liquid_feedback_core
view core.sql @ 493:d932363da4ee
Bugfix in function "get_initiatives_for_notification"
| author | jbe |
|---|---|
| date | Sun Apr 03 19:57:11 2016 +0200 (2016-04-03) |
| parents | aa94c7dbb20f |
| children | b4b660562322 |
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 TYPE "notify_level" AS ENUM
93 ('none', 'voting', 'verification', 'discussion', 'all');
95 COMMENT ON TYPE "notify_level" IS 'Level of notification: ''none'' = no notifications, ''voting'' = notifications about finished issues and issues in voting, ''verification'' = notifications about finished issues, issues in voting and verification phase, ''discussion'' = notifications about everything except issues in admission phase, ''all'' = notifications about everything';
98 CREATE TABLE "member" (
99 "id" SERIAL4 PRIMARY KEY,
100 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
101 "invite_code" TEXT UNIQUE,
102 "invite_code_expiry" TIMESTAMPTZ,
103 "admin_comment" TEXT,
104 "activated" TIMESTAMPTZ,
105 "last_activity" DATE,
106 "last_login" TIMESTAMPTZ,
107 "last_delegation_check" TIMESTAMPTZ,
108 "login" TEXT UNIQUE,
109 "password" TEXT,
110 "authority" TEXT,
111 "authority_uid" TEXT,
112 "authority_login" TEXT,
113 "locked" BOOLEAN NOT NULL DEFAULT FALSE,
114 "active" BOOLEAN NOT NULL DEFAULT FALSE,
115 "admin" BOOLEAN NOT NULL DEFAULT FALSE,
116 "lang" TEXT,
117 "notify_email" TEXT,
118 "notify_email_unconfirmed" TEXT,
119 "notify_email_secret" TEXT UNIQUE,
120 "notify_email_secret_expiry" TIMESTAMPTZ,
121 "notify_email_lock_expiry" TIMESTAMPTZ,
122 "disable_notifications" BOOLEAN NOT NULL DEFAULT FALSE,
123 "notification_counter" INT4 NOT NULL DEFAULT 1,
124 "notification_sample_size" INT4 NOT NULL DEFAULT 3,
125 "notification_dow" INT4 CHECK ("notification_dow" BETWEEN 0 AND 6),
126 "notification_hour" INT4 CHECK ("notification_hour" BETWEEN 0 AND 23),
127 "login_recovery_expiry" TIMESTAMPTZ,
128 "password_reset_secret" TEXT UNIQUE,
129 "password_reset_secret_expiry" TIMESTAMPTZ,
130 "name" TEXT UNIQUE,
131 "identification" TEXT UNIQUE,
132 "authentication" TEXT,
133 "organizational_unit" TEXT,
134 "internal_posts" TEXT,
135 "realname" TEXT,
136 "birthday" DATE,
137 "address" TEXT,
138 "email" TEXT,
139 "xmpp_address" TEXT,
140 "website" TEXT,
141 "phone" TEXT,
142 "mobile_phone" TEXT,
143 "profession" TEXT,
144 "external_memberships" TEXT,
145 "external_posts" TEXT,
146 "formatting_engine" TEXT,
147 "statement" TEXT,
148 "text_search_data" TSVECTOR,
149 CONSTRAINT "active_requires_activated_and_last_activity"
150 CHECK ("active" = FALSE OR ("activated" NOTNULL AND "last_activity" NOTNULL)),
151 CONSTRAINT "authority_requires_uid_and_vice_versa"
152 CHECK (("authority" NOTNULL) = ("authority_uid" NOTNULL)),
153 CONSTRAINT "authority_uid_unique_per_authority"
154 UNIQUE ("authority", "authority_uid"),
155 CONSTRAINT "authority_login_requires_authority"
156 CHECK ("authority" NOTNULL OR "authority_login" ISNULL),
157 CONSTRAINT "name_not_null_if_activated"
158 CHECK ("activated" ISNULL OR "name" NOTNULL) );
159 CREATE INDEX "member_authority_login_idx" ON "member" ("authority_login");
160 CREATE INDEX "member_active_idx" ON "member" ("active");
161 CREATE INDEX "member_text_search_data_idx" ON "member" USING gin ("text_search_data");
162 CREATE TRIGGER "update_text_search_data"
163 BEFORE INSERT OR UPDATE ON "member"
164 FOR EACH ROW EXECUTE PROCEDURE
165 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',
166 "name", "identification", "organizational_unit", "internal_posts",
167 "realname", "external_memberships", "external_posts", "statement" );
169 COMMENT ON TABLE "member" IS 'Users of the system, e.g. members of an organization';
171 COMMENT ON COLUMN "member"."created" IS 'Creation of member record and/or invite code';
172 COMMENT ON COLUMN "member"."invite_code" IS 'Optional invite code, to allow a member to initialize his/her account the first time';
173 COMMENT ON COLUMN "member"."invite_code_expiry" IS 'Expiry data/time for "invite_code"';
174 COMMENT ON COLUMN "member"."admin_comment" IS 'Hidden comment for administrative purposes';
175 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';
176 COMMENT ON COLUMN "member"."last_activity" IS 'Date of last activity of member; required to be set for "active" members';
177 COMMENT ON COLUMN "member"."last_login" IS 'Timestamp of last login';
178 COMMENT ON COLUMN "member"."last_delegation_check" IS 'Timestamp of last delegation check (i.e. confirmation of all unit and area delegations)';
179 COMMENT ON COLUMN "member"."login" IS 'Login name';
180 COMMENT ON COLUMN "member"."password" IS 'Password (preferably as crypto-hash, depending on the frontend or access layer)';
181 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)';
182 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)';
183 COMMENT ON COLUMN "member"."authority_login" IS 'Login name for external accounts (field is not unique!)';
184 COMMENT ON COLUMN "member"."locked" IS 'Locked members can not log in.';
185 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".';
186 COMMENT ON COLUMN "member"."admin" IS 'TRUE for admins, which can administrate other users and setup policies and areas';
187 COMMENT ON COLUMN "member"."lang" IS 'Language code of the preferred language of the member';
188 COMMENT ON COLUMN "member"."notify_email" IS 'Email address where notifications of the system are sent to';
189 COMMENT ON COLUMN "member"."notify_email_unconfirmed" IS 'Unconfirmed email address provided by the member to be copied into "notify_email" field after verification';
190 COMMENT ON COLUMN "member"."notify_email_secret" IS 'Secret sent to the address in "notify_email_unconformed"';
191 COMMENT ON COLUMN "member"."notify_email_secret_expiry" IS 'Expiry date/time for "notify_email_secret"';
192 COMMENT ON COLUMN "member"."notify_email_lock_expiry" IS 'Date/time until no further email confirmation mails may be sent (abuse protection)';
193 COMMENT ON COLUMN "member"."disable_notifications" IS 'TRUE if member does not want to receive notifications';
194 COMMENT ON COLUMN "member"."login_recovery_expiry" IS 'Date/time after which another login recovery attempt is allowed';
195 COMMENT ON COLUMN "member"."password_reset_secret" IS 'Secret string sent via e-mail for password recovery';
196 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';
197 COMMENT ON COLUMN "member"."name" IS 'Distinct name of the member, may be NULL if account has not been activated yet';
198 COMMENT ON COLUMN "member"."identification" IS 'Optional identification number or code of the member';
199 COMMENT ON COLUMN "member"."authentication" IS 'Information about how this member was authenticated';
200 COMMENT ON COLUMN "member"."organizational_unit" IS 'Branch or division of the organization the member belongs to';
201 COMMENT ON COLUMN "member"."internal_posts" IS 'Posts (offices) of the member inside the organization';
202 COMMENT ON COLUMN "member"."realname" IS 'Real name of the member, may be identical with "name"';
203 COMMENT ON COLUMN "member"."email" IS 'Published email address of the member; not used for system notifications';
204 COMMENT ON COLUMN "member"."external_memberships" IS 'Other organizations the member is involved in';
205 COMMENT ON COLUMN "member"."external_posts" IS 'Posts (offices) outside the organization';
206 COMMENT ON COLUMN "member"."formatting_engine" IS 'Allows different formatting engines (i.e. wiki formats) to be used for "member"."statement"';
207 COMMENT ON COLUMN "member"."statement" IS 'Freely chosen text of the member for his/her profile';
210 CREATE TABLE "member_history" (
211 "id" SERIAL8 PRIMARY KEY,
212 "member_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
213 "until" TIMESTAMPTZ NOT NULL DEFAULT now(),
214 "active" BOOLEAN NOT NULL,
215 "name" TEXT NOT NULL );
216 CREATE INDEX "member_history_member_id_idx" ON "member_history" ("member_id");
218 COMMENT ON TABLE "member_history" IS 'Filled by trigger; keeps information about old names and active flag of members';
220 COMMENT ON COLUMN "member_history"."id" IS 'Primary key, which can be used to sort entries correctly (and time warp resistant)';
221 COMMENT ON COLUMN "member_history"."until" IS 'Timestamp until the data was valid';
224 CREATE TABLE "rendered_member_statement" (
225 PRIMARY KEY ("member_id", "format"),
226 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
227 "format" TEXT,
228 "content" TEXT NOT NULL );
230 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)';
233 CREATE TABLE "setting" (
234 PRIMARY KEY ("member_id", "key"),
235 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
236 "key" TEXT NOT NULL,
237 "value" TEXT NOT NULL );
238 CREATE INDEX "setting_key_idx" ON "setting" ("key");
240 COMMENT ON TABLE "setting" IS 'Place to store a frontend specific setting for members as a string';
242 COMMENT ON COLUMN "setting"."key" IS 'Name of the setting, preceded by a frontend specific prefix';
245 CREATE TABLE "setting_map" (
246 PRIMARY KEY ("member_id", "key", "subkey"),
247 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
248 "key" TEXT NOT NULL,
249 "subkey" TEXT NOT NULL,
250 "value" TEXT NOT NULL );
251 CREATE INDEX "setting_map_key_idx" ON "setting_map" ("key");
253 COMMENT ON TABLE "setting_map" IS 'Place to store a frontend specific setting for members as a map of key value pairs';
255 COMMENT ON COLUMN "setting_map"."key" IS 'Name of the setting, preceded by a frontend specific prefix';
256 COMMENT ON COLUMN "setting_map"."subkey" IS 'Key of a map entry';
257 COMMENT ON COLUMN "setting_map"."value" IS 'Value of a map entry';
260 CREATE TABLE "member_relation_setting" (
261 PRIMARY KEY ("member_id", "key", "other_member_id"),
262 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
263 "key" TEXT NOT NULL,
264 "other_member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
265 "value" TEXT NOT NULL );
267 COMMENT ON TABLE "member_relation_setting" IS 'Place to store a frontend specific setting related to relations between members as a string';
270 CREATE TYPE "member_image_type" AS ENUM ('photo', 'avatar');
272 COMMENT ON TYPE "member_image_type" IS 'Types of images for a member';
275 CREATE TABLE "member_image" (
276 PRIMARY KEY ("member_id", "image_type", "scaled"),
277 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
278 "image_type" "member_image_type",
279 "scaled" BOOLEAN,
280 "content_type" TEXT,
281 "data" BYTEA NOT NULL );
283 COMMENT ON TABLE "member_image" IS 'Images of members';
285 COMMENT ON COLUMN "member_image"."scaled" IS 'FALSE for original image, TRUE for scaled version of the image';
288 CREATE TABLE "member_count" (
289 "calculated" TIMESTAMPTZ NOT NULL DEFAULT now(),
290 "total_count" INT4 NOT NULL );
292 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';
294 COMMENT ON COLUMN "member_count"."calculated" IS 'timestamp indicating when the total member count and area member counts were calculated';
295 COMMENT ON COLUMN "member_count"."total_count" IS 'Total count of active(!) members';
298 CREATE TABLE "contact" (
299 PRIMARY KEY ("member_id", "other_member_id"),
300 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
301 "other_member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
302 "public" BOOLEAN NOT NULL DEFAULT FALSE,
303 CONSTRAINT "cant_save_yourself_as_contact"
304 CHECK ("member_id" != "other_member_id") );
305 CREATE INDEX "contact_other_member_id_idx" ON "contact" ("other_member_id");
307 COMMENT ON TABLE "contact" IS 'Contact lists';
309 COMMENT ON COLUMN "contact"."member_id" IS 'Member having the contact list';
310 COMMENT ON COLUMN "contact"."other_member_id" IS 'Member referenced in the contact list';
311 COMMENT ON COLUMN "contact"."public" IS 'TRUE = display contact publically';
314 CREATE TABLE "ignored_member" (
315 PRIMARY KEY ("member_id", "other_member_id"),
316 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
317 "other_member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
318 CREATE INDEX "ignored_member_other_member_id_idx" ON "ignored_member" ("other_member_id");
320 COMMENT ON TABLE "ignored_member" IS 'Possibility to filter other members';
322 COMMENT ON COLUMN "ignored_member"."member_id" IS 'Member ignoring someone';
323 COMMENT ON COLUMN "ignored_member"."other_member_id" IS 'Member being ignored';
326 CREATE TABLE "session" (
327 "ident" TEXT PRIMARY KEY,
328 "additional_secret" TEXT,
329 "expiry" TIMESTAMPTZ NOT NULL DEFAULT now() + '24 hours',
330 "member_id" INT4 REFERENCES "member" ("id") ON DELETE SET NULL,
331 "authority" TEXT,
332 "authority_uid" TEXT,
333 "authority_login" TEXT,
334 "needs_delegation_check" BOOLEAN NOT NULL DEFAULT FALSE,
335 "lang" TEXT );
336 CREATE INDEX "session_expiry_idx" ON "session" ("expiry");
338 COMMENT ON TABLE "session" IS 'Sessions, i.e. for a web-frontend or API layer';
340 COMMENT ON COLUMN "session"."ident" IS 'Secret session identifier (i.e. random string)';
341 COMMENT ON COLUMN "session"."additional_secret" IS 'Additional field to store a secret, which can be used against CSRF attacks';
342 COMMENT ON COLUMN "session"."member_id" IS 'Reference to member, who is logged in';
343 COMMENT ON COLUMN "session"."authority" IS 'Temporary store for "member"."authority" during member account creation';
344 COMMENT ON COLUMN "session"."authority_uid" IS 'Temporary store for "member"."authority_uid" during member account creation';
345 COMMENT ON COLUMN "session"."authority_login" IS 'Temporary store for "member"."authority_login" during member account creation';
346 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';
347 COMMENT ON COLUMN "session"."lang" IS 'Language code of the selected language';
350 CREATE TYPE "defeat_strength" AS ENUM ('simple', 'tuple');
352 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';
355 CREATE TYPE "tie_breaking" AS ENUM ('simple', 'variant1', 'variant2');
357 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';
360 CREATE TABLE "policy" (
361 "id" SERIAL4 PRIMARY KEY,
362 "index" INT4 NOT NULL,
363 "active" BOOLEAN NOT NULL DEFAULT TRUE,
364 "name" TEXT NOT NULL UNIQUE,
365 "description" TEXT NOT NULL DEFAULT '',
366 "polling" BOOLEAN NOT NULL DEFAULT FALSE,
367 "min_admission_time" INTERVAL,
368 "max_admission_time" INTERVAL,
369 "discussion_time" INTERVAL,
370 "verification_time" INTERVAL,
371 "voting_time" INTERVAL,
372 "issue_quorum_num" INT4,
373 "issue_quorum_den" INT4,
374 "initiative_quorum_num" INT4 NOT NULL,
375 "initiative_quorum_den" INT4 NOT NULL,
376 "defeat_strength" "defeat_strength" NOT NULL DEFAULT 'tuple',
377 "tie_breaking" "tie_breaking" NOT NULL DEFAULT 'variant1',
378 "direct_majority_num" INT4 NOT NULL DEFAULT 1,
379 "direct_majority_den" INT4 NOT NULL DEFAULT 2,
380 "direct_majority_strict" BOOLEAN NOT NULL DEFAULT TRUE,
381 "direct_majority_positive" INT4 NOT NULL DEFAULT 0,
382 "direct_majority_non_negative" INT4 NOT NULL DEFAULT 0,
383 "indirect_majority_num" INT4 NOT NULL DEFAULT 1,
384 "indirect_majority_den" INT4 NOT NULL DEFAULT 2,
385 "indirect_majority_strict" BOOLEAN NOT NULL DEFAULT TRUE,
386 "indirect_majority_positive" INT4 NOT NULL DEFAULT 0,
387 "indirect_majority_non_negative" INT4 NOT NULL DEFAULT 0,
388 "no_reverse_beat_path" BOOLEAN NOT NULL DEFAULT FALSE,
389 "no_multistage_majority" BOOLEAN NOT NULL DEFAULT FALSE,
390 CONSTRAINT "timing" CHECK (
391 ( "polling" = FALSE AND
392 "min_admission_time" NOTNULL AND "max_admission_time" NOTNULL AND
393 "min_admission_time" <= "max_admission_time" AND
394 "discussion_time" NOTNULL AND
395 "verification_time" NOTNULL AND
396 "voting_time" NOTNULL ) OR
397 ( "polling" = TRUE AND
398 "min_admission_time" ISNULL AND "max_admission_time" ISNULL AND
399 "discussion_time" NOTNULL AND
400 "verification_time" NOTNULL AND
401 "voting_time" NOTNULL ) OR
402 ( "polling" = TRUE AND
403 "min_admission_time" ISNULL AND "max_admission_time" ISNULL AND
404 "discussion_time" ISNULL AND
405 "verification_time" ISNULL AND
406 "voting_time" ISNULL ) ),
407 CONSTRAINT "issue_quorum_if_and_only_if_not_polling" CHECK (
408 "polling" = ("issue_quorum_num" ISNULL) AND
409 "polling" = ("issue_quorum_den" ISNULL) ),
410 CONSTRAINT "no_reverse_beat_path_requires_tuple_defeat_strength" CHECK (
411 "defeat_strength" = 'tuple'::"defeat_strength" OR
412 "no_reverse_beat_path" = FALSE ) );
413 CREATE INDEX "policy_active_idx" ON "policy" ("active");
415 COMMENT ON TABLE "policy" IS 'Policies for a particular proceeding type (timelimits, quorum)';
417 COMMENT ON COLUMN "policy"."index" IS 'Determines the order in listings';
418 COMMENT ON COLUMN "policy"."active" IS 'TRUE = policy can be used for new issues';
419 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';
420 COMMENT ON COLUMN "policy"."min_admission_time" IS 'Minimum duration of issue state ''admission''; Minimum time an issue stays open';
421 COMMENT ON COLUMN "policy"."max_admission_time" IS 'Maximum duration of issue state ''admission''; Maximum time an issue stays open without being "accepted"';
422 COMMENT ON COLUMN "policy"."discussion_time" IS 'Duration of issue state ''discussion''; Regular time until an issue is "half_frozen" after being "accepted"';
423 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"';
424 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'')';
425 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''';
426 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''';
427 COMMENT ON COLUMN "policy"."initiative_quorum_num" IS 'Numerator of satisfied supporter quorum to be reached by an initiative to be "admitted" for voting';
428 COMMENT ON COLUMN "policy"."initiative_quorum_den" IS 'Denominator of satisfied supporter quorum to be reached by an initiative to be "admitted" for voting';
429 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';
430 COMMENT ON COLUMN "policy"."tie_breaking" IS 'Tie-breaker for the Schulze method; see type "tie_breaking"; ''variant1'' or ''variant2'' are recommended';
431 COMMENT ON COLUMN "policy"."direct_majority_num" IS 'Numerator of fraction of neccessary direct majority for initiatives to be attainable as winner';
432 COMMENT ON COLUMN "policy"."direct_majority_den" IS 'Denominator of fraction of neccessary direct majority for initaitives to be attainable as winner';
433 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.';
434 COMMENT ON COLUMN "policy"."direct_majority_positive" IS 'Absolute number of "positive_votes" neccessary for an initiative to be attainable as winner';
435 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';
436 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';
437 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';
438 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.';
439 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';
440 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';
441 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.';
442 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").';
445 CREATE TABLE "unit" (
446 "id" SERIAL4 PRIMARY KEY,
447 "parent_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
448 "active" BOOLEAN NOT NULL DEFAULT TRUE,
449 "name" TEXT NOT NULL,
450 "description" TEXT NOT NULL DEFAULT '',
451 "external_reference" TEXT,
452 "member_count" INT4,
453 "text_search_data" TSVECTOR );
454 CREATE INDEX "unit_root_idx" ON "unit" ("id") WHERE "parent_id" ISNULL;
455 CREATE INDEX "unit_parent_id_idx" ON "unit" ("parent_id");
456 CREATE INDEX "unit_active_idx" ON "unit" ("active");
457 CREATE INDEX "unit_text_search_data_idx" ON "unit" USING gin ("text_search_data");
458 CREATE TRIGGER "update_text_search_data"
459 BEFORE INSERT OR UPDATE ON "unit"
460 FOR EACH ROW EXECUTE PROCEDURE
461 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',
462 "name", "description" );
464 COMMENT ON TABLE "unit" IS 'Organizational units organized as trees; Delegations are not inherited through these trees.';
466 COMMENT ON COLUMN "unit"."parent_id" IS 'Parent id of tree node; Multiple roots allowed';
467 COMMENT ON COLUMN "unit"."active" IS 'TRUE means new issues can be created in areas of this unit';
468 COMMENT ON COLUMN "unit"."external_reference" IS 'Opaque data field to store an external reference';
469 COMMENT ON COLUMN "unit"."member_count" IS 'Count of members as determined by column "voting_right" in table "privilege"';
472 CREATE TABLE "subscription" (
473 PRIMARY KEY ("member_id", "unit_id"),
474 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
475 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
476 CREATE INDEX "subscription_unit_id_idx" ON "subscription" ("unit_id");
478 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';
481 CREATE TABLE "unit_setting" (
482 PRIMARY KEY ("member_id", "key", "unit_id"),
483 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
484 "key" TEXT NOT NULL,
485 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
486 "value" TEXT NOT NULL );
488 COMMENT ON TABLE "unit_setting" IS 'Place for frontend to store unit specific settings of members as strings';
491 CREATE TABLE "area" (
492 "id" SERIAL4 PRIMARY KEY,
493 "unit_id" INT4 NOT NULL REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
494 "active" BOOLEAN NOT NULL DEFAULT TRUE,
495 "name" TEXT NOT NULL,
496 "description" TEXT NOT NULL DEFAULT '',
497 "external_reference" TEXT,
498 "direct_member_count" INT4,
499 "member_weight" INT4,
500 "text_search_data" TSVECTOR );
501 CREATE INDEX "area_unit_id_idx" ON "area" ("unit_id");
502 CREATE INDEX "area_active_idx" ON "area" ("active");
503 CREATE INDEX "area_text_search_data_idx" ON "area" USING gin ("text_search_data");
504 CREATE TRIGGER "update_text_search_data"
505 BEFORE INSERT OR UPDATE ON "area"
506 FOR EACH ROW EXECUTE PROCEDURE
507 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',
508 "name", "description" );
510 COMMENT ON TABLE "area" IS 'Subject areas';
512 COMMENT ON COLUMN "area"."active" IS 'TRUE means new issues can be created in this area';
513 COMMENT ON COLUMN "area"."external_reference" IS 'Opaque data field to store an external reference';
514 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"';
515 COMMENT ON COLUMN "area"."member_weight" IS 'Same as "direct_member_count" but respecting delegations';
518 CREATE TABLE "ignored_area" (
519 PRIMARY KEY ("member_id", "area_id"),
520 "member_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
521 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
522 CREATE INDEX "ignored_area_area_id_idx" ON "ignored_area" ("area_id");
524 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';
527 CREATE TABLE "area_setting" (
528 PRIMARY KEY ("member_id", "key", "area_id"),
529 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
530 "key" TEXT NOT NULL,
531 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
532 "value" TEXT NOT NULL );
534 COMMENT ON TABLE "area_setting" IS 'Place for frontend to store area specific settings of members as strings';
537 CREATE TABLE "allowed_policy" (
538 PRIMARY KEY ("area_id", "policy_id"),
539 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
540 "policy_id" INT4 NOT NULL REFERENCES "policy" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
541 "default_policy" BOOLEAN NOT NULL DEFAULT FALSE );
542 CREATE UNIQUE INDEX "allowed_policy_one_default_per_area_idx" ON "allowed_policy" ("area_id") WHERE "default_policy";
544 COMMENT ON TABLE "allowed_policy" IS 'Selects which policies can be used in each area';
546 COMMENT ON COLUMN "allowed_policy"."default_policy" IS 'One policy per area can be set as default.';
549 CREATE TYPE "snapshot_event" AS ENUM ('periodic', 'end_of_admission', 'half_freeze', 'full_freeze');
551 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';
554 CREATE TYPE "issue_state" AS ENUM (
555 'admission', 'discussion', 'verification', 'voting',
556 'canceled_by_admin',
557 'canceled_revoked_before_accepted',
558 'canceled_issue_not_accepted',
559 'canceled_after_revocation_during_discussion',
560 'canceled_after_revocation_during_verification',
561 'canceled_no_initiative_admitted',
562 'finished_without_winner', 'finished_with_winner');
564 COMMENT ON TYPE "issue_state" IS 'State of issues';
567 CREATE TABLE "issue" (
568 "id" SERIAL4 PRIMARY KEY,
569 "area_id" INT4 NOT NULL REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
570 "policy_id" INT4 NOT NULL REFERENCES "policy" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
571 "admin_notice" TEXT,
572 "external_reference" TEXT,
573 "state" "issue_state" NOT NULL DEFAULT 'admission',
574 "phase_finished" TIMESTAMPTZ,
575 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
576 "accepted" TIMESTAMPTZ,
577 "half_frozen" TIMESTAMPTZ,
578 "fully_frozen" TIMESTAMPTZ,
579 "closed" TIMESTAMPTZ,
580 "cleaned" TIMESTAMPTZ,
581 "min_admission_time" INTERVAL,
582 "max_admission_time" INTERVAL,
583 "discussion_time" INTERVAL NOT NULL,
584 "verification_time" INTERVAL NOT NULL,
585 "voting_time" INTERVAL NOT NULL,
586 "snapshot" TIMESTAMPTZ,
587 "latest_snapshot_event" "snapshot_event",
588 "population" INT4,
589 "voter_count" INT4,
590 "status_quo_schulze_rank" INT4,
591 CONSTRAINT "admission_time_not_null_unless_instantly_accepted" CHECK (
592 ("min_admission_time" NOTNULL) = ("max_admission_time" NOTNULL) AND
593 ("min_admission_time" NOTNULL OR ("accepted" NOTNULL AND "accepted" = "created")) ),
594 CONSTRAINT "valid_state" CHECK (
595 (
596 ("accepted" ISNULL AND "half_frozen" ISNULL AND "fully_frozen" ISNULL ) OR
597 ("accepted" NOTNULL AND "half_frozen" ISNULL AND "fully_frozen" ISNULL ) OR
598 ("accepted" NOTNULL AND "half_frozen" NOTNULL AND "fully_frozen" ISNULL ) OR
599 ("accepted" NOTNULL AND "half_frozen" NOTNULL AND "fully_frozen" NOTNULL)
600 ) AND (
601 ("state" = 'admission' AND "closed" ISNULL AND "accepted" ISNULL) OR
602 ("state" = 'discussion' AND "closed" ISNULL AND "accepted" NOTNULL AND "half_frozen" ISNULL) OR
603 ("state" = 'verification' AND "closed" ISNULL AND "half_frozen" NOTNULL AND "fully_frozen" ISNULL) OR
604 ("state" = 'voting' AND "closed" ISNULL AND "fully_frozen" NOTNULL) OR
605 ("state" = 'canceled_by_admin' AND "closed" NOTNULL) OR
606 ("state" = 'canceled_revoked_before_accepted' AND "closed" NOTNULL AND "accepted" ISNULL) OR
607 ("state" = 'canceled_issue_not_accepted' AND "closed" NOTNULL AND "accepted" ISNULL) OR
608 ("state" = 'canceled_after_revocation_during_discussion' AND "closed" NOTNULL AND "half_frozen" ISNULL) OR
609 ("state" = 'canceled_after_revocation_during_verification' AND "closed" NOTNULL AND "fully_frozen" ISNULL) OR
610 ("state" = 'canceled_no_initiative_admitted' AND "closed" NOTNULL AND "fully_frozen" NOTNULL AND "closed" = "fully_frozen") OR
611 ("state" = 'finished_without_winner' AND "closed" NOTNULL AND "fully_frozen" NOTNULL AND "closed" != "fully_frozen") OR
612 ("state" = 'finished_with_winner' AND "closed" NOTNULL AND "fully_frozen" NOTNULL AND "closed" != "fully_frozen")
613 )),
614 CONSTRAINT "phase_finished_only_when_not_closed" CHECK (
615 "phase_finished" ISNULL OR "closed" ISNULL ),
616 CONSTRAINT "state_change_order" CHECK (
617 "created" <= "accepted" AND
618 "accepted" <= "half_frozen" AND
619 "half_frozen" <= "fully_frozen" AND
620 "fully_frozen" <= "closed" ),
621 CONSTRAINT "only_closed_issues_may_be_cleaned" CHECK (
622 "cleaned" ISNULL OR "closed" NOTNULL ),
623 CONSTRAINT "last_snapshot_on_full_freeze"
624 CHECK ("snapshot" = "fully_frozen"), -- NOTE: snapshot can be set, while frozen is NULL yet
625 CONSTRAINT "freeze_requires_snapshot"
626 CHECK ("fully_frozen" ISNULL OR "snapshot" NOTNULL),
627 CONSTRAINT "set_both_or_none_of_snapshot_and_latest_snapshot_event"
628 CHECK (("snapshot" NOTNULL) = ("latest_snapshot_event" NOTNULL)) );
629 CREATE INDEX "issue_area_id_idx" ON "issue" ("area_id");
630 CREATE INDEX "issue_policy_id_idx" ON "issue" ("policy_id");
631 CREATE INDEX "issue_created_idx" ON "issue" ("created");
632 CREATE INDEX "issue_accepted_idx" ON "issue" ("accepted");
633 CREATE INDEX "issue_half_frozen_idx" ON "issue" ("half_frozen");
634 CREATE INDEX "issue_fully_frozen_idx" ON "issue" ("fully_frozen");
635 CREATE INDEX "issue_closed_idx" ON "issue" ("closed");
636 CREATE INDEX "issue_created_idx_open" ON "issue" ("created") WHERE "closed" ISNULL;
637 CREATE INDEX "issue_closed_idx_canceled" ON "issue" ("closed") WHERE "fully_frozen" ISNULL;
639 COMMENT ON TABLE "issue" IS 'Groups of initiatives';
641 COMMENT ON COLUMN "issue"."admin_notice" IS 'Public notice by admin to explain manual interventions, or to announce corrections';
642 COMMENT ON COLUMN "issue"."external_reference" IS 'Opaque data field to store an external reference';
643 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';
644 COMMENT ON COLUMN "issue"."accepted" IS 'Point in time, when one initiative of issue reached the "issue_quorum"';
645 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.';
646 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.';
647 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.';
648 COMMENT ON COLUMN "issue"."cleaned" IS 'Point in time, when discussion data and votes had been deleted';
649 COMMENT ON COLUMN "issue"."min_admission_time" IS 'Copied from "policy" table at creation of issue';
650 COMMENT ON COLUMN "issue"."max_admission_time" IS 'Copied from "policy" table at creation of issue';
651 COMMENT ON COLUMN "issue"."discussion_time" IS 'Copied from "policy" table at creation of issue';
652 COMMENT ON COLUMN "issue"."verification_time" IS 'Copied from "policy" table at creation of issue';
653 COMMENT ON COLUMN "issue"."voting_time" IS 'Copied from "policy" table at creation of issue';
654 COMMENT ON COLUMN "issue"."snapshot" IS 'Point in time, when snapshot tables have been updated and "population" and *_count values were precalculated';
655 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';
656 COMMENT ON COLUMN "issue"."population" IS 'Sum of "weight" column in table "direct_population_snapshot"';
657 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';
658 COMMENT ON COLUMN "issue"."status_quo_schulze_rank" IS 'Schulze rank of status quo, as calculated by "calculate_ranks" function';
661 CREATE TABLE "issue_order_in_admission_state" (
662 "id" INT8 PRIMARY KEY, --REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
663 "order_in_area" INT4,
664 "order_in_unit" INT4 );
666 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"';
668 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';
669 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';
670 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';
673 CREATE TABLE "issue_setting" (
674 PRIMARY KEY ("member_id", "key", "issue_id"),
675 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
676 "key" TEXT NOT NULL,
677 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
678 "value" TEXT NOT NULL );
680 COMMENT ON TABLE "issue_setting" IS 'Place for frontend to store issue specific settings of members as strings';
683 CREATE TABLE "initiative" (
684 UNIQUE ("issue_id", "id"), -- index needed for foreign-key on table "vote"
685 "issue_id" INT4 NOT NULL REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
686 "id" SERIAL4 PRIMARY KEY,
687 "name" TEXT NOT NULL,
688 "polling" BOOLEAN NOT NULL DEFAULT FALSE,
689 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
690 "revoked" TIMESTAMPTZ,
691 "revoked_by_member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
692 "suggested_initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
693 "external_reference" TEXT,
694 "admitted" BOOLEAN,
695 "supporter_count" INT4,
696 "informed_supporter_count" INT4,
697 "satisfied_supporter_count" INT4,
698 "satisfied_informed_supporter_count" INT4,
699 "harmonic_weight" NUMERIC(12, 3),
700 "final_suggestion_order_calculated" BOOLEAN NOT NULL DEFAULT FALSE,
701 "first_preference_votes" INT4,
702 "positive_votes" INT4,
703 "negative_votes" INT4,
704 "direct_majority" BOOLEAN,
705 "indirect_majority" BOOLEAN,
706 "schulze_rank" INT4,
707 "better_than_status_quo" BOOLEAN,
708 "worse_than_status_quo" BOOLEAN,
709 "reverse_beat_path" BOOLEAN,
710 "multistage_majority" BOOLEAN,
711 "eligible" BOOLEAN,
712 "winner" BOOLEAN,
713 "rank" INT4,
714 "text_search_data" TSVECTOR,
715 CONSTRAINT "all_or_none_of_revoked_and_revoked_by_member_id_must_be_null"
716 CHECK (("revoked" NOTNULL) = ("revoked_by_member_id" NOTNULL)),
717 CONSTRAINT "non_revoked_initiatives_cant_suggest_other"
718 CHECK ("revoked" NOTNULL OR "suggested_initiative_id" ISNULL),
719 CONSTRAINT "revoked_initiatives_cant_be_admitted"
720 CHECK ("revoked" ISNULL OR "admitted" ISNULL),
721 CONSTRAINT "non_admitted_initiatives_cant_contain_voting_results" CHECK (
722 ( "admitted" NOTNULL AND "admitted" = TRUE ) OR
723 ( "first_preference_votes" ISNULL AND
724 "positive_votes" ISNULL AND "negative_votes" ISNULL AND
725 "direct_majority" ISNULL AND "indirect_majority" ISNULL AND
726 "schulze_rank" ISNULL AND
727 "better_than_status_quo" ISNULL AND "worse_than_status_quo" ISNULL AND
728 "reverse_beat_path" ISNULL AND "multistage_majority" ISNULL AND
729 "eligible" ISNULL AND "winner" ISNULL AND "rank" ISNULL ) ),
730 CONSTRAINT "better_excludes_worse" CHECK (NOT ("better_than_status_quo" AND "worse_than_status_quo")),
731 CONSTRAINT "minimum_requirement_to_be_eligible" CHECK (
732 "eligible" = FALSE OR
733 ("direct_majority" AND "indirect_majority" AND "better_than_status_quo") ),
734 CONSTRAINT "winner_must_be_eligible" CHECK ("winner"=FALSE OR "eligible"=TRUE),
735 CONSTRAINT "winner_must_have_first_rank" CHECK ("winner"=FALSE OR "rank"=1),
736 CONSTRAINT "eligible_at_first_rank_is_winner" CHECK ("eligible"=FALSE OR "rank"!=1 OR "winner"=TRUE),
737 CONSTRAINT "unique_rank_per_issue" UNIQUE ("issue_id", "rank") );
738 CREATE INDEX "initiative_created_idx" ON "initiative" ("created");
739 CREATE INDEX "initiative_revoked_idx" ON "initiative" ("revoked");
740 CREATE INDEX "initiative_text_search_data_idx" ON "initiative" USING gin ("text_search_data");
741 CREATE TRIGGER "update_text_search_data"
742 BEFORE INSERT OR UPDATE ON "initiative"
743 FOR EACH ROW EXECUTE PROCEDURE
744 tsvector_update_trigger('text_search_data', 'pg_catalog.simple', "name");
746 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.';
748 COMMENT ON COLUMN "initiative"."polling" IS 'Initiative does not need to pass the initiative quorum (see "policy"."polling")';
749 COMMENT ON COLUMN "initiative"."revoked" IS 'Point in time, when one initiator decided to revoke the initiative';
750 COMMENT ON COLUMN "initiative"."revoked_by_member_id" IS 'Member, who decided to revoke the initiative';
751 COMMENT ON COLUMN "initiative"."external_reference" IS 'Opaque data field to store an external reference';
752 COMMENT ON COLUMN "initiative"."admitted" IS 'TRUE, if initiative reaches the "initiative_quorum" when freezing the issue';
753 COMMENT ON COLUMN "initiative"."supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';
754 COMMENT ON COLUMN "initiative"."informed_supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';
755 COMMENT ON COLUMN "initiative"."satisfied_supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';
756 COMMENT ON COLUMN "initiative"."satisfied_informed_supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';
757 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';
758 COMMENT ON COLUMN "initiative"."final_suggestion_order_calculated" IS 'Set to TRUE, when "proportional_order" of suggestions has been calculated the last time';
759 COMMENT ON COLUMN "initiative"."first_preference_votes" IS 'Number of direct and delegating voters who ranked this initiative as their first choice';
760 COMMENT ON COLUMN "initiative"."positive_votes" IS 'Number of direct and delegating voters who ranked this initiative better than the status quo';
761 COMMENT ON COLUMN "initiative"."negative_votes" IS 'Number of direct and delegating voters who ranked this initiative worse than the status quo';
762 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"';
763 COMMENT ON COLUMN "initiative"."indirect_majority" IS 'Same as "direct_majority", but also considering indirect beat paths';
764 COMMENT ON COLUMN "initiative"."schulze_rank" IS 'Schulze-Ranking';
765 COMMENT ON COLUMN "initiative"."better_than_status_quo" IS 'TRUE, if initiative has a schulze-ranking better than the status quo';
766 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)';
767 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''';
768 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';
769 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"';
770 COMMENT ON COLUMN "initiative"."winner" IS 'Winner is the "eligible" initiative with best "schulze_rank"';
771 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';
774 CREATE TABLE "battle" (
775 "issue_id" INT4 NOT NULL,
776 "winning_initiative_id" INT4,
777 FOREIGN KEY ("issue_id", "winning_initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
778 "losing_initiative_id" INT4,
779 FOREIGN KEY ("issue_id", "losing_initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
780 "count" INT4 NOT NULL,
781 CONSTRAINT "initiative_ids_not_equal" CHECK (
782 "winning_initiative_id" != "losing_initiative_id" OR
783 ( ("winning_initiative_id" NOTNULL AND "losing_initiative_id" ISNULL) OR
784 ("winning_initiative_id" ISNULL AND "losing_initiative_id" NOTNULL) ) ) );
785 CREATE UNIQUE INDEX "battle_winning_losing_idx" ON "battle" ("issue_id", "winning_initiative_id", "losing_initiative_id");
786 CREATE UNIQUE INDEX "battle_winning_null_idx" ON "battle" ("issue_id", "winning_initiative_id") WHERE "losing_initiative_id" ISNULL;
787 CREATE UNIQUE INDEX "battle_null_losing_idx" ON "battle" ("issue_id", "losing_initiative_id") WHERE "winning_initiative_id" ISNULL;
789 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';
792 CREATE TABLE "ignored_initiative" (
793 PRIMARY KEY ("member_id", "initiative_id"),
794 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
795 "initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
796 CREATE INDEX "ignored_initiative_initiative_id_idx" ON "ignored_initiative" ("initiative_id");
798 COMMENT ON TABLE "ignored_initiative" IS 'Possibility to filter initiatives';
801 CREATE TABLE "initiative_setting" (
802 PRIMARY KEY ("member_id", "key", "initiative_id"),
803 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
804 "key" TEXT NOT NULL,
805 "initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
806 "value" TEXT NOT NULL );
808 COMMENT ON TABLE "initiative_setting" IS 'Place for frontend to store initiative specific settings of members as strings';
811 CREATE TABLE "draft" (
812 UNIQUE ("initiative_id", "id"), -- index needed for foreign-key on table "supporter"
813 "initiative_id" INT4 NOT NULL REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
814 "id" SERIAL8 PRIMARY KEY,
815 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
816 "author_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
817 "formatting_engine" TEXT,
818 "content" TEXT NOT NULL,
819 "external_reference" TEXT,
820 "text_search_data" TSVECTOR );
821 CREATE INDEX "draft_created_idx" ON "draft" ("created");
822 CREATE INDEX "draft_author_id_created_idx" ON "draft" ("author_id", "created");
823 CREATE INDEX "draft_text_search_data_idx" ON "draft" USING gin ("text_search_data");
824 CREATE TRIGGER "update_text_search_data"
825 BEFORE INSERT OR UPDATE ON "draft"
826 FOR EACH ROW EXECUTE PROCEDURE
827 tsvector_update_trigger('text_search_data', 'pg_catalog.simple', "content");
829 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.';
831 COMMENT ON COLUMN "draft"."formatting_engine" IS 'Allows different formatting engines (i.e. wiki formats) to be used';
832 COMMENT ON COLUMN "draft"."content" IS 'Text of the draft in a format depending on the field "formatting_engine"';
833 COMMENT ON COLUMN "draft"."external_reference" IS 'Opaque data field to store an external reference';
836 CREATE TABLE "rendered_draft" (
837 PRIMARY KEY ("draft_id", "format"),
838 "draft_id" INT8 REFERENCES "draft" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
839 "format" TEXT,
840 "content" TEXT NOT NULL );
842 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)';
845 CREATE TABLE "suggestion" (
846 UNIQUE ("initiative_id", "id"), -- index needed for foreign-key on table "opinion"
847 "initiative_id" INT4 NOT NULL REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
848 "id" SERIAL8 PRIMARY KEY,
849 "draft_id" INT8 NOT NULL,
850 FOREIGN KEY ("initiative_id", "draft_id") REFERENCES "draft" ("initiative_id", "id") ON DELETE NO ACTION ON UPDATE CASCADE,
851 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
852 "author_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
853 "name" TEXT NOT NULL,
854 "formatting_engine" TEXT,
855 "content" TEXT NOT NULL DEFAULT '',
856 "external_reference" TEXT,
857 "text_search_data" TSVECTOR,
858 "minus2_unfulfilled_count" INT4,
859 "minus2_fulfilled_count" INT4,
860 "minus1_unfulfilled_count" INT4,
861 "minus1_fulfilled_count" INT4,
862 "plus1_unfulfilled_count" INT4,
863 "plus1_fulfilled_count" INT4,
864 "plus2_unfulfilled_count" INT4,
865 "plus2_fulfilled_count" INT4,
866 "proportional_order" INT4 );
867 CREATE INDEX "suggestion_created_idx" ON "suggestion" ("created");
868 CREATE INDEX "suggestion_author_id_created_idx" ON "suggestion" ("author_id", "created");
869 CREATE INDEX "suggestion_text_search_data_idx" ON "suggestion" USING gin ("text_search_data");
870 CREATE TRIGGER "update_text_search_data"
871 BEFORE INSERT OR UPDATE ON "suggestion"
872 FOR EACH ROW EXECUTE PROCEDURE
873 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',
874 "name", "content");
876 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';
878 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")';
879 COMMENT ON COLUMN "suggestion"."external_reference" IS 'Opaque data field to store an external reference';
880 COMMENT ON COLUMN "suggestion"."minus2_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
881 COMMENT ON COLUMN "suggestion"."minus2_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
882 COMMENT ON COLUMN "suggestion"."minus1_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
883 COMMENT ON COLUMN "suggestion"."minus1_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
884 COMMENT ON COLUMN "suggestion"."plus1_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
885 COMMENT ON COLUMN "suggestion"."plus1_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
886 COMMENT ON COLUMN "suggestion"."plus2_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
887 COMMENT ON COLUMN "suggestion"."plus2_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
888 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"';
891 CREATE TABLE "rendered_suggestion" (
892 PRIMARY KEY ("suggestion_id", "format"),
893 "suggestion_id" INT8 REFERENCES "suggestion" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
894 "format" TEXT,
895 "content" TEXT NOT NULL );
897 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)';
900 CREATE TABLE "suggestion_setting" (
901 PRIMARY KEY ("member_id", "key", "suggestion_id"),
902 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
903 "key" TEXT NOT NULL,
904 "suggestion_id" INT8 REFERENCES "suggestion" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
905 "value" TEXT NOT NULL );
907 COMMENT ON TABLE "suggestion_setting" IS 'Place for frontend to store suggestion specific settings of members as strings';
910 CREATE TABLE "privilege" (
911 PRIMARY KEY ("unit_id", "member_id"),
912 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
913 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
914 "admin_manager" BOOLEAN NOT NULL DEFAULT FALSE,
915 "unit_manager" BOOLEAN NOT NULL DEFAULT FALSE,
916 "area_manager" BOOLEAN NOT NULL DEFAULT FALSE,
917 "member_manager" BOOLEAN NOT NULL DEFAULT FALSE,
918 "initiative_right" BOOLEAN NOT NULL DEFAULT TRUE,
919 "voting_right" BOOLEAN NOT NULL DEFAULT TRUE,
920 "polling_right" BOOLEAN NOT NULL DEFAULT FALSE );
922 COMMENT ON TABLE "privilege" IS 'Members rights related to each unit';
924 COMMENT ON COLUMN "privilege"."admin_manager" IS 'Grant/revoke any privileges to/from other members';
925 COMMENT ON COLUMN "privilege"."unit_manager" IS 'Create and disable sub units';
926 COMMENT ON COLUMN "privilege"."area_manager" IS 'Create and disable areas and set area parameters';
927 COMMENT ON COLUMN "privilege"."member_manager" IS 'Adding/removing members from the unit, granting or revoking "initiative_right" and "voting_right"';
928 COMMENT ON COLUMN "privilege"."initiative_right" IS 'Right to create an initiative';
929 COMMENT ON COLUMN "privilege"."voting_right" IS 'Right to support initiatives, create and rate suggestions, and to vote';
930 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';
933 CREATE TABLE "membership" (
934 PRIMARY KEY ("area_id", "member_id"),
935 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
936 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
937 CREATE INDEX "membership_member_id_idx" ON "membership" ("member_id");
939 COMMENT ON TABLE "membership" IS 'Interest of members in topic areas';
942 CREATE TABLE "interest" (
943 PRIMARY KEY ("issue_id", "member_id"),
944 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
945 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
946 CREATE INDEX "interest_member_id_idx" ON "interest" ("member_id");
948 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.';
951 CREATE TABLE "initiator" (
952 PRIMARY KEY ("initiative_id", "member_id"),
953 "initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
954 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
955 "accepted" BOOLEAN );
956 CREATE INDEX "initiator_member_id_idx" ON "initiator" ("member_id");
958 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.';
960 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.';
963 CREATE TABLE "supporter" (
964 "issue_id" INT4 NOT NULL,
965 PRIMARY KEY ("initiative_id", "member_id"),
966 "initiative_id" INT4,
967 "member_id" INT4,
968 "draft_id" INT8 NOT NULL,
969 FOREIGN KEY ("issue_id", "member_id") REFERENCES "interest" ("issue_id", "member_id") ON DELETE CASCADE ON UPDATE CASCADE,
970 FOREIGN KEY ("initiative_id", "draft_id") REFERENCES "draft" ("initiative_id", "id") ON DELETE NO ACTION ON UPDATE CASCADE );
971 CREATE INDEX "supporter_member_id_idx" ON "supporter" ("member_id");
973 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.';
975 COMMENT ON COLUMN "supporter"."issue_id" IS 'WARNING: No index: For selections use column "initiative_id" and join via table "initiative" where neccessary';
976 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")';
979 CREATE TABLE "opinion" (
980 "initiative_id" INT4 NOT NULL,
981 PRIMARY KEY ("suggestion_id", "member_id"),
982 "suggestion_id" INT8,
983 "member_id" INT4,
984 "degree" INT2 NOT NULL CHECK ("degree" >= -2 AND "degree" <= 2 AND "degree" != 0),
985 "fulfilled" BOOLEAN NOT NULL DEFAULT FALSE,
986 FOREIGN KEY ("initiative_id", "suggestion_id") REFERENCES "suggestion" ("initiative_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
987 FOREIGN KEY ("initiative_id", "member_id") REFERENCES "supporter" ("initiative_id", "member_id") ON DELETE CASCADE ON UPDATE CASCADE );
988 CREATE INDEX "opinion_member_id_initiative_id_idx" ON "opinion" ("member_id", "initiative_id");
990 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.';
992 COMMENT ON COLUMN "opinion"."degree" IS '2 = fulfillment required for support; 1 = fulfillment desired; -1 = fulfillment unwanted; -2 = fulfillment cancels support';
995 CREATE TYPE "delegation_scope" AS ENUM ('unit', 'area', 'issue');
997 COMMENT ON TYPE "delegation_scope" IS 'Scope for delegations: ''unit'', ''area'', or ''issue'' (order is relevant)';
1000 CREATE TABLE "delegation" (
1001 "id" SERIAL8 PRIMARY KEY,
1002 "truster_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1003 "trustee_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1004 "scope" "delegation_scope" NOT NULL,
1005 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1006 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1007 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1008 CONSTRAINT "cant_delegate_to_yourself" CHECK ("truster_id" != "trustee_id"),
1009 CONSTRAINT "no_unit_delegation_to_null"
1010 CHECK ("trustee_id" NOTNULL OR "scope" != 'unit'),
1011 CONSTRAINT "area_id_and_issue_id_set_according_to_scope" CHECK (
1012 ("scope" = 'unit' AND "unit_id" NOTNULL AND "area_id" ISNULL AND "issue_id" ISNULL ) OR
1013 ("scope" = 'area' AND "unit_id" ISNULL AND "area_id" NOTNULL AND "issue_id" ISNULL ) OR
1014 ("scope" = 'issue' AND "unit_id" ISNULL AND "area_id" ISNULL AND "issue_id" NOTNULL) ),
1015 UNIQUE ("unit_id", "truster_id"),
1016 UNIQUE ("area_id", "truster_id"),
1017 UNIQUE ("issue_id", "truster_id") );
1018 CREATE INDEX "delegation_truster_id_idx" ON "delegation" ("truster_id");
1019 CREATE INDEX "delegation_trustee_id_idx" ON "delegation" ("trustee_id");
1021 COMMENT ON TABLE "delegation" IS 'Delegation of vote-weight to other members';
1023 COMMENT ON COLUMN "delegation"."unit_id" IS 'Reference to unit, if delegation is unit-wide, otherwise NULL';
1024 COMMENT ON COLUMN "delegation"."area_id" IS 'Reference to area, if delegation is area-wide, otherwise NULL';
1025 COMMENT ON COLUMN "delegation"."issue_id" IS 'Reference to issue, if delegation is issue-wide, otherwise NULL';
1028 CREATE TABLE "direct_population_snapshot" (
1029 PRIMARY KEY ("issue_id", "event", "member_id"),
1030 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1031 "event" "snapshot_event",
1032 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1033 "weight" INT4 );
1034 CREATE INDEX "direct_population_snapshot_member_id_idx" ON "direct_population_snapshot" ("member_id");
1036 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';
1038 COMMENT ON COLUMN "direct_population_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1039 COMMENT ON COLUMN "direct_population_snapshot"."weight" IS 'Weight of member (1 or higher) according to "delegating_population_snapshot"';
1042 CREATE TABLE "delegating_population_snapshot" (
1043 PRIMARY KEY ("issue_id", "event", "member_id"),
1044 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1045 "event" "snapshot_event",
1046 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1047 "weight" INT4,
1048 "scope" "delegation_scope" NOT NULL,
1049 "delegate_member_ids" INT4[] NOT NULL );
1050 CREATE INDEX "delegating_population_snapshot_member_id_idx" ON "delegating_population_snapshot" ("member_id");
1052 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';
1054 COMMENT ON COLUMN "delegating_population_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1055 COMMENT ON COLUMN "delegating_population_snapshot"."member_id" IS 'Delegating member';
1056 COMMENT ON COLUMN "delegating_population_snapshot"."weight" IS 'Intermediate weight';
1057 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"';
1060 CREATE TABLE "direct_interest_snapshot" (
1061 PRIMARY KEY ("issue_id", "event", "member_id"),
1062 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1063 "event" "snapshot_event",
1064 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1065 "weight" INT4 );
1066 CREATE INDEX "direct_interest_snapshot_member_id_idx" ON "direct_interest_snapshot" ("member_id");
1068 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';
1070 COMMENT ON COLUMN "direct_interest_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1071 COMMENT ON COLUMN "direct_interest_snapshot"."weight" IS 'Weight of member (1 or higher) according to "delegating_interest_snapshot"';
1074 CREATE TABLE "delegating_interest_snapshot" (
1075 PRIMARY KEY ("issue_id", "event", "member_id"),
1076 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1077 "event" "snapshot_event",
1078 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1079 "weight" INT4,
1080 "scope" "delegation_scope" NOT NULL,
1081 "delegate_member_ids" INT4[] NOT NULL );
1082 CREATE INDEX "delegating_interest_snapshot_member_id_idx" ON "delegating_interest_snapshot" ("member_id");
1084 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';
1086 COMMENT ON COLUMN "delegating_interest_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1087 COMMENT ON COLUMN "delegating_interest_snapshot"."member_id" IS 'Delegating member';
1088 COMMENT ON COLUMN "delegating_interest_snapshot"."weight" IS 'Intermediate weight';
1089 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"';
1092 CREATE TABLE "direct_supporter_snapshot" (
1093 "issue_id" INT4 NOT NULL,
1094 PRIMARY KEY ("initiative_id", "event", "member_id"),
1095 "initiative_id" INT4,
1096 "event" "snapshot_event",
1097 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1098 "draft_id" INT8 NOT NULL,
1099 "informed" BOOLEAN NOT NULL,
1100 "satisfied" BOOLEAN NOT NULL,
1101 FOREIGN KEY ("issue_id", "initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
1102 FOREIGN KEY ("initiative_id", "draft_id") REFERENCES "draft" ("initiative_id", "id") ON DELETE NO ACTION ON UPDATE CASCADE,
1103 FOREIGN KEY ("issue_id", "event", "member_id") REFERENCES "direct_interest_snapshot" ("issue_id", "event", "member_id") ON DELETE CASCADE ON UPDATE CASCADE );
1104 CREATE INDEX "direct_supporter_snapshot_member_id_idx" ON "direct_supporter_snapshot" ("member_id");
1106 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';
1108 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';
1109 COMMENT ON COLUMN "direct_supporter_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1110 COMMENT ON COLUMN "direct_supporter_snapshot"."informed" IS 'Supporter has seen the latest draft of the initiative';
1111 COMMENT ON COLUMN "direct_supporter_snapshot"."satisfied" IS 'Supporter has no "critical_opinion"s';
1114 CREATE TABLE "non_voter" (
1115 PRIMARY KEY ("issue_id", "member_id"),
1116 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1117 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
1118 CREATE INDEX "non_voter_member_id_idx" ON "non_voter" ("member_id");
1120 COMMENT ON TABLE "non_voter" IS 'Members who decided to not vote directly on an issue';
1123 CREATE TABLE "direct_voter" (
1124 PRIMARY KEY ("issue_id", "member_id"),
1125 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1126 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1127 "weight" INT4,
1128 "comment_changed" TIMESTAMPTZ,
1129 "formatting_engine" TEXT,
1130 "comment" TEXT,
1131 "text_search_data" TSVECTOR );
1132 CREATE INDEX "direct_voter_member_id_idx" ON "direct_voter" ("member_id");
1133 CREATE INDEX "direct_voter_text_search_data_idx" ON "direct_voter" USING gin ("text_search_data");
1134 CREATE TRIGGER "update_text_search_data"
1135 BEFORE INSERT OR UPDATE ON "direct_voter"
1136 FOR EACH ROW EXECUTE PROCEDURE
1137 tsvector_update_trigger('text_search_data', 'pg_catalog.simple', "comment");
1139 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';
1141 COMMENT ON COLUMN "direct_voter"."weight" IS 'Weight of member (1 or higher) according to "delegating_voter" table';
1142 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';
1143 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';
1144 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.';
1147 CREATE TABLE "rendered_voter_comment" (
1148 PRIMARY KEY ("issue_id", "member_id", "format"),
1149 FOREIGN KEY ("issue_id", "member_id")
1150 REFERENCES "direct_voter" ("issue_id", "member_id")
1151 ON DELETE CASCADE ON UPDATE CASCADE,
1152 "issue_id" INT4,
1153 "member_id" INT4,
1154 "format" TEXT,
1155 "content" TEXT NOT NULL );
1157 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)';
1160 CREATE TABLE "delegating_voter" (
1161 PRIMARY KEY ("issue_id", "member_id"),
1162 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1163 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1164 "weight" INT4,
1165 "scope" "delegation_scope" NOT NULL,
1166 "delegate_member_ids" INT4[] NOT NULL );
1167 CREATE INDEX "delegating_voter_member_id_idx" ON "delegating_voter" ("member_id");
1169 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';
1171 COMMENT ON COLUMN "delegating_voter"."member_id" IS 'Delegating member';
1172 COMMENT ON COLUMN "delegating_voter"."weight" IS 'Intermediate weight';
1173 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"';
1176 CREATE TABLE "vote" (
1177 "issue_id" INT4 NOT NULL,
1178 PRIMARY KEY ("initiative_id", "member_id"),
1179 "initiative_id" INT4,
1180 "member_id" INT4,
1181 "grade" INT4 NOT NULL,
1182 "first_preference" BOOLEAN,
1183 FOREIGN KEY ("issue_id", "initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
1184 FOREIGN KEY ("issue_id", "member_id") REFERENCES "direct_voter" ("issue_id", "member_id") ON DELETE CASCADE ON UPDATE CASCADE,
1185 CONSTRAINT "first_preference_flag_only_set_on_positive_grades"
1186 CHECK ("grade" > 0 OR "first_preference" ISNULL) );
1187 CREATE INDEX "vote_member_id_idx" ON "vote" ("member_id");
1189 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';
1191 COMMENT ON COLUMN "vote"."issue_id" IS 'WARNING: No index: For selections use column "initiative_id" and join via table "initiative" where neccessary';
1192 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.';
1193 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.';
1196 CREATE TYPE "event_type" AS ENUM (
1197 'issue_state_changed',
1198 'initiative_created_in_new_issue',
1199 'initiative_created_in_existing_issue',
1200 'initiative_revoked',
1201 'new_draft_created',
1202 'suggestion_created');
1204 COMMENT ON TYPE "event_type" IS 'Type used for column "event" of table "event"';
1207 CREATE TABLE "event" (
1208 "id" SERIAL8 PRIMARY KEY,
1209 "occurrence" TIMESTAMPTZ NOT NULL DEFAULT now(),
1210 "event" "event_type" NOT NULL,
1211 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
1212 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1213 "state" "issue_state",
1214 "initiative_id" INT4,
1215 "draft_id" INT8,
1216 "suggestion_id" INT8,
1217 FOREIGN KEY ("issue_id", "initiative_id")
1218 REFERENCES "initiative" ("issue_id", "id")
1219 ON DELETE CASCADE ON UPDATE CASCADE,
1220 FOREIGN KEY ("initiative_id", "draft_id")
1221 REFERENCES "draft" ("initiative_id", "id")
1222 ON DELETE CASCADE ON UPDATE CASCADE,
1223 FOREIGN KEY ("initiative_id", "suggestion_id")
1224 REFERENCES "suggestion" ("initiative_id", "id")
1225 ON DELETE CASCADE ON UPDATE CASCADE,
1226 CONSTRAINT "null_constr_for_issue_state_changed" CHECK (
1227 "event" != 'issue_state_changed' OR (
1228 "member_id" ISNULL AND
1229 "issue_id" NOTNULL AND
1230 "state" NOTNULL AND
1231 "initiative_id" ISNULL AND
1232 "draft_id" ISNULL AND
1233 "suggestion_id" ISNULL )),
1234 CONSTRAINT "null_constr_for_initiative_creation_or_revocation_or_new_draft" CHECK (
1235 "event" NOT IN (
1236 'initiative_created_in_new_issue',
1237 'initiative_created_in_existing_issue',
1238 'initiative_revoked',
1239 'new_draft_created'
1240 ) OR (
1241 "member_id" NOTNULL AND
1242 "issue_id" NOTNULL AND
1243 "state" NOTNULL AND
1244 "initiative_id" NOTNULL AND
1245 "draft_id" NOTNULL AND
1246 "suggestion_id" ISNULL )),
1247 CONSTRAINT "null_constr_for_suggestion_creation" CHECK (
1248 "event" != 'suggestion_created' OR (
1249 "member_id" NOTNULL AND
1250 "issue_id" NOTNULL AND
1251 "state" NOTNULL AND
1252 "initiative_id" NOTNULL AND
1253 "draft_id" ISNULL AND
1254 "suggestion_id" NOTNULL )) );
1255 CREATE INDEX "event_occurrence_idx" ON "event" ("occurrence");
1257 COMMENT ON TABLE "event" IS 'Event table, automatically filled by triggers';
1259 COMMENT ON COLUMN "event"."occurrence" IS 'Point in time, when event occurred';
1260 COMMENT ON COLUMN "event"."event" IS 'Type of event (see TYPE "event_type")';
1261 COMMENT ON COLUMN "event"."member_id" IS 'Member who caused the event, if applicable';
1262 COMMENT ON COLUMN "event"."state" IS 'If issue_id is set: state of affected issue; If state changed: new state';
1265 CREATE TABLE "notification_sent" (
1266 "event_id" INT8 NOT NULL );
1267 CREATE UNIQUE INDEX "notification_sent_singleton_idx" ON "notification_sent" ((1));
1269 COMMENT ON TABLE "notification_sent" IS 'This table stores one row with the last event_id, for which notifications have been sent out';
1270 COMMENT ON INDEX "notification_sent_singleton_idx" IS 'This index ensures that "notification_sent" only contains one row maximum.';
1273 CREATE TABLE "initiative_notification_sent" (
1274 PRIMARY KEY ("member_id", "initiative_id"),
1275 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1276 "initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1277 "last_draft_id" INT8 NOT NULL,
1278 "last_suggestion_id" INT8 NOT NULL );
1279 CREATE INDEX "initiative_notification_sent_initiative_idx" ON "initiative_notification_sent" ("initiative_id");
1283 ----------------------------------------------
1284 -- Writing of history entries and event log --
1285 ----------------------------------------------
1288 CREATE FUNCTION "write_member_history_trigger"()
1289 RETURNS TRIGGER
1290 LANGUAGE 'plpgsql' VOLATILE AS $$
1291 BEGIN
1292 IF
1293 ( NEW."active" != OLD."active" OR
1294 NEW."name" != OLD."name" ) AND
1295 OLD."activated" NOTNULL
1296 THEN
1297 INSERT INTO "member_history"
1298 ("member_id", "active", "name")
1299 VALUES (NEW."id", OLD."active", OLD."name");
1300 END IF;
1301 RETURN NULL;
1302 END;
1303 $$;
1305 CREATE TRIGGER "write_member_history"
1306 AFTER UPDATE ON "member" FOR EACH ROW EXECUTE PROCEDURE
1307 "write_member_history_trigger"();
1309 COMMENT ON FUNCTION "write_member_history_trigger"() IS 'Implementation of trigger "write_member_history" on table "member"';
1310 COMMENT ON TRIGGER "write_member_history" ON "member" IS 'When changing certain fields of a member, create a history entry in "member_history" table';
1313 CREATE FUNCTION "write_event_issue_state_changed_trigger"()
1314 RETURNS TRIGGER
1315 LANGUAGE 'plpgsql' VOLATILE AS $$
1316 BEGIN
1317 IF NEW."state" != OLD."state" THEN
1318 INSERT INTO "event" ("event", "issue_id", "state")
1319 VALUES ('issue_state_changed', NEW."id", NEW."state");
1320 END IF;
1321 RETURN NULL;
1322 END;
1323 $$;
1325 CREATE TRIGGER "write_event_issue_state_changed"
1326 AFTER UPDATE ON "issue" FOR EACH ROW EXECUTE PROCEDURE
1327 "write_event_issue_state_changed_trigger"();
1329 COMMENT ON FUNCTION "write_event_issue_state_changed_trigger"() IS 'Implementation of trigger "write_event_issue_state_changed" on table "issue"';
1330 COMMENT ON TRIGGER "write_event_issue_state_changed" ON "issue" IS 'Create entry in "event" table on "state" change';
1333 CREATE FUNCTION "write_event_initiative_or_draft_created_trigger"()
1334 RETURNS TRIGGER
1335 LANGUAGE 'plpgsql' VOLATILE AS $$
1336 DECLARE
1337 "initiative_row" "initiative"%ROWTYPE;
1338 "issue_row" "issue"%ROWTYPE;
1339 "event_v" "event_type";
1340 BEGIN
1341 SELECT * INTO "initiative_row" FROM "initiative"
1342 WHERE "id" = NEW."initiative_id";
1343 SELECT * INTO "issue_row" FROM "issue"
1344 WHERE "id" = "initiative_row"."issue_id";
1345 IF EXISTS (
1346 SELECT NULL FROM "draft"
1347 WHERE "initiative_id" = NEW."initiative_id"
1348 AND "id" != NEW."id"
1349 ) THEN
1350 "event_v" := 'new_draft_created';
1351 ELSE
1352 IF EXISTS (
1353 SELECT NULL FROM "initiative"
1354 WHERE "issue_id" = "initiative_row"."issue_id"
1355 AND "id" != "initiative_row"."id"
1356 ) THEN
1357 "event_v" := 'initiative_created_in_existing_issue';
1358 ELSE
1359 "event_v" := 'initiative_created_in_new_issue';
1360 END IF;
1361 END IF;
1362 INSERT INTO "event" (
1363 "event", "member_id",
1364 "issue_id", "state", "initiative_id", "draft_id"
1365 ) VALUES (
1366 "event_v",
1367 NEW."author_id",
1368 "initiative_row"."issue_id",
1369 "issue_row"."state",
1370 "initiative_row"."id",
1371 NEW."id" );
1372 RETURN NULL;
1373 END;
1374 $$;
1376 CREATE TRIGGER "write_event_initiative_or_draft_created"
1377 AFTER INSERT ON "draft" FOR EACH ROW EXECUTE PROCEDURE
1378 "write_event_initiative_or_draft_created_trigger"();
1380 COMMENT ON FUNCTION "write_event_initiative_or_draft_created_trigger"() IS 'Implementation of trigger "write_event_initiative_or_draft_created" on table "issue"';
1381 COMMENT ON TRIGGER "write_event_initiative_or_draft_created" ON "draft" IS 'Create entry in "event" table on draft creation';
1384 CREATE FUNCTION "write_event_initiative_revoked_trigger"()
1385 RETURNS TRIGGER
1386 LANGUAGE 'plpgsql' VOLATILE AS $$
1387 DECLARE
1388 "issue_row" "issue"%ROWTYPE;
1389 "draft_id_v" "draft"."id"%TYPE;
1390 BEGIN
1391 IF OLD."revoked" ISNULL AND NEW."revoked" NOTNULL THEN
1392 SELECT * INTO "issue_row" FROM "issue"
1393 WHERE "id" = NEW."issue_id";
1394 SELECT "id" INTO "draft_id_v" FROM "current_draft"
1395 WHERE "initiative_id" = NEW."id";
1396 INSERT INTO "event" (
1397 "event", "member_id", "issue_id", "state", "initiative_id", "draft_id"
1398 ) VALUES (
1399 'initiative_revoked',
1400 NEW."revoked_by_member_id",
1401 NEW."issue_id",
1402 "issue_row"."state",
1403 NEW."id",
1404 "draft_id_v");
1405 END IF;
1406 RETURN NULL;
1407 END;
1408 $$;
1410 CREATE TRIGGER "write_event_initiative_revoked"
1411 AFTER UPDATE ON "initiative" FOR EACH ROW EXECUTE PROCEDURE
1412 "write_event_initiative_revoked_trigger"();
1414 COMMENT ON FUNCTION "write_event_initiative_revoked_trigger"() IS 'Implementation of trigger "write_event_initiative_revoked" on table "issue"';
1415 COMMENT ON TRIGGER "write_event_initiative_revoked" ON "initiative" IS 'Create entry in "event" table, when an initiative is revoked';
1418 CREATE FUNCTION "write_event_suggestion_created_trigger"()
1419 RETURNS TRIGGER
1420 LANGUAGE 'plpgsql' VOLATILE AS $$
1421 DECLARE
1422 "initiative_row" "initiative"%ROWTYPE;
1423 "issue_row" "issue"%ROWTYPE;
1424 BEGIN
1425 SELECT * INTO "initiative_row" FROM "initiative"
1426 WHERE "id" = NEW."initiative_id";
1427 SELECT * INTO "issue_row" FROM "issue"
1428 WHERE "id" = "initiative_row"."issue_id";
1429 INSERT INTO "event" (
1430 "event", "member_id",
1431 "issue_id", "state", "initiative_id", "suggestion_id"
1432 ) VALUES (
1433 'suggestion_created',
1434 NEW."author_id",
1435 "initiative_row"."issue_id",
1436 "issue_row"."state",
1437 "initiative_row"."id",
1438 NEW."id" );
1439 RETURN NULL;
1440 END;
1441 $$;
1443 CREATE TRIGGER "write_event_suggestion_created"
1444 AFTER INSERT ON "suggestion" FOR EACH ROW EXECUTE PROCEDURE
1445 "write_event_suggestion_created_trigger"();
1447 COMMENT ON FUNCTION "write_event_suggestion_created_trigger"() IS 'Implementation of trigger "write_event_suggestion_created" on table "issue"';
1448 COMMENT ON TRIGGER "write_event_suggestion_created" ON "suggestion" IS 'Create entry in "event" table on suggestion creation';
1452 ----------------------------
1453 -- Additional constraints --
1454 ----------------------------
1457 CREATE FUNCTION "issue_requires_first_initiative_trigger"()
1458 RETURNS TRIGGER
1459 LANGUAGE 'plpgsql' VOLATILE AS $$
1460 BEGIN
1461 IF NOT EXISTS (
1462 SELECT NULL FROM "initiative" WHERE "issue_id" = NEW."id"
1463 ) THEN
1464 RAISE EXCEPTION 'Cannot create issue without an initial initiative.' USING
1465 ERRCODE = 'integrity_constraint_violation',
1466 HINT = 'Create issue, initiative, and draft within the same transaction.';
1467 END IF;
1468 RETURN NULL;
1469 END;
1470 $$;
1472 CREATE CONSTRAINT TRIGGER "issue_requires_first_initiative"
1473 AFTER INSERT OR UPDATE ON "issue" DEFERRABLE INITIALLY DEFERRED
1474 FOR EACH ROW EXECUTE PROCEDURE
1475 "issue_requires_first_initiative_trigger"();
1477 COMMENT ON FUNCTION "issue_requires_first_initiative_trigger"() IS 'Implementation of trigger "issue_requires_first_initiative" on table "issue"';
1478 COMMENT ON TRIGGER "issue_requires_first_initiative" ON "issue" IS 'Ensure that new issues have at least one initiative';
1481 CREATE FUNCTION "last_initiative_deletes_issue_trigger"()
1482 RETURNS TRIGGER
1483 LANGUAGE 'plpgsql' VOLATILE AS $$
1484 DECLARE
1485 "reference_lost" BOOLEAN;
1486 BEGIN
1487 IF TG_OP = 'DELETE' THEN
1488 "reference_lost" := TRUE;
1489 ELSE
1490 "reference_lost" := NEW."issue_id" != OLD."issue_id";
1491 END IF;
1492 IF
1493 "reference_lost" AND NOT EXISTS (
1494 SELECT NULL FROM "initiative" WHERE "issue_id" = OLD."issue_id"
1495 )
1496 THEN
1497 DELETE FROM "issue" WHERE "id" = OLD."issue_id";
1498 END IF;
1499 RETURN NULL;
1500 END;
1501 $$;
1503 CREATE CONSTRAINT TRIGGER "last_initiative_deletes_issue"
1504 AFTER UPDATE OR DELETE ON "initiative" DEFERRABLE INITIALLY DEFERRED
1505 FOR EACH ROW EXECUTE PROCEDURE
1506 "last_initiative_deletes_issue_trigger"();
1508 COMMENT ON FUNCTION "last_initiative_deletes_issue_trigger"() IS 'Implementation of trigger "last_initiative_deletes_issue" on table "initiative"';
1509 COMMENT ON TRIGGER "last_initiative_deletes_issue" ON "initiative" IS 'Removing the last initiative of an issue deletes the issue';
1512 CREATE FUNCTION "initiative_requires_first_draft_trigger"()
1513 RETURNS TRIGGER
1514 LANGUAGE 'plpgsql' VOLATILE AS $$
1515 BEGIN
1516 IF NOT EXISTS (
1517 SELECT NULL FROM "draft" WHERE "initiative_id" = NEW."id"
1518 ) THEN
1519 RAISE EXCEPTION 'Cannot create initiative without an initial draft.' USING
1520 ERRCODE = 'integrity_constraint_violation',
1521 HINT = 'Create issue, initiative and draft within the same transaction.';
1522 END IF;
1523 RETURN NULL;
1524 END;
1525 $$;
1527 CREATE CONSTRAINT TRIGGER "initiative_requires_first_draft"
1528 AFTER INSERT OR UPDATE ON "initiative" DEFERRABLE INITIALLY DEFERRED
1529 FOR EACH ROW EXECUTE PROCEDURE
1530 "initiative_requires_first_draft_trigger"();
1532 COMMENT ON FUNCTION "initiative_requires_first_draft_trigger"() IS 'Implementation of trigger "initiative_requires_first_draft" on table "initiative"';
1533 COMMENT ON TRIGGER "initiative_requires_first_draft" ON "initiative" IS 'Ensure that new initiatives have at least one draft';
1536 CREATE FUNCTION "last_draft_deletes_initiative_trigger"()
1537 RETURNS TRIGGER
1538 LANGUAGE 'plpgsql' VOLATILE AS $$
1539 DECLARE
1540 "reference_lost" BOOLEAN;
1541 BEGIN
1542 IF TG_OP = 'DELETE' THEN
1543 "reference_lost" := TRUE;
1544 ELSE
1545 "reference_lost" := NEW."initiative_id" != OLD."initiative_id";
1546 END IF;
1547 IF
1548 "reference_lost" AND NOT EXISTS (
1549 SELECT NULL FROM "draft" WHERE "initiative_id" = OLD."initiative_id"
1550 )
1551 THEN
1552 DELETE FROM "initiative" WHERE "id" = OLD."initiative_id";
1553 END IF;
1554 RETURN NULL;
1555 END;
1556 $$;
1558 CREATE CONSTRAINT TRIGGER "last_draft_deletes_initiative"
1559 AFTER UPDATE OR DELETE ON "draft" DEFERRABLE INITIALLY DEFERRED
1560 FOR EACH ROW EXECUTE PROCEDURE
1561 "last_draft_deletes_initiative_trigger"();
1563 COMMENT ON FUNCTION "last_draft_deletes_initiative_trigger"() IS 'Implementation of trigger "last_draft_deletes_initiative" on table "draft"';
1564 COMMENT ON TRIGGER "last_draft_deletes_initiative" ON "draft" IS 'Removing the last draft of an initiative deletes the initiative';
1567 CREATE FUNCTION "suggestion_requires_first_opinion_trigger"()
1568 RETURNS TRIGGER
1569 LANGUAGE 'plpgsql' VOLATILE AS $$
1570 BEGIN
1571 IF NOT EXISTS (
1572 SELECT NULL FROM "opinion" WHERE "suggestion_id" = NEW."id"
1573 ) THEN
1574 RAISE EXCEPTION 'Cannot create a suggestion without an opinion.' USING
1575 ERRCODE = 'integrity_constraint_violation',
1576 HINT = 'Create suggestion and opinion within the same transaction.';
1577 END IF;
1578 RETURN NULL;
1579 END;
1580 $$;
1582 CREATE CONSTRAINT TRIGGER "suggestion_requires_first_opinion"
1583 AFTER INSERT OR UPDATE ON "suggestion" DEFERRABLE INITIALLY DEFERRED
1584 FOR EACH ROW EXECUTE PROCEDURE
1585 "suggestion_requires_first_opinion_trigger"();
1587 COMMENT ON FUNCTION "suggestion_requires_first_opinion_trigger"() IS 'Implementation of trigger "suggestion_requires_first_opinion" on table "suggestion"';
1588 COMMENT ON TRIGGER "suggestion_requires_first_opinion" ON "suggestion" IS 'Ensure that new suggestions have at least one opinion';
1591 CREATE FUNCTION "last_opinion_deletes_suggestion_trigger"()
1592 RETURNS TRIGGER
1593 LANGUAGE 'plpgsql' VOLATILE AS $$
1594 DECLARE
1595 "reference_lost" BOOLEAN;
1596 BEGIN
1597 IF TG_OP = 'DELETE' THEN
1598 "reference_lost" := TRUE;
1599 ELSE
1600 "reference_lost" := NEW."suggestion_id" != OLD."suggestion_id";
1601 END IF;
1602 IF
1603 "reference_lost" AND NOT EXISTS (
1604 SELECT NULL FROM "opinion" WHERE "suggestion_id" = OLD."suggestion_id"
1605 )
1606 THEN
1607 DELETE FROM "suggestion" WHERE "id" = OLD."suggestion_id";
1608 END IF;
1609 RETURN NULL;
1610 END;
1611 $$;
1613 CREATE CONSTRAINT TRIGGER "last_opinion_deletes_suggestion"
1614 AFTER UPDATE OR DELETE ON "opinion" DEFERRABLE INITIALLY DEFERRED
1615 FOR EACH ROW EXECUTE PROCEDURE
1616 "last_opinion_deletes_suggestion_trigger"();
1618 COMMENT ON FUNCTION "last_opinion_deletes_suggestion_trigger"() IS 'Implementation of trigger "last_opinion_deletes_suggestion" on table "opinion"';
1619 COMMENT ON TRIGGER "last_opinion_deletes_suggestion" ON "opinion" IS 'Removing the last opinion of a suggestion deletes the suggestion';
1622 CREATE FUNCTION "non_voter_deletes_direct_voter_trigger"()
1623 RETURNS TRIGGER
1624 LANGUAGE 'plpgsql' VOLATILE AS $$
1625 BEGIN
1626 DELETE FROM "direct_voter"
1627 WHERE "issue_id" = NEW."issue_id" AND "member_id" = NEW."member_id";
1628 RETURN NULL;
1629 END;
1630 $$;
1632 CREATE TRIGGER "non_voter_deletes_direct_voter"
1633 AFTER INSERT OR UPDATE ON "non_voter"
1634 FOR EACH ROW EXECUTE PROCEDURE
1635 "non_voter_deletes_direct_voter_trigger"();
1637 COMMENT ON FUNCTION "non_voter_deletes_direct_voter_trigger"() IS 'Implementation of trigger "non_voter_deletes_direct_voter" on table "non_voter"';
1638 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")';
1641 CREATE FUNCTION "direct_voter_deletes_non_voter_trigger"()
1642 RETURNS TRIGGER
1643 LANGUAGE 'plpgsql' VOLATILE AS $$
1644 BEGIN
1645 DELETE FROM "non_voter"
1646 WHERE "issue_id" = NEW."issue_id" AND "member_id" = NEW."member_id";
1647 RETURN NULL;
1648 END;
1649 $$;
1651 CREATE TRIGGER "direct_voter_deletes_non_voter"
1652 AFTER INSERT OR UPDATE ON "direct_voter"
1653 FOR EACH ROW EXECUTE PROCEDURE
1654 "direct_voter_deletes_non_voter_trigger"();
1656 COMMENT ON FUNCTION "direct_voter_deletes_non_voter_trigger"() IS 'Implementation of trigger "direct_voter_deletes_non_voter" on table "direct_voter"';
1657 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")';
1660 CREATE FUNCTION "voter_comment_fields_only_set_when_voter_comment_is_set_trigger"()
1661 RETURNS TRIGGER
1662 LANGUAGE 'plpgsql' VOLATILE AS $$
1663 BEGIN
1664 IF NEW."comment" ISNULL THEN
1665 NEW."comment_changed" := NULL;
1666 NEW."formatting_engine" := NULL;
1667 END IF;
1668 RETURN NEW;
1669 END;
1670 $$;
1672 CREATE TRIGGER "voter_comment_fields_only_set_when_voter_comment_is_set"
1673 BEFORE INSERT OR UPDATE ON "direct_voter"
1674 FOR EACH ROW EXECUTE PROCEDURE
1675 "voter_comment_fields_only_set_when_voter_comment_is_set_trigger"();
1677 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"';
1678 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.';
1681 ---------------------------------------------------------------
1682 -- Ensure that votes are not modified when issues are closed --
1683 ---------------------------------------------------------------
1685 -- NOTE: Frontends should ensure this anyway, but in case of programming
1686 -- errors the following triggers ensure data integrity.
1689 CREATE FUNCTION "forbid_changes_on_closed_issue_trigger"()
1690 RETURNS TRIGGER
1691 LANGUAGE 'plpgsql' VOLATILE AS $$
1692 DECLARE
1693 "issue_id_v" "issue"."id"%TYPE;
1694 "issue_row" "issue"%ROWTYPE;
1695 BEGIN
1696 IF EXISTS (
1697 SELECT NULL FROM "temporary_transaction_data"
1698 WHERE "txid" = txid_current()
1699 AND "key" = 'override_protection_triggers'
1700 AND "value" = TRUE::TEXT
1701 ) THEN
1702 RETURN NULL;
1703 END IF;
1704 IF TG_OP = 'DELETE' THEN
1705 "issue_id_v" := OLD."issue_id";
1706 ELSE
1707 "issue_id_v" := NEW."issue_id";
1708 END IF;
1709 SELECT INTO "issue_row" * FROM "issue"
1710 WHERE "id" = "issue_id_v" FOR SHARE;
1711 IF (
1712 "issue_row"."closed" NOTNULL OR (
1713 "issue_row"."state" = 'voting' AND
1714 "issue_row"."phase_finished" NOTNULL
1715 )
1716 ) THEN
1717 IF
1718 TG_RELID = 'direct_voter'::regclass AND
1719 TG_OP = 'UPDATE'
1720 THEN
1721 IF
1722 OLD."issue_id" = NEW."issue_id" AND
1723 OLD."member_id" = NEW."member_id" AND
1724 OLD."weight" = NEW."weight"
1725 THEN
1726 RETURN NULL; -- allows changing of voter comment
1727 END IF;
1728 END IF;
1729 RAISE EXCEPTION 'Tried to modify data after voting has been closed.' USING
1730 ERRCODE = 'integrity_constraint_violation';
1731 END IF;
1732 RETURN NULL;
1733 END;
1734 $$;
1736 CREATE TRIGGER "forbid_changes_on_closed_issue"
1737 AFTER INSERT OR UPDATE OR DELETE ON "direct_voter"
1738 FOR EACH ROW EXECUTE PROCEDURE
1739 "forbid_changes_on_closed_issue_trigger"();
1741 CREATE TRIGGER "forbid_changes_on_closed_issue"
1742 AFTER INSERT OR UPDATE OR DELETE ON "delegating_voter"
1743 FOR EACH ROW EXECUTE PROCEDURE
1744 "forbid_changes_on_closed_issue_trigger"();
1746 CREATE TRIGGER "forbid_changes_on_closed_issue"
1747 AFTER INSERT OR UPDATE OR DELETE ON "vote"
1748 FOR EACH ROW EXECUTE PROCEDURE
1749 "forbid_changes_on_closed_issue_trigger"();
1751 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"';
1752 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';
1753 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';
1754 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';
1758 --------------------------------------------------------------------
1759 -- Auto-retrieval of fields only needed for referential integrity --
1760 --------------------------------------------------------------------
1763 CREATE FUNCTION "autofill_issue_id_trigger"()
1764 RETURNS TRIGGER
1765 LANGUAGE 'plpgsql' VOLATILE AS $$
1766 BEGIN
1767 IF NEW."issue_id" ISNULL THEN
1768 SELECT "issue_id" INTO NEW."issue_id"
1769 FROM "initiative" WHERE "id" = NEW."initiative_id";
1770 END IF;
1771 RETURN NEW;
1772 END;
1773 $$;
1775 CREATE TRIGGER "autofill_issue_id" BEFORE INSERT ON "supporter"
1776 FOR EACH ROW EXECUTE PROCEDURE "autofill_issue_id_trigger"();
1778 CREATE TRIGGER "autofill_issue_id" BEFORE INSERT ON "vote"
1779 FOR EACH ROW EXECUTE PROCEDURE "autofill_issue_id_trigger"();
1781 COMMENT ON FUNCTION "autofill_issue_id_trigger"() IS 'Implementation of triggers "autofill_issue_id" on tables "supporter" and "vote"';
1782 COMMENT ON TRIGGER "autofill_issue_id" ON "supporter" IS 'Set "issue_id" field automatically, if NULL';
1783 COMMENT ON TRIGGER "autofill_issue_id" ON "vote" IS 'Set "issue_id" field automatically, if NULL';
1786 CREATE FUNCTION "autofill_initiative_id_trigger"()
1787 RETURNS TRIGGER
1788 LANGUAGE 'plpgsql' VOLATILE AS $$
1789 BEGIN
1790 IF NEW."initiative_id" ISNULL THEN
1791 SELECT "initiative_id" INTO NEW."initiative_id"
1792 FROM "suggestion" WHERE "id" = NEW."suggestion_id";
1793 END IF;
1794 RETURN NEW;
1795 END;
1796 $$;
1798 CREATE TRIGGER "autofill_initiative_id" BEFORE INSERT ON "opinion"
1799 FOR EACH ROW EXECUTE PROCEDURE "autofill_initiative_id_trigger"();
1801 COMMENT ON FUNCTION "autofill_initiative_id_trigger"() IS 'Implementation of trigger "autofill_initiative_id" on table "opinion"';
1802 COMMENT ON TRIGGER "autofill_initiative_id" ON "opinion" IS 'Set "initiative_id" field automatically, if NULL';
1806 -----------------------------------------------------
1807 -- Automatic calculation of certain default values --
1808 -----------------------------------------------------
1811 CREATE FUNCTION "copy_timings_trigger"()
1812 RETURNS TRIGGER
1813 LANGUAGE 'plpgsql' VOLATILE AS $$
1814 DECLARE
1815 "policy_row" "policy"%ROWTYPE;
1816 BEGIN
1817 SELECT * INTO "policy_row" FROM "policy"
1818 WHERE "id" = NEW."policy_id";
1819 IF NEW."min_admission_time" ISNULL THEN
1820 NEW."min_admission_time" := "policy_row"."min_admission_time";
1821 END IF;
1822 IF NEW."max_admission_time" ISNULL THEN
1823 NEW."max_admission_time" := "policy_row"."max_admission_time";
1824 END IF;
1825 IF NEW."discussion_time" ISNULL THEN
1826 NEW."discussion_time" := "policy_row"."discussion_time";
1827 END IF;
1828 IF NEW."verification_time" ISNULL THEN
1829 NEW."verification_time" := "policy_row"."verification_time";
1830 END IF;
1831 IF NEW."voting_time" ISNULL THEN
1832 NEW."voting_time" := "policy_row"."voting_time";
1833 END IF;
1834 RETURN NEW;
1835 END;
1836 $$;
1838 CREATE TRIGGER "copy_timings" BEFORE INSERT OR UPDATE ON "issue"
1839 FOR EACH ROW EXECUTE PROCEDURE "copy_timings_trigger"();
1841 COMMENT ON FUNCTION "copy_timings_trigger"() IS 'Implementation of trigger "copy_timings" on table "issue"';
1842 COMMENT ON TRIGGER "copy_timings" ON "issue" IS 'If timing fields are NULL, copy values from policy.';
1845 CREATE FUNCTION "default_for_draft_id_trigger"()
1846 RETURNS TRIGGER
1847 LANGUAGE 'plpgsql' VOLATILE AS $$
1848 BEGIN
1849 IF NEW."draft_id" ISNULL THEN
1850 SELECT "id" INTO NEW."draft_id" FROM "current_draft"
1851 WHERE "initiative_id" = NEW."initiative_id";
1852 END IF;
1853 RETURN NEW;
1854 END;
1855 $$;
1857 CREATE TRIGGER "default_for_draft_id" BEFORE INSERT OR UPDATE ON "suggestion"
1858 FOR EACH ROW EXECUTE PROCEDURE "default_for_draft_id_trigger"();
1859 CREATE TRIGGER "default_for_draft_id" BEFORE INSERT OR UPDATE ON "supporter"
1860 FOR EACH ROW EXECUTE PROCEDURE "default_for_draft_id_trigger"();
1862 COMMENT ON FUNCTION "default_for_draft_id_trigger"() IS 'Implementation of trigger "default_for_draft" on tables "supporter" and "suggestion"';
1863 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';
1864 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';
1868 ----------------------------------------
1869 -- Automatic creation of dependencies --
1870 ----------------------------------------
1873 CREATE FUNCTION "autocreate_interest_trigger"()
1874 RETURNS TRIGGER
1875 LANGUAGE 'plpgsql' VOLATILE AS $$
1876 BEGIN
1877 IF NOT EXISTS (
1878 SELECT NULL FROM "initiative" JOIN "interest"
1879 ON "initiative"."issue_id" = "interest"."issue_id"
1880 WHERE "initiative"."id" = NEW."initiative_id"
1881 AND "interest"."member_id" = NEW."member_id"
1882 ) THEN
1883 BEGIN
1884 INSERT INTO "interest" ("issue_id", "member_id")
1885 SELECT "issue_id", NEW."member_id"
1886 FROM "initiative" WHERE "id" = NEW."initiative_id";
1887 EXCEPTION WHEN unique_violation THEN END;
1888 END IF;
1889 RETURN NEW;
1890 END;
1891 $$;
1893 CREATE TRIGGER "autocreate_interest" BEFORE INSERT ON "supporter"
1894 FOR EACH ROW EXECUTE PROCEDURE "autocreate_interest_trigger"();
1896 COMMENT ON FUNCTION "autocreate_interest_trigger"() IS 'Implementation of trigger "autocreate_interest" on table "supporter"';
1897 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';
1900 CREATE FUNCTION "autocreate_supporter_trigger"()
1901 RETURNS TRIGGER
1902 LANGUAGE 'plpgsql' VOLATILE AS $$
1903 BEGIN
1904 IF NOT EXISTS (
1905 SELECT NULL FROM "suggestion" JOIN "supporter"
1906 ON "suggestion"."initiative_id" = "supporter"."initiative_id"
1907 WHERE "suggestion"."id" = NEW."suggestion_id"
1908 AND "supporter"."member_id" = NEW."member_id"
1909 ) THEN
1910 BEGIN
1911 INSERT INTO "supporter" ("initiative_id", "member_id")
1912 SELECT "initiative_id", NEW."member_id"
1913 FROM "suggestion" WHERE "id" = NEW."suggestion_id";
1914 EXCEPTION WHEN unique_violation THEN END;
1915 END IF;
1916 RETURN NEW;
1917 END;
1918 $$;
1920 CREATE TRIGGER "autocreate_supporter" BEFORE INSERT ON "opinion"
1921 FOR EACH ROW EXECUTE PROCEDURE "autocreate_supporter_trigger"();
1923 COMMENT ON FUNCTION "autocreate_supporter_trigger"() IS 'Implementation of trigger "autocreate_supporter" on table "opinion"';
1924 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.';
1928 ------------------------------------------
1929 -- Views and helper functions for views --
1930 ------------------------------------------
1933 CREATE VIEW "unit_delegation" AS
1934 SELECT
1935 "unit"."id" AS "unit_id",
1936 "delegation"."id",
1937 "delegation"."truster_id",
1938 "delegation"."trustee_id",
1939 "delegation"."scope"
1940 FROM "unit"
1941 JOIN "delegation"
1942 ON "delegation"."unit_id" = "unit"."id"
1943 JOIN "member"
1944 ON "delegation"."truster_id" = "member"."id"
1945 JOIN "privilege"
1946 ON "delegation"."unit_id" = "privilege"."unit_id"
1947 AND "delegation"."truster_id" = "privilege"."member_id"
1948 WHERE "member"."active" AND "privilege"."voting_right";
1950 COMMENT ON VIEW "unit_delegation" IS 'Unit delegations where trusters are active and have voting right';
1953 CREATE VIEW "area_delegation" AS
1954 SELECT DISTINCT ON ("area"."id", "delegation"."truster_id")
1955 "area"."id" AS "area_id",
1956 "delegation"."id",
1957 "delegation"."truster_id",
1958 "delegation"."trustee_id",
1959 "delegation"."scope"
1960 FROM "area"
1961 JOIN "delegation"
1962 ON "delegation"."unit_id" = "area"."unit_id"
1963 OR "delegation"."area_id" = "area"."id"
1964 JOIN "member"
1965 ON "delegation"."truster_id" = "member"."id"
1966 JOIN "privilege"
1967 ON "area"."unit_id" = "privilege"."unit_id"
1968 AND "delegation"."truster_id" = "privilege"."member_id"
1969 WHERE "member"."active" AND "privilege"."voting_right"
1970 ORDER BY
1971 "area"."id",
1972 "delegation"."truster_id",
1973 "delegation"."scope" DESC;
1975 COMMENT ON VIEW "area_delegation" IS 'Area delegations where trusters are active and have voting right';
1978 CREATE VIEW "issue_delegation" AS
1979 SELECT DISTINCT ON ("issue"."id", "delegation"."truster_id")
1980 "issue"."id" AS "issue_id",
1981 "delegation"."id",
1982 "delegation"."truster_id",
1983 "delegation"."trustee_id",
1984 "delegation"."scope"
1985 FROM "issue"
1986 JOIN "area"
1987 ON "area"."id" = "issue"."area_id"
1988 JOIN "delegation"
1989 ON "delegation"."unit_id" = "area"."unit_id"
1990 OR "delegation"."area_id" = "area"."id"
1991 OR "delegation"."issue_id" = "issue"."id"
1992 JOIN "member"
1993 ON "delegation"."truster_id" = "member"."id"
1994 JOIN "privilege"
1995 ON "area"."unit_id" = "privilege"."unit_id"
1996 AND "delegation"."truster_id" = "privilege"."member_id"
1997 WHERE "member"."active" AND "privilege"."voting_right"
1998 ORDER BY
1999 "issue"."id",
2000 "delegation"."truster_id",
2001 "delegation"."scope" DESC;
2003 COMMENT ON VIEW "issue_delegation" IS 'Issue delegations where trusters are active and have voting right';
2006 CREATE FUNCTION "membership_weight_with_skipping"
2007 ( "area_id_p" "area"."id"%TYPE,
2008 "member_id_p" "member"."id"%TYPE,
2009 "skip_member_ids_p" INT4[] ) -- "member"."id"%TYPE[]
2010 RETURNS INT4
2011 LANGUAGE 'plpgsql' STABLE AS $$
2012 DECLARE
2013 "sum_v" INT4;
2014 "delegation_row" "area_delegation"%ROWTYPE;
2015 BEGIN
2016 "sum_v" := 1;
2017 FOR "delegation_row" IN
2018 SELECT "area_delegation".*
2019 FROM "area_delegation" LEFT JOIN "membership"
2020 ON "membership"."area_id" = "area_id_p"
2021 AND "membership"."member_id" = "area_delegation"."truster_id"
2022 WHERE "area_delegation"."area_id" = "area_id_p"
2023 AND "area_delegation"."trustee_id" = "member_id_p"
2024 AND "membership"."member_id" ISNULL
2025 LOOP
2026 IF NOT
2027 "skip_member_ids_p" @> ARRAY["delegation_row"."truster_id"]
2028 THEN
2029 "sum_v" := "sum_v" + "membership_weight_with_skipping"(
2030 "area_id_p",
2031 "delegation_row"."truster_id",
2032 "skip_member_ids_p" || "delegation_row"."truster_id"
2033 );
2034 END IF;
2035 END LOOP;
2036 RETURN "sum_v";
2037 END;
2038 $$;
2040 COMMENT ON FUNCTION "membership_weight_with_skipping"
2041 ( "area"."id"%TYPE,
2042 "member"."id"%TYPE,
2043 INT4[] )
2044 IS 'Helper function for "membership_weight" function';
2047 CREATE FUNCTION "membership_weight"
2048 ( "area_id_p" "area"."id"%TYPE,
2049 "member_id_p" "member"."id"%TYPE ) -- "member"."id"%TYPE[]
2050 RETURNS INT4
2051 LANGUAGE 'plpgsql' STABLE AS $$
2052 BEGIN
2053 RETURN "membership_weight_with_skipping"(
2054 "area_id_p",
2055 "member_id_p",
2056 ARRAY["member_id_p"]
2057 );
2058 END;
2059 $$;
2061 COMMENT ON FUNCTION "membership_weight"
2062 ( "area"."id"%TYPE,
2063 "member"."id"%TYPE )
2064 IS 'Calculates the potential voting weight of a member in a given area';
2067 CREATE VIEW "member_count_view" AS
2068 SELECT count(1) AS "total_count" FROM "member" WHERE "active";
2070 COMMENT ON VIEW "member_count_view" IS 'View used to update "member_count" table';
2073 CREATE VIEW "unit_member_count" AS
2074 SELECT
2075 "unit"."id" AS "unit_id",
2076 count("member"."id") AS "member_count"
2077 FROM "unit"
2078 LEFT JOIN "privilege"
2079 ON "privilege"."unit_id" = "unit"."id"
2080 AND "privilege"."voting_right"
2081 LEFT JOIN "member"
2082 ON "member"."id" = "privilege"."member_id"
2083 AND "member"."active"
2084 GROUP BY "unit"."id";
2086 COMMENT ON VIEW "unit_member_count" IS 'View used to update "member_count" column of "unit" table';
2089 CREATE VIEW "area_member_count" AS
2090 SELECT
2091 "area"."id" AS "area_id",
2092 count("member"."id") AS "direct_member_count",
2093 coalesce(
2094 sum(
2095 CASE WHEN "member"."id" NOTNULL THEN
2096 "membership_weight"("area"."id", "member"."id")
2097 ELSE 0 END
2098 )
2099 ) AS "member_weight"
2100 FROM "area"
2101 LEFT JOIN "membership"
2102 ON "area"."id" = "membership"."area_id"
2103 LEFT JOIN "privilege"
2104 ON "privilege"."unit_id" = "area"."unit_id"
2105 AND "privilege"."member_id" = "membership"."member_id"
2106 AND "privilege"."voting_right"
2107 LEFT JOIN "member"
2108 ON "member"."id" = "privilege"."member_id" -- NOTE: no membership here!
2109 AND "member"."active"
2110 GROUP BY "area"."id";
2112 COMMENT ON VIEW "area_member_count" IS 'View used to update "direct_member_count" and "member_weight" columns of table "area"';
2115 CREATE VIEW "opening_draft" AS
2116 SELECT "draft".* FROM (
2117 SELECT
2118 "initiative"."id" AS "initiative_id",
2119 min("draft"."id") AS "draft_id"
2120 FROM "initiative" JOIN "draft"
2121 ON "initiative"."id" = "draft"."initiative_id"
2122 GROUP BY "initiative"."id"
2123 ) AS "subquery"
2124 JOIN "draft" ON "subquery"."draft_id" = "draft"."id";
2126 COMMENT ON VIEW "opening_draft" IS 'First drafts of all initiatives';
2129 CREATE VIEW "current_draft" AS
2130 SELECT "draft".* FROM (
2131 SELECT
2132 "initiative"."id" AS "initiative_id",
2133 max("draft"."id") AS "draft_id"
2134 FROM "initiative" JOIN "draft"
2135 ON "initiative"."id" = "draft"."initiative_id"
2136 GROUP BY "initiative"."id"
2137 ) AS "subquery"
2138 JOIN "draft" ON "subquery"."draft_id" = "draft"."id";
2140 COMMENT ON VIEW "current_draft" IS 'All latest drafts for each initiative';
2143 CREATE VIEW "critical_opinion" AS
2144 SELECT * FROM "opinion"
2145 WHERE ("degree" = 2 AND "fulfilled" = FALSE)
2146 OR ("degree" = -2 AND "fulfilled" = TRUE);
2148 COMMENT ON VIEW "critical_opinion" IS 'Opinions currently causing dissatisfaction';
2151 CREATE VIEW "issue_supporter_in_admission_state" AS
2152 SELECT DISTINCT -- TODO: DISTINCT needed?
2153 "area"."unit_id",
2154 "issue"."area_id",
2155 "issue"."id" AS "issue_id",
2156 "supporter"."member_id",
2157 "direct_interest_snapshot"."weight"
2158 FROM "issue"
2159 JOIN "area" ON "area"."id" = "issue"."area_id"
2160 JOIN "supporter" ON "supporter"."issue_id" = "issue"."id"
2161 JOIN "direct_interest_snapshot"
2162 ON "direct_interest_snapshot"."issue_id" = "issue"."id"
2163 AND "direct_interest_snapshot"."event" = "issue"."latest_snapshot_event"
2164 AND "direct_interest_snapshot"."member_id" = "supporter"."member_id"
2165 WHERE "issue"."state" = 'admission'::"issue_state";
2167 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';
2170 CREATE VIEW "initiative_suggestion_order_calculation" AS
2171 SELECT
2172 "initiative"."id" AS "initiative_id",
2173 ("issue"."closed" NOTNULL OR "issue"."fully_frozen" NOTNULL) AS "final"
2174 FROM "initiative" JOIN "issue"
2175 ON "initiative"."issue_id" = "issue"."id"
2176 WHERE ("issue"."closed" ISNULL AND "issue"."fully_frozen" ISNULL)
2177 OR ("initiative"."final_suggestion_order_calculated" = FALSE);
2179 COMMENT ON VIEW "initiative_suggestion_order_calculation" IS 'Initiatives, where the "proportional_order" of its suggestions has to be calculated';
2181 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';
2184 CREATE VIEW "individual_suggestion_ranking" AS
2185 SELECT
2186 "opinion"."initiative_id",
2187 "opinion"."member_id",
2188 "direct_interest_snapshot"."weight",
2189 CASE WHEN
2190 ("opinion"."degree" = 2 AND "opinion"."fulfilled" = FALSE) OR
2191 ("opinion"."degree" = -2 AND "opinion"."fulfilled" = TRUE)
2192 THEN 1 ELSE
2193 CASE WHEN
2194 ("opinion"."degree" = 1 AND "opinion"."fulfilled" = FALSE) OR
2195 ("opinion"."degree" = -1 AND "opinion"."fulfilled" = TRUE)
2196 THEN 2 ELSE
2197 CASE WHEN
2198 ("opinion"."degree" = 2 AND "opinion"."fulfilled" = TRUE) OR
2199 ("opinion"."degree" = -2 AND "opinion"."fulfilled" = FALSE)
2200 THEN 3 ELSE 4 END
2201 END
2202 END AS "preference",
2203 "opinion"."suggestion_id"
2204 FROM "opinion"
2205 JOIN "initiative" ON "initiative"."id" = "opinion"."initiative_id"
2206 JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
2207 JOIN "direct_interest_snapshot"
2208 ON "direct_interest_snapshot"."issue_id" = "issue"."id"
2209 AND "direct_interest_snapshot"."event" = "issue"."latest_snapshot_event"
2210 AND "direct_interest_snapshot"."member_id" = "opinion"."member_id";
2212 COMMENT ON VIEW "individual_suggestion_ranking" IS 'Helper view for "lf_update_suggestion_order" to allow a proportional ordering of suggestions within an initiative';
2215 CREATE VIEW "battle_participant" AS
2216 SELECT "initiative"."id", "initiative"."issue_id"
2217 FROM "issue" JOIN "initiative"
2218 ON "issue"."id" = "initiative"."issue_id"
2219 WHERE "initiative"."admitted"
2220 UNION ALL
2221 SELECT NULL, "id" AS "issue_id"
2222 FROM "issue";
2224 COMMENT ON VIEW "battle_participant" IS 'Helper view for "battle_view" containing admitted initiatives plus virtual "status-quo" initiative denoted by NULL reference';
2227 CREATE VIEW "battle_view" AS
2228 SELECT
2229 "issue"."id" AS "issue_id",
2230 "winning_initiative"."id" AS "winning_initiative_id",
2231 "losing_initiative"."id" AS "losing_initiative_id",
2232 sum(
2233 CASE WHEN
2234 coalesce("better_vote"."grade", 0) >
2235 coalesce("worse_vote"."grade", 0)
2236 THEN "direct_voter"."weight" ELSE 0 END
2237 ) AS "count"
2238 FROM "issue"
2239 LEFT JOIN "direct_voter"
2240 ON "issue"."id" = "direct_voter"."issue_id"
2241 JOIN "battle_participant" AS "winning_initiative"
2242 ON "issue"."id" = "winning_initiative"."issue_id"
2243 JOIN "battle_participant" AS "losing_initiative"
2244 ON "issue"."id" = "losing_initiative"."issue_id"
2245 LEFT JOIN "vote" AS "better_vote"
2246 ON "direct_voter"."member_id" = "better_vote"."member_id"
2247 AND "winning_initiative"."id" = "better_vote"."initiative_id"
2248 LEFT JOIN "vote" AS "worse_vote"
2249 ON "direct_voter"."member_id" = "worse_vote"."member_id"
2250 AND "losing_initiative"."id" = "worse_vote"."initiative_id"
2251 WHERE "issue"."state" = 'voting'
2252 AND "issue"."phase_finished" NOTNULL
2253 AND (
2254 "winning_initiative"."id" != "losing_initiative"."id" OR
2255 ( ("winning_initiative"."id" NOTNULL AND "losing_initiative"."id" ISNULL) OR
2256 ("winning_initiative"."id" ISNULL AND "losing_initiative"."id" NOTNULL) ) )
2257 GROUP BY
2258 "issue"."id",
2259 "winning_initiative"."id",
2260 "losing_initiative"."id";
2262 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';
2265 CREATE VIEW "expired_session" AS
2266 SELECT * FROM "session" WHERE now() > "expiry";
2268 CREATE RULE "delete" AS ON DELETE TO "expired_session" DO INSTEAD
2269 DELETE FROM "session" WHERE "ident" = OLD."ident";
2271 COMMENT ON VIEW "expired_session" IS 'View containing all expired sessions where DELETE is possible';
2272 COMMENT ON RULE "delete" ON "expired_session" IS 'Rule allowing DELETE on rows in "expired_session" view, i.e. DELETE FROM "expired_session"';
2275 CREATE VIEW "open_issue" AS
2276 SELECT * FROM "issue" WHERE "closed" ISNULL;
2278 COMMENT ON VIEW "open_issue" IS 'All open issues';
2281 CREATE VIEW "member_contingent" AS
2282 SELECT
2283 "member"."id" AS "member_id",
2284 "contingent"."polling",
2285 "contingent"."time_frame",
2286 CASE WHEN "contingent"."text_entry_limit" NOTNULL THEN
2287 (
2288 SELECT count(1) FROM "draft"
2289 JOIN "initiative" ON "initiative"."id" = "draft"."initiative_id"
2290 WHERE "draft"."author_id" = "member"."id"
2291 AND "initiative"."polling" = "contingent"."polling"
2292 AND "draft"."created" > now() - "contingent"."time_frame"
2293 ) + (
2294 SELECT count(1) FROM "suggestion"
2295 JOIN "initiative" ON "initiative"."id" = "suggestion"."initiative_id"
2296 WHERE "suggestion"."author_id" = "member"."id"
2297 AND "contingent"."polling" = FALSE
2298 AND "suggestion"."created" > now() - "contingent"."time_frame"
2299 )
2300 ELSE NULL END AS "text_entry_count",
2301 "contingent"."text_entry_limit",
2302 CASE WHEN "contingent"."initiative_limit" NOTNULL THEN (
2303 SELECT count(1) FROM "opening_draft" AS "draft"
2304 JOIN "initiative" ON "initiative"."id" = "draft"."initiative_id"
2305 WHERE "draft"."author_id" = "member"."id"
2306 AND "initiative"."polling" = "contingent"."polling"
2307 AND "draft"."created" > now() - "contingent"."time_frame"
2308 ) ELSE NULL END AS "initiative_count",
2309 "contingent"."initiative_limit"
2310 FROM "member" CROSS JOIN "contingent";
2312 COMMENT ON VIEW "member_contingent" IS 'Actual counts of text entries and initiatives are calculated per member for each limit in the "contingent" table.';
2314 COMMENT ON COLUMN "member_contingent"."text_entry_count" IS 'Only calculated when "text_entry_limit" is not null in the same row';
2315 COMMENT ON COLUMN "member_contingent"."initiative_count" IS 'Only calculated when "initiative_limit" is not null in the same row';
2318 CREATE VIEW "member_contingent_left" AS
2319 SELECT
2320 "member_id",
2321 "polling",
2322 max("text_entry_limit" - "text_entry_count") AS "text_entries_left",
2323 max("initiative_limit" - "initiative_count") AS "initiatives_left"
2324 FROM "member_contingent" GROUP BY "member_id", "polling";
2326 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.';
2329 CREATE VIEW "event_seen_by_member" AS
2330 SELECT
2331 "member"."id" AS "seen_by_member_id",
2332 CASE WHEN "event"."state" IN (
2333 'voting',
2334 'finished_without_winner',
2335 'finished_with_winner'
2336 ) THEN
2337 'voting'::"notify_level"
2338 ELSE
2339 CASE WHEN "event"."state" IN (
2340 'verification',
2341 'canceled_after_revocation_during_verification',
2342 'canceled_no_initiative_admitted'
2343 ) THEN
2344 'verification'::"notify_level"
2345 ELSE
2346 CASE WHEN "event"."state" IN (
2347 'discussion',
2348 'canceled_after_revocation_during_discussion'
2349 ) THEN
2350 'discussion'::"notify_level"
2351 ELSE
2352 'all'::"notify_level"
2353 END
2354 END
2355 END AS "notify_level",
2356 "event".*
2357 FROM "member" CROSS JOIN "event"
2358 LEFT JOIN "issue"
2359 ON "event"."issue_id" = "issue"."id"
2360 LEFT JOIN "membership"
2361 ON "member"."id" = "membership"."member_id"
2362 AND "issue"."area_id" = "membership"."area_id"
2363 LEFT JOIN "interest"
2364 ON "member"."id" = "interest"."member_id"
2365 AND "event"."issue_id" = "interest"."issue_id"
2366 LEFT JOIN "ignored_member"
2367 ON "member"."id" = "ignored_member"."member_id"
2368 AND "event"."member_id" = "ignored_member"."other_member_id"
2369 LEFT JOIN "ignored_initiative"
2370 ON "member"."id" = "ignored_initiative"."member_id"
2371 AND "event"."initiative_id" = "ignored_initiative"."initiative_id"
2372 WHERE (
2373 "interest"."member_id" NOTNULL OR
2374 ( "membership"."member_id" NOTNULL AND
2375 "event"."event" IN (
2376 'issue_state_changed',
2377 'initiative_created_in_new_issue',
2378 'initiative_created_in_existing_issue',
2379 'initiative_revoked' ) ) )
2380 AND "ignored_member"."member_id" ISNULL
2381 AND "ignored_initiative"."member_id" ISNULL;
2383 COMMENT ON VIEW "event_seen_by_member" IS 'Events as seen by a member, depending on its memberships, interests and support, but ignoring members "notify_level"';
2386 CREATE VIEW "updated_initiative" AS
2387 SELECT
2388 "supporter"."member_id" AS "seen_by_member_id",
2389 TRUE AS "supported",
2390 EXISTS (
2391 SELECT NULL FROM "draft"
2392 WHERE "draft"."initiative_id" = "initiative"."id"
2393 AND "draft"."id" > "supporter"."draft_id"
2394 ) AS "new_draft",
2395 ( SELECT count(1) FROM "suggestion"
2396 LEFT JOIN "opinion" ON
2397 "opinion"."member_id" = "supporter"."member_id" AND
2398 "opinion"."suggestion_id" = "suggestion"."id"
2399 WHERE "suggestion"."initiative_id" = "initiative"."id"
2400 AND "opinion"."member_id" ISNULL
2401 AND COALESCE(
2402 "suggestion"."id" > "sent"."last_suggestion_id",
2403 TRUE
2404 )
2405 ) AS "new_suggestion_count",
2406 FALSE AS "featured",
2407 NOT EXISTS (
2408 SELECT NULL FROM "initiative" AS "better_initiative"
2409 WHERE
2410 "better_initiative"."issue_id" = "initiative"."issue_id"
2411 AND
2412 ( COALESCE("better_initiative"."harmonic_weight", -1),
2413 -"better_initiative"."id" ) >
2414 ( COALESCE("initiative"."harmonic_weight", -1),
2415 -"initiative"."id" )
2416 ) AS "leading",
2417 "initiative".*
2418 FROM "supporter" JOIN "initiative"
2419 ON "supporter"."initiative_id" = "initiative"."id"
2420 LEFT JOIN "initiative_notification_sent" AS "sent"
2421 ON "sent"."member_id" = "supporter"."member_id"
2422 AND "sent"."initiative_id" = "initiative"."id"
2423 JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
2424 WHERE "issue"."state" IN ('admission', 'discussion')
2425 AND (
2426 EXISTS (
2427 SELECT NULL FROM "draft"
2428 WHERE "draft"."initiative_id" = "initiative"."id"
2429 AND "draft"."id" > "supporter"."draft_id"
2430 ) OR EXISTS (
2431 SELECT NULL FROM "suggestion"
2432 LEFT JOIN "opinion" ON
2433 "opinion"."member_id" = "supporter"."member_id" AND
2434 "opinion"."suggestion_id" = "suggestion"."id"
2435 WHERE "suggestion"."initiative_id" = "initiative"."id"
2436 AND "opinion"."member_id" ISNULL
2437 AND COALESCE(
2438 "suggestion"."id" > "sent"."last_suggestion_id",
2439 TRUE
2440 )
2441 )
2442 );
2444 CREATE FUNCTION "featured_initiative"
2445 ( "member_id_p" "member"."id"%TYPE,
2446 "area_id_p" "area"."id"%TYPE )
2447 RETURNS SETOF "initiative"
2448 LANGUAGE 'plpgsql' STABLE AS $$
2449 DECLARE
2450 "member_row" "member"%ROWTYPE;
2451 "member_id_v" "member"."id"%TYPE;
2452 "seed_v" TEXT;
2453 "result_row" "initiative"%ROWTYPE;
2454 "match_v" BOOLEAN;
2455 "initiative_id_ary" INT4[]; --"initiative"."id"%TYPE[]
2456 BEGIN
2457 SELECT INTO "member_row" * FROM "member" WHERE "id" = "member_id_p";
2458 "initiative_id_ary" := '{}';
2459 LOOP
2460 "match_v" := FALSE;
2461 FOR "member_id_v", "seed_v" IN
2462 SELECT * FROM (
2463 SELECT DISTINCT
2464 "supporter"."member_id",
2465 md5("member_id_p" || '-' || "member_row"."notification_counter" || '-' || "area_id_p" || '-' || "supporter"."member_id") AS "seed"
2466 FROM "supporter"
2467 JOIN "member" ON "member"."id" = "supporter"."member_id"
2468 JOIN "initiative" ON "initiative"."id" = "supporter"."initiative_id"
2469 JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
2470 WHERE "supporter"."member_id" != "member_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".* INTO "result_row"
2477 FROM "initiative"
2478 JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
2479 JOIN "supporter" ON "supporter"."initiative_id" = "initiative"."id"
2480 LEFT JOIN "supporter" AS "self_support" ON
2481 "self_support"."initiative_id" = "initiative"."id" AND
2482 "self_support"."member_id" = "member_id_p"
2483 WHERE "supporter"."member_id" = "member_id_v"
2484 AND "issue"."area_id" = "area_id_p"
2485 AND "issue"."state" IN ('admission', 'discussion', 'verification')
2486 AND "self_support"."member_id" ISNULL
2487 AND NOT "initiative_id_ary" @> ARRAY["initiative"."id"]
2488 ORDER BY md5("seed_v" || '-' || "initiative"."id")
2489 LIMIT 1;
2490 IF FOUND THEN
2491 "match_v" := TRUE;
2492 "initiative_id_ary" := "initiative_id_ary" || "result_row"."id";
2493 RETURN NEXT "result_row";
2494 IF array_length("initiative_id_ary", 1) >= "member_row"."notification_sample_size" THEN
2495 RETURN;
2496 END IF;
2497 END IF;
2498 END LOOP;
2499 EXIT WHEN NOT "match_v";
2500 END LOOP;
2501 RETURN;
2502 END;
2503 $$;
2505 CREATE VIEW "updated_or_featured_initiative" AS
2506 SELECT * FROM "updated_initiative"
2507 UNION ALL
2508 SELECT
2509 "member"."id" AS "seen_by_member_id",
2510 FALSE AS "supported",
2511 EXISTS (
2512 SELECT NULL FROM "draft"
2513 WHERE "draft"."initiative_id" = "initiative"."id"
2514 AND COALESCE(
2515 "draft"."id" > "sent"."last_draft_id",
2516 TRUE
2517 )
2518 ) AS "new_draft",
2519 ( SELECT count(1) FROM "suggestion"
2520 WHERE "suggestion"."initiative_id" = "initiative"."id"
2521 AND COALESCE(
2522 "suggestion"."id" > "sent"."last_suggestion_id",
2523 TRUE
2524 )
2525 ) AS "new_suggestion_count",
2526 TRUE AS "featured",
2527 NOT EXISTS (
2528 SELECT NULL FROM "initiative" AS "better_initiative"
2529 WHERE
2530 "better_initiative"."issue_id" = "initiative"."issue_id"
2531 AND
2532 ( COALESCE("better_initiative"."harmonic_weight", -1),
2533 -"better_initiative"."id" ) >
2534 ( COALESCE("initiative"."harmonic_weight", -1),
2535 -"initiative"."id" )
2536 ) AS "leading",
2537 "initiative".*
2538 FROM "member" CROSS JOIN "area"
2539 CROSS JOIN LATERAL
2540 "featured_initiative"("member"."id", "area"."id") AS "initiative"
2541 LEFT JOIN "initiative_notification_sent" AS "sent"
2542 ON "sent"."member_id" = "member"."id"
2543 AND "sent"."initiative_id" = "initiative"."id";
2545 CREATE VIEW "leading_complement_initiative" AS
2546 SELECT * FROM (
2547 SELECT DISTINCT ON ("seen_by_member_id", "initiative"."issue_id")
2548 "uf_initiative"."seen_by_member_id",
2549 "supporter"."member_id" NOTNULL AS "supported",
2550 CASE WHEN "supporter"."member_id" NOTNULL THEN FALSE ELSE
2551 EXISTS (
2552 SELECT NULL FROM "draft"
2553 WHERE "draft"."initiative_id" = "initiative"."id"
2554 AND COALESCE(
2555 "draft"."id" > "sent"."last_draft_id",
2556 TRUE
2557 )
2558 )
2559 END AS "new_draft",
2560 CASE WHEN "supporter"."member_id" NOTNULL THEN 0 ELSE
2561 ( SELECT count(1) FROM "suggestion"
2562 WHERE "suggestion"."initiative_id" = "initiative"."id"
2563 AND COALESCE(
2564 "suggestion"."id" > "sent"."last_suggestion_id",
2565 TRUE
2566 )
2567 )
2568 END AS "new_suggestion_count",
2569 FALSE AS "featured",
2570 TRUE AS "leading",
2571 "initiative".*
2572 FROM "updated_or_featured_initiative" AS "uf_initiative"
2573 JOIN "initiative" ON
2574 "uf_initiative"."issue_id" = "initiative"."issue_id"
2575 LEFT JOIN "supporter" ON
2576 "supporter"."member_id" = "uf_initiative"."seen_by_member_id" AND
2577 "supporter"."initiative_id" = "initiative"."id"
2578 LEFT JOIN "initiative_notification_sent" AS "sent"
2579 ON "sent"."member_id" = "uf_initiative"."seen_by_member_id"
2580 AND "sent"."initiative_id" = "initiative"."id"
2581 ORDER BY
2582 "seen_by_member_id",
2583 "initiative"."issue_id",
2584 "initiative"."harmonic_weight" DESC,
2585 "initiative"."id"
2586 ) AS "subquery"
2587 WHERE NOT EXISTS (
2588 SELECT NULL FROM "updated_or_featured_initiative" AS "other"
2589 WHERE "other"."seen_by_member_id" = "subquery"."seen_by_member_id"
2590 AND "other"."id" = "subquery"."id"
2591 );
2593 CREATE VIEW "unfiltered_initiative_for_notification" AS
2594 SELECT * FROM "updated_or_featured_initiative"
2595 UNION ALL
2596 SELECT * FROM "leading_complement_initiative";
2598 CREATE VIEW "initiative_for_notification" AS
2599 SELECT "initiative1".*
2600 FROM "unfiltered_initiative_for_notification" "initiative1"
2601 JOIN "issue" AS "issue1" ON "initiative1"."issue_id" = "issue1"."id"
2602 WHERE EXISTS (
2603 SELECT NULL
2604 FROM "unfiltered_initiative_for_notification" "initiative2"
2605 JOIN "issue" AS "issue2" ON "initiative2"."issue_id" = "issue2"."id"
2606 WHERE "initiative1"."seen_by_member_id" = "initiative2"."seen_by_member_id"
2607 AND "issue1"."area_id" = "issue2"."area_id"
2608 AND ( "initiative2"."new_draft" OR "initiative2"."new_suggestion_count" > 0 )
2609 );
2613 ------------------------------------------------------
2614 -- Row set returning function for delegation chains --
2615 ------------------------------------------------------
2618 CREATE TYPE "delegation_chain_loop_tag" AS ENUM
2619 ('first', 'intermediate', 'last', 'repetition');
2621 COMMENT ON TYPE "delegation_chain_loop_tag" IS 'Type for loop tags in "delegation_chain_row" type';
2624 CREATE TYPE "delegation_chain_row" AS (
2625 "index" INT4,
2626 "member_id" INT4,
2627 "member_valid" BOOLEAN,
2628 "participation" BOOLEAN,
2629 "overridden" BOOLEAN,
2630 "scope_in" "delegation_scope",
2631 "scope_out" "delegation_scope",
2632 "disabled_out" BOOLEAN,
2633 "loop" "delegation_chain_loop_tag" );
2635 COMMENT ON TYPE "delegation_chain_row" IS 'Type of rows returned by "delegation_chain" function';
2637 COMMENT ON COLUMN "delegation_chain_row"."index" IS 'Index starting with 0 and counting up';
2638 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';
2639 COMMENT ON COLUMN "delegation_chain_row"."overridden" IS 'True, if an entry with lower index has "participation" set to true';
2640 COMMENT ON COLUMN "delegation_chain_row"."scope_in" IS 'Scope of used incoming delegation';
2641 COMMENT ON COLUMN "delegation_chain_row"."scope_out" IS 'Scope of used outgoing delegation';
2642 COMMENT ON COLUMN "delegation_chain_row"."disabled_out" IS 'Outgoing delegation is explicitly disabled by a delegation with trustee_id set to NULL';
2643 COMMENT ON COLUMN "delegation_chain_row"."loop" IS 'Not null, if member is part of a loop, see "delegation_chain_loop_tag" type';
2646 CREATE FUNCTION "delegation_chain_for_closed_issue"
2647 ( "member_id_p" "member"."id"%TYPE,
2648 "issue_id_p" "issue"."id"%TYPE )
2649 RETURNS SETOF "delegation_chain_row"
2650 LANGUAGE 'plpgsql' STABLE AS $$
2651 DECLARE
2652 "output_row" "delegation_chain_row";
2653 "direct_voter_row" "direct_voter"%ROWTYPE;
2654 "delegating_voter_row" "delegating_voter"%ROWTYPE;
2655 BEGIN
2656 "output_row"."index" := 0;
2657 "output_row"."member_id" := "member_id_p";
2658 "output_row"."member_valid" := TRUE;
2659 "output_row"."participation" := FALSE;
2660 "output_row"."overridden" := FALSE;
2661 "output_row"."disabled_out" := FALSE;
2662 LOOP
2663 SELECT INTO "direct_voter_row" * FROM "direct_voter"
2664 WHERE "issue_id" = "issue_id_p"
2665 AND "member_id" = "output_row"."member_id";
2666 IF "direct_voter_row"."member_id" NOTNULL THEN
2667 "output_row"."participation" := TRUE;
2668 "output_row"."scope_out" := NULL;
2669 "output_row"."disabled_out" := NULL;
2670 RETURN NEXT "output_row";
2671 RETURN;
2672 END IF;
2673 SELECT INTO "delegating_voter_row" * FROM "delegating_voter"
2674 WHERE "issue_id" = "issue_id_p"
2675 AND "member_id" = "output_row"."member_id";
2676 IF "delegating_voter_row"."member_id" ISNULL THEN
2677 RETURN;
2678 END IF;
2679 "output_row"."scope_out" := "delegating_voter_row"."scope";
2680 RETURN NEXT "output_row";
2681 "output_row"."member_id" := "delegating_voter_row"."delegate_member_ids"[1];
2682 "output_row"."scope_in" := "output_row"."scope_out";
2683 END LOOP;
2684 END;
2685 $$;
2687 COMMENT ON FUNCTION "delegation_chain_for_closed_issue"
2688 ( "member"."id"%TYPE,
2689 "member"."id"%TYPE )
2690 IS 'Helper function for "delegation_chain" function, handling the special case of closed issues after voting';
2693 CREATE FUNCTION "delegation_chain"
2694 ( "member_id_p" "member"."id"%TYPE,
2695 "unit_id_p" "unit"."id"%TYPE,
2696 "area_id_p" "area"."id"%TYPE,
2697 "issue_id_p" "issue"."id"%TYPE,
2698 "simulate_trustee_id_p" "member"."id"%TYPE DEFAULT NULL,
2699 "simulate_default_p" BOOLEAN DEFAULT FALSE )
2700 RETURNS SETOF "delegation_chain_row"
2701 LANGUAGE 'plpgsql' STABLE AS $$
2702 DECLARE
2703 "scope_v" "delegation_scope";
2704 "unit_id_v" "unit"."id"%TYPE;
2705 "area_id_v" "area"."id"%TYPE;
2706 "issue_row" "issue"%ROWTYPE;
2707 "visited_member_ids" INT4[]; -- "member"."id"%TYPE[]
2708 "loop_member_id_v" "member"."id"%TYPE;
2709 "output_row" "delegation_chain_row";
2710 "output_rows" "delegation_chain_row"[];
2711 "simulate_v" BOOLEAN;
2712 "simulate_here_v" BOOLEAN;
2713 "delegation_row" "delegation"%ROWTYPE;
2714 "row_count" INT4;
2715 "i" INT4;
2716 "loop_v" BOOLEAN;
2717 BEGIN
2718 IF "simulate_trustee_id_p" NOTNULL AND "simulate_default_p" THEN
2719 RAISE EXCEPTION 'Both "simulate_trustee_id_p" is set, and "simulate_default_p" is true';
2720 END IF;
2721 IF "simulate_trustee_id_p" NOTNULL OR "simulate_default_p" THEN
2722 "simulate_v" := TRUE;
2723 ELSE
2724 "simulate_v" := FALSE;
2725 END IF;
2726 IF
2727 "unit_id_p" NOTNULL AND
2728 "area_id_p" ISNULL AND
2729 "issue_id_p" ISNULL
2730 THEN
2731 "scope_v" := 'unit';
2732 "unit_id_v" := "unit_id_p";
2733 ELSIF
2734 "unit_id_p" ISNULL AND
2735 "area_id_p" NOTNULL AND
2736 "issue_id_p" ISNULL
2737 THEN
2738 "scope_v" := 'area';
2739 "area_id_v" := "area_id_p";
2740 SELECT "unit_id" INTO "unit_id_v"
2741 FROM "area" WHERE "id" = "area_id_v";
2742 ELSIF
2743 "unit_id_p" ISNULL AND
2744 "area_id_p" ISNULL AND
2745 "issue_id_p" NOTNULL
2746 THEN
2747 SELECT INTO "issue_row" * FROM "issue" WHERE "id" = "issue_id_p";
2748 IF "issue_row"."id" ISNULL THEN
2749 RETURN;
2750 END IF;
2751 IF "issue_row"."closed" NOTNULL THEN
2752 IF "simulate_v" THEN
2753 RAISE EXCEPTION 'Tried to simulate delegation chain for closed issue.';
2754 END IF;
2755 FOR "output_row" IN
2756 SELECT * FROM
2757 "delegation_chain_for_closed_issue"("member_id_p", "issue_id_p")
2758 LOOP
2759 RETURN NEXT "output_row";
2760 END LOOP;
2761 RETURN;
2762 END IF;
2763 "scope_v" := 'issue';
2764 SELECT "area_id" INTO "area_id_v"
2765 FROM "issue" WHERE "id" = "issue_id_p";
2766 SELECT "unit_id" INTO "unit_id_v"
2767 FROM "area" WHERE "id" = "area_id_v";
2768 ELSE
2769 RAISE EXCEPTION 'Exactly one of unit_id_p, area_id_p, or issue_id_p must be NOTNULL.';
2770 END IF;
2771 "visited_member_ids" := '{}';
2772 "loop_member_id_v" := NULL;
2773 "output_rows" := '{}';
2774 "output_row"."index" := 0;
2775 "output_row"."member_id" := "member_id_p";
2776 "output_row"."member_valid" := TRUE;
2777 "output_row"."participation" := FALSE;
2778 "output_row"."overridden" := FALSE;
2779 "output_row"."disabled_out" := FALSE;
2780 "output_row"."scope_out" := NULL;
2781 LOOP
2782 IF "visited_member_ids" @> ARRAY["output_row"."member_id"] THEN
2783 "loop_member_id_v" := "output_row"."member_id";
2784 ELSE
2785 "visited_member_ids" :=
2786 "visited_member_ids" || "output_row"."member_id";
2787 END IF;
2788 IF "output_row"."participation" ISNULL THEN
2789 "output_row"."overridden" := NULL;
2790 ELSIF "output_row"."participation" THEN
2791 "output_row"."overridden" := TRUE;
2792 END IF;
2793 "output_row"."scope_in" := "output_row"."scope_out";
2794 "output_row"."member_valid" := EXISTS (
2795 SELECT NULL FROM "member" JOIN "privilege"
2796 ON "privilege"."member_id" = "member"."id"
2797 AND "privilege"."unit_id" = "unit_id_v"
2798 WHERE "id" = "output_row"."member_id"
2799 AND "member"."active" AND "privilege"."voting_right"
2800 );
2801 "simulate_here_v" := (
2802 "simulate_v" AND
2803 "output_row"."member_id" = "member_id_p"
2804 );
2805 "delegation_row" := ROW(NULL);
2806 IF "output_row"."member_valid" OR "simulate_here_v" THEN
2807 IF "scope_v" = 'unit' THEN
2808 IF NOT "simulate_here_v" THEN
2809 SELECT * INTO "delegation_row" FROM "delegation"
2810 WHERE "truster_id" = "output_row"."member_id"
2811 AND "unit_id" = "unit_id_v";
2812 END IF;
2813 ELSIF "scope_v" = 'area' THEN
2814 "output_row"."participation" := EXISTS (
2815 SELECT NULL FROM "membership"
2816 WHERE "area_id" = "area_id_p"
2817 AND "member_id" = "output_row"."member_id"
2818 );
2819 IF "simulate_here_v" THEN
2820 IF "simulate_trustee_id_p" ISNULL THEN
2821 SELECT * INTO "delegation_row" FROM "delegation"
2822 WHERE "truster_id" = "output_row"."member_id"
2823 AND "unit_id" = "unit_id_v";
2824 END IF;
2825 ELSE
2826 SELECT * INTO "delegation_row" FROM "delegation"
2827 WHERE "truster_id" = "output_row"."member_id"
2828 AND (
2829 "unit_id" = "unit_id_v" OR
2830 "area_id" = "area_id_v"
2831 )
2832 ORDER BY "scope" DESC;
2833 END IF;
2834 ELSIF "scope_v" = 'issue' THEN
2835 IF "issue_row"."fully_frozen" ISNULL THEN
2836 "output_row"."participation" := EXISTS (
2837 SELECT NULL FROM "interest"
2838 WHERE "issue_id" = "issue_id_p"
2839 AND "member_id" = "output_row"."member_id"
2840 );
2841 ELSE
2842 IF "output_row"."member_id" = "member_id_p" THEN
2843 "output_row"."participation" := EXISTS (
2844 SELECT NULL FROM "direct_voter"
2845 WHERE "issue_id" = "issue_id_p"
2846 AND "member_id" = "output_row"."member_id"
2847 );
2848 ELSE
2849 "output_row"."participation" := NULL;
2850 END IF;
2851 END IF;
2852 IF "simulate_here_v" THEN
2853 IF "simulate_trustee_id_p" ISNULL THEN
2854 SELECT * INTO "delegation_row" FROM "delegation"
2855 WHERE "truster_id" = "output_row"."member_id"
2856 AND (
2857 "unit_id" = "unit_id_v" OR
2858 "area_id" = "area_id_v"
2859 )
2860 ORDER BY "scope" DESC;
2861 END IF;
2862 ELSE
2863 SELECT * INTO "delegation_row" FROM "delegation"
2864 WHERE "truster_id" = "output_row"."member_id"
2865 AND (
2866 "unit_id" = "unit_id_v" OR
2867 "area_id" = "area_id_v" OR
2868 "issue_id" = "issue_id_p"
2869 )
2870 ORDER BY "scope" DESC;
2871 END IF;
2872 END IF;
2873 ELSE
2874 "output_row"."participation" := FALSE;
2875 END IF;
2876 IF "simulate_here_v" AND "simulate_trustee_id_p" NOTNULL THEN
2877 "output_row"."scope_out" := "scope_v";
2878 "output_rows" := "output_rows" || "output_row";
2879 "output_row"."member_id" := "simulate_trustee_id_p";
2880 ELSIF "delegation_row"."trustee_id" NOTNULL THEN
2881 "output_row"."scope_out" := "delegation_row"."scope";
2882 "output_rows" := "output_rows" || "output_row";
2883 "output_row"."member_id" := "delegation_row"."trustee_id";
2884 ELSIF "delegation_row"."scope" NOTNULL THEN
2885 "output_row"."scope_out" := "delegation_row"."scope";
2886 "output_row"."disabled_out" := TRUE;
2887 "output_rows" := "output_rows" || "output_row";
2888 EXIT;
2889 ELSE
2890 "output_row"."scope_out" := NULL;
2891 "output_rows" := "output_rows" || "output_row";
2892 EXIT;
2893 END IF;
2894 EXIT WHEN "loop_member_id_v" NOTNULL;
2895 "output_row"."index" := "output_row"."index" + 1;
2896 END LOOP;
2897 "row_count" := array_upper("output_rows", 1);
2898 "i" := 1;
2899 "loop_v" := FALSE;
2900 LOOP
2901 "output_row" := "output_rows"["i"];
2902 EXIT WHEN "output_row" ISNULL; -- NOTE: ISNULL and NOT ... NOTNULL produce different results!
2903 IF "loop_v" THEN
2904 IF "i" + 1 = "row_count" THEN
2905 "output_row"."loop" := 'last';
2906 ELSIF "i" = "row_count" THEN
2907 "output_row"."loop" := 'repetition';
2908 ELSE
2909 "output_row"."loop" := 'intermediate';
2910 END IF;
2911 ELSIF "output_row"."member_id" = "loop_member_id_v" THEN
2912 "output_row"."loop" := 'first';
2913 "loop_v" := TRUE;
2914 END IF;
2915 IF "scope_v" = 'unit' THEN
2916 "output_row"."participation" := NULL;
2917 END IF;
2918 RETURN NEXT "output_row";
2919 "i" := "i" + 1;
2920 END LOOP;
2921 RETURN;
2922 END;
2923 $$;
2925 COMMENT ON FUNCTION "delegation_chain"
2926 ( "member"."id"%TYPE,
2927 "unit"."id"%TYPE,
2928 "area"."id"%TYPE,
2929 "issue"."id"%TYPE,
2930 "member"."id"%TYPE,
2931 BOOLEAN )
2932 IS 'Shows a delegation chain for unit, area, or issue; See "delegation_chain_row" type for more information';
2936 ---------------------------------------------------------
2937 -- Single row returning function for delegation chains --
2938 ---------------------------------------------------------
2941 CREATE TYPE "delegation_info_loop_type" AS ENUM
2942 ('own', 'first', 'first_ellipsis', 'other', 'other_ellipsis');
2944 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''';
2947 CREATE TYPE "delegation_info_type" AS (
2948 "own_participation" BOOLEAN,
2949 "own_delegation_scope" "delegation_scope",
2950 "first_trustee_id" INT4,
2951 "first_trustee_participation" BOOLEAN,
2952 "first_trustee_ellipsis" BOOLEAN,
2953 "other_trustee_id" INT4,
2954 "other_trustee_participation" BOOLEAN,
2955 "other_trustee_ellipsis" BOOLEAN,
2956 "delegation_loop" "delegation_info_loop_type",
2957 "participating_member_id" INT4 );
2959 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';
2961 COMMENT ON COLUMN "delegation_info_type"."own_participation" IS 'Member is directly participating';
2962 COMMENT ON COLUMN "delegation_info_type"."own_delegation_scope" IS 'Delegation scope of member';
2963 COMMENT ON COLUMN "delegation_info_type"."first_trustee_id" IS 'Direct trustee of member';
2964 COMMENT ON COLUMN "delegation_info_type"."first_trustee_participation" IS 'Direct trustee of member is participating';
2965 COMMENT ON COLUMN "delegation_info_type"."first_trustee_ellipsis" IS 'Ellipsis in delegation chain after "first_trustee"';
2966 COMMENT ON COLUMN "delegation_info_type"."other_trustee_id" IS 'Another relevant trustee (due to participation)';
2967 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)';
2968 COMMENT ON COLUMN "delegation_info_type"."other_trustee_ellipsis" IS 'Ellipsis in delegation chain after "other_trustee"';
2969 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';
2970 COMMENT ON COLUMN "delegation_info_type"."participating_member_id" IS 'First participating member in delegation chain';
2973 CREATE FUNCTION "delegation_info"
2974 ( "member_id_p" "member"."id"%TYPE,
2975 "unit_id_p" "unit"."id"%TYPE,
2976 "area_id_p" "area"."id"%TYPE,
2977 "issue_id_p" "issue"."id"%TYPE,
2978 "simulate_trustee_id_p" "member"."id"%TYPE DEFAULT NULL,
2979 "simulate_default_p" BOOLEAN DEFAULT FALSE )
2980 RETURNS "delegation_info_type"
2981 LANGUAGE 'plpgsql' STABLE AS $$
2982 DECLARE
2983 "current_row" "delegation_chain_row";
2984 "result" "delegation_info_type";
2985 BEGIN
2986 "result"."own_participation" := FALSE;
2987 FOR "current_row" IN
2988 SELECT * FROM "delegation_chain"(
2989 "member_id_p",
2990 "unit_id_p", "area_id_p", "issue_id_p",
2991 "simulate_trustee_id_p", "simulate_default_p")
2992 LOOP
2993 IF
2994 "result"."participating_member_id" ISNULL AND
2995 "current_row"."participation"
2996 THEN
2997 "result"."participating_member_id" := "current_row"."member_id";
2998 END IF;
2999 IF "current_row"."member_id" = "member_id_p" THEN
3000 "result"."own_participation" := "current_row"."participation";
3001 "result"."own_delegation_scope" := "current_row"."scope_out";
3002 IF "current_row"."loop" = 'first' THEN
3003 "result"."delegation_loop" := 'own';
3004 END IF;
3005 ELSIF
3006 "current_row"."member_valid" AND
3007 ( "current_row"."loop" ISNULL OR
3008 "current_row"."loop" != 'repetition' )
3009 THEN
3010 IF "result"."first_trustee_id" ISNULL THEN
3011 "result"."first_trustee_id" := "current_row"."member_id";
3012 "result"."first_trustee_participation" := "current_row"."participation";
3013 "result"."first_trustee_ellipsis" := FALSE;
3014 IF "current_row"."loop" = 'first' THEN
3015 "result"."delegation_loop" := 'first';
3016 END IF;
3017 ELSIF "result"."other_trustee_id" ISNULL THEN
3018 IF "current_row"."participation" AND NOT "current_row"."overridden" THEN
3019 "result"."other_trustee_id" := "current_row"."member_id";
3020 "result"."other_trustee_participation" := TRUE;
3021 "result"."other_trustee_ellipsis" := FALSE;
3022 IF "current_row"."loop" = 'first' THEN
3023 "result"."delegation_loop" := 'other';
3024 END IF;
3025 ELSE
3026 "result"."first_trustee_ellipsis" := TRUE;
3027 IF "current_row"."loop" = 'first' THEN
3028 "result"."delegation_loop" := 'first_ellipsis';
3029 END IF;
3030 END IF;
3031 ELSE
3032 "result"."other_trustee_ellipsis" := TRUE;
3033 IF "current_row"."loop" = 'first' THEN
3034 "result"."delegation_loop" := 'other_ellipsis';
3035 END IF;
3036 END IF;
3037 END IF;
3038 END LOOP;
3039 RETURN "result";
3040 END;
3041 $$;
3043 COMMENT ON FUNCTION "delegation_info"
3044 ( "member"."id"%TYPE,
3045 "unit"."id"%TYPE,
3046 "area"."id"%TYPE,
3047 "issue"."id"%TYPE,
3048 "member"."id"%TYPE,
3049 BOOLEAN )
3050 IS 'Notable information about a delegation chain for unit, area, or issue; See "delegation_info_type" for more information';
3054 ---------------------------
3055 -- Transaction isolation --
3056 ---------------------------
3059 CREATE FUNCTION "require_transaction_isolation"()
3060 RETURNS VOID
3061 LANGUAGE 'plpgsql' VOLATILE AS $$
3062 BEGIN
3063 IF
3064 current_setting('transaction_isolation') NOT IN
3065 ('repeatable read', 'serializable')
3066 THEN
3067 RAISE EXCEPTION 'Insufficient transaction isolation level' USING
3068 HINT = 'Consider using SET TRANSACTION ISOLATION LEVEL REPEATABLE READ.';
3069 END IF;
3070 RETURN;
3071 END;
3072 $$;
3074 COMMENT ON FUNCTION "require_transaction_isolation"() IS 'Throws an exception, if transaction isolation level is too low to provide a consistent snapshot';
3077 CREATE FUNCTION "dont_require_transaction_isolation"()
3078 RETURNS VOID
3079 LANGUAGE 'plpgsql' VOLATILE AS $$
3080 BEGIN
3081 IF
3082 current_setting('transaction_isolation') IN
3083 ('repeatable read', 'serializable')
3084 THEN
3085 RAISE WARNING 'Unneccessary transaction isolation level: %',
3086 current_setting('transaction_isolation');
3087 END IF;
3088 RETURN;
3089 END;
3090 $$;
3092 COMMENT ON FUNCTION "dont_require_transaction_isolation"() IS 'Raises a warning, if transaction isolation level is higher than READ COMMITTED';
3096 -------------------------
3097 -- Notification system --
3098 -------------------------
3100 CREATE FUNCTION "get_initiatives_for_notification"
3101 ( "member_id_p" "member"."id"%TYPE )
3102 RETURNS SETOF "initiative_for_notification"
3103 LANGUAGE 'plpgsql' VOLATILE AS $$
3104 DECLARE
3105 "result_row" "initiative_for_notification"%ROWTYPE;
3106 "last_draft_id_v" "draft"."id"%TYPE;
3107 "last_suggestion_id_v" "suggestion"."id"%TYPE;
3108 BEGIN
3109 PERFORM "require_transaction_isolation"();
3110 PERFORM NULL FROM "member" WHERE "id" = "member_id_p" FOR UPDATE;
3111 FOR "result_row" IN
3112 SELECT * FROM "initiative_for_notification"
3113 WHERE "seen_by_member_id" = "member_id_p"
3114 LOOP
3115 SELECT "id" INTO "last_draft_id_v" FROM "draft"
3116 WHERE "draft"."initiative_id" = "result_row"."id"
3117 ORDER BY "id" DESC LIMIT 1;
3118 SELECT "id" INTO "last_suggestion_id_v" FROM "suggestion"
3119 WHERE "suggestion"."initiative_id" = "result_row"."id"
3120 ORDER BY "id" DESC LIMIT 1;
3121 INSERT INTO "initiative_notification_sent"
3122 ("member_id", "initiative_id", "last_draft_id", "last_suggestion_id")
3123 VALUES (
3124 "member_id_p",
3125 "result_row"."id",
3126 "last_draft_id_v",
3127 "last_suggestion_id_v" )
3128 ON CONFLICT ("member_id", "initiative_id") DO UPDATE SET
3129 "last_draft_id" = CASE
3130 WHEN "last_draft_id" > "last_draft_id_v"
3131 THEN "last_draft_id"
3132 ELSE "last_draft_id_v"
3133 END,
3134 "last_suggestion_id" = CASE
3135 WHEN "last_suggestion_id" > "last_suggestion_id_v"
3136 THEN "last_suggestion_id"
3137 ELSE "last_suggestion_id_v"
3138 END;
3139 RETURN NEXT "result_row";
3140 END LOOP;
3141 DELETE FROM "initiative_notification_sent"
3142 USING "initiative", "issue"
3143 WHERE "initiative_notification_sent"."member_id" = "member_id_p"
3144 AND "initiative"."id" = "initiative_notification_sent"."initiative_id"
3145 AND "issue"."id" = "initiative"."issue_id"
3146 AND ( "issue"."closed" NOTNULL OR "issue"."fully_frozen" NOTNULL );
3147 UPDATE "member" SET "notification_counter" = "notification_counter" + 1
3148 WHERE "id" = "member_id_p";
3149 RETURN;
3150 END;
3151 $$;
3155 ------------------------------------------------------------------------
3156 -- Regular tasks, except calculcation of snapshots and voting results --
3157 ------------------------------------------------------------------------
3160 CREATE FUNCTION "check_activity"()
3161 RETURNS VOID
3162 LANGUAGE 'plpgsql' VOLATILE AS $$
3163 DECLARE
3164 "system_setting_row" "system_setting"%ROWTYPE;
3165 BEGIN
3166 PERFORM "dont_require_transaction_isolation"();
3167 SELECT * INTO "system_setting_row" FROM "system_setting";
3168 IF "system_setting_row"."member_ttl" NOTNULL THEN
3169 UPDATE "member" SET "active" = FALSE
3170 WHERE "active" = TRUE
3171 AND "last_activity" < (now() - "system_setting_row"."member_ttl")::DATE;
3172 END IF;
3173 RETURN;
3174 END;
3175 $$;
3177 COMMENT ON FUNCTION "check_activity"() IS 'Deactivates members when "last_activity" is older than "system_setting"."member_ttl".';
3180 CREATE FUNCTION "calculate_member_counts"()
3181 RETURNS VOID
3182 LANGUAGE 'plpgsql' VOLATILE AS $$
3183 BEGIN
3184 PERFORM "require_transaction_isolation"();
3185 DELETE FROM "member_count";
3186 INSERT INTO "member_count" ("total_count")
3187 SELECT "total_count" FROM "member_count_view";
3188 UPDATE "unit" SET "member_count" = "view"."member_count"
3189 FROM "unit_member_count" AS "view"
3190 WHERE "view"."unit_id" = "unit"."id";
3191 UPDATE "area" SET
3192 "direct_member_count" = "view"."direct_member_count",
3193 "member_weight" = "view"."member_weight"
3194 FROM "area_member_count" AS "view"
3195 WHERE "view"."area_id" = "area"."id";
3196 RETURN;
3197 END;
3198 $$;
3200 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"';
3204 ------------------------------------
3205 -- Calculation of harmonic weight --
3206 ------------------------------------
3209 CREATE VIEW "remaining_harmonic_supporter_weight" AS
3210 SELECT
3211 "direct_interest_snapshot"."issue_id",
3212 "direct_interest_snapshot"."event",
3213 "direct_interest_snapshot"."member_id",
3214 "direct_interest_snapshot"."weight" AS "weight_num",
3215 count("initiative"."id") AS "weight_den"
3216 FROM "issue"
3217 JOIN "direct_interest_snapshot"
3218 ON "issue"."id" = "direct_interest_snapshot"."issue_id"
3219 AND "issue"."latest_snapshot_event" = "direct_interest_snapshot"."event"
3220 JOIN "initiative"
3221 ON "issue"."id" = "initiative"."issue_id"
3222 AND "initiative"."harmonic_weight" ISNULL
3223 JOIN "direct_supporter_snapshot"
3224 ON "initiative"."id" = "direct_supporter_snapshot"."initiative_id"
3225 AND "direct_interest_snapshot"."event" = "direct_supporter_snapshot"."event"
3226 AND "direct_interest_snapshot"."member_id" = "direct_supporter_snapshot"."member_id"
3227 AND (
3228 "direct_supporter_snapshot"."satisfied" = TRUE OR
3229 coalesce("initiative"."admitted", FALSE) = FALSE
3230 )
3231 GROUP BY
3232 "direct_interest_snapshot"."issue_id",
3233 "direct_interest_snapshot"."event",
3234 "direct_interest_snapshot"."member_id",
3235 "direct_interest_snapshot"."weight";
3237 COMMENT ON VIEW "remaining_harmonic_supporter_weight" IS 'Helper view for function "set_harmonic_initiative_weights"';
3240 CREATE VIEW "remaining_harmonic_initiative_weight_summands" AS
3241 SELECT
3242 "initiative"."issue_id",
3243 "initiative"."id" AS "initiative_id",
3244 "initiative"."admitted",
3245 sum("remaining_harmonic_supporter_weight"."weight_num") AS "weight_num",
3246 "remaining_harmonic_supporter_weight"."weight_den"
3247 FROM "remaining_harmonic_supporter_weight"
3248 JOIN "initiative"
3249 ON "remaining_harmonic_supporter_weight"."issue_id" = "initiative"."issue_id"
3250 AND "initiative"."harmonic_weight" ISNULL
3251 JOIN "direct_supporter_snapshot"
3252 ON "initiative"."id" = "direct_supporter_snapshot"."initiative_id"
3253 AND "remaining_harmonic_supporter_weight"."event" = "direct_supporter_snapshot"."event"
3254 AND "remaining_harmonic_supporter_weight"."member_id" = "direct_supporter_snapshot"."member_id"
3255 AND (
3256 "direct_supporter_snapshot"."satisfied" = TRUE OR
3257 coalesce("initiative"."admitted", FALSE) = FALSE
3258 )
3259 GROUP BY
3260 "initiative"."issue_id",
3261 "initiative"."id",
3262 "initiative"."admitted",
3263 "remaining_harmonic_supporter_weight"."weight_den";
3265 COMMENT ON VIEW "remaining_harmonic_initiative_weight_summands" IS 'Helper view for function "set_harmonic_initiative_weights"';
3268 CREATE VIEW "remaining_harmonic_initiative_weight_dummies" AS
3269 SELECT
3270 "issue_id",
3271 "id" AS "initiative_id",
3272 "admitted",
3273 0 AS "weight_num",
3274 1 AS "weight_den"
3275 FROM "initiative"
3276 WHERE "harmonic_weight" ISNULL;
3278 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';
3281 CREATE FUNCTION "set_harmonic_initiative_weights"
3282 ( "issue_id_p" "issue"."id"%TYPE )
3283 RETURNS VOID
3284 LANGUAGE 'plpgsql' VOLATILE AS $$
3285 DECLARE
3286 "weight_row" "remaining_harmonic_initiative_weight_summands"%ROWTYPE;
3287 "i" INT4;
3288 "count_v" INT4;
3289 "summand_v" FLOAT;
3290 "id_ary" INT4[];
3291 "weight_ary" FLOAT[];
3292 "min_weight_v" FLOAT;
3293 BEGIN
3294 PERFORM "require_transaction_isolation"();
3295 UPDATE "initiative" SET "harmonic_weight" = NULL
3296 WHERE "issue_id" = "issue_id_p";
3297 LOOP
3298 "min_weight_v" := NULL;
3299 "i" := 0;
3300 "count_v" := 0;
3301 FOR "weight_row" IN
3302 SELECT * FROM "remaining_harmonic_initiative_weight_summands"
3303 WHERE "issue_id" = "issue_id_p"
3304 AND (
3305 coalesce("admitted", FALSE) = FALSE OR NOT EXISTS (
3306 SELECT NULL FROM "initiative"
3307 WHERE "issue_id" = "issue_id_p"
3308 AND "harmonic_weight" ISNULL
3309 AND coalesce("admitted", FALSE) = FALSE
3310 )
3311 )
3312 UNION ALL -- needed for corner cases
3313 SELECT * FROM "remaining_harmonic_initiative_weight_dummies"
3314 WHERE "issue_id" = "issue_id_p"
3315 AND (
3316 coalesce("admitted", FALSE) = FALSE OR NOT EXISTS (
3317 SELECT NULL FROM "initiative"
3318 WHERE "issue_id" = "issue_id_p"
3319 AND "harmonic_weight" ISNULL
3320 AND coalesce("admitted", FALSE) = FALSE
3321 )
3322 )
3323 ORDER BY "initiative_id" DESC, "weight_den" DESC
3324 -- NOTE: non-admitted initiatives placed first (at last positions),
3325 -- latest initiatives treated worse in case of tie
3326 LOOP
3327 "summand_v" := "weight_row"."weight_num"::FLOAT / "weight_row"."weight_den"::FLOAT;
3328 IF "i" = 0 OR "weight_row"."initiative_id" != "id_ary"["i"] THEN
3329 "i" := "i" + 1;
3330 "count_v" := "i";
3331 "id_ary"["i"] := "weight_row"."initiative_id";
3332 "weight_ary"["i"] := "summand_v";
3333 ELSE
3334 "weight_ary"["i"] := "weight_ary"["i"] + "summand_v";
3335 END IF;
3336 END LOOP;
3337 EXIT WHEN "count_v" = 0;
3338 "i" := 1;
3339 LOOP
3340 "weight_ary"["i"] := "weight_ary"["i"]::NUMERIC(18,9)::NUMERIC(12,3);
3341 IF "min_weight_v" ISNULL OR "weight_ary"["i"] < "min_weight_v" THEN
3342 "min_weight_v" := "weight_ary"["i"];
3343 END IF;
3344 "i" := "i" + 1;
3345 EXIT WHEN "i" > "count_v";
3346 END LOOP;
3347 "i" := 1;
3348 LOOP
3349 IF "weight_ary"["i"] = "min_weight_v" THEN
3350 UPDATE "initiative" SET "harmonic_weight" = "min_weight_v"
3351 WHERE "id" = "id_ary"["i"];
3352 EXIT;
3353 END IF;
3354 "i" := "i" + 1;
3355 END LOOP;
3356 END LOOP;
3357 UPDATE "initiative" SET "harmonic_weight" = 0
3358 WHERE "issue_id" = "issue_id_p" AND "harmonic_weight" ISNULL;
3359 END;
3360 $$;
3362 COMMENT ON FUNCTION "set_harmonic_initiative_weights"
3363 ( "issue"."id"%TYPE )
3364 IS 'Calculates and sets "harmonic_weight" of initiatives in a given issue';
3368 ------------------------------
3369 -- Calculation of snapshots --
3370 ------------------------------
3373 CREATE FUNCTION "weight_of_added_delegations_for_population_snapshot"
3374 ( "issue_id_p" "issue"."id"%TYPE,
3375 "member_id_p" "member"."id"%TYPE,
3376 "delegate_member_ids_p" "delegating_population_snapshot"."delegate_member_ids"%TYPE )
3377 RETURNS "direct_population_snapshot"."weight"%TYPE
3378 LANGUAGE 'plpgsql' VOLATILE AS $$
3379 DECLARE
3380 "issue_delegation_row" "issue_delegation"%ROWTYPE;
3381 "delegate_member_ids_v" "delegating_population_snapshot"."delegate_member_ids"%TYPE;
3382 "weight_v" INT4;
3383 "sub_weight_v" INT4;
3384 BEGIN
3385 PERFORM "require_transaction_isolation"();
3386 "weight_v" := 0;
3387 FOR "issue_delegation_row" IN
3388 SELECT * FROM "issue_delegation"
3389 WHERE "trustee_id" = "member_id_p"
3390 AND "issue_id" = "issue_id_p"
3391 LOOP
3392 IF NOT EXISTS (
3393 SELECT NULL FROM "direct_population_snapshot"
3394 WHERE "issue_id" = "issue_id_p"
3395 AND "event" = 'periodic'
3396 AND "member_id" = "issue_delegation_row"."truster_id"
3397 ) AND NOT EXISTS (
3398 SELECT NULL FROM "delegating_population_snapshot"
3399 WHERE "issue_id" = "issue_id_p"
3400 AND "event" = 'periodic'
3401 AND "member_id" = "issue_delegation_row"."truster_id"
3402 ) THEN
3403 "delegate_member_ids_v" :=
3404 "member_id_p" || "delegate_member_ids_p";
3405 INSERT INTO "delegating_population_snapshot" (
3406 "issue_id",
3407 "event",
3408 "member_id",
3409 "scope",
3410 "delegate_member_ids"
3411 ) VALUES (
3412 "issue_id_p",
3413 'periodic',
3414 "issue_delegation_row"."truster_id",
3415 "issue_delegation_row"."scope",
3416 "delegate_member_ids_v"
3417 );
3418 "sub_weight_v" := 1 +
3419 "weight_of_added_delegations_for_population_snapshot"(
3420 "issue_id_p",
3421 "issue_delegation_row"."truster_id",
3422 "delegate_member_ids_v"
3423 );
3424 UPDATE "delegating_population_snapshot"
3425 SET "weight" = "sub_weight_v"
3426 WHERE "issue_id" = "issue_id_p"
3427 AND "event" = 'periodic'
3428 AND "member_id" = "issue_delegation_row"."truster_id";
3429 "weight_v" := "weight_v" + "sub_weight_v";
3430 END IF;
3431 END LOOP;
3432 RETURN "weight_v";
3433 END;
3434 $$;
3436 COMMENT ON FUNCTION "weight_of_added_delegations_for_population_snapshot"
3437 ( "issue"."id"%TYPE,
3438 "member"."id"%TYPE,
3439 "delegating_population_snapshot"."delegate_member_ids"%TYPE )
3440 IS 'Helper function for "create_population_snapshot" function';
3443 CREATE FUNCTION "create_population_snapshot"
3444 ( "issue_id_p" "issue"."id"%TYPE )
3445 RETURNS VOID
3446 LANGUAGE 'plpgsql' VOLATILE AS $$
3447 DECLARE
3448 "member_id_v" "member"."id"%TYPE;
3449 BEGIN
3450 PERFORM "require_transaction_isolation"();
3451 DELETE FROM "direct_population_snapshot"
3452 WHERE "issue_id" = "issue_id_p"
3453 AND "event" = 'periodic';
3454 DELETE FROM "delegating_population_snapshot"
3455 WHERE "issue_id" = "issue_id_p"
3456 AND "event" = 'periodic';
3457 INSERT INTO "direct_population_snapshot"
3458 ("issue_id", "event", "member_id")
3459 SELECT
3460 "issue_id_p" AS "issue_id",
3461 'periodic'::"snapshot_event" AS "event",
3462 "member"."id" AS "member_id"
3463 FROM "issue"
3464 JOIN "area" ON "issue"."area_id" = "area"."id"
3465 JOIN "membership" ON "area"."id" = "membership"."area_id"
3466 JOIN "member" ON "membership"."member_id" = "member"."id"
3467 JOIN "privilege"
3468 ON "privilege"."unit_id" = "area"."unit_id"
3469 AND "privilege"."member_id" = "member"."id"
3470 WHERE "issue"."id" = "issue_id_p"
3471 AND "member"."active" AND "privilege"."voting_right"
3472 UNION
3473 SELECT
3474 "issue_id_p" AS "issue_id",
3475 'periodic'::"snapshot_event" AS "event",
3476 "member"."id" AS "member_id"
3477 FROM "issue"
3478 JOIN "area" ON "issue"."area_id" = "area"."id"
3479 JOIN "interest" ON "issue"."id" = "interest"."issue_id"
3480 JOIN "member" ON "interest"."member_id" = "member"."id"
3481 JOIN "privilege"
3482 ON "privilege"."unit_id" = "area"."unit_id"
3483 AND "privilege"."member_id" = "member"."id"
3484 WHERE "issue"."id" = "issue_id_p"
3485 AND "member"."active" AND "privilege"."voting_right";
3486 FOR "member_id_v" IN
3487 SELECT "member_id" FROM "direct_population_snapshot"
3488 WHERE "issue_id" = "issue_id_p"
3489 AND "event" = 'periodic'
3490 LOOP
3491 UPDATE "direct_population_snapshot" SET
3492 "weight" = 1 +
3493 "weight_of_added_delegations_for_population_snapshot"(
3494 "issue_id_p",
3495 "member_id_v",
3496 '{}'
3497 )
3498 WHERE "issue_id" = "issue_id_p"
3499 AND "event" = 'periodic'
3500 AND "member_id" = "member_id_v";
3501 END LOOP;
3502 RETURN;
3503 END;
3504 $$;
3506 COMMENT ON FUNCTION "create_population_snapshot"
3507 ( "issue"."id"%TYPE )
3508 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.';
3511 CREATE FUNCTION "weight_of_added_delegations_for_interest_snapshot"
3512 ( "issue_id_p" "issue"."id"%TYPE,
3513 "member_id_p" "member"."id"%TYPE,
3514 "delegate_member_ids_p" "delegating_interest_snapshot"."delegate_member_ids"%TYPE )
3515 RETURNS "direct_interest_snapshot"."weight"%TYPE
3516 LANGUAGE 'plpgsql' VOLATILE AS $$
3517 DECLARE
3518 "issue_delegation_row" "issue_delegation"%ROWTYPE;
3519 "delegate_member_ids_v" "delegating_interest_snapshot"."delegate_member_ids"%TYPE;
3520 "weight_v" INT4;
3521 "sub_weight_v" INT4;
3522 BEGIN
3523 PERFORM "require_transaction_isolation"();
3524 "weight_v" := 0;
3525 FOR "issue_delegation_row" IN
3526 SELECT * FROM "issue_delegation"
3527 WHERE "trustee_id" = "member_id_p"
3528 AND "issue_id" = "issue_id_p"
3529 LOOP
3530 IF NOT EXISTS (
3531 SELECT NULL FROM "direct_interest_snapshot"
3532 WHERE "issue_id" = "issue_id_p"
3533 AND "event" = 'periodic'
3534 AND "member_id" = "issue_delegation_row"."truster_id"
3535 ) AND NOT EXISTS (
3536 SELECT NULL FROM "delegating_interest_snapshot"
3537 WHERE "issue_id" = "issue_id_p"
3538 AND "event" = 'periodic'
3539 AND "member_id" = "issue_delegation_row"."truster_id"
3540 ) THEN
3541 "delegate_member_ids_v" :=
3542 "member_id_p" || "delegate_member_ids_p";
3543 INSERT INTO "delegating_interest_snapshot" (
3544 "issue_id",
3545 "event",
3546 "member_id",
3547 "scope",
3548 "delegate_member_ids"
3549 ) VALUES (
3550 "issue_id_p",
3551 'periodic',
3552 "issue_delegation_row"."truster_id",
3553 "issue_delegation_row"."scope",
3554 "delegate_member_ids_v"
3555 );
3556 "sub_weight_v" := 1 +
3557 "weight_of_added_delegations_for_interest_snapshot"(
3558 "issue_id_p",
3559 "issue_delegation_row"."truster_id",
3560 "delegate_member_ids_v"
3561 );
3562 UPDATE "delegating_interest_snapshot"
3563 SET "weight" = "sub_weight_v"
3564 WHERE "issue_id" = "issue_id_p"
3565 AND "event" = 'periodic'
3566 AND "member_id" = "issue_delegation_row"."truster_id";
3567 "weight_v" := "weight_v" + "sub_weight_v";
3568 END IF;
3569 END LOOP;
3570 RETURN "weight_v";
3571 END;
3572 $$;
3574 COMMENT ON FUNCTION "weight_of_added_delegations_for_interest_snapshot"
3575 ( "issue"."id"%TYPE,
3576 "member"."id"%TYPE,
3577 "delegating_interest_snapshot"."delegate_member_ids"%TYPE )
3578 IS 'Helper function for "create_interest_snapshot" function';
3581 CREATE FUNCTION "create_interest_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_interest_snapshot"
3590 WHERE "issue_id" = "issue_id_p"
3591 AND "event" = 'periodic';
3592 DELETE FROM "delegating_interest_snapshot"
3593 WHERE "issue_id" = "issue_id_p"
3594 AND "event" = 'periodic';
3595 DELETE FROM "direct_supporter_snapshot"
3596 USING "initiative" -- NOTE: due to missing index on issue_id
3597 WHERE "initiative"."issue_id" = "issue_id_p"
3598 AND "direct_supporter_snapshot"."initiative_id" = "initiative"."id"
3599 AND "direct_supporter_snapshot"."event" = 'periodic';
3600 INSERT INTO "direct_interest_snapshot"
3601 ("issue_id", "event", "member_id")
3602 SELECT
3603 "issue_id_p" AS "issue_id",
3604 'periodic' AS "event",
3605 "member"."id" AS "member_id"
3606 FROM "issue"
3607 JOIN "area" ON "issue"."area_id" = "area"."id"
3608 JOIN "interest" ON "issue"."id" = "interest"."issue_id"
3609 JOIN "member" ON "interest"."member_id" = "member"."id"
3610 JOIN "privilege"
3611 ON "privilege"."unit_id" = "area"."unit_id"
3612 AND "privilege"."member_id" = "member"."id"
3613 WHERE "issue"."id" = "issue_id_p"
3614 AND "member"."active" AND "privilege"."voting_right";
3615 FOR "member_id_v" IN
3616 SELECT "member_id" FROM "direct_interest_snapshot"
3617 WHERE "issue_id" = "issue_id_p"
3618 AND "event" = 'periodic'
3619 LOOP
3620 UPDATE "direct_interest_snapshot" SET
3621 "weight" = 1 +
3622 "weight_of_added_delegations_for_interest_snapshot"(
3623 "issue_id_p",
3624 "member_id_v",
3625 '{}'
3626 )
3627 WHERE "issue_id" = "issue_id_p"
3628 AND "event" = 'periodic'
3629 AND "member_id" = "member_id_v";
3630 END LOOP;
3631 INSERT INTO "direct_supporter_snapshot"
3632 ( "issue_id", "initiative_id", "event", "member_id",
3633 "draft_id", "informed", "satisfied" )
3634 SELECT
3635 "issue_id_p" AS "issue_id",
3636 "initiative"."id" AS "initiative_id",
3637 'periodic' AS "event",
3638 "supporter"."member_id" AS "member_id",
3639 "supporter"."draft_id" AS "draft_id",
3640 "supporter"."draft_id" = "current_draft"."id" AS "informed",
3641 NOT EXISTS (
3642 SELECT NULL FROM "critical_opinion"
3643 WHERE "initiative_id" = "initiative"."id"
3644 AND "member_id" = "supporter"."member_id"
3645 ) AS "satisfied"
3646 FROM "initiative"
3647 JOIN "supporter"
3648 ON "supporter"."initiative_id" = "initiative"."id"
3649 JOIN "current_draft"
3650 ON "initiative"."id" = "current_draft"."initiative_id"
3651 JOIN "direct_interest_snapshot"
3652 ON "supporter"."member_id" = "direct_interest_snapshot"."member_id"
3653 AND "initiative"."issue_id" = "direct_interest_snapshot"."issue_id"
3654 AND "event" = 'periodic'
3655 WHERE "initiative"."issue_id" = "issue_id_p";
3656 RETURN;
3657 END;
3658 $$;
3660 COMMENT ON FUNCTION "create_interest_snapshot"
3661 ( "issue"."id"%TYPE )
3662 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.';
3665 CREATE FUNCTION "create_snapshot"
3666 ( "issue_id_p" "issue"."id"%TYPE )
3667 RETURNS VOID
3668 LANGUAGE 'plpgsql' VOLATILE AS $$
3669 DECLARE
3670 "initiative_id_v" "initiative"."id"%TYPE;
3671 "suggestion_id_v" "suggestion"."id"%TYPE;
3672 BEGIN
3673 PERFORM "require_transaction_isolation"();
3674 PERFORM "create_population_snapshot"("issue_id_p");
3675 PERFORM "create_interest_snapshot"("issue_id_p");
3676 UPDATE "issue" SET
3677 "snapshot" = coalesce("phase_finished", now()),
3678 "latest_snapshot_event" = 'periodic',
3679 "population" = (
3680 SELECT coalesce(sum("weight"), 0)
3681 FROM "direct_population_snapshot"
3682 WHERE "issue_id" = "issue_id_p"
3683 AND "event" = 'periodic'
3684 )
3685 WHERE "id" = "issue_id_p";
3686 FOR "initiative_id_v" IN
3687 SELECT "id" FROM "initiative" WHERE "issue_id" = "issue_id_p"
3688 LOOP
3689 UPDATE "initiative" SET
3690 "supporter_count" = (
3691 SELECT coalesce(sum("di"."weight"), 0)
3692 FROM "direct_interest_snapshot" AS "di"
3693 JOIN "direct_supporter_snapshot" AS "ds"
3694 ON "di"."member_id" = "ds"."member_id"
3695 WHERE "di"."issue_id" = "issue_id_p"
3696 AND "di"."event" = 'periodic'
3697 AND "ds"."initiative_id" = "initiative_id_v"
3698 AND "ds"."event" = 'periodic'
3699 ),
3700 "informed_supporter_count" = (
3701 SELECT coalesce(sum("di"."weight"), 0)
3702 FROM "direct_interest_snapshot" AS "di"
3703 JOIN "direct_supporter_snapshot" AS "ds"
3704 ON "di"."member_id" = "ds"."member_id"
3705 WHERE "di"."issue_id" = "issue_id_p"
3706 AND "di"."event" = 'periodic'
3707 AND "ds"."initiative_id" = "initiative_id_v"
3708 AND "ds"."event" = 'periodic'
3709 AND "ds"."informed"
3710 ),
3711 "satisfied_supporter_count" = (
3712 SELECT coalesce(sum("di"."weight"), 0)
3713 FROM "direct_interest_snapshot" AS "di"
3714 JOIN "direct_supporter_snapshot" AS "ds"
3715 ON "di"."member_id" = "ds"."member_id"
3716 WHERE "di"."issue_id" = "issue_id_p"
3717 AND "di"."event" = 'periodic'
3718 AND "ds"."initiative_id" = "initiative_id_v"
3719 AND "ds"."event" = 'periodic'
3720 AND "ds"."satisfied"
3721 ),
3722 "satisfied_informed_supporter_count" = (
3723 SELECT coalesce(sum("di"."weight"), 0)
3724 FROM "direct_interest_snapshot" AS "di"
3725 JOIN "direct_supporter_snapshot" AS "ds"
3726 ON "di"."member_id" = "ds"."member_id"
3727 WHERE "di"."issue_id" = "issue_id_p"
3728 AND "di"."event" = 'periodic'
3729 AND "ds"."initiative_id" = "initiative_id_v"
3730 AND "ds"."event" = 'periodic'
3731 AND "ds"."informed"
3732 AND "ds"."satisfied"
3733 )
3734 WHERE "id" = "initiative_id_v";
3735 FOR "suggestion_id_v" IN
3736 SELECT "id" FROM "suggestion"
3737 WHERE "initiative_id" = "initiative_id_v"
3738 LOOP
3739 UPDATE "suggestion" SET
3740 "minus2_unfulfilled_count" = (
3741 SELECT coalesce(sum("snapshot"."weight"), 0)
3742 FROM "issue" CROSS JOIN "opinion"
3743 JOIN "direct_interest_snapshot" AS "snapshot"
3744 ON "snapshot"."issue_id" = "issue"."id"
3745 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3746 AND "snapshot"."member_id" = "opinion"."member_id"
3747 WHERE "issue"."id" = "issue_id_p"
3748 AND "opinion"."suggestion_id" = "suggestion_id_v"
3749 AND "opinion"."degree" = -2
3750 AND "opinion"."fulfilled" = FALSE
3751 ),
3752 "minus2_fulfilled_count" = (
3753 SELECT coalesce(sum("snapshot"."weight"), 0)
3754 FROM "issue" CROSS JOIN "opinion"
3755 JOIN "direct_interest_snapshot" AS "snapshot"
3756 ON "snapshot"."issue_id" = "issue"."id"
3757 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3758 AND "snapshot"."member_id" = "opinion"."member_id"
3759 WHERE "issue"."id" = "issue_id_p"
3760 AND "opinion"."suggestion_id" = "suggestion_id_v"
3761 AND "opinion"."degree" = -2
3762 AND "opinion"."fulfilled" = TRUE
3763 ),
3764 "minus1_unfulfilled_count" = (
3765 SELECT coalesce(sum("snapshot"."weight"), 0)
3766 FROM "issue" CROSS JOIN "opinion"
3767 JOIN "direct_interest_snapshot" AS "snapshot"
3768 ON "snapshot"."issue_id" = "issue"."id"
3769 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3770 AND "snapshot"."member_id" = "opinion"."member_id"
3771 WHERE "issue"."id" = "issue_id_p"
3772 AND "opinion"."suggestion_id" = "suggestion_id_v"
3773 AND "opinion"."degree" = -1
3774 AND "opinion"."fulfilled" = FALSE
3775 ),
3776 "minus1_fulfilled_count" = (
3777 SELECT coalesce(sum("snapshot"."weight"), 0)
3778 FROM "issue" CROSS JOIN "opinion"
3779 JOIN "direct_interest_snapshot" AS "snapshot"
3780 ON "snapshot"."issue_id" = "issue"."id"
3781 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3782 AND "snapshot"."member_id" = "opinion"."member_id"
3783 WHERE "issue"."id" = "issue_id_p"
3784 AND "opinion"."suggestion_id" = "suggestion_id_v"
3785 AND "opinion"."degree" = -1
3786 AND "opinion"."fulfilled" = TRUE
3787 ),
3788 "plus1_unfulfilled_count" = (
3789 SELECT coalesce(sum("snapshot"."weight"), 0)
3790 FROM "issue" CROSS JOIN "opinion"
3791 JOIN "direct_interest_snapshot" AS "snapshot"
3792 ON "snapshot"."issue_id" = "issue"."id"
3793 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3794 AND "snapshot"."member_id" = "opinion"."member_id"
3795 WHERE "issue"."id" = "issue_id_p"
3796 AND "opinion"."suggestion_id" = "suggestion_id_v"
3797 AND "opinion"."degree" = 1
3798 AND "opinion"."fulfilled" = FALSE
3799 ),
3800 "plus1_fulfilled_count" = (
3801 SELECT coalesce(sum("snapshot"."weight"), 0)
3802 FROM "issue" CROSS JOIN "opinion"
3803 JOIN "direct_interest_snapshot" AS "snapshot"
3804 ON "snapshot"."issue_id" = "issue"."id"
3805 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3806 AND "snapshot"."member_id" = "opinion"."member_id"
3807 WHERE "issue"."id" = "issue_id_p"
3808 AND "opinion"."suggestion_id" = "suggestion_id_v"
3809 AND "opinion"."degree" = 1
3810 AND "opinion"."fulfilled" = TRUE
3811 ),
3812 "plus2_unfulfilled_count" = (
3813 SELECT coalesce(sum("snapshot"."weight"), 0)
3814 FROM "issue" CROSS JOIN "opinion"
3815 JOIN "direct_interest_snapshot" AS "snapshot"
3816 ON "snapshot"."issue_id" = "issue"."id"
3817 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3818 AND "snapshot"."member_id" = "opinion"."member_id"
3819 WHERE "issue"."id" = "issue_id_p"
3820 AND "opinion"."suggestion_id" = "suggestion_id_v"
3821 AND "opinion"."degree" = 2
3822 AND "opinion"."fulfilled" = FALSE
3823 ),
3824 "plus2_fulfilled_count" = (
3825 SELECT coalesce(sum("snapshot"."weight"), 0)
3826 FROM "issue" CROSS JOIN "opinion"
3827 JOIN "direct_interest_snapshot" AS "snapshot"
3828 ON "snapshot"."issue_id" = "issue"."id"
3829 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3830 AND "snapshot"."member_id" = "opinion"."member_id"
3831 WHERE "issue"."id" = "issue_id_p"
3832 AND "opinion"."suggestion_id" = "suggestion_id_v"
3833 AND "opinion"."degree" = 2
3834 AND "opinion"."fulfilled" = TRUE
3835 )
3836 WHERE "suggestion"."id" = "suggestion_id_v";
3837 END LOOP;
3838 END LOOP;
3839 RETURN;
3840 END;
3841 $$;
3843 COMMENT ON FUNCTION "create_snapshot"
3844 ( "issue"."id"%TYPE )
3845 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.';
3848 CREATE FUNCTION "set_snapshot_event"
3849 ( "issue_id_p" "issue"."id"%TYPE,
3850 "event_p" "snapshot_event" )
3851 RETURNS VOID
3852 LANGUAGE 'plpgsql' VOLATILE AS $$
3853 DECLARE
3854 "event_v" "issue"."latest_snapshot_event"%TYPE;
3855 BEGIN
3856 PERFORM "require_transaction_isolation"();
3857 SELECT "latest_snapshot_event" INTO "event_v" FROM "issue"
3858 WHERE "id" = "issue_id_p" FOR UPDATE;
3859 UPDATE "issue" SET "latest_snapshot_event" = "event_p"
3860 WHERE "id" = "issue_id_p";
3861 UPDATE "direct_population_snapshot" SET "event" = "event_p"
3862 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
3863 UPDATE "delegating_population_snapshot" SET "event" = "event_p"
3864 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
3865 UPDATE "direct_interest_snapshot" SET "event" = "event_p"
3866 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
3867 UPDATE "delegating_interest_snapshot" SET "event" = "event_p"
3868 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
3869 UPDATE "direct_supporter_snapshot" SET "event" = "event_p"
3870 FROM "initiative" -- NOTE: due to missing index on issue_id
3871 WHERE "initiative"."issue_id" = "issue_id_p"
3872 AND "direct_supporter_snapshot"."initiative_id" = "initiative"."id"
3873 AND "direct_supporter_snapshot"."event" = "event_v";
3874 RETURN;
3875 END;
3876 $$;
3878 COMMENT ON FUNCTION "set_snapshot_event"
3879 ( "issue"."id"%TYPE,
3880 "snapshot_event" )
3881 IS 'Change "event" attribute of the previous ''periodic'' snapshot';
3885 -----------------------
3886 -- Counting of votes --
3887 -----------------------
3890 CREATE FUNCTION "weight_of_added_vote_delegations"
3891 ( "issue_id_p" "issue"."id"%TYPE,
3892 "member_id_p" "member"."id"%TYPE,
3893 "delegate_member_ids_p" "delegating_voter"."delegate_member_ids"%TYPE )
3894 RETURNS "direct_voter"."weight"%TYPE
3895 LANGUAGE 'plpgsql' VOLATILE AS $$
3896 DECLARE
3897 "issue_delegation_row" "issue_delegation"%ROWTYPE;
3898 "delegate_member_ids_v" "delegating_voter"."delegate_member_ids"%TYPE;
3899 "weight_v" INT4;
3900 "sub_weight_v" INT4;
3901 BEGIN
3902 PERFORM "require_transaction_isolation"();
3903 "weight_v" := 0;
3904 FOR "issue_delegation_row" IN
3905 SELECT * FROM "issue_delegation"
3906 WHERE "trustee_id" = "member_id_p"
3907 AND "issue_id" = "issue_id_p"
3908 LOOP
3909 IF NOT EXISTS (
3910 SELECT NULL FROM "direct_voter"
3911 WHERE "member_id" = "issue_delegation_row"."truster_id"
3912 AND "issue_id" = "issue_id_p"
3913 ) AND NOT EXISTS (
3914 SELECT NULL FROM "delegating_voter"
3915 WHERE "member_id" = "issue_delegation_row"."truster_id"
3916 AND "issue_id" = "issue_id_p"
3917 ) THEN
3918 "delegate_member_ids_v" :=
3919 "member_id_p" || "delegate_member_ids_p";
3920 INSERT INTO "delegating_voter" (
3921 "issue_id",
3922 "member_id",
3923 "scope",
3924 "delegate_member_ids"
3925 ) VALUES (
3926 "issue_id_p",
3927 "issue_delegation_row"."truster_id",
3928 "issue_delegation_row"."scope",
3929 "delegate_member_ids_v"
3930 );
3931 "sub_weight_v" := 1 +
3932 "weight_of_added_vote_delegations"(
3933 "issue_id_p",
3934 "issue_delegation_row"."truster_id",
3935 "delegate_member_ids_v"
3936 );
3937 UPDATE "delegating_voter"
3938 SET "weight" = "sub_weight_v"
3939 WHERE "issue_id" = "issue_id_p"
3940 AND "member_id" = "issue_delegation_row"."truster_id";
3941 "weight_v" := "weight_v" + "sub_weight_v";
3942 END IF;
3943 END LOOP;
3944 RETURN "weight_v";
3945 END;
3946 $$;
3948 COMMENT ON FUNCTION "weight_of_added_vote_delegations"
3949 ( "issue"."id"%TYPE,
3950 "member"."id"%TYPE,
3951 "delegating_voter"."delegate_member_ids"%TYPE )
3952 IS 'Helper function for "add_vote_delegations" function';
3955 CREATE FUNCTION "add_vote_delegations"
3956 ( "issue_id_p" "issue"."id"%TYPE )
3957 RETURNS VOID
3958 LANGUAGE 'plpgsql' VOLATILE AS $$
3959 DECLARE
3960 "member_id_v" "member"."id"%TYPE;
3961 BEGIN
3962 PERFORM "require_transaction_isolation"();
3963 FOR "member_id_v" IN
3964 SELECT "member_id" FROM "direct_voter"
3965 WHERE "issue_id" = "issue_id_p"
3966 LOOP
3967 UPDATE "direct_voter" SET
3968 "weight" = "weight" + "weight_of_added_vote_delegations"(
3969 "issue_id_p",
3970 "member_id_v",
3971 '{}'
3972 )
3973 WHERE "member_id" = "member_id_v"
3974 AND "issue_id" = "issue_id_p";
3975 END LOOP;
3976 RETURN;
3977 END;
3978 $$;
3980 COMMENT ON FUNCTION "add_vote_delegations"
3981 ( "issue_id_p" "issue"."id"%TYPE )
3982 IS 'Helper function for "close_voting" function';
3985 CREATE FUNCTION "close_voting"("issue_id_p" "issue"."id"%TYPE)
3986 RETURNS VOID
3987 LANGUAGE 'plpgsql' VOLATILE AS $$
3988 DECLARE
3989 "area_id_v" "area"."id"%TYPE;
3990 "unit_id_v" "unit"."id"%TYPE;
3991 "member_id_v" "member"."id"%TYPE;
3992 BEGIN
3993 PERFORM "require_transaction_isolation"();
3994 SELECT "area_id" INTO "area_id_v" FROM "issue" WHERE "id" = "issue_id_p";
3995 SELECT "unit_id" INTO "unit_id_v" FROM "area" WHERE "id" = "area_id_v";
3996 -- override protection triggers:
3997 INSERT INTO "temporary_transaction_data" ("key", "value")
3998 VALUES ('override_protection_triggers', TRUE::TEXT);
3999 -- delete timestamp of voting comment:
4000 UPDATE "direct_voter" SET "comment_changed" = NULL
4001 WHERE "issue_id" = "issue_id_p";
4002 -- delete delegating votes (in cases of manual reset of issue state):
4003 DELETE FROM "delegating_voter"
4004 WHERE "issue_id" = "issue_id_p";
4005 -- delete votes from non-privileged voters:
4006 DELETE FROM "direct_voter"
4007 USING (
4008 SELECT
4009 "direct_voter"."member_id"
4010 FROM "direct_voter"
4011 JOIN "member" ON "direct_voter"."member_id" = "member"."id"
4012 LEFT JOIN "privilege"
4013 ON "privilege"."unit_id" = "unit_id_v"
4014 AND "privilege"."member_id" = "direct_voter"."member_id"
4015 WHERE "direct_voter"."issue_id" = "issue_id_p" AND (
4016 "member"."active" = FALSE OR
4017 "privilege"."voting_right" ISNULL OR
4018 "privilege"."voting_right" = FALSE
4019 )
4020 ) AS "subquery"
4021 WHERE "direct_voter"."issue_id" = "issue_id_p"
4022 AND "direct_voter"."member_id" = "subquery"."member_id";
4023 -- consider delegations:
4024 UPDATE "direct_voter" SET "weight" = 1
4025 WHERE "issue_id" = "issue_id_p";
4026 PERFORM "add_vote_delegations"("issue_id_p");
4027 -- mark first preferences:
4028 UPDATE "vote" SET "first_preference" = "subquery"."first_preference"
4029 FROM (
4030 SELECT
4031 "vote"."initiative_id",
4032 "vote"."member_id",
4033 CASE WHEN "vote"."grade" > 0 THEN
4034 CASE WHEN "vote"."grade" = max("agg"."grade") THEN TRUE ELSE FALSE END
4035 ELSE NULL
4036 END AS "first_preference"
4037 FROM "vote"
4038 JOIN "initiative" -- NOTE: due to missing index on issue_id
4039 ON "vote"."issue_id" = "initiative"."issue_id"
4040 JOIN "vote" AS "agg"
4041 ON "initiative"."id" = "agg"."initiative_id"
4042 AND "vote"."member_id" = "agg"."member_id"
4043 GROUP BY "vote"."initiative_id", "vote"."member_id", "vote"."grade"
4044 ) AS "subquery"
4045 WHERE "vote"."issue_id" = "issue_id_p"
4046 AND "vote"."initiative_id" = "subquery"."initiative_id"
4047 AND "vote"."member_id" = "subquery"."member_id";
4048 -- finish overriding protection triggers (avoids garbage):
4049 DELETE FROM "temporary_transaction_data"
4050 WHERE "key" = 'override_protection_triggers';
4051 -- materialize battle_view:
4052 -- NOTE: "closed" column of issue must be set at this point
4053 DELETE FROM "battle" WHERE "issue_id" = "issue_id_p";
4054 INSERT INTO "battle" (
4055 "issue_id",
4056 "winning_initiative_id", "losing_initiative_id",
4057 "count"
4058 ) SELECT
4059 "issue_id",
4060 "winning_initiative_id", "losing_initiative_id",
4061 "count"
4062 FROM "battle_view" WHERE "issue_id" = "issue_id_p";
4063 -- set voter count:
4064 UPDATE "issue" SET
4065 "voter_count" = (
4066 SELECT coalesce(sum("weight"), 0)
4067 FROM "direct_voter" WHERE "issue_id" = "issue_id_p"
4068 )
4069 WHERE "id" = "issue_id_p";
4070 -- copy "positive_votes" and "negative_votes" from "battle" table:
4071 -- NOTE: "first_preference_votes" is set to a default of 0 at this step
4072 UPDATE "initiative" SET
4073 "first_preference_votes" = 0,
4074 "positive_votes" = "battle_win"."count",
4075 "negative_votes" = "battle_lose"."count"
4076 FROM "battle" AS "battle_win", "battle" AS "battle_lose"
4077 WHERE
4078 "battle_win"."issue_id" = "issue_id_p" AND
4079 "battle_win"."winning_initiative_id" = "initiative"."id" AND
4080 "battle_win"."losing_initiative_id" ISNULL AND
4081 "battle_lose"."issue_id" = "issue_id_p" AND
4082 "battle_lose"."losing_initiative_id" = "initiative"."id" AND
4083 "battle_lose"."winning_initiative_id" ISNULL;
4084 -- calculate "first_preference_votes":
4085 -- NOTE: will only set values not equal to zero
4086 UPDATE "initiative" SET "first_preference_votes" = "subquery"."sum"
4087 FROM (
4088 SELECT "vote"."initiative_id", sum("direct_voter"."weight")
4089 FROM "vote" JOIN "direct_voter"
4090 ON "vote"."issue_id" = "direct_voter"."issue_id"
4091 AND "vote"."member_id" = "direct_voter"."member_id"
4092 WHERE "vote"."first_preference"
4093 GROUP BY "vote"."initiative_id"
4094 ) AS "subquery"
4095 WHERE "initiative"."issue_id" = "issue_id_p"
4096 AND "initiative"."admitted"
4097 AND "initiative"."id" = "subquery"."initiative_id";
4098 END;
4099 $$;
4101 COMMENT ON FUNCTION "close_voting"
4102 ( "issue"."id"%TYPE )
4103 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.';
4106 CREATE FUNCTION "defeat_strength"
4107 ( "positive_votes_p" INT4,
4108 "negative_votes_p" INT4,
4109 "defeat_strength_p" "defeat_strength" )
4110 RETURNS INT8
4111 LANGUAGE 'plpgsql' IMMUTABLE AS $$
4112 BEGIN
4113 IF "defeat_strength_p" = 'simple'::"defeat_strength" THEN
4114 IF "positive_votes_p" > "negative_votes_p" THEN
4115 RETURN "positive_votes_p";
4116 ELSE
4117 RETURN 0;
4118 END IF;
4119 ELSE
4120 IF "positive_votes_p" > "negative_votes_p" THEN
4121 RETURN ("positive_votes_p"::INT8 << 31) - "negative_votes_p"::INT8;
4122 ELSIF "positive_votes_p" = "negative_votes_p" THEN
4123 RETURN 0;
4124 ELSE
4125 RETURN -1;
4126 END IF;
4127 END IF;
4128 END;
4129 $$;
4131 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")';
4134 CREATE FUNCTION "secondary_link_strength"
4135 ( "initiative1_ord_p" INT4,
4136 "initiative2_ord_p" INT4,
4137 "tie_breaking_p" "tie_breaking" )
4138 RETURNS INT8
4139 LANGUAGE 'plpgsql' IMMUTABLE AS $$
4140 BEGIN
4141 IF "initiative1_ord_p" = "initiative2_ord_p" THEN
4142 RAISE EXCEPTION 'Identical initiative ids passed to "secondary_link_strength" function (should not happen)';
4143 END IF;
4144 RETURN (
4145 CASE WHEN "tie_breaking_p" = 'simple'::"tie_breaking" THEN
4146 0
4147 ELSE
4148 CASE WHEN "initiative1_ord_p" < "initiative2_ord_p" THEN
4149 1::INT8 << 62
4150 ELSE 0 END
4151 +
4152 CASE WHEN "tie_breaking_p" = 'variant2'::"tie_breaking" THEN
4153 ("initiative2_ord_p"::INT8 << 31) - "initiative1_ord_p"::INT8
4154 ELSE
4155 "initiative2_ord_p"::INT8 - ("initiative1_ord_p"::INT8 << 31)
4156 END
4157 END
4158 );
4159 END;
4160 $$;
4162 COMMENT ON FUNCTION "secondary_link_strength"(INT4, INT4, "tie_breaking") IS 'Calculates a secondary criterion for the defeat strength (tie-breaking of the links)';
4165 CREATE TYPE "link_strength" AS (
4166 "primary" INT8,
4167 "secondary" INT8 );
4169 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'')';
4172 CREATE FUNCTION "find_best_paths"("matrix_d" "link_strength"[][])
4173 RETURNS "link_strength"[][]
4174 LANGUAGE 'plpgsql' IMMUTABLE AS $$
4175 DECLARE
4176 "dimension_v" INT4;
4177 "matrix_p" "link_strength"[][];
4178 "i" INT4;
4179 "j" INT4;
4180 "k" INT4;
4181 BEGIN
4182 "dimension_v" := array_upper("matrix_d", 1);
4183 "matrix_p" := "matrix_d";
4184 "i" := 1;
4185 LOOP
4186 "j" := 1;
4187 LOOP
4188 IF "i" != "j" THEN
4189 "k" := 1;
4190 LOOP
4191 IF "i" != "k" AND "j" != "k" THEN
4192 IF "matrix_p"["j"]["i"] < "matrix_p"["i"]["k"] THEN
4193 IF "matrix_p"["j"]["i"] > "matrix_p"["j"]["k"] THEN
4194 "matrix_p"["j"]["k"] := "matrix_p"["j"]["i"];
4195 END IF;
4196 ELSE
4197 IF "matrix_p"["i"]["k"] > "matrix_p"["j"]["k"] THEN
4198 "matrix_p"["j"]["k"] := "matrix_p"["i"]["k"];
4199 END IF;
4200 END IF;
4201 END IF;
4202 EXIT WHEN "k" = "dimension_v";
4203 "k" := "k" + 1;
4204 END LOOP;
4205 END IF;
4206 EXIT WHEN "j" = "dimension_v";
4207 "j" := "j" + 1;
4208 END LOOP;
4209 EXIT WHEN "i" = "dimension_v";
4210 "i" := "i" + 1;
4211 END LOOP;
4212 RETURN "matrix_p";
4213 END;
4214 $$;
4216 COMMENT ON FUNCTION "find_best_paths"("link_strength"[][]) IS 'Computes the strengths of the best beat-paths from a square matrix';
4219 CREATE FUNCTION "calculate_ranks"("issue_id_p" "issue"."id"%TYPE)
4220 RETURNS VOID
4221 LANGUAGE 'plpgsql' VOLATILE AS $$
4222 DECLARE
4223 "issue_row" "issue"%ROWTYPE;
4224 "policy_row" "policy"%ROWTYPE;
4225 "dimension_v" INT4;
4226 "matrix_a" INT4[][]; -- absolute votes
4227 "matrix_d" "link_strength"[][]; -- defeat strength (direct)
4228 "matrix_p" "link_strength"[][]; -- defeat strength (best path)
4229 "matrix_t" "link_strength"[][]; -- defeat strength (tie-breaking)
4230 "matrix_f" BOOLEAN[][]; -- forbidden link (tie-breaking)
4231 "matrix_b" BOOLEAN[][]; -- final order (who beats who)
4232 "i" INT4;
4233 "j" INT4;
4234 "m" INT4;
4235 "n" INT4;
4236 "battle_row" "battle"%ROWTYPE;
4237 "rank_ary" INT4[];
4238 "rank_v" INT4;
4239 "initiative_id_v" "initiative"."id"%TYPE;
4240 BEGIN
4241 PERFORM "require_transaction_isolation"();
4242 SELECT * INTO "issue_row"
4243 FROM "issue" WHERE "id" = "issue_id_p";
4244 SELECT * INTO "policy_row"
4245 FROM "policy" WHERE "id" = "issue_row"."policy_id";
4246 SELECT count(1) INTO "dimension_v"
4247 FROM "battle_participant" WHERE "issue_id" = "issue_id_p";
4248 -- create "matrix_a" with absolute number of votes in pairwise
4249 -- comparison:
4250 "matrix_a" := array_fill(NULL::INT4, ARRAY["dimension_v", "dimension_v"]);
4251 "i" := 1;
4252 "j" := 2;
4253 FOR "battle_row" IN
4254 SELECT * FROM "battle" WHERE "issue_id" = "issue_id_p"
4255 ORDER BY
4256 "winning_initiative_id" NULLS FIRST,
4257 "losing_initiative_id" NULLS FIRST
4258 LOOP
4259 "matrix_a"["i"]["j"] := "battle_row"."count";
4260 IF "j" = "dimension_v" THEN
4261 "i" := "i" + 1;
4262 "j" := 1;
4263 ELSE
4264 "j" := "j" + 1;
4265 IF "j" = "i" THEN
4266 "j" := "j" + 1;
4267 END IF;
4268 END IF;
4269 END LOOP;
4270 IF "i" != "dimension_v" OR "j" != "dimension_v" + 1 THEN
4271 RAISE EXCEPTION 'Wrong battle count (should not happen)';
4272 END IF;
4273 -- store direct defeat strengths in "matrix_d" using "defeat_strength"
4274 -- and "secondary_link_strength" functions:
4275 "matrix_d" := array_fill(NULL::INT8, ARRAY["dimension_v", "dimension_v"]);
4276 "i" := 1;
4277 LOOP
4278 "j" := 1;
4279 LOOP
4280 IF "i" != "j" THEN
4281 "matrix_d"["i"]["j"] := (
4282 "defeat_strength"(
4283 "matrix_a"["i"]["j"],
4284 "matrix_a"["j"]["i"],
4285 "policy_row"."defeat_strength"
4286 ),
4287 "secondary_link_strength"(
4288 "i",
4289 "j",
4290 "policy_row"."tie_breaking"
4291 )
4292 )::"link_strength";
4293 END IF;
4294 EXIT WHEN "j" = "dimension_v";
4295 "j" := "j" + 1;
4296 END LOOP;
4297 EXIT WHEN "i" = "dimension_v";
4298 "i" := "i" + 1;
4299 END LOOP;
4300 -- find best paths:
4301 "matrix_p" := "find_best_paths"("matrix_d");
4302 -- create partial order:
4303 "matrix_b" := array_fill(NULL::BOOLEAN, ARRAY["dimension_v", "dimension_v"]);
4304 "i" := 1;
4305 LOOP
4306 "j" := "i" + 1;
4307 LOOP
4308 IF "i" != "j" THEN
4309 IF "matrix_p"["i"]["j"] > "matrix_p"["j"]["i"] THEN
4310 "matrix_b"["i"]["j"] := TRUE;
4311 "matrix_b"["j"]["i"] := FALSE;
4312 ELSIF "matrix_p"["i"]["j"] < "matrix_p"["j"]["i"] THEN
4313 "matrix_b"["i"]["j"] := FALSE;
4314 "matrix_b"["j"]["i"] := TRUE;
4315 END IF;
4316 END IF;
4317 EXIT WHEN "j" = "dimension_v";
4318 "j" := "j" + 1;
4319 END LOOP;
4320 EXIT WHEN "i" = "dimension_v" - 1;
4321 "i" := "i" + 1;
4322 END LOOP;
4323 -- tie-breaking by forbidding shared weakest links in beat-paths
4324 -- (unless "tie_breaking" is set to 'simple', in which case tie-breaking
4325 -- is performed later by initiative id):
4326 IF "policy_row"."tie_breaking" != 'simple'::"tie_breaking" THEN
4327 "m" := 1;
4328 LOOP
4329 "n" := "m" + 1;
4330 LOOP
4331 -- only process those candidates m and n, which are tied:
4332 IF "matrix_b"["m"]["n"] ISNULL THEN
4333 -- start with beat-paths prior tie-breaking:
4334 "matrix_t" := "matrix_p";
4335 -- start with all links allowed:
4336 "matrix_f" := array_fill(FALSE, ARRAY["dimension_v", "dimension_v"]);
4337 LOOP
4338 -- determine (and forbid) that link that is the weakest link
4339 -- in both the best path from candidate m to candidate n and
4340 -- from candidate n to candidate m:
4341 "i" := 1;
4342 <<forbid_one_link>>
4343 LOOP
4344 "j" := 1;
4345 LOOP
4346 IF "i" != "j" THEN
4347 IF "matrix_d"["i"]["j"] = "matrix_t"["m"]["n"] THEN
4348 "matrix_f"["i"]["j"] := TRUE;
4349 -- exit for performance reasons,
4350 -- as exactly one link will be found:
4351 EXIT forbid_one_link;
4352 END IF;
4353 END IF;
4354 EXIT WHEN "j" = "dimension_v";
4355 "j" := "j" + 1;
4356 END LOOP;
4357 IF "i" = "dimension_v" THEN
4358 RAISE EXCEPTION 'Did not find shared weakest link for tie-breaking (should not happen)';
4359 END IF;
4360 "i" := "i" + 1;
4361 END LOOP;
4362 -- calculate best beat-paths while ignoring forbidden links:
4363 "i" := 1;
4364 LOOP
4365 "j" := 1;
4366 LOOP
4367 IF "i" != "j" THEN
4368 "matrix_t"["i"]["j"] := CASE
4369 WHEN "matrix_f"["i"]["j"]
4370 THEN ((-1::INT8) << 63, 0)::"link_strength" -- worst possible value
4371 ELSE "matrix_d"["i"]["j"] END;
4372 END IF;
4373 EXIT WHEN "j" = "dimension_v";
4374 "j" := "j" + 1;
4375 END LOOP;
4376 EXIT WHEN "i" = "dimension_v";
4377 "i" := "i" + 1;
4378 END LOOP;
4379 "matrix_t" := "find_best_paths"("matrix_t");
4380 -- extend partial order, if tie-breaking was successful:
4381 IF "matrix_t"["m"]["n"] > "matrix_t"["n"]["m"] THEN
4382 "matrix_b"["m"]["n"] := TRUE;
4383 "matrix_b"["n"]["m"] := FALSE;
4384 EXIT;
4385 ELSIF "matrix_t"["m"]["n"] < "matrix_t"["n"]["m"] THEN
4386 "matrix_b"["m"]["n"] := FALSE;
4387 "matrix_b"["n"]["m"] := TRUE;
4388 EXIT;
4389 END IF;
4390 END LOOP;
4391 END IF;
4392 EXIT WHEN "n" = "dimension_v";
4393 "n" := "n" + 1;
4394 END LOOP;
4395 EXIT WHEN "m" = "dimension_v" - 1;
4396 "m" := "m" + 1;
4397 END LOOP;
4398 END IF;
4399 -- store a unique ranking in "rank_ary":
4400 "rank_ary" := array_fill(NULL::INT4, ARRAY["dimension_v"]);
4401 "rank_v" := 1;
4402 LOOP
4403 "i" := 1;
4404 <<assign_next_rank>>
4405 LOOP
4406 IF "rank_ary"["i"] ISNULL THEN
4407 "j" := 1;
4408 LOOP
4409 IF
4410 "i" != "j" AND
4411 "rank_ary"["j"] ISNULL AND
4412 ( "matrix_b"["j"]["i"] OR
4413 -- tie-breaking by "id"
4414 ( "matrix_b"["j"]["i"] ISNULL AND
4415 "j" < "i" ) )
4416 THEN
4417 -- someone else is better
4418 EXIT;
4419 END IF;
4420 IF "j" = "dimension_v" THEN
4421 -- noone is better
4422 "rank_ary"["i"] := "rank_v";
4423 EXIT assign_next_rank;
4424 END IF;
4425 "j" := "j" + 1;
4426 END LOOP;
4427 END IF;
4428 "i" := "i" + 1;
4429 IF "i" > "dimension_v" THEN
4430 RAISE EXCEPTION 'Schulze ranking does not compute (should not happen)';
4431 END IF;
4432 END LOOP;
4433 EXIT WHEN "rank_v" = "dimension_v";
4434 "rank_v" := "rank_v" + 1;
4435 END LOOP;
4436 -- write preliminary results:
4437 "i" := 2; -- omit status quo with "i" = 1
4438 FOR "initiative_id_v" IN
4439 SELECT "id" FROM "initiative"
4440 WHERE "issue_id" = "issue_id_p" AND "admitted"
4441 ORDER BY "id"
4442 LOOP
4443 UPDATE "initiative" SET
4444 "direct_majority" =
4445 CASE WHEN "policy_row"."direct_majority_strict" THEN
4446 "positive_votes" * "policy_row"."direct_majority_den" >
4447 "policy_row"."direct_majority_num" * ("positive_votes"+"negative_votes")
4448 ELSE
4449 "positive_votes" * "policy_row"."direct_majority_den" >=
4450 "policy_row"."direct_majority_num" * ("positive_votes"+"negative_votes")
4451 END
4452 AND "positive_votes" >= "policy_row"."direct_majority_positive"
4453 AND "issue_row"."voter_count"-"negative_votes" >=
4454 "policy_row"."direct_majority_non_negative",
4455 "indirect_majority" =
4456 CASE WHEN "policy_row"."indirect_majority_strict" THEN
4457 "positive_votes" * "policy_row"."indirect_majority_den" >
4458 "policy_row"."indirect_majority_num" * ("positive_votes"+"negative_votes")
4459 ELSE
4460 "positive_votes" * "policy_row"."indirect_majority_den" >=
4461 "policy_row"."indirect_majority_num" * ("positive_votes"+"negative_votes")
4462 END
4463 AND "positive_votes" >= "policy_row"."indirect_majority_positive"
4464 AND "issue_row"."voter_count"-"negative_votes" >=
4465 "policy_row"."indirect_majority_non_negative",
4466 "schulze_rank" = "rank_ary"["i"],
4467 "better_than_status_quo" = "rank_ary"["i"] < "rank_ary"[1],
4468 "worse_than_status_quo" = "rank_ary"["i"] > "rank_ary"[1],
4469 "multistage_majority" = "rank_ary"["i"] >= "rank_ary"[1],
4470 "reverse_beat_path" = CASE WHEN "policy_row"."defeat_strength" = 'simple'::"defeat_strength"
4471 THEN NULL
4472 ELSE "matrix_p"[1]["i"]."primary" >= 0 END,
4473 "eligible" = FALSE,
4474 "winner" = FALSE,
4475 "rank" = NULL -- NOTE: in cases of manual reset of issue state
4476 WHERE "id" = "initiative_id_v";
4477 "i" := "i" + 1;
4478 END LOOP;
4479 IF "i" != "dimension_v" + 1 THEN
4480 RAISE EXCEPTION 'Wrong winner count (should not happen)';
4481 END IF;
4482 -- take indirect majorities into account:
4483 LOOP
4484 UPDATE "initiative" SET "indirect_majority" = TRUE
4485 FROM (
4486 SELECT "new_initiative"."id" AS "initiative_id"
4487 FROM "initiative" "old_initiative"
4488 JOIN "initiative" "new_initiative"
4489 ON "new_initiative"."issue_id" = "issue_id_p"
4490 AND "new_initiative"."indirect_majority" = FALSE
4491 JOIN "battle" "battle_win"
4492 ON "battle_win"."issue_id" = "issue_id_p"
4493 AND "battle_win"."winning_initiative_id" = "new_initiative"."id"
4494 AND "battle_win"."losing_initiative_id" = "old_initiative"."id"
4495 JOIN "battle" "battle_lose"
4496 ON "battle_lose"."issue_id" = "issue_id_p"
4497 AND "battle_lose"."losing_initiative_id" = "new_initiative"."id"
4498 AND "battle_lose"."winning_initiative_id" = "old_initiative"."id"
4499 WHERE "old_initiative"."issue_id" = "issue_id_p"
4500 AND "old_initiative"."indirect_majority" = TRUE
4501 AND CASE WHEN "policy_row"."indirect_majority_strict" THEN
4502 "battle_win"."count" * "policy_row"."indirect_majority_den" >
4503 "policy_row"."indirect_majority_num" *
4504 ("battle_win"."count"+"battle_lose"."count")
4505 ELSE
4506 "battle_win"."count" * "policy_row"."indirect_majority_den" >=
4507 "policy_row"."indirect_majority_num" *
4508 ("battle_win"."count"+"battle_lose"."count")
4509 END
4510 AND "battle_win"."count" >= "policy_row"."indirect_majority_positive"
4511 AND "issue_row"."voter_count"-"battle_lose"."count" >=
4512 "policy_row"."indirect_majority_non_negative"
4513 ) AS "subquery"
4514 WHERE "id" = "subquery"."initiative_id";
4515 EXIT WHEN NOT FOUND;
4516 END LOOP;
4517 -- set "multistage_majority" for remaining matching initiatives:
4518 UPDATE "initiative" SET "multistage_majority" = TRUE
4519 FROM (
4520 SELECT "losing_initiative"."id" AS "initiative_id"
4521 FROM "initiative" "losing_initiative"
4522 JOIN "initiative" "winning_initiative"
4523 ON "winning_initiative"."issue_id" = "issue_id_p"
4524 AND "winning_initiative"."admitted"
4525 JOIN "battle" "battle_win"
4526 ON "battle_win"."issue_id" = "issue_id_p"
4527 AND "battle_win"."winning_initiative_id" = "winning_initiative"."id"
4528 AND "battle_win"."losing_initiative_id" = "losing_initiative"."id"
4529 JOIN "battle" "battle_lose"
4530 ON "battle_lose"."issue_id" = "issue_id_p"
4531 AND "battle_lose"."losing_initiative_id" = "winning_initiative"."id"
4532 AND "battle_lose"."winning_initiative_id" = "losing_initiative"."id"
4533 WHERE "losing_initiative"."issue_id" = "issue_id_p"
4534 AND "losing_initiative"."admitted"
4535 AND "winning_initiative"."schulze_rank" <
4536 "losing_initiative"."schulze_rank"
4537 AND "battle_win"."count" > "battle_lose"."count"
4538 AND (
4539 "battle_win"."count" > "winning_initiative"."positive_votes" OR
4540 "battle_lose"."count" < "losing_initiative"."negative_votes" )
4541 ) AS "subquery"
4542 WHERE "id" = "subquery"."initiative_id";
4543 -- mark eligible initiatives:
4544 UPDATE "initiative" SET "eligible" = TRUE
4545 WHERE "issue_id" = "issue_id_p"
4546 AND "initiative"."direct_majority"
4547 AND "initiative"."indirect_majority"
4548 AND "initiative"."better_than_status_quo"
4549 AND (
4550 "policy_row"."no_multistage_majority" = FALSE OR
4551 "initiative"."multistage_majority" = FALSE )
4552 AND (
4553 "policy_row"."no_reverse_beat_path" = FALSE OR
4554 coalesce("initiative"."reverse_beat_path", FALSE) = FALSE );
4555 -- mark final winner:
4556 UPDATE "initiative" SET "winner" = TRUE
4557 FROM (
4558 SELECT "id" AS "initiative_id"
4559 FROM "initiative"
4560 WHERE "issue_id" = "issue_id_p" AND "eligible"
4561 ORDER BY
4562 "schulze_rank",
4563 "id"
4564 LIMIT 1
4565 ) AS "subquery"
4566 WHERE "id" = "subquery"."initiative_id";
4567 -- write (final) ranks:
4568 "rank_v" := 1;
4569 FOR "initiative_id_v" IN
4570 SELECT "id"
4571 FROM "initiative"
4572 WHERE "issue_id" = "issue_id_p" AND "admitted"
4573 ORDER BY
4574 "winner" DESC,
4575 "eligible" DESC,
4576 "schulze_rank",
4577 "id"
4578 LOOP
4579 UPDATE "initiative" SET "rank" = "rank_v"
4580 WHERE "id" = "initiative_id_v";
4581 "rank_v" := "rank_v" + 1;
4582 END LOOP;
4583 -- set schulze rank of status quo and mark issue as finished:
4584 UPDATE "issue" SET
4585 "status_quo_schulze_rank" = "rank_ary"[1],
4586 "state" =
4587 CASE WHEN EXISTS (
4588 SELECT NULL FROM "initiative"
4589 WHERE "issue_id" = "issue_id_p" AND "winner"
4590 ) THEN
4591 'finished_with_winner'::"issue_state"
4592 ELSE
4593 'finished_without_winner'::"issue_state"
4594 END,
4595 "closed" = "phase_finished",
4596 "phase_finished" = NULL
4597 WHERE "id" = "issue_id_p";
4598 RETURN;
4599 END;
4600 $$;
4602 COMMENT ON FUNCTION "calculate_ranks"
4603 ( "issue"."id"%TYPE )
4604 IS 'Determine ranking (Votes have to be counted first)';
4608 -----------------------------
4609 -- Automatic state changes --
4610 -----------------------------
4613 CREATE TYPE "check_issue_persistence" AS (
4614 "state" "issue_state",
4615 "phase_finished" BOOLEAN,
4616 "issue_revoked" BOOLEAN,
4617 "snapshot_created" BOOLEAN,
4618 "harmonic_weights_set" BOOLEAN,
4619 "closed_voting" BOOLEAN );
4621 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';
4624 CREATE FUNCTION "check_issue"
4625 ( "issue_id_p" "issue"."id"%TYPE,
4626 "persist" "check_issue_persistence" )
4627 RETURNS "check_issue_persistence"
4628 LANGUAGE 'plpgsql' VOLATILE AS $$
4629 DECLARE
4630 "issue_row" "issue"%ROWTYPE;
4631 "policy_row" "policy"%ROWTYPE;
4632 "initiative_row" "initiative"%ROWTYPE;
4633 "state_v" "issue_state";
4634 BEGIN
4635 PERFORM "require_transaction_isolation"();
4636 IF "persist" ISNULL THEN
4637 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p"
4638 FOR UPDATE;
4639 IF "issue_row"."closed" NOTNULL THEN
4640 RETURN NULL;
4641 END IF;
4642 "persist"."state" := "issue_row"."state";
4643 IF
4644 ( "issue_row"."state" = 'admission' AND now() >=
4645 "issue_row"."created" + "issue_row"."max_admission_time" ) OR
4646 ( "issue_row"."state" = 'discussion' AND now() >=
4647 "issue_row"."accepted" + "issue_row"."discussion_time" ) OR
4648 ( "issue_row"."state" = 'verification' AND now() >=
4649 "issue_row"."half_frozen" + "issue_row"."verification_time" ) OR
4650 ( "issue_row"."state" = 'voting' AND now() >=
4651 "issue_row"."fully_frozen" + "issue_row"."voting_time" )
4652 THEN
4653 "persist"."phase_finished" := TRUE;
4654 ELSE
4655 "persist"."phase_finished" := FALSE;
4656 END IF;
4657 IF
4658 NOT EXISTS (
4659 -- all initiatives are revoked
4660 SELECT NULL FROM "initiative"
4661 WHERE "issue_id" = "issue_id_p" AND "revoked" ISNULL
4662 ) AND (
4663 -- and issue has not been accepted yet
4664 "persist"."state" = 'admission' OR
4665 -- or verification time has elapsed
4666 ( "persist"."state" = 'verification' AND
4667 "persist"."phase_finished" ) OR
4668 -- or no initiatives have been revoked lately
4669 NOT EXISTS (
4670 SELECT NULL FROM "initiative"
4671 WHERE "issue_id" = "issue_id_p"
4672 AND now() < "revoked" + "issue_row"."verification_time"
4673 )
4674 )
4675 THEN
4676 "persist"."issue_revoked" := TRUE;
4677 ELSE
4678 "persist"."issue_revoked" := FALSE;
4679 END IF;
4680 IF "persist"."phase_finished" OR "persist"."issue_revoked" THEN
4681 UPDATE "issue" SET "phase_finished" = now()
4682 WHERE "id" = "issue_row"."id";
4683 RETURN "persist";
4684 ELSIF
4685 "persist"."state" IN ('admission', 'discussion', 'verification')
4686 THEN
4687 RETURN "persist";
4688 ELSE
4689 RETURN NULL;
4690 END IF;
4691 END IF;
4692 IF
4693 "persist"."state" IN ('admission', 'discussion', 'verification') AND
4694 coalesce("persist"."snapshot_created", FALSE) = FALSE
4695 THEN
4696 PERFORM "create_snapshot"("issue_id_p");
4697 "persist"."snapshot_created" = TRUE;
4698 IF "persist"."phase_finished" THEN
4699 IF "persist"."state" = 'admission' THEN
4700 PERFORM "set_snapshot_event"("issue_id_p", 'end_of_admission');
4701 ELSIF "persist"."state" = 'discussion' THEN
4702 PERFORM "set_snapshot_event"("issue_id_p", 'half_freeze');
4703 ELSIF "persist"."state" = 'verification' THEN
4704 PERFORM "set_snapshot_event"("issue_id_p", 'full_freeze');
4705 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p";
4706 SELECT * INTO "policy_row" FROM "policy"
4707 WHERE "id" = "issue_row"."policy_id";
4708 FOR "initiative_row" IN
4709 SELECT * FROM "initiative"
4710 WHERE "issue_id" = "issue_id_p" AND "revoked" ISNULL
4711 FOR UPDATE
4712 LOOP
4713 IF
4714 "initiative_row"."polling" OR (
4715 "initiative_row"."satisfied_supporter_count" > 0 AND
4716 "initiative_row"."satisfied_supporter_count" *
4717 "policy_row"."initiative_quorum_den" >=
4718 "issue_row"."population" * "policy_row"."initiative_quorum_num"
4719 )
4720 THEN
4721 UPDATE "initiative" SET "admitted" = TRUE
4722 WHERE "id" = "initiative_row"."id";
4723 ELSE
4724 UPDATE "initiative" SET "admitted" = FALSE
4725 WHERE "id" = "initiative_row"."id";
4726 END IF;
4727 END LOOP;
4728 END IF;
4729 END IF;
4730 RETURN "persist";
4731 END IF;
4732 IF
4733 "persist"."state" IN ('admission', 'discussion', 'verification') AND
4734 coalesce("persist"."harmonic_weights_set", FALSE) = FALSE
4735 THEN
4736 PERFORM "set_harmonic_initiative_weights"("issue_id_p");
4737 "persist"."harmonic_weights_set" = TRUE;
4738 IF
4739 "persist"."phase_finished" OR
4740 "persist"."issue_revoked" OR
4741 "persist"."state" = 'admission'
4742 THEN
4743 RETURN "persist";
4744 ELSE
4745 RETURN NULL;
4746 END IF;
4747 END IF;
4748 IF "persist"."issue_revoked" THEN
4749 IF "persist"."state" = 'admission' THEN
4750 "state_v" := 'canceled_revoked_before_accepted';
4751 ELSIF "persist"."state" = 'discussion' THEN
4752 "state_v" := 'canceled_after_revocation_during_discussion';
4753 ELSIF "persist"."state" = 'verification' THEN
4754 "state_v" := 'canceled_after_revocation_during_verification';
4755 END IF;
4756 UPDATE "issue" SET
4757 "state" = "state_v",
4758 "closed" = "phase_finished",
4759 "phase_finished" = NULL
4760 WHERE "id" = "issue_id_p";
4761 RETURN NULL;
4762 END IF;
4763 IF "persist"."state" = 'admission' THEN
4764 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p"
4765 FOR UPDATE;
4766 SELECT * INTO "policy_row"
4767 FROM "policy" WHERE "id" = "issue_row"."policy_id";
4768 IF
4769 ( now() >=
4770 "issue_row"."created" + "issue_row"."min_admission_time" ) AND
4771 EXISTS (
4772 SELECT NULL FROM "initiative"
4773 WHERE "issue_id" = "issue_id_p"
4774 AND "supporter_count" > 0
4775 AND "supporter_count" * "policy_row"."issue_quorum_den"
4776 >= "issue_row"."population" * "policy_row"."issue_quorum_num"
4777 )
4778 THEN
4779 UPDATE "issue" SET
4780 "state" = 'discussion',
4781 "accepted" = coalesce("phase_finished", now()),
4782 "phase_finished" = NULL
4783 WHERE "id" = "issue_id_p";
4784 ELSIF "issue_row"."phase_finished" NOTNULL THEN
4785 UPDATE "issue" SET
4786 "state" = 'canceled_issue_not_accepted',
4787 "closed" = "phase_finished",
4788 "phase_finished" = NULL
4789 WHERE "id" = "issue_id_p";
4790 END IF;
4791 RETURN NULL;
4792 END IF;
4793 IF "persist"."phase_finished" THEN
4794 IF "persist"."state" = 'discussion' THEN
4795 UPDATE "issue" SET
4796 "state" = 'verification',
4797 "half_frozen" = "phase_finished",
4798 "phase_finished" = NULL
4799 WHERE "id" = "issue_id_p";
4800 RETURN NULL;
4801 END IF;
4802 IF "persist"."state" = 'verification' THEN
4803 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p"
4804 FOR UPDATE;
4805 SELECT * INTO "policy_row" FROM "policy"
4806 WHERE "id" = "issue_row"."policy_id";
4807 IF EXISTS (
4808 SELECT NULL FROM "initiative"
4809 WHERE "issue_id" = "issue_id_p" AND "admitted" = TRUE
4810 ) THEN
4811 UPDATE "issue" SET
4812 "state" = 'voting',
4813 "fully_frozen" = "phase_finished",
4814 "phase_finished" = NULL
4815 WHERE "id" = "issue_id_p";
4816 ELSE
4817 UPDATE "issue" SET
4818 "state" = 'canceled_no_initiative_admitted',
4819 "fully_frozen" = "phase_finished",
4820 "closed" = "phase_finished",
4821 "phase_finished" = NULL
4822 WHERE "id" = "issue_id_p";
4823 -- NOTE: The following DELETE statements have effect only when
4824 -- issue state has been manipulated
4825 DELETE FROM "direct_voter" WHERE "issue_id" = "issue_id_p";
4826 DELETE FROM "delegating_voter" WHERE "issue_id" = "issue_id_p";
4827 DELETE FROM "battle" WHERE "issue_id" = "issue_id_p";
4828 END IF;
4829 RETURN NULL;
4830 END IF;
4831 IF "persist"."state" = 'voting' THEN
4832 IF coalesce("persist"."closed_voting", FALSE) = FALSE THEN
4833 PERFORM "close_voting"("issue_id_p");
4834 "persist"."closed_voting" = TRUE;
4835 RETURN "persist";
4836 END IF;
4837 PERFORM "calculate_ranks"("issue_id_p");
4838 RETURN NULL;
4839 END IF;
4840 END IF;
4841 RAISE WARNING 'should not happen';
4842 RETURN NULL;
4843 END;
4844 $$;
4846 COMMENT ON FUNCTION "check_issue"
4847 ( "issue"."id"%TYPE,
4848 "check_issue_persistence" )
4849 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")';
4852 CREATE FUNCTION "check_everything"()
4853 RETURNS VOID
4854 LANGUAGE 'plpgsql' VOLATILE AS $$
4855 DECLARE
4856 "issue_id_v" "issue"."id"%TYPE;
4857 "persist_v" "check_issue_persistence";
4858 BEGIN
4859 RAISE WARNING 'Function "check_everything" should only be used for development and debugging purposes';
4860 DELETE FROM "expired_session";
4861 PERFORM "check_activity"();
4862 PERFORM "calculate_member_counts"();
4863 FOR "issue_id_v" IN SELECT "id" FROM "open_issue" LOOP
4864 "persist_v" := NULL;
4865 LOOP
4866 "persist_v" := "check_issue"("issue_id_v", "persist_v");
4867 EXIT WHEN "persist_v" ISNULL;
4868 END LOOP;
4869 END LOOP;
4870 RETURN;
4871 END;
4872 $$;
4874 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.';
4878 ----------------------
4879 -- Deletion of data --
4880 ----------------------
4883 CREATE FUNCTION "clean_issue"("issue_id_p" "issue"."id"%TYPE)
4884 RETURNS VOID
4885 LANGUAGE 'plpgsql' VOLATILE AS $$
4886 BEGIN
4887 IF EXISTS (
4888 SELECT NULL FROM "issue" WHERE "id" = "issue_id_p" AND "cleaned" ISNULL
4889 ) THEN
4890 -- override protection triggers:
4891 INSERT INTO "temporary_transaction_data" ("key", "value")
4892 VALUES ('override_protection_triggers', TRUE::TEXT);
4893 -- clean data:
4894 DELETE FROM "delegating_voter"
4895 WHERE "issue_id" = "issue_id_p";
4896 DELETE FROM "direct_voter"
4897 WHERE "issue_id" = "issue_id_p";
4898 DELETE FROM "delegating_interest_snapshot"
4899 WHERE "issue_id" = "issue_id_p";
4900 DELETE FROM "direct_interest_snapshot"
4901 WHERE "issue_id" = "issue_id_p";
4902 DELETE FROM "delegating_population_snapshot"
4903 WHERE "issue_id" = "issue_id_p";
4904 DELETE FROM "direct_population_snapshot"
4905 WHERE "issue_id" = "issue_id_p";
4906 DELETE FROM "non_voter"
4907 WHERE "issue_id" = "issue_id_p";
4908 DELETE FROM "delegation"
4909 WHERE "issue_id" = "issue_id_p";
4910 DELETE FROM "supporter"
4911 USING "initiative" -- NOTE: due to missing index on issue_id
4912 WHERE "initiative"."issue_id" = "issue_id_p"
4913 AND "supporter"."initiative_id" = "initiative_id";
4914 -- mark issue as cleaned:
4915 UPDATE "issue" SET "cleaned" = now() WHERE "id" = "issue_id_p";
4916 -- finish overriding protection triggers (avoids garbage):
4917 DELETE FROM "temporary_transaction_data"
4918 WHERE "key" = 'override_protection_triggers';
4919 END IF;
4920 RETURN;
4921 END;
4922 $$;
4924 COMMENT ON FUNCTION "clean_issue"("issue"."id"%TYPE) IS 'Delete discussion data and votes belonging to an issue';
4927 CREATE FUNCTION "delete_member"("member_id_p" "member"."id"%TYPE)
4928 RETURNS VOID
4929 LANGUAGE 'plpgsql' VOLATILE AS $$
4930 BEGIN
4931 UPDATE "member" SET
4932 "last_login" = NULL,
4933 "last_delegation_check" = NULL,
4934 "login" = NULL,
4935 "password" = NULL,
4936 "authority" = NULL,
4937 "authority_uid" = NULL,
4938 "authority_login" = NULL,
4939 "locked" = TRUE,
4940 "active" = FALSE,
4941 "notify_email" = NULL,
4942 "notify_email_unconfirmed" = NULL,
4943 "notify_email_secret" = NULL,
4944 "notify_email_secret_expiry" = NULL,
4945 "notify_email_lock_expiry" = NULL,
4946 "login_recovery_expiry" = NULL,
4947 "password_reset_secret" = NULL,
4948 "password_reset_secret_expiry" = NULL,
4949 "organizational_unit" = NULL,
4950 "internal_posts" = NULL,
4951 "realname" = NULL,
4952 "birthday" = NULL,
4953 "address" = NULL,
4954 "email" = NULL,
4955 "xmpp_address" = NULL,
4956 "website" = NULL,
4957 "phone" = NULL,
4958 "mobile_phone" = NULL,
4959 "profession" = NULL,
4960 "external_memberships" = NULL,
4961 "external_posts" = NULL,
4962 "statement" = NULL
4963 WHERE "id" = "member_id_p";
4964 -- "text_search_data" is updated by triggers
4965 DELETE FROM "setting" WHERE "member_id" = "member_id_p";
4966 DELETE FROM "setting_map" WHERE "member_id" = "member_id_p";
4967 DELETE FROM "member_relation_setting" WHERE "member_id" = "member_id_p";
4968 DELETE FROM "member_image" WHERE "member_id" = "member_id_p";
4969 DELETE FROM "contact" WHERE "member_id" = "member_id_p";
4970 DELETE FROM "ignored_member" WHERE "member_id" = "member_id_p";
4971 DELETE FROM "session" WHERE "member_id" = "member_id_p";
4972 DELETE FROM "area_setting" WHERE "member_id" = "member_id_p";
4973 DELETE FROM "issue_setting" WHERE "member_id" = "member_id_p";
4974 DELETE FROM "ignored_initiative" WHERE "member_id" = "member_id_p";
4975 DELETE FROM "initiative_setting" WHERE "member_id" = "member_id_p";
4976 DELETE FROM "suggestion_setting" WHERE "member_id" = "member_id_p";
4977 DELETE FROM "membership" WHERE "member_id" = "member_id_p";
4978 DELETE FROM "delegation" WHERE "truster_id" = "member_id_p";
4979 DELETE FROM "non_voter" WHERE "member_id" = "member_id_p";
4980 DELETE FROM "direct_voter" USING "issue"
4981 WHERE "direct_voter"."issue_id" = "issue"."id"
4982 AND "issue"."closed" ISNULL
4983 AND "member_id" = "member_id_p";
4984 RETURN;
4985 END;
4986 $$;
4988 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)';
4991 CREATE FUNCTION "delete_private_data"()
4992 RETURNS VOID
4993 LANGUAGE 'plpgsql' VOLATILE AS $$
4994 BEGIN
4995 DELETE FROM "temporary_transaction_data";
4996 DELETE FROM "member" WHERE "activated" ISNULL;
4997 UPDATE "member" SET
4998 "invite_code" = NULL,
4999 "invite_code_expiry" = NULL,
5000 "admin_comment" = NULL,
5001 "last_login" = NULL,
5002 "last_delegation_check" = NULL,
5003 "login" = NULL,
5004 "password" = NULL,
5005 "authority" = NULL,
5006 "authority_uid" = NULL,
5007 "authority_login" = NULL,
5008 "lang" = NULL,
5009 "notify_email" = NULL,
5010 "notify_email_unconfirmed" = NULL,
5011 "notify_email_secret" = NULL,
5012 "notify_email_secret_expiry" = NULL,
5013 "notify_email_lock_expiry" = NULL,
5014 "notify_level" = NULL,
5015 "login_recovery_expiry" = NULL,
5016 "password_reset_secret" = NULL,
5017 "password_reset_secret_expiry" = NULL,
5018 "organizational_unit" = NULL,
5019 "internal_posts" = NULL,
5020 "realname" = NULL,
5021 "birthday" = NULL,
5022 "address" = NULL,
5023 "email" = NULL,
5024 "xmpp_address" = NULL,
5025 "website" = NULL,
5026 "phone" = NULL,
5027 "mobile_phone" = NULL,
5028 "profession" = NULL,
5029 "external_memberships" = NULL,
5030 "external_posts" = NULL,
5031 "formatting_engine" = NULL,
5032 "statement" = NULL;
5033 -- "text_search_data" is updated by triggers
5034 DELETE FROM "setting";
5035 DELETE FROM "setting_map";
5036 DELETE FROM "member_relation_setting";
5037 DELETE FROM "member_image";
5038 DELETE FROM "contact";
5039 DELETE FROM "ignored_member";
5040 DELETE FROM "session";
5041 DELETE FROM "area_setting";
5042 DELETE FROM "issue_setting";
5043 DELETE FROM "ignored_initiative";
5044 DELETE FROM "initiative_setting";
5045 DELETE FROM "suggestion_setting";
5046 DELETE FROM "non_voter";
5047 DELETE FROM "direct_voter" USING "issue"
5048 WHERE "direct_voter"."issue_id" = "issue"."id"
5049 AND "issue"."closed" ISNULL;
5050 RETURN;
5051 END;
5052 $$;
5054 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.';
5058 COMMIT;