458 SELECT * FROM (
2459 SELECT DISTINCT
2460 "supporter"."member_id",
2461 md5(
2462 "recipient_id_p" || '-' ||
2463 "counter_v" || '-' ||
2464 "area_id_p" || '-' ||
2465 "supporter"."member_id"
2466 ) AS "seed"
2467 FROM "supporter"
2468 JOIN "initiative" ON "initiative"."id" = "supporter"."initiative_id"
2469 JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
2470 WHERE "supporter"."member_id" != "recipient_id_p"
2471 AND "issue"."area_id" = "area_id_p"
2472 AND "issue"."state" IN ('admission', 'discussion', 'verification')
2473 ) AS "subquery"
2474 ORDER BY "seed"
2475 LOOP
2476 SELECT "initiative"."id" INTO "initiative_id_v"
2477 FROM "initiative"
2478 JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
2479 JOIN "area" ON "area"."id" = "issue"."area_id"
2480 JOIN "supporter" ON "supporter"."initiative_id" = "initiative"."id"
2481 LEFT JOIN "supporter" AS "self_support" ON
2482 "self_support"."initiative_id" = "initiative"."id" AND
2483 "self_support"."member_id" = "recipient_id_p"
2484 LEFT JOIN "privilege" ON
2485 "privilege"."member_id" = "recipient_id_p" AND
2486 "privilege"."unit_id" = "area"."unit_id" AND
2487 "privilege"."voting_right" = TRUE
2488 LEFT JOIN "subscription" ON
2489 "subscription"."member_id" = "recipient_id_p" AND
2490 "subscription"."unit_id" = "area"."unit_id"
2491 LEFT JOIN "ignored_initiative" ON
2492 "ignored_initiative"."member_id" = "recipient_id_p" AND
2493 "ignored_initiative"."initiative_id" = "initiative"."id"
2494 WHERE "supporter"."member_id" = "member_id_v"
2495 AND "issue"."area_id" = "area_id_p"
2496 AND "issue"."state" IN ('admission', 'discussion', 'verification')
2497 AND "initiative"."revoked" ISNULL
2498 AND "self_support"."member_id" ISNULL
2499 AND NOT "initiative_id_ary" @> ARRAY["initiative"."id"]
2500 AND (
2501 "privilege"."member_id" NOTNULL OR
2502 "subscription"."member_id" NOTNULL )
2503 AND "ignored_initiative"."member_id" ISNULL
2504 AND NOT EXISTS (
2505 SELECT NULL FROM "draft"
2506 JOIN "ignored_member" ON
2507 "ignored_member"."member_id" = "recipient_id_p" AND
2508 "ignored_member"."other_member_id" = "draft"."author_id"
2509 WHERE "draft"."initiative_id" = "initiative"."id"
2511 ORDER BY md5("seed_v" || '-' || "initiative"."id")
2512 LIMIT 1;
2513 IF FOUND THEN
2514 "match_v" := TRUE;
2515 RETURN NEXT "initiative_id_v";
2516 IF array_length("initiative_id_ary", 1) + 1 >= "sample_size_v" THEN
2517 RETURN;
2518 END IF;
2519 "initiative_id_ary" := "initiative_id_ary" || "initiative_id_v";
2520 END IF;
2521 END LOOP;
2522 EXIT WHEN NOT "match_v";
2523 END LOOP;
2524 RETURN;
2525 END;
2526 $$;
2528 COMMENT ON FUNCTION "featured_initiative"
2529 ( "recipient_id_p" "member"."id"%TYPE,
2530 "area_id_p" "area"."id"%TYPE )
2531 IS 'Helper function for view "updated_or_featured_initiative"';
2534 CREATE VIEW "updated_or_featured_initiative" AS
2535 SELECT
2536 "subquery".*,
2537 NOT EXISTS (
2538 SELECT NULL FROM "initiative" AS "better_initiative"
2539 WHERE "better_initiative"."issue_id" = "initiative"."issue_id"
2540 AND
2541 ( COALESCE("better_initiative"."supporter_count", -1),
2542 -"better_initiative"."id" ) >
2543 ( COALESCE("initiative"."supporter_count", -1),
2544 -"initiative"."id" )
2545 ) AS "leading"
2546 FROM (
2547 SELECT * FROM "updated_initiative"
2548 UNION ALL
2549 SELECT
2550 "member"."id" AS "recipient_id",
2551 TRUE AS "featured",
2552 "featured_initiative_id" AS "initiative_id"
2553 FROM "member" CROSS JOIN "area"
2554 CROSS JOIN LATERAL
2555 "featured_initiative"("member"."id", "area"."id") AS "featured_initiative_id"
2556 JOIN "initiative" ON "initiative"."id" = "featured_initiative_id"
2557 ) AS "subquery"
2558 JOIN "initiative" ON "initiative"."id" = "subquery"."initiative_id";
2560 COMMENT ON VIEW "updated_or_featured_initiative" IS 'Initiatives to be included in a scheduled notification mail because (a) they have been updated or (b) they are featured';
2562 COMMENT ON COLUMN "updated_or_featured_initiative"."recipient_id" IS '"id" of the member who receives the notification mail';
2563 COMMENT ON COLUMN "updated_or_featured_initiative"."featured" IS 'TRUE if the initiative has been included because it was selected by the "featured_initiative" algorithm (see source of function "featured_initiative")';
2564 COMMENT ON COLUMN "updated_or_featured_initiative"."initiative_id" IS '"id" of the initiative to be included in the notification mail';
2565 COMMENT ON COLUMN "updated_or_featured_initiative"."leading" IS 'TRUE if the initiative has the highest "supporter_count" in the issue';
2568 CREATE VIEW "leading_complement_initiative" AS
2569 SELECT * FROM (
2570 SELECT DISTINCT ON ("uf_initiative"."recipient_id", "initiative"."issue_id")
2571 "uf_initiative"."recipient_id",
2572 FALSE AS "featured",
2573 "uf_initiative"."initiative_id",
2574 TRUE AS "leading"
2575 FROM "updated_or_featured_initiative" AS "uf_initiative"
2576 JOIN "initiative" AS "uf_initiative_full" ON
2577 "uf_initiative_full"."id" = "uf_initiative"."initiative_id"
2578 JOIN "initiative" ON
2579 "initiative"."issue_id" = "uf_initiative_full"."issue_id"
2580 WHERE "initiative"."revoked" ISNULL
2581 ORDER BY
2582 "uf_initiative"."recipient_id",
2583 "initiative"."issue_id",
2584 "initiative"."supporter_count" DESC,
2585 "initiative"."id"
2586 ) AS "subquery"
2587 WHERE NOT EXISTS (
2588 SELECT NULL FROM "updated_or_featured_initiative" AS "other"
2589 WHERE "other"."recipient_id" = "subquery"."recipient_id"
2590 AND "other"."initiative_id" = "subquery"."initiative_id"
2591 );
2593 COMMENT ON VIEW "leading_complement_initiative" IS 'Helper view for view "unfiltered_initiative_for_notification" in order to always include the most supported initiative of an issue';
2594 COMMENT ON COLUMN "leading_complement_initiative"."featured" IS 'Always FALSE in this view';
2595 COMMENT ON COLUMN "leading_complement_initiative"."initiative_id" IS '"id" of the initiative to be included in the notification mail';
2596 COMMENT ON COLUMN "leading_complement_initiative"."leading" IS 'Always TRUE in this view';
2599 CREATE VIEW "unfiltered_initiative_for_notification" AS
2600 SELECT
2601 "subquery".*,
2602 "supporter"."member_id" NOTNULL AS "supported",
2603 CASE WHEN "supporter"."member_id" NOTNULL THEN
2604 EXISTS (
2605 SELECT NULL FROM "draft"
2606 WHERE "draft"."initiative_id" = "subquery"."initiative_id"
2607 AND "draft"."id" > "supporter"."draft_id"
2609 ELSE
2610 EXISTS (
2611 SELECT NULL FROM "draft"
2612 WHERE "draft"."initiative_id" = "subquery"."initiative_id"
2613 AND COALESCE("draft"."id" > "sent"."last_draft_id", TRUE)
2615 END AS "new_draft",
2616 CASE WHEN "supporter"."member_id" NOTNULL THEN
2617 ( SELECT count(1) FROM "suggestion"
2618 LEFT JOIN "opinion" ON
2619 "opinion"."member_id" = "supporter"."member_id" AND
2620 "opinion"."suggestion_id" = "suggestion"."id"
2621 WHERE "suggestion"."initiative_id" = "subquery"."initiative_id"
2622 AND "opinion"."member_id" ISNULL
2623 AND COALESCE("suggestion"."id" > "sent"."last_suggestion_id", TRUE)
2625 ELSE
2626 ( SELECT count(1) FROM "suggestion"
2627 WHERE "suggestion"."initiative_id" = "subquery"."initiative_id"
2628 AND COALESCE("suggestion"."id" > "sent"."last_suggestion_id", TRUE)
2630 END AS "new_suggestion_count"
2631 FROM (
2632 SELECT * FROM "updated_or_featured_initiative"
2633 UNION ALL
2634 SELECT * FROM "leading_complement_initiative"
2635 ) AS "subquery"
2636 LEFT JOIN "supporter" ON
2637 "supporter"."member_id" = "subquery"."recipient_id" AND
2638 "supporter"."initiative_id" = "subquery"."initiative_id"
2639 LEFT JOIN "notification_initiative_sent" AS "sent" ON
2640 "sent"."member_id" = "subquery"."recipient_id" AND
2641 "sent"."initiative_id" = "subquery"."initiative_id";
2643 COMMENT ON VIEW "unfiltered_initiative_for_notification" IS 'Helper view which simply combines the views "updated_or_featured_initiative" and "leading_complement_initiative" and adds columns "supported", "new_draft", and "new_suggestion_count';
2645 COMMENT ON COLUMN "unfiltered_initiative_for_notification"."supported" IS 'TRUE if initiative is supported by the recipient';
2646 COMMENT ON COLUMN "unfiltered_initiative_for_notification"."new_draft" IS 'TRUE if a new draft exists (using the "draft_id" column of the "supporter" table in case of "supported" initiatives and the "last_draft_id" column of the "notification_initiative_sent" table in all other cases)';
2647 COMMENT ON COLUMN "unfiltered_initiative_for_notification"."new_suggestion_count" IS 'Number of new suggestions (using the "last_suggestion_id" column of the "notification_initiative_sent" table while ignoring suggestions with an "opinion")';
2650 CREATE VIEW "initiative_for_notification" AS
2651 SELECT "unfiltered1".*
2652 FROM "unfiltered_initiative_for_notification" "unfiltered1"
2653 JOIN "initiative" AS "initiative1" ON
2654 "initiative1"."id" = "unfiltered1"."initiative_id"
2655 JOIN "issue" AS "issue1" ON "issue1"."id" = "initiative1"."issue_id"
2656 WHERE EXISTS (
2657 SELECT NULL
2658 FROM "unfiltered_initiative_for_notification" "unfiltered2"
2659 JOIN "initiative" AS "initiative2" ON
2660 "initiative2"."id" = "unfiltered2"."initiative_id"
2661 JOIN "issue" AS "issue2" ON "issue2"."id" = "initiative2"."issue_id"
2662 WHERE "unfiltered1"."recipient_id" = "unfiltered2"."recipient_id"
2663 AND "issue1"."area_id" = "issue2"."area_id"
2664 AND ("unfiltered2"."new_draft" OR "unfiltered2"."new_suggestion_count" > 0 )
2665 );
2667 COMMENT ON VIEW "initiative_for_notification" IS 'Initiatives to be included in a scheduled notification mail';
2669 COMMENT ON COLUMN "initiative_for_notification"."recipient_id" IS '"id" of the member who receives the notification mail';
2670 COMMENT ON COLUMN "initiative_for_notification"."featured" IS 'TRUE if the initiative has been included because it was selected by the "featured_initiative" algorithm (see source of function "featured_initiative")';
2671 COMMENT ON COLUMN "initiative_for_notification"."initiative_id" IS '"id" of the initiative to be included in the notification mail';
2672 COMMENT ON COLUMN "initiative_for_notification"."leading" IS 'TRUE if the initiative has the highest "supporter_count" in the issue';
2673 COMMENT ON COLUMN "initiative_for_notification"."supported" IS 'TRUE if initiative is supported by the recipient';
2674 COMMENT ON COLUMN "initiative_for_notification"."new_draft" IS 'TRUE if a new draft exists (using the "draft_id" column of the "supporter" table in case of "supported" initiatives and the "last_draft_id" column of the "notification_initiative_sent" table in all other cases)';
2675 COMMENT ON COLUMN "initiative_for_notification"."new_suggestion_count" IS 'Number of new suggestions (using the "last_suggestion_id" column of the "notification_initiative_sent" table while ignoring suggestions with an "opinion")';
2678 CREATE VIEW "scheduled_notification_to_send" AS
2679 SELECT * FROM (
2680 SELECT
2681 "id" AS "recipient_id",
2682 now() - CASE WHEN "notification_dow" ISNULL THEN
2683 ( "notification_sent"::DATE + CASE
2684 WHEN EXTRACT(HOUR FROM "notification_sent") < "notification_hour"
2685 THEN 0 ELSE 1 END
2686 )::TIMESTAMP + '1 hour'::INTERVAL * "notification_hour"
2687 ELSE
2688 ( "notification_sent"::DATE +
2689 ( 7 + "notification_dow" -
2690 EXTRACT(DOW FROM
2691 ( "notification_sent"::DATE + CASE
2692 WHEN EXTRACT(HOUR FROM "notification_sent") < "notification_hour"
2693 THEN 0 ELSE 1 END
2694 )::TIMESTAMP + '1 hour'::INTERVAL * "notification_hour"
2695 )::INTEGER
2696 ) % 7 +
2697 CASE
2698 WHEN EXTRACT(HOUR FROM "notification_sent") < "notification_hour"
2699 THEN 0 ELSE 1
2700 END
2701 )::TIMESTAMP + '1 hour'::INTERVAL * "notification_hour"
2702 END AS "pending"
2703 FROM (
2704 SELECT
2705 "id",
2706 COALESCE("notification_sent", "activated") AS "notification_sent",
2707 "notification_dow",
2708 "notification_hour"
2709 FROM "member"
2710 WHERE "disable_notifications" = FALSE
2711 AND "notification_hour" NOTNULL
2712 ) AS "subquery1"
2713 ) AS "subquery2"
2714 WHERE "pending" > '0'::INTERVAL;
2716 COMMENT ON VIEW "scheduled_notification_to_send" IS 'Set of members where a scheduled notification mail is pending';
2718 COMMENT ON COLUMN "scheduled_notification_to_send"."recipient_id" IS '"id" of the member who needs to receive a notification mail';
2719 COMMENT ON COLUMN "scheduled_notification_to_send"."pending" IS 'Duration for which the notification mail has already been pending';
2722 CREATE VIEW "newsletter_to_send" AS
2723 SELECT
2724 "member"."id" AS "recipient_id",
2725 "newsletter"."id" AS "newsletter_id"
2726 FROM "newsletter" CROSS JOIN "member"
2727 LEFT JOIN "privilege" ON
2728 "privilege"."member_id" = "member"."id" AND
2729 "privilege"."unit_id" = "newsletter"."unit_id" AND
2730 "privilege"."voting_right" = TRUE
2731 LEFT JOIN "subscription" ON
2732 "subscription"."member_id" = "member"."id" AND
2733 "subscription"."unit_id" = "newsletter"."unit_id"
2734 WHERE "newsletter"."published" <= now()
2735 AND "newsletter"."sent" ISNULL
2736 AND "member"."locked" = FALSE
2737 AND (
2738 "member"."disable_notifications" = FALSE OR
2739 "newsletter"."include_all_members" = TRUE )
2740 AND (
2741 "newsletter"."unit_id" ISNULL OR
2742 "privilege"."member_id" NOTNULL OR
2743 "subscription"."member_id" NOTNULL );
2745 COMMENT ON VIEW "newsletter_to_send" IS 'List of "newsletter_id"s for each member that are due to be sent out';
2749 ------------------------------------------------------
2750 -- Row set returning function for delegation chains --
2751 ------------------------------------------------------
2754 CREATE TYPE "delegation_chain_loop_tag" AS ENUM
2755 ('first', 'intermediate', 'last', 'repetition');
2757 COMMENT ON TYPE "delegation_chain_loop_tag" IS 'Type for loop tags in "delegation_chain_row" type';
2760 CREATE TYPE "delegation_chain_row" AS (
2761 "index" INT4,
2762 "member_id" INT4,
2763 "member_valid" BOOLEAN,
2764 "participation" BOOLEAN,
2765 "overridden" BOOLEAN,
2766 "scope_in" "delegation_scope",
2767 "scope_out" "delegation_scope",
2768 "disabled_out" BOOLEAN,
2769 "loop" "delegation_chain_loop_tag" );
2771 COMMENT ON TYPE "delegation_chain_row" IS 'Type of rows returned by "delegation_chain" function';
2773 COMMENT ON COLUMN "delegation_chain_row"."index" IS 'Index starting with 0 and counting up';
2774 COMMENT ON COLUMN "delegation_chain_row"."participation" IS 'In case of delegation chains for issues: interest, for areas: membership, for global delegation chains: always null';
2775 COMMENT ON COLUMN "delegation_chain_row"."overridden" IS 'True, if an entry with lower index has "participation" set to true';
2776 COMMENT ON COLUMN "delegation_chain_row"."scope_in" IS 'Scope of used incoming delegation';
2777 COMMENT ON COLUMN "delegation_chain_row"."scope_out" IS 'Scope of used outgoing delegation';
2778 COMMENT ON COLUMN "delegation_chain_row"."disabled_out" IS 'Outgoing delegation is explicitly disabled by a delegation with trustee_id set to NULL';
2779 COMMENT ON COLUMN "delegation_chain_row"."loop" IS 'Not null, if member is part of a loop, see "delegation_chain_loop_tag" type';
2782 CREATE FUNCTION "delegation_chain_for_closed_issue"
2783 ( "member_id_p" "member"."id"%TYPE,
2784 "issue_id_p" "issue"."id"%TYPE )
2785 RETURNS SETOF "delegation_chain_row"
2786 LANGUAGE 'plpgsql' STABLE AS $$
2787 DECLARE
2788 "output_row" "delegation_chain_row";
2789 "direct_voter_row" "direct_voter"%ROWTYPE;
2790 "delegating_voter_row" "delegating_voter"%ROWTYPE;
2791 BEGIN
2792 "output_row"."index" := 0;
2793 "output_row"."member_id" := "member_id_p";
2794 "output_row"."member_valid" := TRUE;
2795 "output_row"."participation" := FALSE;
2796 "output_row"."overridden" := FALSE;
2797 "output_row"."disabled_out" := FALSE;
2798 LOOP
2799 SELECT INTO "direct_voter_row" * FROM "direct_voter"
2800 WHERE "issue_id" = "issue_id_p"
2801 AND "member_id" = "output_row"."member_id";
2802 IF "direct_voter_row"."member_id" NOTNULL THEN
2803 "output_row"."participation" := TRUE;
2804 "output_row"."scope_out" := NULL;
2805 "output_row"."disabled_out" := NULL;
2806 RETURN NEXT "output_row";
2807 RETURN;
2808 END IF;
2809 SELECT INTO "delegating_voter_row" * FROM "delegating_voter"
2810 WHERE "issue_id" = "issue_id_p"
2811 AND "member_id" = "output_row"."member_id";
2812 IF "delegating_voter_row"."member_id" ISNULL THEN
2813 RETURN;
2814 END IF;
2815 "output_row"."scope_out" := "delegating_voter_row"."scope";
2816 RETURN NEXT "output_row";
2817 "output_row"."member_id" := "delegating_voter_row"."delegate_member_ids"[1];
2818 "output_row"."scope_in" := "output_row"."scope_out";
2819 END LOOP;
2820 END;
2821 $$;
2823 COMMENT ON FUNCTION "delegation_chain_for_closed_issue"
2824 ( "member"."id"%TYPE,
2825 "member"."id"%TYPE )
2826 IS 'Helper function for "delegation_chain" function, handling the special case of closed issues after voting';
2829 CREATE FUNCTION "delegation_chain"
2830 ( "member_id_p" "member"."id"%TYPE,
2831 "unit_id_p" "unit"."id"%TYPE,
2832 "area_id_p" "area"."id"%TYPE,
2833 "issue_id_p" "issue"."id"%TYPE,
2834 "simulate_trustee_id_p" "member"."id"%TYPE DEFAULT NULL,
2835 "simulate_default_p" BOOLEAN DEFAULT FALSE )
2836 RETURNS SETOF "delegation_chain_row"
2837 LANGUAGE 'plpgsql' STABLE AS $$
2838 DECLARE
2839 "scope_v" "delegation_scope";
2840 "unit_id_v" "unit"."id"%TYPE;
2841 "area_id_v" "area"."id"%TYPE;
2842 "issue_row" "issue"%ROWTYPE;
2843 "visited_member_ids" INT4[]; -- "member"."id"%TYPE[]
2844 "loop_member_id_v" "member"."id"%TYPE;
2845 "output_row" "delegation_chain_row";
2846 "output_rows" "delegation_chain_row"[];
2847 "simulate_v" BOOLEAN;
2848 "simulate_here_v" BOOLEAN;
2849 "delegation_row" "delegation"%ROWTYPE;
2850 "row_count" INT4;
2851 "i" INT4;
2852 "loop_v" BOOLEAN;
2853 BEGIN
2854 IF "simulate_trustee_id_p" NOTNULL AND "simulate_default_p" THEN
2855 RAISE EXCEPTION 'Both "simulate_trustee_id_p" is set, and "simulate_default_p" is true';
2856 END IF;
2857 IF "simulate_trustee_id_p" NOTNULL OR "simulate_default_p" THEN
2858 "simulate_v" := TRUE;
2859 ELSE
2860 "simulate_v" := FALSE;
2861 END IF;
2862 IF
2863 "unit_id_p" NOTNULL AND
2864 "area_id_p" ISNULL AND
2865 "issue_id_p" ISNULL
2866 THEN
2867 "scope_v" := 'unit';
2868 "unit_id_v" := "unit_id_p";
2869 ELSIF
2870 "unit_id_p" ISNULL AND
2871 "area_id_p" NOTNULL AND
2872 "issue_id_p" ISNULL
2873 THEN
2874 "scope_v" := 'area';
2875 "area_id_v" := "area_id_p";
2876 SELECT "unit_id" INTO "unit_id_v"
2877 FROM "area" WHERE "id" = "area_id_v";
2878 ELSIF
2879 "unit_id_p" ISNULL AND
2880 "area_id_p" ISNULL AND
2881 "issue_id_p" NOTNULL
2882 THEN
2883 SELECT INTO "issue_row" * FROM "issue" WHERE "id" = "issue_id_p";
2884 IF "issue_row"."id" ISNULL THEN
2885 RETURN;
2886 END IF;
2887 IF "issue_row"."closed" NOTNULL THEN
2888 IF "simulate_v" THEN
2889 RAISE EXCEPTION 'Tried to simulate delegation chain for closed issue.';
2890 END IF;
2891 FOR "output_row" IN
2892 SELECT * FROM
2893 "delegation_chain_for_closed_issue"("member_id_p", "issue_id_p")
2894 LOOP
2895 RETURN NEXT "output_row";
2896 END LOOP;
2897 RETURN;
2898 END IF;
2899 "scope_v" := 'issue';
2900 SELECT "area_id" INTO "area_id_v"
2901 FROM "issue" WHERE "id" = "issue_id_p";
2902 SELECT "unit_id" INTO "unit_id_v"
2903 FROM "area" WHERE "id" = "area_id_v";
2904 ELSE
2905 RAISE EXCEPTION 'Exactly one of unit_id_p, area_id_p, or issue_id_p must be NOTNULL.';
2906 END IF;
2907 "visited_member_ids" := '{}';
2908 "loop_member_id_v" := NULL;
2909 "output_rows" := '{}';
2910 "output_row"."index" := 0;
2911 "output_row"."member_id" := "member_id_p";
2912 "output_row"."member_valid" := TRUE;
2913 "output_row"."participation" := FALSE;
2914 "output_row"."overridden" := FALSE;
2915 "output_row"."disabled_out" := FALSE;
2916 "output_row"."scope_out" := NULL;
2917 LOOP
2918 IF "visited_member_ids" @> ARRAY["output_row"."member_id"] THEN
2919 "loop_member_id_v" := "output_row"."member_id";
2920 ELSE
2921 "visited_member_ids" :=
2922 "visited_member_ids" || "output_row"."member_id";
2923 END IF;
2924 IF "output_row"."participation" ISNULL THEN
2925 "output_row"."overridden" := NULL;
2926 ELSIF "output_row"."participation" THEN
2927 "output_row"."overridden" := TRUE;
2928 END IF;
2929 "output_row"."scope_in" := "output_row"."scope_out";
2930 "output_row"."member_valid" := EXISTS (
2931 SELECT NULL FROM "member" JOIN "privilege"
2932 ON "privilege"."member_id" = "member"."id"
2933 AND "privilege"."unit_id" = "unit_id_v"
2934 WHERE "id" = "output_row"."member_id"
2935 AND "member"."active" AND "privilege"."voting_right"
2936 );
2937 "simulate_here_v" := (
2938 "simulate_v" AND
2939 "output_row"."member_id" = "member_id_p"
2940 );
2941 "delegation_row" := ROW(NULL);
2942 IF "output_row"."member_valid" OR "simulate_here_v" THEN
2943 IF "scope_v" = 'unit' THEN
2944 IF NOT "simulate_here_v" THEN
2945 SELECT * INTO "delegation_row" FROM "delegation"
2946 WHERE "truster_id" = "output_row"."member_id"
2947 AND "unit_id" = "unit_id_v";
2948 END IF;
2949 ELSIF "scope_v" = 'area' THEN
2950 "output_row"."participation" := EXISTS (
2951 SELECT NULL FROM "membership"
2952 WHERE "area_id" = "area_id_p"
2953 AND "member_id" = "output_row"."member_id"
2954 );
2955 IF "simulate_here_v" THEN
2956 IF "simulate_trustee_id_p" ISNULL THEN
2957 SELECT * INTO "delegation_row" FROM "delegation"
2958 WHERE "truster_id" = "output_row"."member_id"
2959 AND "unit_id" = "unit_id_v";
2960 END IF;
2961 ELSE
2962 SELECT * INTO "delegation_row" FROM "delegation"
2963 WHERE "truster_id" = "output_row"."member_id"
2964 AND (
2965 "unit_id" = "unit_id_v" OR
2966 "area_id" = "area_id_v"
2968 ORDER BY "scope" DESC;
2969 END IF;
2970 ELSIF "scope_v" = 'issue' THEN
2971 IF "issue_row"."fully_frozen" ISNULL THEN
2972 "output_row"."participation" := EXISTS (
2973 SELECT NULL FROM "interest"
2974 WHERE "issue_id" = "issue_id_p"
2975 AND "member_id" = "output_row"."member_id"
2976 );
2977 ELSE
2978 IF "output_row"."member_id" = "member_id_p" THEN
2979 "output_row"."participation" := EXISTS (
2980 SELECT NULL FROM "direct_voter"
2981 WHERE "issue_id" = "issue_id_p"
2982 AND "member_id" = "output_row"."member_id"
2983 );
2984 ELSE
2985 "output_row"."participation" := NULL;
2986 END IF;
2987 END IF;
2988 IF "simulate_here_v" THEN
2989 IF "simulate_trustee_id_p" ISNULL THEN
2990 SELECT * INTO "delegation_row" FROM "delegation"
2991 WHERE "truster_id" = "output_row"."member_id"
2992 AND (
2993 "unit_id" = "unit_id_v" OR
2994 "area_id" = "area_id_v"
2996 ORDER BY "scope" DESC;
2997 END IF;
2998 ELSE
2999 SELECT * INTO "delegation_row" FROM "delegation"
3000 WHERE "truster_id" = "output_row"."member_id"
3001 AND (
3002 "unit_id" = "unit_id_v" OR
3003 "area_id" = "area_id_v" OR
3004 "issue_id" = "issue_id_p"
3006 ORDER BY "scope" DESC;
3007 END IF;
3008 END IF;
3009 ELSE
3010 "output_row"."participation" := FALSE;
3011 END IF;
3012 IF "simulate_here_v" AND "simulate_trustee_id_p" NOTNULL THEN
3013 "output_row"."scope_out" := "scope_v";
3014 "output_rows" := "output_rows" || "output_row";
3015 "output_row"."member_id" := "simulate_trustee_id_p";
3016 ELSIF "delegation_row"."trustee_id" NOTNULL THEN
3017 "output_row"."scope_out" := "delegation_row"."scope";
3018 "output_rows" := "output_rows" || "output_row";
3019 "output_row"."member_id" := "delegation_row"."trustee_id";
3020 ELSIF "delegation_row"."scope" NOTNULL THEN
3021 "output_row"."scope_out" := "delegation_row"."scope";
3022 "output_row"."disabled_out" := TRUE;
3023 "output_rows" := "output_rows" || "output_row";
3024 EXIT;
3025 ELSE
3026 "output_row"."scope_out" := NULL;
3027 "output_rows" := "output_rows" || "output_row";
3028 EXIT;
3029 END IF;
3030 EXIT WHEN "loop_member_id_v" NOTNULL;
3031 "output_row"."index" := "output_row"."index" + 1;
3032 END LOOP;
3033 "row_count" := array_upper("output_rows", 1);
3034 "i" := 1;
3035 "loop_v" := FALSE;
3036 LOOP
3037 "output_row" := "output_rows"["i"];
3038 EXIT WHEN "output_row" ISNULL; -- NOTE: ISNULL and NOT ... NOTNULL produce different results!
3039 IF "loop_v" THEN
3040 IF "i" + 1 = "row_count" THEN
3041 "output_row"."loop" := 'last';
3042 ELSIF "i" = "row_count" THEN
3043 "output_row"."loop" := 'repetition';
3044 ELSE
3045 "output_row"."loop" := 'intermediate';
3046 END IF;
3047 ELSIF "output_row"."member_id" = "loop_member_id_v" THEN
3048 "output_row"."loop" := 'first';
3049 "loop_v" := TRUE;
3050 END IF;
3051 IF "scope_v" = 'unit' THEN
3052 "output_row"."participation" := NULL;
3053 END IF;
3054 RETURN NEXT "output_row";
3055 "i" := "i" + 1;
3056 END LOOP;
3057 RETURN;
3058 END;
3059 $$;
3061 COMMENT ON FUNCTION "delegation_chain"
3062 ( "member"."id"%TYPE,
3063 "unit"."id"%TYPE,
3064 "area"."id"%TYPE,
3065 "issue"."id"%TYPE,
3066 "member"."id"%TYPE,
3067 BOOLEAN )
3068 IS 'Shows a delegation chain for unit, area, or issue; See "delegation_chain_row" type for more information';
3072 ---------------------------------------------------------
3073 -- Single row returning function for delegation chains --
3074 ---------------------------------------------------------
3077 CREATE TYPE "delegation_info_loop_type" AS ENUM
3078 ('own', 'first', 'first_ellipsis', 'other', 'other_ellipsis');
3080 COMMENT ON TYPE "delegation_info_loop_type" IS 'Type of "delegation_loop" in "delegation_info_type"; ''own'' means loop to self, ''first'' means loop to first trustee, ''first_ellipsis'' means loop to ellipsis after first trustee, ''other'' means loop to other trustee, ''other_ellipsis'' means loop to ellipsis after other trustee''';
3083 CREATE TYPE "delegation_info_type" AS (
3084 "own_participation" BOOLEAN,
3085 "own_delegation_scope" "delegation_scope",
3086 "first_trustee_id" INT4,
3087 "first_trustee_participation" BOOLEAN,
3088 "first_trustee_ellipsis" BOOLEAN,
3089 "other_trustee_id" INT4,
3090 "other_trustee_participation" BOOLEAN,
3091 "other_trustee_ellipsis" BOOLEAN,
3092 "delegation_loop" "delegation_info_loop_type",
3093 "participating_member_id" INT4 );
3095 COMMENT ON TYPE "delegation_info_type" IS 'Type of result returned by "delegation_info" function; For meaning of "participation" check comment on "delegation_chain_row" type';
3097 COMMENT ON COLUMN "delegation_info_type"."own_participation" IS 'Member is directly participating';
3098 COMMENT ON COLUMN "delegation_info_type"."own_delegation_scope" IS 'Delegation scope of member';
3099 COMMENT ON COLUMN "delegation_info_type"."first_trustee_id" IS 'Direct trustee of member';
3100 COMMENT ON COLUMN "delegation_info_type"."first_trustee_participation" IS 'Direct trustee of member is participating';
3101 COMMENT ON COLUMN "delegation_info_type"."first_trustee_ellipsis" IS 'Ellipsis in delegation chain after "first_trustee"';
3102 COMMENT ON COLUMN "delegation_info_type"."other_trustee_id" IS 'Another relevant trustee (due to participation)';
3103 COMMENT ON COLUMN "delegation_info_type"."other_trustee_participation" IS 'Another trustee is participating (redundant field: if "other_trustee_id" is set, then "other_trustee_participation" is always TRUE, else "other_trustee_participation" is NULL)';
3104 COMMENT ON COLUMN "delegation_info_type"."other_trustee_ellipsis" IS 'Ellipsis in delegation chain after "other_trustee"';
3105 COMMENT ON COLUMN "delegation_info_type"."delegation_loop" IS 'Non-NULL value, if delegation chain contains a circle; See comment on "delegation_info_loop_type" for details';
3106 COMMENT ON COLUMN "delegation_info_type"."participating_member_id" IS 'First participating member in delegation chain';
3109 CREATE FUNCTION "delegation_info"
3110 ( "member_id_p" "member"."id"%TYPE,
3111 "unit_id_p" "unit"."id"%TYPE,
3112 "area_id_p" "area"."id"%TYPE,
3113 "issue_id_p" "issue"."id"%TYPE,
3114 "simulate_trustee_id_p" "member"."id"%TYPE DEFAULT NULL,
3115 "simulate_default_p" BOOLEAN DEFAULT FALSE )
3116 RETURNS "delegation_info_type"
3117 LANGUAGE 'plpgsql' STABLE AS $$
3118 DECLARE
3119 "current_row" "delegation_chain_row";
3120 "result" "delegation_info_type";
3121 BEGIN
3122 "result"."own_participation" := FALSE;
3123 FOR "current_row" IN
3124 SELECT * FROM "delegation_chain"(
3125 "member_id_p",
3126 "unit_id_p", "area_id_p", "issue_id_p",
3127 "simulate_trustee_id_p", "simulate_default_p")
3128 LOOP
3129 IF
3130 "result"."participating_member_id" ISNULL AND
3131 "current_row"."participation"
3132 THEN
3133 "result"."participating_member_id" := "current_row"."member_id";
3134 END IF;
3135 IF "current_row"."member_id" = "member_id_p" THEN
3136 "result"."own_participation" := "current_row"."participation";
3137 "result"."own_delegation_scope" := "current_row"."scope_out";
3138 IF "current_row"."loop" = 'first' THEN
3139 "result"."delegation_loop" := 'own';
3140 END IF;
3141 ELSIF
3142 "current_row"."member_valid" AND
3143 ( "current_row"."loop" ISNULL OR
3144 "current_row"."loop" != 'repetition' )
3145 THEN
3146 IF "result"."first_trustee_id" ISNULL THEN
3147 "result"."first_trustee_id" := "current_row"."member_id";
3148 "result"."first_trustee_participation" := "current_row"."participation";
3149 "result"."first_trustee_ellipsis" := FALSE;
3150 IF "current_row"."loop" = 'first' THEN
3151 "result"."delegation_loop" := 'first';
3152 END IF;
3153 ELSIF "result"."other_trustee_id" ISNULL THEN
3154 IF "current_row"."participation" AND NOT "current_row"."overridden" THEN
3155 "result"."other_trustee_id" := "current_row"."member_id";
3156 "result"."other_trustee_participation" := TRUE;
3157 "result"."other_trustee_ellipsis" := FALSE;
3158 IF "current_row"."loop" = 'first' THEN
3159 "result"."delegation_loop" := 'other';
3160 END IF;
3161 ELSE
3162 "result"."first_trustee_ellipsis" := TRUE;
3163 IF "current_row"."loop" = 'first' THEN
3164 "result"."delegation_loop" := 'first_ellipsis';
3165 END IF;
3166 END IF;
3167 ELSE
3168 "result"."other_trustee_ellipsis" := TRUE;
3169 IF "current_row"."loop" = 'first' THEN
3170 "result"."delegation_loop" := 'other_ellipsis';
3171 END IF;
3172 END IF;
3173 END IF;
3174 END LOOP;
3175 RETURN "result";
3176 END;
3177 $$;
3179 COMMENT ON FUNCTION "delegation_info"
3180 ( "member"."id"%TYPE,
3181 "unit"."id"%TYPE,
3182 "area"."id"%TYPE,
3183 "issue"."id"%TYPE,
3184 "member"."id"%TYPE,
3185 BOOLEAN )
3186 IS 'Notable information about a delegation chain for unit, area, or issue; See "delegation_info_type" for more information';
3190 ---------------------------
3191 -- Transaction isolation --
3192 ---------------------------
3195 CREATE FUNCTION "require_transaction_isolation"()
3196 RETURNS VOID
3197 LANGUAGE 'plpgsql' VOLATILE AS $$
3198 BEGIN
3199 IF
3200 current_setting('transaction_isolation') NOT IN
3201 ('repeatable read', 'serializable')
3202 THEN
3203 RAISE EXCEPTION 'Insufficient transaction isolation level' USING
3204 HINT = 'Consider using SET TRANSACTION ISOLATION LEVEL REPEATABLE READ.';
3205 END IF;
3206 RETURN;
3207 END;
3208 $$;
3210 COMMENT ON FUNCTION "require_transaction_isolation"() IS 'Throws an exception, if transaction isolation level is too low to provide a consistent snapshot';
3213 CREATE FUNCTION "dont_require_transaction_isolation"()
3214 RETURNS VOID
3215 LANGUAGE 'plpgsql' VOLATILE AS $$
3216 BEGIN
3217 IF
3218 current_setting('transaction_isolation') IN
3219 ('repeatable read', 'serializable')
3220 THEN
3221 RAISE WARNING 'Unneccessary transaction isolation level: %',
3222 current_setting('transaction_isolation');
3223 END IF;
3224 RETURN;
3225 END;
3226 $$;
3228 COMMENT ON FUNCTION "dont_require_transaction_isolation"() IS 'Raises a warning, if transaction isolation level is higher than READ COMMITTED';
3232 -------------------------
3233 -- Notification system --
3234 -------------------------
3236 CREATE FUNCTION "get_initiatives_for_notification"
3237 ( "recipient_id_p" "member"."id"%TYPE )
3238 RETURNS SETOF "initiative_for_notification"
3239 LANGUAGE 'plpgsql' VOLATILE AS $$
3240 DECLARE
3241 "result_row" "initiative_for_notification"%ROWTYPE;
3242 "last_draft_id_v" "draft"."id"%TYPE;
3243 "last_suggestion_id_v" "suggestion"."id"%TYPE;
3244 BEGIN
3245 PERFORM "require_transaction_isolation"();
3246 PERFORM NULL FROM "member" WHERE "id" = "recipient_id_p" FOR UPDATE;
3247 FOR "result_row" IN
3248 SELECT * FROM "initiative_for_notification"
3249 WHERE "recipient_id" = "recipient_id_p"
3250 LOOP
3251 SELECT "id" INTO "last_draft_id_v" FROM "draft"
3252 WHERE "draft"."initiative_id" = "result_row"."initiative_id"
3253 ORDER BY "id" DESC LIMIT 1;
3254 SELECT "id" INTO "last_suggestion_id_v" FROM "suggestion"
3255 WHERE "suggestion"."initiative_id" = "result_row"."initiative_id"
3256 ORDER BY "id" DESC LIMIT 1;
3257 INSERT INTO "notification_initiative_sent"
3258 ("member_id", "initiative_id", "last_draft_id", "last_suggestion_id")
3259 VALUES (
3260 "recipient_id_p",
3261 "result_row"."initiative_id",
3262 "last_draft_id_v",
3263 "last_suggestion_id_v" )
3264 ON CONFLICT ("member_id", "initiative_id") DO UPDATE SET
3265 "last_draft_id" = CASE
3266 WHEN "notification_initiative_sent"."last_draft_id" > "last_draft_id_v"
3267 THEN "notification_initiative_sent"."last_draft_id"
3268 ELSE "last_draft_id_v"
3269 END,
3270 "last_suggestion_id" = CASE
3271 WHEN "notification_initiative_sent"."last_suggestion_id" > "last_suggestion_id_v"
3272 THEN "notification_initiative_sent"."last_suggestion_id"
3273 ELSE "last_suggestion_id_v"
3274 END;
3275 RETURN NEXT "result_row";
3276 END LOOP;
3277 DELETE FROM "notification_initiative_sent"
3278 USING "initiative", "issue"
3279 WHERE "notification_initiative_sent"."member_id" = "recipient_id_p"
3280 AND "initiative"."id" = "notification_initiative_sent"."initiative_id"
3281 AND "issue"."id" = "initiative"."issue_id"
3282 AND ( "issue"."closed" NOTNULL OR "issue"."fully_frozen" NOTNULL );
3283 UPDATE "member" SET
3284 "notification_counter" = "notification_counter" + 1,
3285 "notification_sent" = now()
3286 WHERE "id" = "recipient_id_p";
3287 RETURN;
3288 END;
3289 $$;
3293 ------------------------------------------------------------------------
3294 -- Regular tasks, except calculcation of snapshots and voting results --
3295 ------------------------------------------------------------------------
3298 CREATE FUNCTION "check_activity"()
3299 RETURNS VOID
3300 LANGUAGE 'plpgsql' VOLATILE AS $$
3301 DECLARE
3302 "system_setting_row" "system_setting"%ROWTYPE;
3303 BEGIN
3304 PERFORM "dont_require_transaction_isolation"();
3305 SELECT * INTO "system_setting_row" FROM "system_setting";
3306 IF "system_setting_row"."member_ttl" NOTNULL THEN
3307 UPDATE "member" SET "active" = FALSE
3308 WHERE "active" = TRUE
3309 AND "last_activity" < (now() - "system_setting_row"."member_ttl")::DATE;
3310 END IF;
3311 RETURN;
3312 END;
3313 $$;
3315 COMMENT ON FUNCTION "check_activity"() IS 'Deactivates members when "last_activity" is older than "system_setting"."member_ttl".';
3318 CREATE FUNCTION "calculate_member_counts"()
3319 RETURNS VOID
3320 LANGUAGE 'plpgsql' VOLATILE AS $$
3321 BEGIN
3322 PERFORM "require_transaction_isolation"();
3323 DELETE FROM "member_count";
3324 INSERT INTO "member_count" ("total_count")
3325 SELECT "total_count" FROM "member_count_view";
3326 UPDATE "unit" SET "member_count" = "view"."member_count"
3327 FROM "unit_member_count" AS "view"
3328 WHERE "view"."unit_id" = "unit"."id";
3329 UPDATE "area" SET
3330 "direct_member_count" = "view"."direct_member_count",
3331 "member_weight" = "view"."member_weight"
3332 FROM "area_member_count" AS "view"
3333 WHERE "view"."area_id" = "area"."id";
3334 RETURN;
3335 END;
3336 $$;
3338 COMMENT ON FUNCTION "calculate_member_counts"() IS 'Updates "member_count" table and "member_count" column of table "area" by materializing data from views "member_count_view" and "area_member_count"';
3342 ------------------------------------
3343 -- Calculation of harmonic weight --
3344 ------------------------------------
3347 CREATE VIEW "remaining_harmonic_supporter_weight" AS
3348 SELECT
3349 "direct_interest_snapshot"."issue_id",
3350 "direct_interest_snapshot"."event",
3351 "direct_interest_snapshot"."member_id",
3352 "direct_interest_snapshot"."weight" AS "weight_num",
3353 count("initiative"."id") AS "weight_den"
3354 FROM "issue"
3355 JOIN "direct_interest_snapshot"
3356 ON "issue"."id" = "direct_interest_snapshot"."issue_id"
3357 AND "issue"."latest_snapshot_event" = "direct_interest_snapshot"."event"
3358 JOIN "initiative"
3359 ON "issue"."id" = "initiative"."issue_id"
3360 AND "initiative"."harmonic_weight" ISNULL
3361 JOIN "direct_supporter_snapshot"
3362 ON "initiative"."id" = "direct_supporter_snapshot"."initiative_id"
3363 AND "direct_interest_snapshot"."event" = "direct_supporter_snapshot"."event"
3364 AND "direct_interest_snapshot"."member_id" = "direct_supporter_snapshot"."member_id"
3365 AND (
3366 "direct_supporter_snapshot"."satisfied" = TRUE OR
3367 coalesce("initiative"."admitted", FALSE) = FALSE
3369 GROUP BY
3370 "direct_interest_snapshot"."issue_id",
3371 "direct_interest_snapshot"."event",
3372 "direct_interest_snapshot"."member_id",
3373 "direct_interest_snapshot"."weight";
3375 COMMENT ON VIEW "remaining_harmonic_supporter_weight" IS 'Helper view for function "set_harmonic_initiative_weights"';
3378 CREATE VIEW "remaining_harmonic_initiative_weight_summands" AS
3379 SELECT
3380 "initiative"."issue_id",
3381 "initiative"."id" AS "initiative_id",
3382 "initiative"."admitted",
3383 sum("remaining_harmonic_supporter_weight"."weight_num") AS "weight_num",
3384 "remaining_harmonic_supporter_weight"."weight_den"
3385 FROM "remaining_harmonic_supporter_weight"
3386 JOIN "initiative"
3387 ON "remaining_harmonic_supporter_weight"."issue_id" = "initiative"."issue_id"
3388 AND "initiative"."harmonic_weight" ISNULL
3389 JOIN "direct_supporter_snapshot"
3390 ON "initiative"."id" = "direct_supporter_snapshot"."initiative_id"
3391 AND "remaining_harmonic_supporter_weight"."event" = "direct_supporter_snapshot"."event"
3392 AND "remaining_harmonic_supporter_weight"."member_id" = "direct_supporter_snapshot"."member_id"
3393 AND (
3394 "direct_supporter_snapshot"."satisfied" = TRUE OR
3395 coalesce("initiative"."admitted", FALSE) = FALSE
3397 GROUP BY
3398 "initiative"."issue_id",
3399 "initiative"."id",
3400 "initiative"."admitted",
3401 "remaining_harmonic_supporter_weight"."weight_den";
3403 COMMENT ON VIEW "remaining_harmonic_initiative_weight_summands" IS 'Helper view for function "set_harmonic_initiative_weights"';
3406 CREATE VIEW "remaining_harmonic_initiative_weight_dummies" AS
3407 SELECT
3408 "issue_id",
3409 "id" AS "initiative_id",
3410 "admitted",
3411 0 AS "weight_num",
3412 1 AS "weight_den"
3413 FROM "initiative"
3414 WHERE "harmonic_weight" ISNULL;
3416 COMMENT ON VIEW "remaining_harmonic_initiative_weight_dummies" IS 'Helper view for function "set_harmonic_initiative_weights" providing dummy weights of zero value, which are needed for corner cases where there are no supporters for an initiative at all';
3419 CREATE FUNCTION "set_harmonic_initiative_weights"
3420 ( "issue_id_p" "issue"."id"%TYPE )
3421 RETURNS VOID
3422 LANGUAGE 'plpgsql' VOLATILE AS $$
3423 DECLARE
3424 "weight_row" "remaining_harmonic_initiative_weight_summands"%ROWTYPE;
3425 "i" INT4;
3426 "count_v" INT4;
3427 "summand_v" FLOAT;
3428 "id_ary" INT4[];
3429 "weight_ary" FLOAT[];
3430 "min_weight_v" FLOAT;
3431 BEGIN
3432 PERFORM "require_transaction_isolation"();
3433 UPDATE "initiative" SET "harmonic_weight" = NULL
3434 WHERE "issue_id" = "issue_id_p";
3435 LOOP
3436 "min_weight_v" := NULL;
3437 "i" := 0;
3438 "count_v" := 0;
3439 FOR "weight_row" IN
3440 SELECT * FROM "remaining_harmonic_initiative_weight_summands"
3441 WHERE "issue_id" = "issue_id_p"
3442 AND (
3443 coalesce("admitted", FALSE) = FALSE OR NOT EXISTS (
3444 SELECT NULL FROM "initiative"
3445 WHERE "issue_id" = "issue_id_p"
3446 AND "harmonic_weight" ISNULL
3447 AND coalesce("admitted", FALSE) = FALSE
3450 UNION ALL -- needed for corner cases
3451 SELECT * FROM "remaining_harmonic_initiative_weight_dummies"
3452 WHERE "issue_id" = "issue_id_p"
3453 AND (
3454 coalesce("admitted", FALSE) = FALSE OR NOT EXISTS (
3455 SELECT NULL FROM "initiative"
3456 WHERE "issue_id" = "issue_id_p"
3457 AND "harmonic_weight" ISNULL
3458 AND coalesce("admitted", FALSE) = FALSE
3461 ORDER BY "initiative_id" DESC, "weight_den" DESC
3462 -- NOTE: non-admitted initiatives placed first (at last positions),
3463 -- latest initiatives treated worse in case of tie
3464 LOOP
3465 "summand_v" := "weight_row"."weight_num"::FLOAT / "weight_row"."weight_den"::FLOAT;
3466 IF "i" = 0 OR "weight_row"."initiative_id" != "id_ary"["i"] THEN
3467 "i" := "i" + 1;
3468 "count_v" := "i";
3469 "id_ary"["i"] := "weight_row"."initiative_id";
3470 "weight_ary"["i"] := "summand_v";
3471 ELSE
3472 "weight_ary"["i"] := "weight_ary"["i"] + "summand_v";
3473 END IF;
3474 END LOOP;
3475 EXIT WHEN "count_v" = 0;
3476 "i" := 1;
3477 LOOP
3478 "weight_ary"["i"] := "weight_ary"["i"]::NUMERIC(18,9)::NUMERIC(12,3);
3479 IF "min_weight_v" ISNULL OR "weight_ary"["i"] < "min_weight_v" THEN
3480 "min_weight_v" := "weight_ary"["i"];
3481 END IF;
3482 "i" := "i" + 1;
3483 EXIT WHEN "i" > "count_v";
3484 END LOOP;
3485 "i" := 1;
3486 LOOP
3487 IF "weight_ary"["i"] = "min_weight_v" THEN
3488 UPDATE "initiative" SET "harmonic_weight" = "min_weight_v"
3489 WHERE "id" = "id_ary"["i"];
3490 EXIT;
3491 END IF;
3492 "i" := "i" + 1;
3493 END LOOP;
3494 END LOOP;
3495 UPDATE "initiative" SET "harmonic_weight" = 0
3496 WHERE "issue_id" = "issue_id_p" AND "harmonic_weight" ISNULL;
3497 END;
3498 $$;
3500 COMMENT ON FUNCTION "set_harmonic_initiative_weights"
3501 ( "issue"."id"%TYPE )
3502 IS 'Calculates and sets "harmonic_weight" of initiatives in a given issue';
3506 ------------------------------
3507 -- Calculation of snapshots --
3508 ------------------------------
3511 CREATE FUNCTION "weight_of_added_delegations_for_population_snapshot"
3512 ( "issue_id_p" "issue"."id"%TYPE,
3513 "member_id_p" "member"."id"%TYPE,
3514 "delegate_member_ids_p" "delegating_population_snapshot"."delegate_member_ids"%TYPE )
3515 RETURNS "direct_population_snapshot"."weight"%TYPE
3516 LANGUAGE 'plpgsql' VOLATILE AS $$
3517 DECLARE
3518 "issue_delegation_row" "issue_delegation"%ROWTYPE;
3519 "delegate_member_ids_v" "delegating_population_snapshot"."delegate_member_ids"%TYPE;
3520 "weight_v" INT4;
3521 "sub_weight_v" INT4;
3522 BEGIN
3523 PERFORM "require_transaction_isolation"();
3524 "weight_v" := 0;
3525 FOR "issue_delegation_row" IN
3526 SELECT * FROM "issue_delegation"
3527 WHERE "trustee_id" = "member_id_p"
3528 AND "issue_id" = "issue_id_p"
3529 LOOP
3530 IF NOT EXISTS (
3531 SELECT NULL FROM "direct_population_snapshot"
3532 WHERE "issue_id" = "issue_id_p"
3533 AND "event" = 'periodic'
3534 AND "member_id" = "issue_delegation_row"."truster_id"
3535 ) AND NOT EXISTS (
3536 SELECT NULL FROM "delegating_population_snapshot"
3537 WHERE "issue_id" = "issue_id_p"
3538 AND "event" = 'periodic'
3539 AND "member_id" = "issue_delegation_row"."truster_id"
3540 ) THEN
3541 "delegate_member_ids_v" :=
3542 "member_id_p" || "delegate_member_ids_p";
3543 INSERT INTO "delegating_population_snapshot" (
3544 "issue_id",
3545 "event",
3546 "member_id",
3547 "scope",
3548 "delegate_member_ids"
3549 ) VALUES (
3550 "issue_id_p",
3551 'periodic',
3552 "issue_delegation_row"."truster_id",
3553 "issue_delegation_row"."scope",
3554 "delegate_member_ids_v"
3555 );
3556 "sub_weight_v" := 1 +
3557 "weight_of_added_delegations_for_population_snapshot"(
3558 "issue_id_p",
3559 "issue_delegation_row"."truster_id",
3560 "delegate_member_ids_v"
3561 );
3562 UPDATE "delegating_population_snapshot"
3563 SET "weight" = "sub_weight_v"
3564 WHERE "issue_id" = "issue_id_p"
3565 AND "event" = 'periodic'
3566 AND "member_id" = "issue_delegation_row"."truster_id";
3567 "weight_v" := "weight_v" + "sub_weight_v";
3568 END IF;
3569 END LOOP;
3570 RETURN "weight_v";
3571 END;
3572 $$;
3574 COMMENT ON FUNCTION "weight_of_added_delegations_for_population_snapshot"
3575 ( "issue"."id"%TYPE,
3576 "member"."id"%TYPE,
3577 "delegating_population_snapshot"."delegate_member_ids"%TYPE )
3578 IS 'Helper function for "create_population_snapshot" function';
3581 CREATE FUNCTION "create_population_snapshot"
3582 ( "issue_id_p" "issue"."id"%TYPE )
3583 RETURNS VOID
3584 LANGUAGE 'plpgsql' VOLATILE AS $$
3585 DECLARE
3586 "member_id_v" "member"."id"%TYPE;
3587 BEGIN
3588 PERFORM "require_transaction_isolation"();
3589 DELETE FROM "direct_population_snapshot"
3590 WHERE "issue_id" = "issue_id_p"
3591 AND "event" = 'periodic';
3592 DELETE FROM "delegating_population_snapshot"
3593 WHERE "issue_id" = "issue_id_p"
3594 AND "event" = 'periodic';
3595 INSERT INTO "direct_population_snapshot"
3596 ("issue_id", "event", "member_id")
3597 SELECT
3598 "issue_id_p" AS "issue_id",
3599 'periodic'::"snapshot_event" AS "event",
3600 "member"."id" AS "member_id"
3601 FROM "issue"
3602 JOIN "area" ON "issue"."area_id" = "area"."id"
3603 JOIN "membership" ON "area"."id" = "membership"."area_id"
3604 JOIN "member" ON "membership"."member_id" = "member"."id"
3605 JOIN "privilege"
3606 ON "privilege"."unit_id" = "area"."unit_id"
3607 AND "privilege"."member_id" = "member"."id"
3608 WHERE "issue"."id" = "issue_id_p"
3609 AND "member"."active" AND "privilege"."voting_right"
3610 UNION
3611 SELECT
3612 "issue_id_p" AS "issue_id",
3613 'periodic'::"snapshot_event" AS "event",
3614 "member"."id" AS "member_id"
3615 FROM "issue"
3616 JOIN "area" ON "issue"."area_id" = "area"."id"
3617 JOIN "interest" ON "issue"."id" = "interest"."issue_id"
3618 JOIN "member" ON "interest"."member_id" = "member"."id"
3619 JOIN "privilege"
3620 ON "privilege"."unit_id" = "area"."unit_id"
3621 AND "privilege"."member_id" = "member"."id"
3622 WHERE "issue"."id" = "issue_id_p"
3623 AND "member"."active" AND "privilege"."voting_right";
3624 FOR "member_id_v" IN
3625 SELECT "member_id" FROM "direct_population_snapshot"
3626 WHERE "issue_id" = "issue_id_p"
3627 AND "event" = 'periodic'
3628 LOOP
3629 UPDATE "direct_population_snapshot" SET
3630 "weight" = 1 +
3631 "weight_of_added_delegations_for_population_snapshot"(
3632 "issue_id_p",
3633 "member_id_v",
3634 '{}'
3636 WHERE "issue_id" = "issue_id_p"
3637 AND "event" = 'periodic'
3638 AND "member_id" = "member_id_v";
3639 END LOOP;
3640 RETURN;
3641 END;
3642 $$;
3644 COMMENT ON FUNCTION "create_population_snapshot"
3645 ( "issue"."id"%TYPE )
3646 IS 'This function creates a new ''periodic'' population snapshot for the given issue. It does neither lock any tables, nor updates precalculated values in other tables.';
3649 CREATE FUNCTION "weight_of_added_delegations_for_interest_snapshot"
3650 ( "issue_id_p" "issue"."id"%TYPE,
3651 "member_id_p" "member"."id"%TYPE,
3652 "delegate_member_ids_p" "delegating_interest_snapshot"."delegate_member_ids"%TYPE )
3653 RETURNS "direct_interest_snapshot"."weight"%TYPE
3654 LANGUAGE 'plpgsql' VOLATILE AS $$
3655 DECLARE
3656 "issue_delegation_row" "issue_delegation"%ROWTYPE;
3657 "delegate_member_ids_v" "delegating_interest_snapshot"."delegate_member_ids"%TYPE;
3658 "weight_v" INT4;
3659 "sub_weight_v" INT4;
3660 BEGIN
3661 PERFORM "require_transaction_isolation"();
3662 "weight_v" := 0;
3663 FOR "issue_delegation_row" IN
3664 SELECT * FROM "issue_delegation"
3665 WHERE "trustee_id" = "member_id_p"
3666 AND "issue_id" = "issue_id_p"
3667 LOOP
3668 IF NOT EXISTS (
3669 SELECT NULL FROM "direct_interest_snapshot"
3670 WHERE "issue_id" = "issue_id_p"
3671 AND "event" = 'periodic'
3672 AND "member_id" = "issue_delegation_row"."truster_id"
3673 ) AND NOT EXISTS (
3674 SELECT NULL FROM "delegating_interest_snapshot"
3675 WHERE "issue_id" = "issue_id_p"
3676 AND "event" = 'periodic'
3677 AND "member_id" = "issue_delegation_row"."truster_id"
3678 ) THEN
3679 "delegate_member_ids_v" :=
3680 "member_id_p" || "delegate_member_ids_p";
3681 INSERT INTO "delegating_interest_snapshot" (
3682 "issue_id",
3683 "event",
3684 "member_id",
3685 "scope",
3686 "delegate_member_ids"
3687 ) VALUES (
3688 "issue_id_p",
3689 'periodic',
3690 "issue_delegation_row"."truster_id",
3691 "issue_delegation_row"."scope",
3692 "delegate_member_ids_v"
3693 );
3694 "sub_weight_v" := 1 +
3695 "weight_of_added_delegations_for_interest_snapshot"(
3696 "issue_id_p",
3697 "issue_delegation_row"."truster_id",
3698 "delegate_member_ids_v"
3699 );
3700 UPDATE "delegating_interest_snapshot"
3701 SET "weight" = "sub_weight_v"
3702 WHERE "issue_id" = "issue_id_p"
3703 AND "event" = 'periodic'
3704 AND "member_id" = "issue_delegation_row"."truster_id";
3705 "weight_v" := "weight_v" + "sub_weight_v";
3706 END IF;
3707 END LOOP;
3708 RETURN "weight_v";
3709 END;
3710 $$;
3712 COMMENT ON FUNCTION "weight_of_added_delegations_for_interest_snapshot"
3713 ( "issue"."id"%TYPE,
3714 "member"."id"%TYPE,
3715 "delegating_interest_snapshot"."delegate_member_ids"%TYPE )
3716 IS 'Helper function for "create_interest_snapshot" function';
3719 CREATE FUNCTION "create_interest_snapshot"
3720 ( "issue_id_p" "issue"."id"%TYPE )
3721 RETURNS VOID
3722 LANGUAGE 'plpgsql' VOLATILE AS $$
3723 DECLARE
3724 "member_id_v" "member"."id"%TYPE;
3725 BEGIN
3726 PERFORM "require_transaction_isolation"();
3727 DELETE FROM "direct_interest_snapshot"
3728 WHERE "issue_id" = "issue_id_p"
3729 AND "event" = 'periodic';
3730 DELETE FROM "delegating_interest_snapshot"
3731 WHERE "issue_id" = "issue_id_p"
3732 AND "event" = 'periodic';
3733 DELETE FROM "direct_supporter_snapshot"
3734 USING "initiative" -- NOTE: due to missing index on issue_id
3735 WHERE "initiative"."issue_id" = "issue_id_p"
3736 AND "direct_supporter_snapshot"."initiative_id" = "initiative"."id"
3737 AND "direct_supporter_snapshot"."event" = 'periodic';
3738 INSERT INTO "direct_interest_snapshot"
3739 ("issue_id", "event", "member_id")
3740 SELECT
3741 "issue_id_p" AS "issue_id",
3742 'periodic' AS "event",
3743 "member"."id" AS "member_id"
3744 FROM "issue"
3745 JOIN "area" ON "issue"."area_id" = "area"."id"
3746 JOIN "interest" ON "issue"."id" = "interest"."issue_id"
3747 JOIN "member" ON "interest"."member_id" = "member"."id"
3748 JOIN "privilege"
3749 ON "privilege"."unit_id" = "area"."unit_id"
3750 AND "privilege"."member_id" = "member"."id"
3751 WHERE "issue"."id" = "issue_id_p"
3752 AND "member"."active" AND "privilege"."voting_right";
3753 FOR "member_id_v" IN
3754 SELECT "member_id" FROM "direct_interest_snapshot"
3755 WHERE "issue_id" = "issue_id_p"
3756 AND "event" = 'periodic'
3757 LOOP
3758 UPDATE "direct_interest_snapshot" SET
3759 "weight" = 1 +
3760 "weight_of_added_delegations_for_interest_snapshot"(
3761 "issue_id_p",
3762 "member_id_v",
3763 '{}'
3765 WHERE "issue_id" = "issue_id_p"
3766 AND "event" = 'periodic'
3767 AND "member_id" = "member_id_v";
3768 END LOOP;
3769 INSERT INTO "direct_supporter_snapshot"
3770 ( "issue_id", "initiative_id", "event", "member_id",
3771 "draft_id", "informed", "satisfied" )
3772 SELECT
3773 "issue_id_p" AS "issue_id",
3774 "initiative"."id" AS "initiative_id",
3775 'periodic' AS "event",
3776 "supporter"."member_id" AS "member_id",
3777 "supporter"."draft_id" AS "draft_id",
3778 "supporter"."draft_id" = "current_draft"."id" AS "informed",
3779 NOT EXISTS (
3780 SELECT NULL FROM "critical_opinion"
3781 WHERE "initiative_id" = "initiative"."id"
3782 AND "member_id" = "supporter"."member_id"
3783 ) AS "satisfied"
3784 FROM "initiative"
3785 JOIN "supporter"
3786 ON "supporter"."initiative_id" = "initiative"."id"
3787 JOIN "current_draft"
3788 ON "initiative"."id" = "current_draft"."initiative_id"
3789 JOIN "direct_interest_snapshot"
3790 ON "supporter"."member_id" = "direct_interest_snapshot"."member_id"
3791 AND "initiative"."issue_id" = "direct_interest_snapshot"."issue_id"
3792 AND "event" = 'periodic'
3793 WHERE "initiative"."issue_id" = "issue_id_p";
3794 RETURN;
3795 END;
3796 $$;
3798 COMMENT ON FUNCTION "create_interest_snapshot"
3799 ( "issue"."id"%TYPE )
3800 IS 'This function creates a new ''periodic'' interest/supporter snapshot for the given issue. It does neither lock any tables, nor updates precalculated values in other tables.';
3803 CREATE FUNCTION "create_snapshot"
3804 ( "issue_id_p" "issue"."id"%TYPE )
3805 RETURNS VOID
3806 LANGUAGE 'plpgsql' VOLATILE AS $$
3807 DECLARE
3808 "initiative_id_v" "initiative"."id"%TYPE;
3809 "suggestion_id_v" "suggestion"."id"%TYPE;
3810 BEGIN
3811 PERFORM "require_transaction_isolation"();
3812 PERFORM "create_population_snapshot"("issue_id_p");
3813 PERFORM "create_interest_snapshot"("issue_id_p");
3814 UPDATE "issue" SET
3815 "snapshot" = coalesce("phase_finished", now()),
3816 "latest_snapshot_event" = 'periodic',
3817 "population" = (
3818 SELECT coalesce(sum("weight"), 0)
3819 FROM "direct_population_snapshot"
3820 WHERE "issue_id" = "issue_id_p"
3821 AND "event" = 'periodic'
3823 WHERE "id" = "issue_id_p";
3824 FOR "initiative_id_v" IN
3825 SELECT "id" FROM "initiative" WHERE "issue_id" = "issue_id_p"
3826 LOOP
3827 UPDATE "initiative" SET
3828 "supporter_count" = (
3829 SELECT coalesce(sum("di"."weight"), 0)
3830 FROM "direct_interest_snapshot" AS "di"
3831 JOIN "direct_supporter_snapshot" AS "ds"
3832 ON "di"."member_id" = "ds"."member_id"
3833 WHERE "di"."issue_id" = "issue_id_p"
3834 AND "di"."event" = 'periodic'
3835 AND "ds"."initiative_id" = "initiative_id_v"
3836 AND "ds"."event" = 'periodic'
3837 ),
3838 "informed_supporter_count" = (
3839 SELECT coalesce(sum("di"."weight"), 0)
3840 FROM "direct_interest_snapshot" AS "di"
3841 JOIN "direct_supporter_snapshot" AS "ds"
3842 ON "di"."member_id" = "ds"."member_id"
3843 WHERE "di"."issue_id" = "issue_id_p"
3844 AND "di"."event" = 'periodic'
3845 AND "ds"."initiative_id" = "initiative_id_v"
3846 AND "ds"."event" = 'periodic'
3847 AND "ds"."informed"
3848 ),
3849 "satisfied_supporter_count" = (
3850 SELECT coalesce(sum("di"."weight"), 0)
3851 FROM "direct_interest_snapshot" AS "di"
3852 JOIN "direct_supporter_snapshot" AS "ds"
3853 ON "di"."member_id" = "ds"."member_id"
3854 WHERE "di"."issue_id" = "issue_id_p"
3855 AND "di"."event" = 'periodic'
3856 AND "ds"."initiative_id" = "initiative_id_v"
3857 AND "ds"."event" = 'periodic'
3858 AND "ds"."satisfied"
3859 ),
3860 "satisfied_informed_supporter_count" = (
3861 SELECT coalesce(sum("di"."weight"), 0)
3862 FROM "direct_interest_snapshot" AS "di"
3863 JOIN "direct_supporter_snapshot" AS "ds"
3864 ON "di"."member_id" = "ds"."member_id"
3865 WHERE "di"."issue_id" = "issue_id_p"
3866 AND "di"."event" = 'periodic'
3867 AND "ds"."initiative_id" = "initiative_id_v"
3868 AND "ds"."event" = 'periodic'
3869 AND "ds"."informed"
3870 AND "ds"."satisfied"
3872 WHERE "id" = "initiative_id_v";
3873 FOR "suggestion_id_v" IN
3874 SELECT "id" FROM "suggestion"
3875 WHERE "initiative_id" = "initiative_id_v"
3876 LOOP
3877 UPDATE "suggestion" SET
3878 "minus2_unfulfilled_count" = (
3879 SELECT coalesce(sum("snapshot"."weight"), 0)
3880 FROM "issue" CROSS JOIN "opinion"
3881 JOIN "direct_interest_snapshot" AS "snapshot"
3882 ON "snapshot"."issue_id" = "issue"."id"
3883 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3884 AND "snapshot"."member_id" = "opinion"."member_id"
3885 WHERE "issue"."id" = "issue_id_p"
3886 AND "opinion"."suggestion_id" = "suggestion_id_v"
3887 AND "opinion"."degree" = -2
3888 AND "opinion"."fulfilled" = FALSE
3889 ),
3890 "minus2_fulfilled_count" = (
3891 SELECT coalesce(sum("snapshot"."weight"), 0)
3892 FROM "issue" CROSS JOIN "opinion"
3893 JOIN "direct_interest_snapshot" AS "snapshot"
3894 ON "snapshot"."issue_id" = "issue"."id"
3895 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3896 AND "snapshot"."member_id" = "opinion"."member_id"
3897 WHERE "issue"."id" = "issue_id_p"
3898 AND "opinion"."suggestion_id" = "suggestion_id_v"
3899 AND "opinion"."degree" = -2
3900 AND "opinion"."fulfilled" = TRUE
3901 ),
3902 "minus1_unfulfilled_count" = (
3903 SELECT coalesce(sum("snapshot"."weight"), 0)
3904 FROM "issue" CROSS JOIN "opinion"
3905 JOIN "direct_interest_snapshot" AS "snapshot"
3906 ON "snapshot"."issue_id" = "issue"."id"
3907 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3908 AND "snapshot"."member_id" = "opinion"."member_id"
3909 WHERE "issue"."id" = "issue_id_p"
3910 AND "opinion"."suggestion_id" = "suggestion_id_v"
3911 AND "opinion"."degree" = -1
3912 AND "opinion"."fulfilled" = FALSE
3913 ),
3914 "minus1_fulfilled_count" = (
3915 SELECT coalesce(sum("snapshot"."weight"), 0)
3916 FROM "issue" CROSS JOIN "opinion"
3917 JOIN "direct_interest_snapshot" AS "snapshot"
3918 ON "snapshot"."issue_id" = "issue"."id"
3919 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3920 AND "snapshot"."member_id" = "opinion"."member_id"
3921 WHERE "issue"."id" = "issue_id_p"
3922 AND "opinion"."suggestion_id" = "suggestion_id_v"
3923 AND "opinion"."degree" = -1
3924 AND "opinion"."fulfilled" = TRUE
3925 ),
3926 "plus1_unfulfilled_count" = (
3927 SELECT coalesce(sum("snapshot"."weight"), 0)
3928 FROM "issue" CROSS JOIN "opinion"
3929 JOIN "direct_interest_snapshot" AS "snapshot"
3930 ON "snapshot"."issue_id" = "issue"."id"
3931 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3932 AND "snapshot"."member_id" = "opinion"."member_id"
3933 WHERE "issue"."id" = "issue_id_p"
3934 AND "opinion"."suggestion_id" = "suggestion_id_v"
3935 AND "opinion"."degree" = 1
3936 AND "opinion"."fulfilled" = FALSE
3937 ),
3938 "plus1_fulfilled_count" = (
3939 SELECT coalesce(sum("snapshot"."weight"), 0)
3940 FROM "issue" CROSS JOIN "opinion"
3941 JOIN "direct_interest_snapshot" AS "snapshot"
3942 ON "snapshot"."issue_id" = "issue"."id"
3943 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3944 AND "snapshot"."member_id" = "opinion"."member_id"
3945 WHERE "issue"."id" = "issue_id_p"
3946 AND "opinion"."suggestion_id" = "suggestion_id_v"
3947 AND "opinion"."degree" = 1
3948 AND "opinion"."fulfilled" = TRUE
3949 ),
3950 "plus2_unfulfilled_count" = (
3951 SELECT coalesce(sum("snapshot"."weight"), 0)
3952 FROM "issue" CROSS JOIN "opinion"
3953 JOIN "direct_interest_snapshot" AS "snapshot"
3954 ON "snapshot"."issue_id" = "issue"."id"
3955 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3956 AND "snapshot"."member_id" = "opinion"."member_id"
3957 WHERE "issue"."id" = "issue_id_p"
3958 AND "opinion"."suggestion_id" = "suggestion_id_v"
3959 AND "opinion"."degree" = 2
3960 AND "opinion"."fulfilled" = FALSE
3961 ),
3962 "plus2_fulfilled_count" = (
3963 SELECT coalesce(sum("snapshot"."weight"), 0)
3964 FROM "issue" CROSS JOIN "opinion"
3965 JOIN "direct_interest_snapshot" AS "snapshot"
3966 ON "snapshot"."issue_id" = "issue"."id"
3967 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3968 AND "snapshot"."member_id" = "opinion"."member_id"
3969 WHERE "issue"."id" = "issue_id_p"
3970 AND "opinion"."suggestion_id" = "suggestion_id_v"
3971 AND "opinion"."degree" = 2
3972 AND "opinion"."fulfilled" = TRUE
3974 WHERE "suggestion"."id" = "suggestion_id_v";
3975 END LOOP;
3976 END LOOP;
3977 RETURN;
3978 END;
3979 $$;
3981 COMMENT ON FUNCTION "create_snapshot"
3982 ( "issue"."id"%TYPE )
3983 IS 'This function creates a complete new ''periodic'' snapshot of population, interest and support for the given issue. All involved tables are locked, and after completion precalculated values in the source tables are updated.';
3986 CREATE FUNCTION "set_snapshot_event"
3987 ( "issue_id_p" "issue"."id"%TYPE,
3988 "event_p" "snapshot_event" )
3989 RETURNS VOID
3990 LANGUAGE 'plpgsql' VOLATILE AS $$
3991 DECLARE
3992 "event_v" "issue"."latest_snapshot_event"%TYPE;
3993 BEGIN
3994 PERFORM "require_transaction_isolation"();
3995 SELECT "latest_snapshot_event" INTO "event_v" FROM "issue"
3996 WHERE "id" = "issue_id_p" FOR UPDATE;
3997 UPDATE "issue" SET "latest_snapshot_event" = "event_p"
3998 WHERE "id" = "issue_id_p";
3999 UPDATE "direct_population_snapshot" SET "event" = "event_p"
4000 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
4001 UPDATE "delegating_population_snapshot" SET "event" = "event_p"
4002 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
4003 UPDATE "direct_interest_snapshot" SET "event" = "event_p"
4004 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
4005 UPDATE "delegating_interest_snapshot" SET "event" = "event_p"
4006 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
4007 UPDATE "direct_supporter_snapshot" SET "event" = "event_p"
4008 FROM "initiative" -- NOTE: due to missing index on issue_id
4009 WHERE "initiative"."issue_id" = "issue_id_p"
4010 AND "direct_supporter_snapshot"."initiative_id" = "initiative"."id"
4011 AND "direct_supporter_snapshot"."event" = "event_v";
4012 RETURN;
4013 END;
4014 $$;
4016 COMMENT ON FUNCTION "set_snapshot_event"
4017 ( "issue"."id"%TYPE,
4018 "snapshot_event" )
4019 IS 'Change "event" attribute of the previous ''periodic'' snapshot';
4023 -----------------------
4024 -- Counting of votes --
4025 -----------------------
4028 CREATE FUNCTION "weight_of_added_vote_delegations"
4029 ( "issue_id_p" "issue"."id"%TYPE,
4030 "member_id_p" "member"."id"%TYPE,
4031 "delegate_member_ids_p" "delegating_voter"."delegate_member_ids"%TYPE )
4032 RETURNS "direct_voter"."weight"%TYPE
4033 LANGUAGE 'plpgsql' VOLATILE AS $$
4034 DECLARE
4035 "issue_delegation_row" "issue_delegation"%ROWTYPE;
4036 "delegate_member_ids_v" "delegating_voter"."delegate_member_ids"%TYPE;
4037 "weight_v" INT4;
4038 "sub_weight_v" INT4;
4039 BEGIN
4040 PERFORM "require_transaction_isolation"();
4041 "weight_v" := 0;
4042 FOR "issue_delegation_row" IN
4043 SELECT * FROM "issue_delegation"
4044 WHERE "trustee_id" = "member_id_p"
4045 AND "issue_id" = "issue_id_p"
4046 LOOP
4047 IF NOT EXISTS (
4048 SELECT NULL FROM "direct_voter"
4049 WHERE "member_id" = "issue_delegation_row"."truster_id"
4050 AND "issue_id" = "issue_id_p"
4051 ) AND NOT EXISTS (
4052 SELECT NULL FROM "delegating_voter"
4053 WHERE "member_id" = "issue_delegation_row"."truster_id"
4054 AND "issue_id" = "issue_id_p"
4055 ) THEN
4056 "delegate_member_ids_v" :=
4057 "member_id_p" || "delegate_member_ids_p";
4058 INSERT INTO "delegating_voter" (
4059 "issue_id",
4060 "member_id",
4061 "scope",
4062 "delegate_member_ids"
4063 ) VALUES (
4064 "issue_id_p",
4065 "issue_delegation_row"."truster_id",
4066 "issue_delegation_row"."scope",
4067 "delegate_member_ids_v"
4068 );
4069 "sub_weight_v" := 1 +
4070 "weight_of_added_vote_delegations"(
4071 "issue_id_p",
4072 "issue_delegation_row"."truster_id",
4073 "delegate_member_ids_v"
4074 );
4075 UPDATE "delegating_voter"
4076 SET "weight" = "sub_weight_v"
4077 WHERE "issue_id" = "issue_id_p"
4078 AND "member_id" = "issue_delegation_row"."truster_id";
4079 "weight_v" := "weight_v" + "sub_weight_v";
4080 END IF;
4081 END LOOP;
4082 RETURN "weight_v";
4083 END;
4084 $$;
4086 COMMENT ON FUNCTION "weight_of_added_vote_delegations"
4087 ( "issue"."id"%TYPE,
4088 "member"."id"%TYPE,
4089 "delegating_voter"."delegate_member_ids"%TYPE )
4090 IS 'Helper function for "add_vote_delegations" function';
4093 CREATE FUNCTION "add_vote_delegations"
4094 ( "issue_id_p" "issue"."id"%TYPE )
4095 RETURNS VOID
4096 LANGUAGE 'plpgsql' VOLATILE AS $$
4097 DECLARE
4098 "member_id_v" "member"."id"%TYPE;
4099 BEGIN
4100 PERFORM "require_transaction_isolation"();
4101 FOR "member_id_v" IN
4102 SELECT "member_id" FROM "direct_voter"
4103 WHERE "issue_id" = "issue_id_p"
4104 LOOP
4105 UPDATE "direct_voter" SET
4106 "weight" = "weight" + "weight_of_added_vote_delegations"(
4107 "issue_id_p",
4108 "member_id_v",
4109 '{}'
4111 WHERE "member_id" = "member_id_v"
4112 AND "issue_id" = "issue_id_p";
4113 END LOOP;
4114 RETURN;
4115 END;
4116 $$;
4118 COMMENT ON FUNCTION "add_vote_delegations"
4119 ( "issue_id_p" "issue"."id"%TYPE )
4120 IS 'Helper function for "close_voting" function';
4123 CREATE FUNCTION "close_voting"("issue_id_p" "issue"."id"%TYPE)
4124 RETURNS VOID
4125 LANGUAGE 'plpgsql' VOLATILE AS $$
4126 DECLARE
4127 "area_id_v" "area"."id"%TYPE;
4128 "unit_id_v" "unit"."id"%TYPE;
4129 "member_id_v" "member"."id"%TYPE;
4130 BEGIN
4131 PERFORM "require_transaction_isolation"();
4132 SELECT "area_id" INTO "area_id_v" FROM "issue" WHERE "id" = "issue_id_p";
4133 SELECT "unit_id" INTO "unit_id_v" FROM "area" WHERE "id" = "area_id_v";
4134 -- override protection triggers:
4135 INSERT INTO "temporary_transaction_data" ("key", "value")
4136 VALUES ('override_protection_triggers', TRUE::TEXT);
4137 -- delete timestamp of voting comment:
4138 UPDATE "direct_voter" SET "comment_changed" = NULL
4139 WHERE "issue_id" = "issue_id_p";
4140 -- delete delegating votes (in cases of manual reset of issue state):
4141 DELETE FROM "delegating_voter"
4142 WHERE "issue_id" = "issue_id_p";
4143 -- delete votes from non-privileged voters:
4144 DELETE FROM "direct_voter"
4145 USING (
4146 SELECT
4147 "direct_voter"."member_id"
4148 FROM "direct_voter"
4149 JOIN "member" ON "direct_voter"."member_id" = "member"."id"
4150 LEFT JOIN "privilege"
4151 ON "privilege"."unit_id" = "unit_id_v"
4152 AND "privilege"."member_id" = "direct_voter"."member_id"
4153 WHERE "direct_voter"."issue_id" = "issue_id_p" AND (
4154 "member"."active" = FALSE OR
4155 "privilege"."voting_right" ISNULL OR
4156 "privilege"."voting_right" = FALSE
4158 ) AS "subquery"
4159 WHERE "direct_voter"."issue_id" = "issue_id_p"
4160 AND "direct_voter"."member_id" = "subquery"."member_id";
4161 -- consider delegations:
4162 UPDATE "direct_voter" SET "weight" = 1
4163 WHERE "issue_id" = "issue_id_p";
4164 PERFORM "add_vote_delegations"("issue_id_p");
4165 -- mark first preferences:
4166 UPDATE "vote" SET "first_preference" = "subquery"."first_preference"
4167 FROM (
4168 SELECT
4169 "vote"."initiative_id",
4170 "vote"."member_id",
4171 CASE WHEN "vote"."grade" > 0 THEN
4172 CASE WHEN "vote"."grade" = max("agg"."grade") THEN TRUE ELSE FALSE END
4173 ELSE NULL
4174 END AS "first_preference"
4175 FROM "vote"
4176 JOIN "initiative" -- NOTE: due to missing index on issue_id
4177 ON "vote"."issue_id" = "initiative"."issue_id"
4178 JOIN "vote" AS "agg"
4179 ON "initiative"."id" = "agg"."initiative_id"
4180 AND "vote"."member_id" = "agg"."member_id"
4181 GROUP BY "vote"."initiative_id", "vote"."member_id", "vote"."grade"
4182 ) AS "subquery"
4183 WHERE "vote"."issue_id" = "issue_id_p"
4184 AND "vote"."initiative_id" = "subquery"."initiative_id"
4185 AND "vote"."member_id" = "subquery"."member_id";
4186 -- finish overriding protection triggers (avoids garbage):
4187 DELETE FROM "temporary_transaction_data"
4188 WHERE "key" = 'override_protection_triggers';
4189 -- materialize battle_view:
4190 -- NOTE: "closed" column of issue must be set at this point
4191 DELETE FROM "battle" WHERE "issue_id" = "issue_id_p";
4192 INSERT INTO "battle" (
4193 "issue_id",
4194 "winning_initiative_id", "losing_initiative_id",
4195 "count"
4196 ) SELECT
4197 "issue_id",
4198 "winning_initiative_id", "losing_initiative_id",
4199 "count"
4200 FROM "battle_view" WHERE "issue_id" = "issue_id_p";
4201 -- set voter count:
4202 UPDATE "issue" SET
4203 "voter_count" = (
4204 SELECT coalesce(sum("weight"), 0)
4205 FROM "direct_voter" WHERE "issue_id" = "issue_id_p"
4207 WHERE "id" = "issue_id_p";
4208 -- copy "positive_votes" and "negative_votes" from "battle" table:
4209 -- NOTE: "first_preference_votes" is set to a default of 0 at this step
4210 UPDATE "initiative" SET
4211 "first_preference_votes" = 0,
4212 "positive_votes" = "battle_win"."count",
4213 "negative_votes" = "battle_lose"."count"
4214 FROM "battle" AS "battle_win", "battle" AS "battle_lose"
4215 WHERE
4216 "battle_win"."issue_id" = "issue_id_p" AND
4217 "battle_win"."winning_initiative_id" = "initiative"."id" AND
4218 "battle_win"."losing_initiative_id" ISNULL AND
4219 "battle_lose"."issue_id" = "issue_id_p" AND
4220 "battle_lose"."losing_initiative_id" = "initiative"."id" AND
4221 "battle_lose"."winning_initiative_id" ISNULL;
4222 -- calculate "first_preference_votes":
4223 -- NOTE: will only set values not equal to zero
4224 UPDATE "initiative" SET "first_preference_votes" = "subquery"."sum"
4225 FROM (
4226 SELECT "vote"."initiative_id", sum("direct_voter"."weight")
4227 FROM "vote" JOIN "direct_voter"
4228 ON "vote"."issue_id" = "direct_voter"."issue_id"
4229 AND "vote"."member_id" = "direct_voter"."member_id"
4230 WHERE "vote"."first_preference"
4231 GROUP BY "vote"."initiative_id"
4232 ) AS "subquery"
4233 WHERE "initiative"."issue_id" = "issue_id_p"
4234 AND "initiative"."admitted"
4235 AND "initiative"."id" = "subquery"."initiative_id";
4236 END;
4237 $$;
4239 COMMENT ON FUNCTION "close_voting"
4240 ( "issue"."id"%TYPE )
4241 IS 'Closes the voting on an issue, and calculates positive and negative votes for each initiative; The ranking is not calculated yet, to keep the (locking) transaction short.';
4244 CREATE FUNCTION "defeat_strength"
4245 ( "positive_votes_p" INT4,
4246 "negative_votes_p" INT4,
4247 "defeat_strength_p" "defeat_strength" )
4248 RETURNS INT8
4249 LANGUAGE 'plpgsql' IMMUTABLE AS $$
4250 BEGIN
4251 IF "defeat_strength_p" = 'simple'::"defeat_strength" THEN
4252 IF "positive_votes_p" > "negative_votes_p" THEN
4253 RETURN "positive_votes_p";
4254 ELSE
4255 RETURN 0;
4256 END IF;
4257 ELSE
4258 IF "positive_votes_p" > "negative_votes_p" THEN
4259 RETURN ("positive_votes_p"::INT8 << 31) - "negative_votes_p"::INT8;
4260 ELSIF "positive_votes_p" = "negative_votes_p" THEN
4261 RETURN 0;
4262 ELSE
4263 RETURN -1;
4264 END IF;
4265 END IF;
4266 END;
4267 $$;
4269 COMMENT ON FUNCTION "defeat_strength"(INT4, INT4, "defeat_strength") IS 'Calculates defeat strength (INT8!) according to the "defeat_strength" option (see comment on type "defeat_strength")';
4272 CREATE FUNCTION "secondary_link_strength"
4273 ( "initiative1_ord_p" INT4,
4274 "initiative2_ord_p" INT4,
4275 "tie_breaking_p" "tie_breaking" )
4276 RETURNS INT8
4277 LANGUAGE 'plpgsql' IMMUTABLE AS $$
4278 BEGIN
4279 IF "initiative1_ord_p" = "initiative2_ord_p" THEN
4280 RAISE EXCEPTION 'Identical initiative ids passed to "secondary_link_strength" function (should not happen)';
4281 END IF;
4282 RETURN (
4283 CASE WHEN "tie_breaking_p" = 'simple'::"tie_breaking" THEN
4285 ELSE
4286 CASE WHEN "initiative1_ord_p" < "initiative2_ord_p" THEN
4287 1::INT8 << 62
4288 ELSE 0 END
4290 CASE WHEN "tie_breaking_p" = 'variant2'::"tie_breaking" THEN
4291 ("initiative2_ord_p"::INT8 << 31) - "initiative1_ord_p"::INT8
4292 ELSE
4293 "initiative2_ord_p"::INT8 - ("initiative1_ord_p"::INT8 << 31)
4294 END
4295 END
4296 );
4297 END;
4298 $$;
4300 COMMENT ON FUNCTION "secondary_link_strength"(INT4, INT4, "tie_breaking") IS 'Calculates a secondary criterion for the defeat strength (tie-breaking of the links)';
4303 CREATE TYPE "link_strength" AS (
4304 "primary" INT8,
4305 "secondary" INT8 );
4307 COMMENT ON TYPE "link_strength" IS 'Type to store the defeat strength of a link between two candidates plus a secondary criterion to create unique link strengths between the candidates (needed for tie-breaking ''variant1'' and ''variant2'')';
4310 CREATE FUNCTION "find_best_paths"("matrix_d" "link_strength"[][])
4311 RETURNS "link_strength"[][]
4312 LANGUAGE 'plpgsql' IMMUTABLE AS $$
4313 DECLARE
4314 "dimension_v" INT4;
4315 "matrix_p" "link_strength"[][];
4316 "i" INT4;
4317 "j" INT4;
4318 "k" INT4;
4319 BEGIN
4320 "dimension_v" := array_upper("matrix_d", 1);
4321 "matrix_p" := "matrix_d";
4322 "i" := 1;
4323 LOOP
4324 "j" := 1;
4325 LOOP
4326 IF "i" != "j" THEN
4327 "k" := 1;
4328 LOOP
4329 IF "i" != "k" AND "j" != "k" THEN
4330 IF "matrix_p"["j"]["i"] < "matrix_p"["i"]["k"] THEN
4331 IF "matrix_p"["j"]["i"] > "matrix_p"["j"]["k"] THEN
4332 "matrix_p"["j"]["k"] := "matrix_p"["j"]["i"];
4333 END IF;
4334 ELSE
4335 IF "matrix_p"["i"]["k"] > "matrix_p"["j"]["k"] THEN
4336 "matrix_p"["j"]["k"] := "matrix_p"["i"]["k"];
4337 END IF;
4338 END IF;
4339 END IF;
4340 EXIT WHEN "k" = "dimension_v";
4341 "k" := "k" + 1;
4342 END LOOP;
4343 END IF;
4344 EXIT WHEN "j" = "dimension_v";
4345 "j" := "j" + 1;
4346 END LOOP;
4347 EXIT WHEN "i" = "dimension_v";
4348 "i" := "i" + 1;
4349 END LOOP;
4350 RETURN "matrix_p";
4351 END;
4352 $$;
4354 COMMENT ON FUNCTION "find_best_paths"("link_strength"[][]) IS 'Computes the strengths of the best beat-paths from a square matrix';
4357 CREATE FUNCTION "calculate_ranks"("issue_id_p" "issue"."id"%TYPE)
4358 RETURNS VOID
4359 LANGUAGE 'plpgsql' VOLATILE AS $$
4360 DECLARE
4361 "issue_row" "issue"%ROWTYPE;
4362 "policy_row" "policy"%ROWTYPE;
4363 "dimension_v" INT4;
4364 "matrix_a" INT4[][]; -- absolute votes
4365 "matrix_d" "link_strength"[][]; -- defeat strength (direct)
4366 "matrix_p" "link_strength"[][]; -- defeat strength (best path)
4367 "matrix_t" "link_strength"[][]; -- defeat strength (tie-breaking)
4368 "matrix_f" BOOLEAN[][]; -- forbidden link (tie-breaking)
4369 "matrix_b" BOOLEAN[][]; -- final order (who beats who)
4370 "i" INT4;
4371 "j" INT4;
4372 "m" INT4;
4373 "n" INT4;
4374 "battle_row" "battle"%ROWTYPE;
4375 "rank_ary" INT4[];
4376 "rank_v" INT4;
4377 "initiative_id_v" "initiative"."id"%TYPE;
4378 BEGIN
4379 PERFORM "require_transaction_isolation"();
4380 SELECT * INTO "issue_row"
4381 FROM "issue" WHERE "id" = "issue_id_p";
4382 SELECT * INTO "policy_row"
4383 FROM "policy" WHERE "id" = "issue_row"."policy_id";
4384 SELECT count(1) INTO "dimension_v"
4385 FROM "battle_participant" WHERE "issue_id" = "issue_id_p";
4386 -- create "matrix_a" with absolute number of votes in pairwise
4387 -- comparison:
4388 "matrix_a" := array_fill(NULL::INT4, ARRAY["dimension_v", "dimension_v"]);
4389 "i" := 1;
4390 "j" := 2;
4391 FOR "battle_row" IN
4392 SELECT * FROM "battle" WHERE "issue_id" = "issue_id_p"
4393 ORDER BY
4394 "winning_initiative_id" NULLS FIRST,
4395 "losing_initiative_id" NULLS FIRST
4396 LOOP
4397 "matrix_a"["i"]["j"] := "battle_row"."count";
4398 IF "j" = "dimension_v" THEN
4399 "i" := "i" + 1;
4400 "j" := 1;
4401 ELSE
4402 "j" := "j" + 1;
4403 IF "j" = "i" THEN
4404 "j" := "j" + 1;
4405 END IF;
4406 END IF;
4407 END LOOP;
4408 IF "i" != "dimension_v" OR "j" != "dimension_v" + 1 THEN
4409 RAISE EXCEPTION 'Wrong battle count (should not happen)';
4410 END IF;
4411 -- store direct defeat strengths in "matrix_d" using "defeat_strength"
4412 -- and "secondary_link_strength" functions:
4413 "matrix_d" := array_fill(NULL::INT8, ARRAY["dimension_v", "dimension_v"]);
4414 "i" := 1;
4415 LOOP
4416 "j" := 1;
4417 LOOP
4418 IF "i" != "j" THEN
4419 "matrix_d"["i"]["j"] := (
4420 "defeat_strength"(
4421 "matrix_a"["i"]["j"],
4422 "matrix_a"["j"]["i"],
4423 "policy_row"."defeat_strength"
4424 ),
4425 "secondary_link_strength"(
4426 "i",
4427 "j",
4428 "policy_row"."tie_breaking"
4430 )::"link_strength";
4431 END IF;
4432 EXIT WHEN "j" = "dimension_v";
4433 "j" := "j" + 1;
4434 END LOOP;
4435 EXIT WHEN "i" = "dimension_v";
4436 "i" := "i" + 1;
4437 END LOOP;
4438 -- find best paths:
4439 "matrix_p" := "find_best_paths"("matrix_d");
4440 -- create partial order:
4441 "matrix_b" := array_fill(NULL::BOOLEAN, ARRAY["dimension_v", "dimension_v"]);
4442 "i" := 1;
4443 LOOP
4444 "j" := "i" + 1;
4445 LOOP
4446 IF "i" != "j" THEN
4447 IF "matrix_p"["i"]["j"] > "matrix_p"["j"]["i"] THEN
4448 "matrix_b"["i"]["j"] := TRUE;
4449 "matrix_b"["j"]["i"] := FALSE;
4450 ELSIF "matrix_p"["i"]["j"] < "matrix_p"["j"]["i"] THEN
4451 "matrix_b"["i"]["j"] := FALSE;
4452 "matrix_b"["j"]["i"] := TRUE;
4453 END IF;
4454 END IF;
4455 EXIT WHEN "j" = "dimension_v";
4456 "j" := "j" + 1;
4457 END LOOP;
4458 EXIT WHEN "i" = "dimension_v" - 1;
4459 "i" := "i" + 1;
4460 END LOOP;
4461 -- tie-breaking by forbidding shared weakest links in beat-paths
4462 -- (unless "tie_breaking" is set to 'simple', in which case tie-breaking
4463 -- is performed later by initiative id):
4464 IF "policy_row"."tie_breaking" != 'simple'::"tie_breaking" THEN
4465 "m" := 1;
4466 LOOP
4467 "n" := "m" + 1;
4468 LOOP
4469 -- only process those candidates m and n, which are tied:
4470 IF "matrix_b"["m"]["n"] ISNULL THEN
4471 -- start with beat-paths prior tie-breaking:
4472 "matrix_t" := "matrix_p";
4473 -- start with all links allowed:
4474 "matrix_f" := array_fill(FALSE, ARRAY["dimension_v", "dimension_v"]);
4475 LOOP
4476 -- determine (and forbid) that link that is the weakest link
4477 -- in both the best path from candidate m to candidate n and
4478 -- from candidate n to candidate m:
4479 "i" := 1;
4480 <<forbid_one_link>>
4481 LOOP
4482 "j" := 1;
4483 LOOP
4484 IF "i" != "j" THEN
4485 IF "matrix_d"["i"]["j"] = "matrix_t"["m"]["n"] THEN
4486 "matrix_f"["i"]["j"] := TRUE;
4487 -- exit for performance reasons,
4488 -- as exactly one link will be found:
4489 EXIT forbid_one_link;
4490 END IF;
4491 END IF;
4492 EXIT WHEN "j" = "dimension_v";
4493 "j" := "j" + 1;
4494 END LOOP;
4495 IF "i" = "dimension_v" THEN
4496 RAISE EXCEPTION 'Did not find shared weakest link for tie-breaking (should not happen)';
4497 END IF;
4498 "i" := "i" + 1;
4499 END LOOP;
4500 -- calculate best beat-paths while ignoring forbidden links:
4501 "i" := 1;
4502 LOOP
4503 "j" := 1;
4504 LOOP
4505 IF "i" != "j" THEN
4506 "matrix_t"["i"]["j"] := CASE
4507 WHEN "matrix_f"["i"]["j"]
4508 THEN ((-1::INT8) << 63, 0)::"link_strength" -- worst possible value
4509 ELSE "matrix_d"["i"]["j"] END;
4510 END IF;
4511 EXIT WHEN "j" = "dimension_v";
4512 "j" := "j" + 1;
4513 END LOOP;
4514 EXIT WHEN "i" = "dimension_v";
4515 "i" := "i" + 1;
4516 END LOOP;
4517 "matrix_t" := "find_best_paths"("matrix_t");
4518 -- extend partial order, if tie-breaking was successful:
4519 IF "matrix_t"["m"]["n"] > "matrix_t"["n"]["m"] THEN
4520 "matrix_b"["m"]["n"] := TRUE;
4521 "matrix_b"["n"]["m"] := FALSE;
4522 EXIT;
4523 ELSIF "matrix_t"["m"]["n"] < "matrix_t"["n"]["m"] THEN
4524 "matrix_b"["m"]["n"] := FALSE;
4525 "matrix_b"["n"]["m"] := TRUE;
4526 EXIT;
4527 END IF;
4528 END LOOP;
4529 END IF;
4530 EXIT WHEN "n" = "dimension_v";
4531 "n" := "n" + 1;
4532 END LOOP;
4533 EXIT WHEN "m" = "dimension_v" - 1;
4534 "m" := "m" + 1;
4535 END LOOP;
4536 END IF;
4537 -- store a unique ranking in "rank_ary":
4538 "rank_ary" := array_fill(NULL::INT4, ARRAY["dimension_v"]);
4539 "rank_v" := 1;
4540 LOOP
4541 "i" := 1;
4542 <<assign_next_rank>>
4543 LOOP
4544 IF "rank_ary"["i"] ISNULL THEN
4545 "j" := 1;
4546 LOOP
4547 IF
4548 "i" != "j" AND
4549 "rank_ary"["j"] ISNULL AND
4550 ( "matrix_b"["j"]["i"] OR
4551 -- tie-breaking by "id"
4552 ( "matrix_b"["j"]["i"] ISNULL AND
4553 "j" < "i" ) )
4554 THEN
4555 -- someone else is better
4556 EXIT;
4557 END IF;
4558 IF "j" = "dimension_v" THEN
4559 -- noone is better
4560 "rank_ary"["i"] := "rank_v";
4561 EXIT assign_next_rank;
4562 END IF;
4563 "j" := "j" + 1;
4564 END LOOP;
4565 END IF;
4566 "i" := "i" + 1;
4567 IF "i" > "dimension_v" THEN
4568 RAISE EXCEPTION 'Schulze ranking does not compute (should not happen)';
4569 END IF;
4570 END LOOP;
4571 EXIT WHEN "rank_v" = "dimension_v";
4572 "rank_v" := "rank_v" + 1;
4573 END LOOP;
4574 -- write preliminary results:
4575 "i" := 2; -- omit status quo with "i" = 1
4576 FOR "initiative_id_v" IN
4577 SELECT "id" FROM "initiative"
4578 WHERE "issue_id" = "issue_id_p" AND "admitted"
4579 ORDER BY "id"
4580 LOOP
4581 UPDATE "initiative" SET
4582 "direct_majority" =
4583 CASE WHEN "policy_row"."direct_majority_strict" THEN
4584 "positive_votes" * "policy_row"."direct_majority_den" >
4585 "policy_row"."direct_majority_num" * ("positive_votes"+"negative_votes")
4586 ELSE
4587 "positive_votes" * "policy_row"."direct_majority_den" >=
4588 "policy_row"."direct_majority_num" * ("positive_votes"+"negative_votes")
4589 END
4590 AND "positive_votes" >= "policy_row"."direct_majority_positive"
4591 AND "issue_row"."voter_count"-"negative_votes" >=
4592 "policy_row"."direct_majority_non_negative",
4593 "indirect_majority" =
4594 CASE WHEN "policy_row"."indirect_majority_strict" THEN
4595 "positive_votes" * "policy_row"."indirect_majority_den" >
4596 "policy_row"."indirect_majority_num" * ("positive_votes"+"negative_votes")
4597 ELSE
4598 "positive_votes" * "policy_row"."indirect_majority_den" >=
4599 "policy_row"."indirect_majority_num" * ("positive_votes"+"negative_votes")
4600 END
4601 AND "positive_votes" >= "policy_row"."indirect_majority_positive"
4602 AND "issue_row"."voter_count"-"negative_votes" >=
4603 "policy_row"."indirect_majority_non_negative",
4604 "schulze_rank" = "rank_ary"["i"],
4605 "better_than_status_quo" = "rank_ary"["i"] < "rank_ary"[1],
4606 "worse_than_status_quo" = "rank_ary"["i"] > "rank_ary"[1],
4607 "multistage_majority" = "rank_ary"["i"] >= "rank_ary"[1],
4608 "reverse_beat_path" = CASE WHEN "policy_row"."defeat_strength" = 'simple'::"defeat_strength"
4609 THEN NULL
4610 ELSE "matrix_p"[1]["i"]."primary" >= 0 END,
4611 "eligible" = FALSE,
4612 "winner" = FALSE,
4613 "rank" = NULL -- NOTE: in cases of manual reset of issue state
4614 WHERE "id" = "initiative_id_v";
4615 "i" := "i" + 1;
4616 END LOOP;
4617 IF "i" != "dimension_v" + 1 THEN
4618 RAISE EXCEPTION 'Wrong winner count (should not happen)';
4619 END IF;
4620 -- take indirect majorities into account:
4621 LOOP
4622 UPDATE "initiative" SET "indirect_majority" = TRUE
4623 FROM (
4624 SELECT "new_initiative"."id" AS "initiative_id"
4625 FROM "initiative" "old_initiative"
4626 JOIN "initiative" "new_initiative"
4627 ON "new_initiative"."issue_id" = "issue_id_p"
4628 AND "new_initiative"."indirect_majority" = FALSE
4629 JOIN "battle" "battle_win"
4630 ON "battle_win"."issue_id" = "issue_id_p"
4631 AND "battle_win"."winning_initiative_id" = "new_initiative"."id"
4632 AND "battle_win"."losing_initiative_id" = "old_initiative"."id"
4633 JOIN "battle" "battle_lose"
4634 ON "battle_lose"."issue_id" = "issue_id_p"
4635 AND "battle_lose"."losing_initiative_id" = "new_initiative"."id"
4636 AND "battle_lose"."winning_initiative_id" = "old_initiative"."id"
4637 WHERE "old_initiative"."issue_id" = "issue_id_p"
4638 AND "old_initiative"."indirect_majority" = TRUE
4639 AND CASE WHEN "policy_row"."indirect_majority_strict" THEN
4640 "battle_win"."count" * "policy_row"."indirect_majority_den" >
4641 "policy_row"."indirect_majority_num" *
4642 ("battle_win"."count"+"battle_lose"."count")
4643 ELSE
4644 "battle_win"."count" * "policy_row"."indirect_majority_den" >=
4645 "policy_row"."indirect_majority_num" *
4646 ("battle_win"."count"+"battle_lose"."count")
4647 END
4648 AND "battle_win"."count" >= "policy_row"."indirect_majority_positive"
4649 AND "issue_row"."voter_count"-"battle_lose"."count" >=
4650 "policy_row"."indirect_majority_non_negative"
4651 ) AS "subquery"
4652 WHERE "id" = "subquery"."initiative_id";
4653 EXIT WHEN NOT FOUND;
4654 END LOOP;
4655 -- set "multistage_majority" for remaining matching initiatives:
4656 UPDATE "initiative" SET "multistage_majority" = TRUE
4657 FROM (
4658 SELECT "losing_initiative"."id" AS "initiative_id"
4659 FROM "initiative" "losing_initiative"
4660 JOIN "initiative" "winning_initiative"
4661 ON "winning_initiative"."issue_id" = "issue_id_p"
4662 AND "winning_initiative"."admitted"
4663 JOIN "battle" "battle_win"
4664 ON "battle_win"."issue_id" = "issue_id_p"
4665 AND "battle_win"."winning_initiative_id" = "winning_initiative"."id"
4666 AND "battle_win"."losing_initiative_id" = "losing_initiative"."id"
4667 JOIN "battle" "battle_lose"
4668 ON "battle_lose"."issue_id" = "issue_id_p"
4669 AND "battle_lose"."losing_initiative_id" = "winning_initiative"."id"
4670 AND "battle_lose"."winning_initiative_id" = "losing_initiative"."id"
4671 WHERE "losing_initiative"."issue_id" = "issue_id_p"
4672 AND "losing_initiative"."admitted"
4673 AND "winning_initiative"."schulze_rank" <
4674 "losing_initiative"."schulze_rank"
4675 AND "battle_win"."count" > "battle_lose"."count"
4676 AND (
4677 "battle_win"."count" > "winning_initiative"."positive_votes" OR
4678 "battle_lose"."count" < "losing_initiative"."negative_votes" )
4679 ) AS "subquery"
4680 WHERE "id" = "subquery"."initiative_id";
4681 -- mark eligible initiatives:
4682 UPDATE "initiative" SET "eligible" = TRUE
4683 WHERE "issue_id" = "issue_id_p"
4684 AND "initiative"."direct_majority"
4685 AND "initiative"."indirect_majority"
4686 AND "initiative"."better_than_status_quo"
4687 AND (
4688 "policy_row"."no_multistage_majority" = FALSE OR
4689 "initiative"."multistage_majority" = FALSE )
4690 AND (
4691 "policy_row"."no_reverse_beat_path" = FALSE OR
4692 coalesce("initiative"."reverse_beat_path", FALSE) = FALSE );
4693 -- mark final winner:
4694 UPDATE "initiative" SET "winner" = TRUE
4695 FROM (
4696 SELECT "id" AS "initiative_id"
4697 FROM "initiative"
4698 WHERE "issue_id" = "issue_id_p" AND "eligible"
4699 ORDER BY
4700 "schulze_rank",
4701 "id"
4702 LIMIT 1
4703 ) AS "subquery"
4704 WHERE "id" = "subquery"."initiative_id";
4705 -- write (final) ranks:
4706 "rank_v" := 1;
4707 FOR "initiative_id_v" IN
4708 SELECT "id"
4709 FROM "initiative"
4710 WHERE "issue_id" = "issue_id_p" AND "admitted"
4711 ORDER BY
4712 "winner" DESC,
4713 "eligible" DESC,
4714 "schulze_rank",
4715 "id"
4716 LOOP
4717 UPDATE "initiative" SET "rank" = "rank_v"
4718 WHERE "id" = "initiative_id_v";
4719 "rank_v" := "rank_v" + 1;
4720 END LOOP;
4721 -- set schulze rank of status quo and mark issue as finished:
4722 UPDATE "issue" SET
4723 "status_quo_schulze_rank" = "rank_ary"[1],
4724 "state" =
4725 CASE WHEN EXISTS (
4726 SELECT NULL FROM "initiative"
4727 WHERE "issue_id" = "issue_id_p" AND "winner"
4728 ) THEN
4729 'finished_with_winner'::"issue_state"
4730 ELSE
4731 'finished_without_winner'::"issue_state"
4732 END,
4733 "closed" = "phase_finished",
4734 "phase_finished" = NULL
4735 WHERE "id" = "issue_id_p";
4736 RETURN;
4737 END;
4738 $$;
4740 COMMENT ON FUNCTION "calculate_ranks"
4741 ( "issue"."id"%TYPE )
4742 IS 'Determine ranking (Votes have to be counted first)';
4746 -----------------------------
4747 -- Automatic state changes --
4748 -----------------------------
4751 CREATE TYPE "check_issue_persistence" AS (
4752 "state" "issue_state",
4753 "phase_finished" BOOLEAN,
4754 "issue_revoked" BOOLEAN,
4755 "snapshot_created" BOOLEAN,
4756 "harmonic_weights_set" BOOLEAN,
4757 "closed_voting" BOOLEAN );
4759 COMMENT ON TYPE "check_issue_persistence" IS 'Type of data returned by "check_issue" function, to be passed to subsequent calls of the same function';
4762 CREATE FUNCTION "check_issue"
4763 ( "issue_id_p" "issue"."id"%TYPE,
4764 "persist" "check_issue_persistence" )
4765 RETURNS "check_issue_persistence"
4766 LANGUAGE 'plpgsql' VOLATILE AS $$
4767 DECLARE
4768 "issue_row" "issue"%ROWTYPE;
4769 "policy_row" "policy"%ROWTYPE;
4770 "initiative_row" "initiative"%ROWTYPE;
4771 "state_v" "issue_state";
4772 BEGIN
4773 PERFORM "require_transaction_isolation"();
4774 IF "persist" ISNULL THEN
4775 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p"
4776 FOR UPDATE;
4777 IF "issue_row"."closed" NOTNULL THEN
4778 RETURN NULL;
4779 END IF;
4780 "persist"."state" := "issue_row"."state";
4781 IF
4782 ( "issue_row"."state" = 'admission' AND now() >=
4783 "issue_row"."created" + "issue_row"."max_admission_time" ) OR
4784 ( "issue_row"."state" = 'discussion' AND now() >=
4785 "issue_row"."accepted" + "issue_row"."discussion_time" ) OR
4786 ( "issue_row"."state" = 'verification' AND now() >=
4787 "issue_row"."half_frozen" + "issue_row"."verification_time" ) OR
4788 ( "issue_row"."state" = 'voting' AND now() >=
4789 "issue_row"."fully_frozen" + "issue_row"."voting_time" )
4790 THEN
4791 "persist"."phase_finished" := TRUE;
4792 ELSE
4793 "persist"."phase_finished" := FALSE;
4794 END IF;
4795 IF
4796 NOT EXISTS (
4797 -- all initiatives are revoked
4798 SELECT NULL FROM "initiative"
4799 WHERE "issue_id" = "issue_id_p" AND "revoked" ISNULL
4800 ) AND (
4801 -- and issue has not been accepted yet
4802 "persist"."state" = 'admission' OR
4803 -- or verification time has elapsed
4804 ( "persist"."state" = 'verification' AND
4805 "persist"."phase_finished" ) OR
4806 -- or no initiatives have been revoked lately
4807 NOT EXISTS (
4808 SELECT NULL FROM "initiative"
4809 WHERE "issue_id" = "issue_id_p"
4810 AND now() < "revoked" + "issue_row"."verification_time"
4813 THEN
4814 "persist"."issue_revoked" := TRUE;
4815 ELSE
4816 "persist"."issue_revoked" := FALSE;
4817 END IF;
4818 IF "persist"."phase_finished" OR "persist"."issue_revoked" THEN
4819 UPDATE "issue" SET "phase_finished" = now()
4820 WHERE "id" = "issue_row"."id";
4821 RETURN "persist";
4822 ELSIF
4823 "persist"."state" IN ('admission', 'discussion', 'verification')
4824 THEN
4825 RETURN "persist";
4826 ELSE
4827 RETURN NULL;
4828 END IF;
4829 END IF;
4830 IF
4831 "persist"."state" IN ('admission', 'discussion', 'verification') AND
4832 coalesce("persist"."snapshot_created", FALSE) = FALSE
4833 THEN
4834 PERFORM "create_snapshot"("issue_id_p");
4835 "persist"."snapshot_created" = TRUE;
4836 IF "persist"."phase_finished" THEN
4837 IF "persist"."state" = 'admission' THEN
4838 PERFORM "set_snapshot_event"("issue_id_p", 'end_of_admission');
4839 ELSIF "persist"."state" = 'discussion' THEN
4840 PERFORM "set_snapshot_event"("issue_id_p", 'half_freeze');
4841 ELSIF "persist"."state" = 'verification' THEN
4842 PERFORM "set_snapshot_event"("issue_id_p", 'full_freeze');
4843 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p";
4844 SELECT * INTO "policy_row" FROM "policy"
4845 WHERE "id" = "issue_row"."policy_id";
4846 FOR "initiative_row" IN
4847 SELECT * FROM "initiative"
4848 WHERE "issue_id" = "issue_id_p" AND "revoked" ISNULL
4849 FOR UPDATE
4850 LOOP
4851 IF
4852 "initiative_row"."polling" OR (
4853 "initiative_row"."satisfied_supporter_count" > 0 AND
4854 "initiative_row"."satisfied_supporter_count" *
4855 "policy_row"."initiative_quorum_den" >=
4856 "issue_row"."population" * "policy_row"."initiative_quorum_num"
4858 THEN
4859 UPDATE "initiative" SET "admitted" = TRUE
4860 WHERE "id" = "initiative_row"."id";
4861 ELSE
4862 UPDATE "initiative" SET "admitted" = FALSE
4863 WHERE "id" = "initiative_row"."id";
4864 END IF;
4865 END LOOP;
4866 END IF;
4867 END IF;
4868 RETURN "persist";
4869 END IF;
4870 IF
4871 "persist"."state" IN ('admission', 'discussion', 'verification') AND
4872 coalesce("persist"."harmonic_weights_set", FALSE) = FALSE
4873 THEN
4874 PERFORM "set_harmonic_initiative_weights"("issue_id_p");
4875 "persist"."harmonic_weights_set" = TRUE;
4876 IF
4877 "persist"."phase_finished" OR
4878 "persist"."issue_revoked" OR
4879 "persist"."state" = 'admission'
4880 THEN
4881 RETURN "persist";
4882 ELSE
4883 RETURN NULL;
4884 END IF;
4885 END IF;
4886 IF "persist"."issue_revoked" THEN
4887 IF "persist"."state" = 'admission' THEN
4888 "state_v" := 'canceled_revoked_before_accepted';
4889 ELSIF "persist"."state" = 'discussion' THEN
4890 "state_v" := 'canceled_after_revocation_during_discussion';
4891 ELSIF "persist"."state" = 'verification' THEN
4892 "state_v" := 'canceled_after_revocation_during_verification';
4893 END IF;
4894 UPDATE "issue" SET
4895 "state" = "state_v",
4896 "closed" = "phase_finished",
4897 "phase_finished" = NULL
4898 WHERE "id" = "issue_id_p";
4899 RETURN NULL;
4900 END IF;
4901 IF "persist"."state" = 'admission' THEN
4902 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p"
4903 FOR UPDATE;
4904 SELECT * INTO "policy_row"
4905 FROM "policy" WHERE "id" = "issue_row"."policy_id";
4906 IF
4907 ( now() >=
4908 "issue_row"."created" + "issue_row"."min_admission_time" ) AND
4909 EXISTS (
4910 SELECT NULL FROM "initiative"
4911 WHERE "issue_id" = "issue_id_p"
4912 AND "supporter_count" > 0
4913 AND "supporter_count" * "policy_row"."issue_quorum_den"
4914 >= "issue_row"."population" * "policy_row"."issue_quorum_num"
4916 THEN
4917 UPDATE "issue" SET
4918 "state" = 'discussion',
4919 "accepted" = coalesce("phase_finished", now()),
4920 "phase_finished" = NULL
4921 WHERE "id" = "issue_id_p";
4922 ELSIF "issue_row"."phase_finished" NOTNULL THEN
4923 UPDATE "issue" SET
4924 "state" = 'canceled_issue_not_accepted',
4925 "closed" = "phase_finished",
4926 "phase_finished" = NULL
4927 WHERE "id" = "issue_id_p";
4928 END IF;
4929 RETURN NULL;
4930 END IF;
4931 IF "persist"."phase_finished" THEN
4932 IF "persist"."state" = 'discussion' THEN
4933 UPDATE "issue" SET
4934 "state" = 'verification',
4935 "half_frozen" = "phase_finished",
4936 "phase_finished" = NULL
4937 WHERE "id" = "issue_id_p";
4938 RETURN NULL;
4939 END IF;
4940 IF "persist"."state" = 'verification' THEN
4941 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p"
4942 FOR UPDATE;
4943 SELECT * INTO "policy_row" FROM "policy"
4944 WHERE "id" = "issue_row"."policy_id";
4945 IF EXISTS (
4946 SELECT NULL FROM "initiative"
4947 WHERE "issue_id" = "issue_id_p" AND "admitted" = TRUE
4948 ) THEN
4949 UPDATE "issue" SET
4950 "state" = 'voting',
4951 "fully_frozen" = "phase_finished",
4952 "phase_finished" = NULL
4953 WHERE "id" = "issue_id_p";
4954 ELSE
4955 UPDATE "issue" SET
4956 "state" = 'canceled_no_initiative_admitted',
4957 "fully_frozen" = "phase_finished",
4958 "closed" = "phase_finished",
4959 "phase_finished" = NULL
4960 WHERE "id" = "issue_id_p";
4961 -- NOTE: The following DELETE statements have effect only when
4962 -- issue state has been manipulated
4963 DELETE FROM "direct_voter" WHERE "issue_id" = "issue_id_p";
4964 DELETE FROM "delegating_voter" WHERE "issue_id" = "issue_id_p";
4965 DELETE FROM "battle" WHERE "issue_id" = "issue_id_p";
4966 END IF;
4967 RETURN NULL;
4968 END IF;
4969 IF "persist"."state" = 'voting' THEN
4970 IF coalesce("persist"."closed_voting", FALSE) = FALSE THEN
4971 PERFORM "close_voting"("issue_id_p");
4972 "persist"."closed_voting" = TRUE;
4973 RETURN "persist";
4974 END IF;
4975 PERFORM "calculate_ranks"("issue_id_p");
4976 RETURN NULL;
4977 END IF;
4978 END IF;
4979 RAISE WARNING 'should not happen';
4980 RETURN NULL;
4981 END;
4982 $$;
4984 COMMENT ON FUNCTION "check_issue"
4985 ( "issue"."id"%TYPE,
4986 "check_issue_persistence" )
4987 IS 'Precalculate supporter counts etc. for a given issue, and check, if status change is required, and perform the status change when necessary; Function must be called multiple times with the previous result as second parameter, until the result is NULL (see source code of function "check_everything")';
4990 CREATE FUNCTION "check_everything"()
4991 RETURNS VOID
4992 LANGUAGE 'plpgsql' VOLATILE AS $$
4993 DECLARE
4994 "issue_id_v" "issue"."id"%TYPE;
4995 "persist_v" "check_issue_persistence";
4996 BEGIN
4997 RAISE WARNING 'Function "check_everything" should only be used for development and debugging purposes';
4998 DELETE FROM "expired_session";
4999 PERFORM "check_activity"();
5000 PERFORM "calculate_member_counts"();
5001 FOR "issue_id_v" IN SELECT "id" FROM "open_issue" LOOP
5002 "persist_v" := NULL;
5003 LOOP
5004 "persist_v" := "check_issue"("issue_id_v", "persist_v");
5005 EXIT WHEN "persist_v" ISNULL;
5006 END LOOP;
5007 END LOOP;
5008 RETURN;
5009 END;
5010 $$;
5012 COMMENT ON FUNCTION "check_everything"() IS 'Amongst other regular tasks this function performs "check_issue" for every open issue. Use this function only for development and debugging purposes, as you may run into locking and/or serialization problems in productive environments.';
5016 ----------------------
5017 -- Deletion of data --
5018 ----------------------
5021 CREATE FUNCTION "clean_issue"("issue_id_p" "issue"."id"%TYPE)
5022 RETURNS VOID
5023 LANGUAGE 'plpgsql' VOLATILE AS $$
5024 BEGIN
5025 IF EXISTS (
5026 SELECT NULL FROM "issue" WHERE "id" = "issue_id_p" AND "cleaned" ISNULL
5027 ) THEN
5028 -- override protection triggers:
5029 INSERT INTO "temporary_transaction_data" ("key", "value")
5030 VALUES ('override_protection_triggers', TRUE::TEXT);
5031 -- clean data:
5032 DELETE FROM "delegating_voter"
5033 WHERE "issue_id" = "issue_id_p";
5034 DELETE FROM "direct_voter"
5035 WHERE "issue_id" = "issue_id_p";
5036 DELETE FROM "delegating_interest_snapshot"
5037 WHERE "issue_id" = "issue_id_p";
5038 DELETE FROM "direct_interest_snapshot"
5039 WHERE "issue_id" = "issue_id_p";
5040 DELETE FROM "delegating_population_snapshot"
5041 WHERE "issue_id" = "issue_id_p";
5042 DELETE FROM "direct_population_snapshot"
5043 WHERE "issue_id" = "issue_id_p";
5044 DELETE FROM "non_voter"
5045 WHERE "issue_id" = "issue_id_p";
5046 DELETE FROM "delegation"
5047 WHERE "issue_id" = "issue_id_p";
5048 DELETE FROM "supporter"
5049 USING "initiative" -- NOTE: due to missing index on issue_id
5050 WHERE "initiative"."issue_id" = "issue_id_p"
5051 AND "supporter"."initiative_id" = "initiative_id";
5052 -- mark issue as cleaned:
5053 UPDATE "issue" SET "cleaned" = now() WHERE "id" = "issue_id_p";
5054 -- finish overriding protection triggers (avoids garbage):
5055 DELETE FROM "temporary_transaction_data"
5056 WHERE "key" = 'override_protection_triggers';
5057 END IF;
5058 RETURN;
5059 END;
5060 $$;
5062 COMMENT ON FUNCTION "clean_issue"("issue"."id"%TYPE) IS 'Delete discussion data and votes belonging to an issue';
5065 CREATE FUNCTION "delete_member"("member_id_p" "member"."id"%TYPE)
5066 RETURNS VOID
5067 LANGUAGE 'plpgsql' VOLATILE AS $$
5068 BEGIN
5069 UPDATE "member" SET
5070 "last_login" = NULL,
5071 "last_delegation_check" = NULL,
5072 "login" = NULL,
5073 "password" = NULL,
5074 "authority" = NULL,
5075 "authority_uid" = NULL,
5076 "authority_login" = NULL,
5077 "locked" = TRUE,
5078 "active" = FALSE,
5079 "notify_email" = NULL,
5080 "notify_email_unconfirmed" = NULL,
5081 "notify_email_secret" = NULL,
5082 "notify_email_secret_expiry" = NULL,
5083 "notify_email_lock_expiry" = NULL,
5084 "disable_notifications" = NULL,
5085 "notification_counter" = NULL,
5086 "notification_sample_size" = NULL,
5087 "notification_dow" = NULL,
5088 "notification_hour" = NULL,
5089 "login_recovery_expiry" = NULL,
5090 "password_reset_secret" = NULL,
5091 "password_reset_secret_expiry" = NULL,
5092 "organizational_unit" = NULL,
5093 "internal_posts" = NULL,
5094 "realname" = NULL,
5095 "birthday" = NULL,
5096 "address" = NULL,
5097 "email" = NULL,
5098 "xmpp_address" = NULL,
5099 "website" = NULL,
5100 "phone" = NULL,
5101 "mobile_phone" = NULL,
5102 "profession" = NULL,
5103 "external_memberships" = NULL,
5104 "external_posts" = NULL,
5105 "statement" = NULL
5106 WHERE "id" = "member_id_p";
5107 -- "text_search_data" is updated by triggers
5108 DELETE FROM "setting" WHERE "member_id" = "member_id_p";
5109 DELETE FROM "setting_map" WHERE "member_id" = "member_id_p";
5110 DELETE FROM "member_relation_setting" WHERE "member_id" = "member_id_p";
5111 DELETE FROM "member_image" WHERE "member_id" = "member_id_p";
5112 DELETE FROM "contact" WHERE "member_id" = "member_id_p";
5113 DELETE FROM "ignored_member" WHERE "member_id" = "member_id_p";
5114 DELETE FROM "session" WHERE "member_id" = "member_id_p";
5115 DELETE FROM "area_setting" WHERE "member_id" = "member_id_p";
5116 DELETE FROM "issue_setting" WHERE "member_id" = "member_id_p";
5117 DELETE FROM "ignored_initiative" WHERE "member_id" = "member_id_p";
5118 DELETE FROM "initiative_setting" WHERE "member_id" = "member_id_p";
5119 DELETE FROM "suggestion_setting" WHERE "member_id" = "member_id_p";
5120 DELETE FROM "membership" WHERE "member_id" = "member_id_p";
5121 DELETE FROM "delegation" WHERE "truster_id" = "member_id_p";
5122 DELETE FROM "non_voter" WHERE "member_id" = "member_id_p";
5123 DELETE FROM "direct_voter" USING "issue"
5124 WHERE "direct_voter"."issue_id" = "issue"."id"
5125 AND "issue"."closed" ISNULL
5126 AND "member_id" = "member_id_p";
5127 RETURN;
5128 END;
5129 $$;
5131 COMMENT ON FUNCTION "delete_member"("member_id_p" "member"."id"%TYPE) IS 'Deactivate member and clear certain settings and data of this member (data protection)';
5134 CREATE FUNCTION "delete_private_data"()
5135 RETURNS VOID
5136 LANGUAGE 'plpgsql' VOLATILE AS $$
5137 BEGIN
5138 DELETE FROM "temporary_transaction_data";
5139 DELETE FROM "member" WHERE "activated" ISNULL;
5140 UPDATE "member" SET
5141 "invite_code" = NULL,
5142 "invite_code_expiry" = NULL,
5143 "admin_comment" = NULL,
5144 "last_login" = NULL,
5145 "last_delegation_check" = NULL,
5146 "login" = NULL,
5147 "password" = NULL,
5148 "authority" = NULL,
5149 "authority_uid" = NULL,
5150 "authority_login" = NULL,
5151 "lang" = NULL,
5152 "notify_email" = NULL,
5153 "notify_email_unconfirmed" = NULL,
5154 "notify_email_secret" = NULL,
5155 "notify_email_secret_expiry" = NULL,
5156 "notify_email_lock_expiry" = NULL,
5157 "disable_notifications" = NULL,
5158 "notification_counter" = NULL,
5159 "notification_sample_size" = NULL,
5160 "notification_dow" = NULL,
5161 "notification_hour" = NULL,
5162 "login_recovery_expiry" = NULL,
5163 "password_reset_secret" = NULL,
5164 "password_reset_secret_expiry" = NULL,
5165 "organizational_unit" = NULL,
5166 "internal_posts" = NULL,
5167 "realname" = NULL,
5168 "birthday" = NULL,
5169 "address" = NULL,
5170 "email" = NULL,
5171 "xmpp_address" = NULL,
5172 "website" = NULL,
5173 "phone" = NULL,
5174 "mobile_phone" = NULL,
5175 "profession" = NULL,
5176 "external_memberships" = NULL,
5177 "external_posts" = NULL,
5178 "formatting_engine" = NULL,
5179 "statement" = NULL;
5180 -- "text_search_data" is updated by triggers
5181 DELETE FROM "setting";
5182 DELETE FROM "setting_map";
5183 DELETE FROM "member_relation_setting";
5184 DELETE FROM "member_image";
5185 DELETE FROM "contact";
5186 DELETE FROM "ignored_member";
5187 DELETE FROM "session";
5188 DELETE FROM "area_setting";
5189 DELETE FROM "issue_setting";
5190 DELETE FROM "ignored_initiative";
5191 DELETE FROM "initiative_setting";
5192 DELETE FROM "suggestion_setting";
5193 DELETE FROM "non_voter";
5194 DELETE FROM "direct_voter" USING "issue"
5195 WHERE "direct_voter"."issue_id" = "issue"."id"
5196 AND "issue"."closed" ISNULL;
5197 RETURN;
5198 END;
5199 $$;
5201 COMMENT ON FUNCTION "delete_private_data"() IS 'Used by lf_export script. DO NOT USE on productive database, but only on a copy! This function deletes all data which should not be publicly available, and can be used to create a database dump for publication. See source code to see which data is deleted. If you need a different behaviour, copy this function and modify lf_export accordingly, to avoid data-leaks after updating.';
5205 COMMIT;

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