liquid_feedback_core

view core.sql @ 483:39f37c2a0c85

Fixed typo in "featured_initiative" function
author jbe
date Fri Apr 01 17:15:12 2016 +0200 (2016-04-01)
parents 75130c1d90da
children d264e48cffbf
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 0,
124 "sample_size" INT4 NOT NULL DEFAULT 3,
125 "last_notified_suggestion_id" INT8,
126 "login_recovery_expiry" TIMESTAMPTZ,
127 "password_reset_secret" TEXT UNIQUE,
128 "password_reset_secret_expiry" TIMESTAMPTZ,
129 "name" TEXT UNIQUE,
130 "identification" TEXT UNIQUE,
131 "authentication" TEXT,
132 "organizational_unit" TEXT,
133 "internal_posts" TEXT,
134 "realname" TEXT,
135 "birthday" DATE,
136 "address" TEXT,
137 "email" TEXT,
138 "xmpp_address" TEXT,
139 "website" TEXT,
140 "phone" TEXT,
141 "mobile_phone" TEXT,
142 "profession" TEXT,
143 "external_memberships" TEXT,
144 "external_posts" TEXT,
145 "formatting_engine" TEXT,
146 "statement" TEXT,
147 "text_search_data" TSVECTOR,
148 CONSTRAINT "active_requires_activated_and_last_activity"
149 CHECK ("active" = FALSE OR ("activated" NOTNULL AND "last_activity" NOTNULL)),
150 CONSTRAINT "authority_requires_uid_and_vice_versa"
151 CHECK (("authority" NOTNULL) = ("authority_uid" NOTNULL)),
152 CONSTRAINT "authority_uid_unique_per_authority"
153 UNIQUE ("authority", "authority_uid"),
154 CONSTRAINT "authority_login_requires_authority"
155 CHECK ("authority" NOTNULL OR "authority_login" ISNULL),
156 CONSTRAINT "name_not_null_if_activated"
157 CHECK ("activated" ISNULL OR "name" NOTNULL) );
158 CREATE INDEX "member_authority_login_idx" ON "member" ("authority_login");
159 CREATE INDEX "member_active_idx" ON "member" ("active");
160 CREATE INDEX "member_text_search_data_idx" ON "member" USING gin ("text_search_data");
161 CREATE TRIGGER "update_text_search_data"
162 BEFORE INSERT OR UPDATE ON "member"
163 FOR EACH ROW EXECUTE PROCEDURE
164 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',
165 "name", "identification", "organizational_unit", "internal_posts",
166 "realname", "external_memberships", "external_posts", "statement" );
168 COMMENT ON TABLE "member" IS 'Users of the system, e.g. members of an organization';
170 COMMENT ON COLUMN "member"."created" IS 'Creation of member record and/or invite code';
171 COMMENT ON COLUMN "member"."invite_code" IS 'Optional invite code, to allow a member to initialize his/her account the first time';
172 COMMENT ON COLUMN "member"."invite_code_expiry" IS 'Expiry data/time for "invite_code"';
173 COMMENT ON COLUMN "member"."admin_comment" IS 'Hidden comment for administrative purposes';
174 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';
175 COMMENT ON COLUMN "member"."last_activity" IS 'Date of last activity of member; required to be set for "active" members';
176 COMMENT ON COLUMN "member"."last_login" IS 'Timestamp of last login';
177 COMMENT ON COLUMN "member"."last_delegation_check" IS 'Timestamp of last delegation check (i.e. confirmation of all unit and area delegations)';
178 COMMENT ON COLUMN "member"."login" IS 'Login name';
179 COMMENT ON COLUMN "member"."password" IS 'Password (preferably as crypto-hash, depending on the frontend or access layer)';
180 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)';
181 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)';
182 COMMENT ON COLUMN "member"."authority_login" IS 'Login name for external accounts (field is not unique!)';
183 COMMENT ON COLUMN "member"."locked" IS 'Locked members can not log in.';
184 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".';
185 COMMENT ON COLUMN "member"."admin" IS 'TRUE for admins, which can administrate other users and setup policies and areas';
186 COMMENT ON COLUMN "member"."lang" IS 'Language code of the preferred language of the member';
187 COMMENT ON COLUMN "member"."notify_email" IS 'Email address where notifications of the system are sent to';
188 COMMENT ON COLUMN "member"."notify_email_unconfirmed" IS 'Unconfirmed email address provided by the member to be copied into "notify_email" field after verification';
189 COMMENT ON COLUMN "member"."notify_email_secret" IS 'Secret sent to the address in "notify_email_unconformed"';
190 COMMENT ON COLUMN "member"."notify_email_secret_expiry" IS 'Expiry date/time for "notify_email_secret"';
191 COMMENT ON COLUMN "member"."notify_email_lock_expiry" IS 'Date/time until no further email confirmation mails may be sent (abuse protection)';
192 COMMENT ON COLUMN "member"."disable_notifications" IS 'TRUE if member does not want to receive notifications';
193 COMMENT ON COLUMN "member"."login_recovery_expiry" IS 'Date/time after which another login recovery attempt is allowed';
194 COMMENT ON COLUMN "member"."password_reset_secret" IS 'Secret string sent via e-mail for password recovery';
195 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';
196 COMMENT ON COLUMN "member"."name" IS 'Distinct name of the member, may be NULL if account has not been activated yet';
197 COMMENT ON COLUMN "member"."identification" IS 'Optional identification number or code of the member';
198 COMMENT ON COLUMN "member"."authentication" IS 'Information about how this member was authenticated';
199 COMMENT ON COLUMN "member"."organizational_unit" IS 'Branch or division of the organization the member belongs to';
200 COMMENT ON COLUMN "member"."internal_posts" IS 'Posts (offices) of the member inside the organization';
201 COMMENT ON COLUMN "member"."realname" IS 'Real name of the member, may be identical with "name"';
202 COMMENT ON COLUMN "member"."email" IS 'Published email address of the member; not used for system notifications';
203 COMMENT ON COLUMN "member"."external_memberships" IS 'Other organizations the member is involved in';
204 COMMENT ON COLUMN "member"."external_posts" IS 'Posts (offices) outside the organization';
205 COMMENT ON COLUMN "member"."formatting_engine" IS 'Allows different formatting engines (i.e. wiki formats) to be used for "member"."statement"';
206 COMMENT ON COLUMN "member"."statement" IS 'Freely chosen text of the member for his/her profile';
209 CREATE TABLE "member_history" (
210 "id" SERIAL8 PRIMARY KEY,
211 "member_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
212 "until" TIMESTAMPTZ NOT NULL DEFAULT now(),
213 "active" BOOLEAN NOT NULL,
214 "name" TEXT NOT NULL );
215 CREATE INDEX "member_history_member_id_idx" ON "member_history" ("member_id");
217 COMMENT ON TABLE "member_history" IS 'Filled by trigger; keeps information about old names and active flag of members';
219 COMMENT ON COLUMN "member_history"."id" IS 'Primary key, which can be used to sort entries correctly (and time warp resistant)';
220 COMMENT ON COLUMN "member_history"."until" IS 'Timestamp until the data was valid';
223 CREATE TABLE "rendered_member_statement" (
224 PRIMARY KEY ("member_id", "format"),
225 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
226 "format" TEXT,
227 "content" TEXT NOT NULL );
229 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)';
232 CREATE TABLE "subscription_time" (
233 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
234 "day_of_week" INT2 CONSTRAINT "day_of_week_range" CHECK ("day_of_week" BETWEEN 0 AND 6),
235 "time_of_day" TIME NOT NULL );
236 CREATE UNIQUE INDEX "subscription_time_all_days_of_week_time_of_day_idx" ON "subscription_time" ("time_of_day", "member_id") WHERE ("day_of_week" ISNULL);
237 CREATE UNIQUE INDEX "subscription_time_day_of_week_time_of_day_idx" ON "subscription_time" ("day_of_week", "time_of_day", "member_id");
239 COMMENT ON TABLE "subscription_time" IS 'Selects when a member receives digests on new user content in the system';
242 CREATE TABLE "setting" (
243 PRIMARY KEY ("member_id", "key"),
244 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
245 "key" TEXT NOT NULL,
246 "value" TEXT NOT NULL );
247 CREATE INDEX "setting_key_idx" ON "setting" ("key");
249 COMMENT ON TABLE "setting" IS 'Place to store a frontend specific setting for members as a string';
251 COMMENT ON COLUMN "setting"."key" IS 'Name of the setting, preceded by a frontend specific prefix';
254 CREATE TABLE "setting_map" (
255 PRIMARY KEY ("member_id", "key", "subkey"),
256 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
257 "key" TEXT NOT NULL,
258 "subkey" TEXT NOT NULL,
259 "value" TEXT NOT NULL );
260 CREATE INDEX "setting_map_key_idx" ON "setting_map" ("key");
262 COMMENT ON TABLE "setting_map" IS 'Place to store a frontend specific setting for members as a map of key value pairs';
264 COMMENT ON COLUMN "setting_map"."key" IS 'Name of the setting, preceded by a frontend specific prefix';
265 COMMENT ON COLUMN "setting_map"."subkey" IS 'Key of a map entry';
266 COMMENT ON COLUMN "setting_map"."value" IS 'Value of a map entry';
269 CREATE TABLE "member_relation_setting" (
270 PRIMARY KEY ("member_id", "key", "other_member_id"),
271 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
272 "key" TEXT NOT NULL,
273 "other_member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
274 "value" TEXT NOT NULL );
276 COMMENT ON TABLE "member_relation_setting" IS 'Place to store a frontend specific setting related to relations between members as a string';
279 CREATE TYPE "member_image_type" AS ENUM ('photo', 'avatar');
281 COMMENT ON TYPE "member_image_type" IS 'Types of images for a member';
284 CREATE TABLE "member_image" (
285 PRIMARY KEY ("member_id", "image_type", "scaled"),
286 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
287 "image_type" "member_image_type",
288 "scaled" BOOLEAN,
289 "content_type" TEXT,
290 "data" BYTEA NOT NULL );
292 COMMENT ON TABLE "member_image" IS 'Images of members';
294 COMMENT ON COLUMN "member_image"."scaled" IS 'FALSE for original image, TRUE for scaled version of the image';
297 CREATE TABLE "member_count" (
298 "calculated" TIMESTAMPTZ NOT NULL DEFAULT now(),
299 "total_count" INT4 NOT NULL );
301 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';
303 COMMENT ON COLUMN "member_count"."calculated" IS 'timestamp indicating when the total member count and area member counts were calculated';
304 COMMENT ON COLUMN "member_count"."total_count" IS 'Total count of active(!) members';
307 CREATE TABLE "contact" (
308 PRIMARY KEY ("member_id", "other_member_id"),
309 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
310 "other_member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
311 "public" BOOLEAN NOT NULL DEFAULT FALSE,
312 CONSTRAINT "cant_save_yourself_as_contact"
313 CHECK ("member_id" != "other_member_id") );
314 CREATE INDEX "contact_other_member_id_idx" ON "contact" ("other_member_id");
316 COMMENT ON TABLE "contact" IS 'Contact lists';
318 COMMENT ON COLUMN "contact"."member_id" IS 'Member having the contact list';
319 COMMENT ON COLUMN "contact"."other_member_id" IS 'Member referenced in the contact list';
320 COMMENT ON COLUMN "contact"."public" IS 'TRUE = display contact publically';
323 CREATE TABLE "ignored_member" (
324 PRIMARY KEY ("member_id", "other_member_id"),
325 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
326 "other_member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
327 CREATE INDEX "ignored_member_other_member_id_idx" ON "ignored_member" ("other_member_id");
329 COMMENT ON TABLE "ignored_member" IS 'Possibility to filter other members';
331 COMMENT ON COLUMN "ignored_member"."member_id" IS 'Member ignoring someone';
332 COMMENT ON COLUMN "ignored_member"."other_member_id" IS 'Member being ignored';
335 CREATE TABLE "session" (
336 "ident" TEXT PRIMARY KEY,
337 "additional_secret" TEXT,
338 "expiry" TIMESTAMPTZ NOT NULL DEFAULT now() + '24 hours',
339 "member_id" INT4 REFERENCES "member" ("id") ON DELETE SET NULL,
340 "authority" TEXT,
341 "authority_uid" TEXT,
342 "authority_login" TEXT,
343 "needs_delegation_check" BOOLEAN NOT NULL DEFAULT FALSE,
344 "lang" TEXT );
345 CREATE INDEX "session_expiry_idx" ON "session" ("expiry");
347 COMMENT ON TABLE "session" IS 'Sessions, i.e. for a web-frontend or API layer';
349 COMMENT ON COLUMN "session"."ident" IS 'Secret session identifier (i.e. random string)';
350 COMMENT ON COLUMN "session"."additional_secret" IS 'Additional field to store a secret, which can be used against CSRF attacks';
351 COMMENT ON COLUMN "session"."member_id" IS 'Reference to member, who is logged in';
352 COMMENT ON COLUMN "session"."authority" IS 'Temporary store for "member"."authority" during member account creation';
353 COMMENT ON COLUMN "session"."authority_uid" IS 'Temporary store for "member"."authority_uid" during member account creation';
354 COMMENT ON COLUMN "session"."authority_login" IS 'Temporary store for "member"."authority_login" during member account creation';
355 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';
356 COMMENT ON COLUMN "session"."lang" IS 'Language code of the selected language';
359 CREATE TYPE "defeat_strength" AS ENUM ('simple', 'tuple');
361 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';
364 CREATE TYPE "tie_breaking" AS ENUM ('simple', 'variant1', 'variant2');
366 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';
369 CREATE TABLE "policy" (
370 "id" SERIAL4 PRIMARY KEY,
371 "index" INT4 NOT NULL,
372 "active" BOOLEAN NOT NULL DEFAULT TRUE,
373 "name" TEXT NOT NULL UNIQUE,
374 "description" TEXT NOT NULL DEFAULT '',
375 "polling" BOOLEAN NOT NULL DEFAULT FALSE,
376 "min_admission_time" INTERVAL,
377 "max_admission_time" INTERVAL,
378 "discussion_time" INTERVAL,
379 "verification_time" INTERVAL,
380 "voting_time" INTERVAL,
381 "issue_quorum_num" INT4,
382 "issue_quorum_den" INT4,
383 "initiative_quorum_num" INT4 NOT NULL,
384 "initiative_quorum_den" INT4 NOT NULL,
385 "defeat_strength" "defeat_strength" NOT NULL DEFAULT 'tuple',
386 "tie_breaking" "tie_breaking" NOT NULL DEFAULT 'variant1',
387 "direct_majority_num" INT4 NOT NULL DEFAULT 1,
388 "direct_majority_den" INT4 NOT NULL DEFAULT 2,
389 "direct_majority_strict" BOOLEAN NOT NULL DEFAULT TRUE,
390 "direct_majority_positive" INT4 NOT NULL DEFAULT 0,
391 "direct_majority_non_negative" INT4 NOT NULL DEFAULT 0,
392 "indirect_majority_num" INT4 NOT NULL DEFAULT 1,
393 "indirect_majority_den" INT4 NOT NULL DEFAULT 2,
394 "indirect_majority_strict" BOOLEAN NOT NULL DEFAULT TRUE,
395 "indirect_majority_positive" INT4 NOT NULL DEFAULT 0,
396 "indirect_majority_non_negative" INT4 NOT NULL DEFAULT 0,
397 "no_reverse_beat_path" BOOLEAN NOT NULL DEFAULT FALSE,
398 "no_multistage_majority" BOOLEAN NOT NULL DEFAULT FALSE,
399 CONSTRAINT "timing" CHECK (
400 ( "polling" = FALSE AND
401 "min_admission_time" NOTNULL AND "max_admission_time" NOTNULL AND
402 "min_admission_time" <= "max_admission_time" AND
403 "discussion_time" NOTNULL AND
404 "verification_time" NOTNULL AND
405 "voting_time" NOTNULL ) OR
406 ( "polling" = TRUE AND
407 "min_admission_time" ISNULL AND "max_admission_time" ISNULL AND
408 "discussion_time" NOTNULL AND
409 "verification_time" NOTNULL AND
410 "voting_time" NOTNULL ) OR
411 ( "polling" = TRUE AND
412 "min_admission_time" ISNULL AND "max_admission_time" ISNULL AND
413 "discussion_time" ISNULL AND
414 "verification_time" ISNULL AND
415 "voting_time" ISNULL ) ),
416 CONSTRAINT "issue_quorum_if_and_only_if_not_polling" CHECK (
417 "polling" = ("issue_quorum_num" ISNULL) AND
418 "polling" = ("issue_quorum_den" ISNULL) ),
419 CONSTRAINT "no_reverse_beat_path_requires_tuple_defeat_strength" CHECK (
420 "defeat_strength" = 'tuple'::"defeat_strength" OR
421 "no_reverse_beat_path" = FALSE ) );
422 CREATE INDEX "policy_active_idx" ON "policy" ("active");
424 COMMENT ON TABLE "policy" IS 'Policies for a particular proceeding type (timelimits, quorum)';
426 COMMENT ON COLUMN "policy"."index" IS 'Determines the order in listings';
427 COMMENT ON COLUMN "policy"."active" IS 'TRUE = policy can be used for new issues';
428 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';
429 COMMENT ON COLUMN "policy"."min_admission_time" IS 'Minimum duration of issue state ''admission''; Minimum time an issue stays open';
430 COMMENT ON COLUMN "policy"."max_admission_time" IS 'Maximum duration of issue state ''admission''; Maximum time an issue stays open without being "accepted"';
431 COMMENT ON COLUMN "policy"."discussion_time" IS 'Duration of issue state ''discussion''; Regular time until an issue is "half_frozen" after being "accepted"';
432 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"';
433 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'')';
434 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''';
435 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''';
436 COMMENT ON COLUMN "policy"."initiative_quorum_num" IS 'Numerator of satisfied supporter quorum to be reached by an initiative to be "admitted" for voting';
437 COMMENT ON COLUMN "policy"."initiative_quorum_den" IS 'Denominator of satisfied supporter quorum to be reached by an initiative to be "admitted" for voting';
438 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';
439 COMMENT ON COLUMN "policy"."tie_breaking" IS 'Tie-breaker for the Schulze method; see type "tie_breaking"; ''variant1'' or ''variant2'' are recommended';
440 COMMENT ON COLUMN "policy"."direct_majority_num" IS 'Numerator of fraction of neccessary direct majority for initiatives to be attainable as winner';
441 COMMENT ON COLUMN "policy"."direct_majority_den" IS 'Denominator of fraction of neccessary direct majority for initaitives to be attainable as winner';
442 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.';
443 COMMENT ON COLUMN "policy"."direct_majority_positive" IS 'Absolute number of "positive_votes" neccessary for an initiative to be attainable as winner';
444 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';
445 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';
446 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';
447 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.';
448 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';
449 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';
450 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.';
451 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").';
454 CREATE TABLE "unit" (
455 "id" SERIAL4 PRIMARY KEY,
456 "parent_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
457 "active" BOOLEAN NOT NULL DEFAULT TRUE,
458 "name" TEXT NOT NULL,
459 "description" TEXT NOT NULL DEFAULT '',
460 "external_reference" TEXT,
461 "member_count" INT4,
462 "text_search_data" TSVECTOR );
463 CREATE INDEX "unit_root_idx" ON "unit" ("id") WHERE "parent_id" ISNULL;
464 CREATE INDEX "unit_parent_id_idx" ON "unit" ("parent_id");
465 CREATE INDEX "unit_active_idx" ON "unit" ("active");
466 CREATE INDEX "unit_text_search_data_idx" ON "unit" USING gin ("text_search_data");
467 CREATE TRIGGER "update_text_search_data"
468 BEFORE INSERT OR UPDATE ON "unit"
469 FOR EACH ROW EXECUTE PROCEDURE
470 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',
471 "name", "description" );
473 COMMENT ON TABLE "unit" IS 'Organizational units organized as trees; Delegations are not inherited through these trees.';
475 COMMENT ON COLUMN "unit"."parent_id" IS 'Parent id of tree node; Multiple roots allowed';
476 COMMENT ON COLUMN "unit"."active" IS 'TRUE means new issues can be created in areas of this unit';
477 COMMENT ON COLUMN "unit"."external_reference" IS 'Opaque data field to store an external reference';
478 COMMENT ON COLUMN "unit"."member_count" IS 'Count of members as determined by column "voting_right" in table "privilege"';
481 CREATE TABLE "subscription" (
482 PRIMARY KEY ("member_id", "unit_id"),
483 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
484 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
485 CREATE INDEX "subscription_unit_id_idx" ON "subscription" ("unit_id");
487 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';
490 CREATE TABLE "unit_setting" (
491 PRIMARY KEY ("member_id", "key", "unit_id"),
492 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
493 "key" TEXT NOT NULL,
494 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
495 "value" TEXT NOT NULL );
497 COMMENT ON TABLE "unit_setting" IS 'Place for frontend to store unit specific settings of members as strings';
500 CREATE TABLE "area" (
501 "id" SERIAL4 PRIMARY KEY,
502 "unit_id" INT4 NOT NULL REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
503 "active" BOOLEAN NOT NULL DEFAULT TRUE,
504 "name" TEXT NOT NULL,
505 "description" TEXT NOT NULL DEFAULT '',
506 "external_reference" TEXT,
507 "direct_member_count" INT4,
508 "member_weight" INT4,
509 "text_search_data" TSVECTOR );
510 CREATE INDEX "area_unit_id_idx" ON "area" ("unit_id");
511 CREATE INDEX "area_active_idx" ON "area" ("active");
512 CREATE INDEX "area_text_search_data_idx" ON "area" USING gin ("text_search_data");
513 CREATE TRIGGER "update_text_search_data"
514 BEFORE INSERT OR UPDATE ON "area"
515 FOR EACH ROW EXECUTE PROCEDURE
516 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',
517 "name", "description" );
519 COMMENT ON TABLE "area" IS 'Subject areas';
521 COMMENT ON COLUMN "area"."active" IS 'TRUE means new issues can be created in this area';
522 COMMENT ON COLUMN "area"."external_reference" IS 'Opaque data field to store an external reference';
523 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"';
524 COMMENT ON COLUMN "area"."member_weight" IS 'Same as "direct_member_count" but respecting delegations';
527 CREATE TABLE "ignored_area" (
528 PRIMARY KEY ("member_id", "area_id"),
529 "member_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
530 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
531 CREATE INDEX "ignored_area_area_id_idx" ON "ignored_area" ("area_id");
533 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';
536 CREATE TABLE "area_setting" (
537 PRIMARY KEY ("member_id", "key", "area_id"),
538 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
539 "key" TEXT NOT NULL,
540 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
541 "value" TEXT NOT NULL );
543 COMMENT ON TABLE "area_setting" IS 'Place for frontend to store area specific settings of members as strings';
546 CREATE TABLE "allowed_policy" (
547 PRIMARY KEY ("area_id", "policy_id"),
548 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
549 "policy_id" INT4 NOT NULL REFERENCES "policy" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
550 "default_policy" BOOLEAN NOT NULL DEFAULT FALSE );
551 CREATE UNIQUE INDEX "allowed_policy_one_default_per_area_idx" ON "allowed_policy" ("area_id") WHERE "default_policy";
553 COMMENT ON TABLE "allowed_policy" IS 'Selects which policies can be used in each area';
555 COMMENT ON COLUMN "allowed_policy"."default_policy" IS 'One policy per area can be set as default.';
558 CREATE TYPE "snapshot_event" AS ENUM ('periodic', 'end_of_admission', 'half_freeze', 'full_freeze');
560 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';
563 CREATE TYPE "issue_state" AS ENUM (
564 'admission', 'discussion', 'verification', 'voting',
565 'canceled_by_admin',
566 'canceled_revoked_before_accepted',
567 'canceled_issue_not_accepted',
568 'canceled_after_revocation_during_discussion',
569 'canceled_after_revocation_during_verification',
570 'canceled_no_initiative_admitted',
571 'finished_without_winner', 'finished_with_winner');
573 COMMENT ON TYPE "issue_state" IS 'State of issues';
576 CREATE TABLE "issue" (
577 "id" SERIAL4 PRIMARY KEY,
578 "area_id" INT4 NOT NULL REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
579 "policy_id" INT4 NOT NULL REFERENCES "policy" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
580 "admin_notice" TEXT,
581 "external_reference" TEXT,
582 "state" "issue_state" NOT NULL DEFAULT 'admission',
583 "phase_finished" TIMESTAMPTZ,
584 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
585 "accepted" TIMESTAMPTZ,
586 "half_frozen" TIMESTAMPTZ,
587 "fully_frozen" TIMESTAMPTZ,
588 "closed" TIMESTAMPTZ,
589 "cleaned" TIMESTAMPTZ,
590 "min_admission_time" INTERVAL,
591 "max_admission_time" INTERVAL,
592 "discussion_time" INTERVAL NOT NULL,
593 "verification_time" INTERVAL NOT NULL,
594 "voting_time" INTERVAL NOT NULL,
595 "snapshot" TIMESTAMPTZ,
596 "latest_snapshot_event" "snapshot_event",
597 "population" INT4,
598 "voter_count" INT4,
599 "status_quo_schulze_rank" INT4,
600 CONSTRAINT "admission_time_not_null_unless_instantly_accepted" CHECK (
601 ("min_admission_time" NOTNULL) = ("max_admission_time" NOTNULL) AND
602 ("min_admission_time" NOTNULL OR ("accepted" NOTNULL AND "accepted" = "created")) ),
603 CONSTRAINT "valid_state" CHECK (
604 (
605 ("accepted" ISNULL AND "half_frozen" ISNULL AND "fully_frozen" ISNULL ) OR
606 ("accepted" NOTNULL AND "half_frozen" ISNULL AND "fully_frozen" ISNULL ) OR
607 ("accepted" NOTNULL AND "half_frozen" NOTNULL AND "fully_frozen" ISNULL ) OR
608 ("accepted" NOTNULL AND "half_frozen" NOTNULL AND "fully_frozen" NOTNULL)
609 ) AND (
610 ("state" = 'admission' AND "closed" ISNULL AND "accepted" ISNULL) OR
611 ("state" = 'discussion' AND "closed" ISNULL AND "accepted" NOTNULL AND "half_frozen" ISNULL) OR
612 ("state" = 'verification' AND "closed" ISNULL AND "half_frozen" NOTNULL AND "fully_frozen" ISNULL) OR
613 ("state" = 'voting' AND "closed" ISNULL AND "fully_frozen" NOTNULL) OR
614 ("state" = 'canceled_by_admin' AND "closed" NOTNULL) OR
615 ("state" = 'canceled_revoked_before_accepted' AND "closed" NOTNULL AND "accepted" ISNULL) OR
616 ("state" = 'canceled_issue_not_accepted' AND "closed" NOTNULL AND "accepted" ISNULL) OR
617 ("state" = 'canceled_after_revocation_during_discussion' AND "closed" NOTNULL AND "half_frozen" ISNULL) OR
618 ("state" = 'canceled_after_revocation_during_verification' AND "closed" NOTNULL AND "fully_frozen" ISNULL) OR
619 ("state" = 'canceled_no_initiative_admitted' AND "closed" NOTNULL AND "fully_frozen" NOTNULL AND "closed" = "fully_frozen") OR
620 ("state" = 'finished_without_winner' AND "closed" NOTNULL AND "fully_frozen" NOTNULL AND "closed" != "fully_frozen") OR
621 ("state" = 'finished_with_winner' AND "closed" NOTNULL AND "fully_frozen" NOTNULL AND "closed" != "fully_frozen")
622 )),
623 CONSTRAINT "phase_finished_only_when_not_closed" CHECK (
624 "phase_finished" ISNULL OR "closed" ISNULL ),
625 CONSTRAINT "state_change_order" CHECK (
626 "created" <= "accepted" AND
627 "accepted" <= "half_frozen" AND
628 "half_frozen" <= "fully_frozen" AND
629 "fully_frozen" <= "closed" ),
630 CONSTRAINT "only_closed_issues_may_be_cleaned" CHECK (
631 "cleaned" ISNULL OR "closed" NOTNULL ),
632 CONSTRAINT "last_snapshot_on_full_freeze"
633 CHECK ("snapshot" = "fully_frozen"), -- NOTE: snapshot can be set, while frozen is NULL yet
634 CONSTRAINT "freeze_requires_snapshot"
635 CHECK ("fully_frozen" ISNULL OR "snapshot" NOTNULL),
636 CONSTRAINT "set_both_or_none_of_snapshot_and_latest_snapshot_event"
637 CHECK (("snapshot" NOTNULL) = ("latest_snapshot_event" NOTNULL)) );
638 CREATE INDEX "issue_area_id_idx" ON "issue" ("area_id");
639 CREATE INDEX "issue_policy_id_idx" ON "issue" ("policy_id");
640 CREATE INDEX "issue_created_idx" ON "issue" ("created");
641 CREATE INDEX "issue_accepted_idx" ON "issue" ("accepted");
642 CREATE INDEX "issue_half_frozen_idx" ON "issue" ("half_frozen");
643 CREATE INDEX "issue_fully_frozen_idx" ON "issue" ("fully_frozen");
644 CREATE INDEX "issue_closed_idx" ON "issue" ("closed");
645 CREATE INDEX "issue_created_idx_open" ON "issue" ("created") WHERE "closed" ISNULL;
646 CREATE INDEX "issue_closed_idx_canceled" ON "issue" ("closed") WHERE "fully_frozen" ISNULL;
648 COMMENT ON TABLE "issue" IS 'Groups of initiatives';
650 COMMENT ON COLUMN "issue"."admin_notice" IS 'Public notice by admin to explain manual interventions, or to announce corrections';
651 COMMENT ON COLUMN "issue"."external_reference" IS 'Opaque data field to store an external reference';
652 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';
653 COMMENT ON COLUMN "issue"."accepted" IS 'Point in time, when one initiative of issue reached the "issue_quorum"';
654 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.';
655 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.';
656 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.';
657 COMMENT ON COLUMN "issue"."cleaned" IS 'Point in time, when discussion data and votes had been deleted';
658 COMMENT ON COLUMN "issue"."min_admission_time" IS 'Copied from "policy" table at creation of issue';
659 COMMENT ON COLUMN "issue"."max_admission_time" IS 'Copied from "policy" table at creation of issue';
660 COMMENT ON COLUMN "issue"."discussion_time" IS 'Copied from "policy" table at creation of issue';
661 COMMENT ON COLUMN "issue"."verification_time" IS 'Copied from "policy" table at creation of issue';
662 COMMENT ON COLUMN "issue"."voting_time" IS 'Copied from "policy" table at creation of issue';
663 COMMENT ON COLUMN "issue"."snapshot" IS 'Point in time, when snapshot tables have been updated and "population" and *_count values were precalculated';
664 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';
665 COMMENT ON COLUMN "issue"."population" IS 'Sum of "weight" column in table "direct_population_snapshot"';
666 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';
667 COMMENT ON COLUMN "issue"."status_quo_schulze_rank" IS 'Schulze rank of status quo, as calculated by "calculate_ranks" function';
670 CREATE TABLE "issue_order_in_admission_state" (
671 "id" INT8 PRIMARY KEY, --REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
672 "order_in_area" INT4,
673 "order_in_unit" INT4 );
675 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"';
677 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';
678 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';
679 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';
682 CREATE TABLE "issue_setting" (
683 PRIMARY KEY ("member_id", "key", "issue_id"),
684 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
685 "key" TEXT NOT NULL,
686 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
687 "value" TEXT NOT NULL );
689 COMMENT ON TABLE "issue_setting" IS 'Place for frontend to store issue specific settings of members as strings';
692 CREATE TABLE "initiative" (
693 UNIQUE ("issue_id", "id"), -- index needed for foreign-key on table "vote"
694 "issue_id" INT4 NOT NULL REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
695 "id" SERIAL4 PRIMARY KEY,
696 "name" TEXT NOT NULL,
697 "polling" BOOLEAN NOT NULL DEFAULT FALSE,
698 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
699 "revoked" TIMESTAMPTZ,
700 "revoked_by_member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
701 "suggested_initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
702 "external_reference" TEXT,
703 "admitted" BOOLEAN,
704 "supporter_count" INT4,
705 "informed_supporter_count" INT4,
706 "satisfied_supporter_count" INT4,
707 "satisfied_informed_supporter_count" INT4,
708 "harmonic_weight" NUMERIC(12, 3),
709 "final_suggestion_order_calculated" BOOLEAN NOT NULL DEFAULT FALSE,
710 "first_preference_votes" INT4,
711 "positive_votes" INT4,
712 "negative_votes" INT4,
713 "direct_majority" BOOLEAN,
714 "indirect_majority" BOOLEAN,
715 "schulze_rank" INT4,
716 "better_than_status_quo" BOOLEAN,
717 "worse_than_status_quo" BOOLEAN,
718 "reverse_beat_path" BOOLEAN,
719 "multistage_majority" BOOLEAN,
720 "eligible" BOOLEAN,
721 "winner" BOOLEAN,
722 "rank" INT4,
723 "text_search_data" TSVECTOR,
724 CONSTRAINT "all_or_none_of_revoked_and_revoked_by_member_id_must_be_null"
725 CHECK (("revoked" NOTNULL) = ("revoked_by_member_id" NOTNULL)),
726 CONSTRAINT "non_revoked_initiatives_cant_suggest_other"
727 CHECK ("revoked" NOTNULL OR "suggested_initiative_id" ISNULL),
728 CONSTRAINT "revoked_initiatives_cant_be_admitted"
729 CHECK ("revoked" ISNULL OR "admitted" ISNULL),
730 CONSTRAINT "non_admitted_initiatives_cant_contain_voting_results" CHECK (
731 ( "admitted" NOTNULL AND "admitted" = TRUE ) OR
732 ( "first_preference_votes" ISNULL AND
733 "positive_votes" ISNULL AND "negative_votes" ISNULL AND
734 "direct_majority" ISNULL AND "indirect_majority" ISNULL AND
735 "schulze_rank" ISNULL AND
736 "better_than_status_quo" ISNULL AND "worse_than_status_quo" ISNULL AND
737 "reverse_beat_path" ISNULL AND "multistage_majority" ISNULL AND
738 "eligible" ISNULL AND "winner" ISNULL AND "rank" ISNULL ) ),
739 CONSTRAINT "better_excludes_worse" CHECK (NOT ("better_than_status_quo" AND "worse_than_status_quo")),
740 CONSTRAINT "minimum_requirement_to_be_eligible" CHECK (
741 "eligible" = FALSE OR
742 ("direct_majority" AND "indirect_majority" AND "better_than_status_quo") ),
743 CONSTRAINT "winner_must_be_eligible" CHECK ("winner"=FALSE OR "eligible"=TRUE),
744 CONSTRAINT "winner_must_have_first_rank" CHECK ("winner"=FALSE OR "rank"=1),
745 CONSTRAINT "eligible_at_first_rank_is_winner" CHECK ("eligible"=FALSE OR "rank"!=1 OR "winner"=TRUE),
746 CONSTRAINT "unique_rank_per_issue" UNIQUE ("issue_id", "rank") );
747 CREATE INDEX "initiative_created_idx" ON "initiative" ("created");
748 CREATE INDEX "initiative_revoked_idx" ON "initiative" ("revoked");
749 CREATE INDEX "initiative_text_search_data_idx" ON "initiative" USING gin ("text_search_data");
750 CREATE TRIGGER "update_text_search_data"
751 BEFORE INSERT OR UPDATE ON "initiative"
752 FOR EACH ROW EXECUTE PROCEDURE
753 tsvector_update_trigger('text_search_data', 'pg_catalog.simple', "name");
755 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.';
757 COMMENT ON COLUMN "initiative"."polling" IS 'Initiative does not need to pass the initiative quorum (see "policy"."polling")';
758 COMMENT ON COLUMN "initiative"."revoked" IS 'Point in time, when one initiator decided to revoke the initiative';
759 COMMENT ON COLUMN "initiative"."revoked_by_member_id" IS 'Member, who decided to revoke the initiative';
760 COMMENT ON COLUMN "initiative"."external_reference" IS 'Opaque data field to store an external reference';
761 COMMENT ON COLUMN "initiative"."admitted" IS 'TRUE, if initiative reaches the "initiative_quorum" when freezing the issue';
762 COMMENT ON COLUMN "initiative"."supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';
763 COMMENT ON COLUMN "initiative"."informed_supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';
764 COMMENT ON COLUMN "initiative"."satisfied_supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';
765 COMMENT ON COLUMN "initiative"."satisfied_informed_supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';
766 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';
767 COMMENT ON COLUMN "initiative"."final_suggestion_order_calculated" IS 'Set to TRUE, when "proportional_order" of suggestions has been calculated the last time';
768 COMMENT ON COLUMN "initiative"."first_preference_votes" IS 'Number of direct and delegating voters who ranked this initiative as their first choice';
769 COMMENT ON COLUMN "initiative"."positive_votes" IS 'Number of direct and delegating voters who ranked this initiative better than the status quo';
770 COMMENT ON COLUMN "initiative"."negative_votes" IS 'Number of direct and delegating voters who ranked this initiative worse than the status quo';
771 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"';
772 COMMENT ON COLUMN "initiative"."indirect_majority" IS 'Same as "direct_majority", but also considering indirect beat paths';
773 COMMENT ON COLUMN "initiative"."schulze_rank" IS 'Schulze-Ranking';
774 COMMENT ON COLUMN "initiative"."better_than_status_quo" IS 'TRUE, if initiative has a schulze-ranking better than the status quo';
775 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)';
776 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''';
777 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';
778 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"';
779 COMMENT ON COLUMN "initiative"."winner" IS 'Winner is the "eligible" initiative with best "schulze_rank"';
780 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';
783 CREATE TABLE "battle" (
784 "issue_id" INT4 NOT NULL,
785 "winning_initiative_id" INT4,
786 FOREIGN KEY ("issue_id", "winning_initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
787 "losing_initiative_id" INT4,
788 FOREIGN KEY ("issue_id", "losing_initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
789 "count" INT4 NOT NULL,
790 CONSTRAINT "initiative_ids_not_equal" CHECK (
791 "winning_initiative_id" != "losing_initiative_id" OR
792 ( ("winning_initiative_id" NOTNULL AND "losing_initiative_id" ISNULL) OR
793 ("winning_initiative_id" ISNULL AND "losing_initiative_id" NOTNULL) ) ) );
794 CREATE UNIQUE INDEX "battle_winning_losing_idx" ON "battle" ("issue_id", "winning_initiative_id", "losing_initiative_id");
795 CREATE UNIQUE INDEX "battle_winning_null_idx" ON "battle" ("issue_id", "winning_initiative_id") WHERE "losing_initiative_id" ISNULL;
796 CREATE UNIQUE INDEX "battle_null_losing_idx" ON "battle" ("issue_id", "losing_initiative_id") WHERE "winning_initiative_id" ISNULL;
798 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';
801 CREATE TABLE "ignored_initiative" (
802 PRIMARY KEY ("member_id", "initiative_id"),
803 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
804 "initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
805 CREATE INDEX "ignored_initiative_initiative_id_idx" ON "ignored_initiative" ("initiative_id");
807 COMMENT ON TABLE "ignored_initiative" IS 'Possibility to filter initiatives';
810 CREATE TABLE "initiative_setting" (
811 PRIMARY KEY ("member_id", "key", "initiative_id"),
812 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
813 "key" TEXT NOT NULL,
814 "initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
815 "value" TEXT NOT NULL );
817 COMMENT ON TABLE "initiative_setting" IS 'Place for frontend to store initiative specific settings of members as strings';
820 CREATE TABLE "draft" (
821 UNIQUE ("initiative_id", "id"), -- index needed for foreign-key on table "supporter"
822 "initiative_id" INT4 NOT NULL REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
823 "id" SERIAL8 PRIMARY KEY,
824 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
825 "author_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
826 "formatting_engine" TEXT,
827 "content" TEXT NOT NULL,
828 "external_reference" TEXT,
829 "text_search_data" TSVECTOR );
830 CREATE INDEX "draft_created_idx" ON "draft" ("created");
831 CREATE INDEX "draft_author_id_created_idx" ON "draft" ("author_id", "created");
832 CREATE INDEX "draft_text_search_data_idx" ON "draft" USING gin ("text_search_data");
833 CREATE TRIGGER "update_text_search_data"
834 BEFORE INSERT OR UPDATE ON "draft"
835 FOR EACH ROW EXECUTE PROCEDURE
836 tsvector_update_trigger('text_search_data', 'pg_catalog.simple', "content");
838 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.';
840 COMMENT ON COLUMN "draft"."formatting_engine" IS 'Allows different formatting engines (i.e. wiki formats) to be used';
841 COMMENT ON COLUMN "draft"."content" IS 'Text of the draft in a format depending on the field "formatting_engine"';
842 COMMENT ON COLUMN "draft"."external_reference" IS 'Opaque data field to store an external reference';
845 CREATE TABLE "rendered_draft" (
846 PRIMARY KEY ("draft_id", "format"),
847 "draft_id" INT8 REFERENCES "draft" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
848 "format" TEXT,
849 "content" TEXT NOT NULL );
851 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)';
854 CREATE TABLE "suggestion" (
855 UNIQUE ("initiative_id", "id"), -- index needed for foreign-key on table "opinion"
856 "initiative_id" INT4 NOT NULL REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
857 "id" SERIAL8 PRIMARY KEY,
858 "draft_id" INT8 NOT NULL,
859 FOREIGN KEY ("initiative_id", "draft_id") REFERENCES "draft" ("initiative_id", "id") ON DELETE NO ACTION ON UPDATE CASCADE,
860 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
861 "author_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
862 "name" TEXT NOT NULL,
863 "formatting_engine" TEXT,
864 "content" TEXT NOT NULL DEFAULT '',
865 "external_reference" TEXT,
866 "text_search_data" TSVECTOR,
867 "minus2_unfulfilled_count" INT4,
868 "minus2_fulfilled_count" INT4,
869 "minus1_unfulfilled_count" INT4,
870 "minus1_fulfilled_count" INT4,
871 "plus1_unfulfilled_count" INT4,
872 "plus1_fulfilled_count" INT4,
873 "plus2_unfulfilled_count" INT4,
874 "plus2_fulfilled_count" INT4,
875 "proportional_order" INT4 );
876 CREATE INDEX "suggestion_created_idx" ON "suggestion" ("created");
877 CREATE INDEX "suggestion_author_id_created_idx" ON "suggestion" ("author_id", "created");
878 CREATE INDEX "suggestion_text_search_data_idx" ON "suggestion" USING gin ("text_search_data");
879 CREATE TRIGGER "update_text_search_data"
880 BEFORE INSERT OR UPDATE ON "suggestion"
881 FOR EACH ROW EXECUTE PROCEDURE
882 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',
883 "name", "content");
885 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';
887 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")';
888 COMMENT ON COLUMN "suggestion"."external_reference" IS 'Opaque data field to store an external reference';
889 COMMENT ON COLUMN "suggestion"."minus2_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
890 COMMENT ON COLUMN "suggestion"."minus2_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
891 COMMENT ON COLUMN "suggestion"."minus1_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
892 COMMENT ON COLUMN "suggestion"."minus1_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
893 COMMENT ON COLUMN "suggestion"."plus1_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
894 COMMENT ON COLUMN "suggestion"."plus1_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
895 COMMENT ON COLUMN "suggestion"."plus2_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
896 COMMENT ON COLUMN "suggestion"."plus2_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
897 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"';
900 CREATE TABLE "rendered_suggestion" (
901 PRIMARY KEY ("suggestion_id", "format"),
902 "suggestion_id" INT8 REFERENCES "suggestion" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
903 "format" TEXT,
904 "content" TEXT NOT NULL );
906 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)';
909 CREATE TABLE "suggestion_setting" (
910 PRIMARY KEY ("member_id", "key", "suggestion_id"),
911 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
912 "key" TEXT NOT NULL,
913 "suggestion_id" INT8 REFERENCES "suggestion" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
914 "value" TEXT NOT NULL );
916 COMMENT ON TABLE "suggestion_setting" IS 'Place for frontend to store suggestion specific settings of members as strings';
919 CREATE TABLE "privilege" (
920 PRIMARY KEY ("unit_id", "member_id"),
921 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
922 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
923 "admin_manager" BOOLEAN NOT NULL DEFAULT FALSE,
924 "unit_manager" BOOLEAN NOT NULL DEFAULT FALSE,
925 "area_manager" BOOLEAN NOT NULL DEFAULT FALSE,
926 "member_manager" BOOLEAN NOT NULL DEFAULT FALSE,
927 "initiative_right" BOOLEAN NOT NULL DEFAULT TRUE,
928 "voting_right" BOOLEAN NOT NULL DEFAULT TRUE,
929 "polling_right" BOOLEAN NOT NULL DEFAULT FALSE );
931 COMMENT ON TABLE "privilege" IS 'Members rights related to each unit';
933 COMMENT ON COLUMN "privilege"."admin_manager" IS 'Grant/revoke any privileges to/from other members';
934 COMMENT ON COLUMN "privilege"."unit_manager" IS 'Create and disable sub units';
935 COMMENT ON COLUMN "privilege"."area_manager" IS 'Create and disable areas and set area parameters';
936 COMMENT ON COLUMN "privilege"."member_manager" IS 'Adding/removing members from the unit, granting or revoking "initiative_right" and "voting_right"';
937 COMMENT ON COLUMN "privilege"."initiative_right" IS 'Right to create an initiative';
938 COMMENT ON COLUMN "privilege"."voting_right" IS 'Right to support initiatives, create and rate suggestions, and to vote';
939 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';
942 CREATE TABLE "membership" (
943 PRIMARY KEY ("area_id", "member_id"),
944 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
945 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
946 CREATE INDEX "membership_member_id_idx" ON "membership" ("member_id");
948 COMMENT ON TABLE "membership" IS 'Interest of members in topic areas';
951 CREATE TABLE "interest" (
952 PRIMARY KEY ("issue_id", "member_id"),
953 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
954 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
955 CREATE INDEX "interest_member_id_idx" ON "interest" ("member_id");
957 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.';
960 CREATE TABLE "initiator" (
961 PRIMARY KEY ("initiative_id", "member_id"),
962 "initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
963 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
964 "accepted" BOOLEAN );
965 CREATE INDEX "initiator_member_id_idx" ON "initiator" ("member_id");
967 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.';
969 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.';
972 CREATE TABLE "supporter" (
973 "issue_id" INT4 NOT NULL,
974 PRIMARY KEY ("initiative_id", "member_id"),
975 "initiative_id" INT4,
976 "member_id" INT4,
977 "draft_id" INT8 NOT NULL,
978 FOREIGN KEY ("issue_id", "member_id") REFERENCES "interest" ("issue_id", "member_id") ON DELETE CASCADE ON UPDATE CASCADE,
979 FOREIGN KEY ("initiative_id", "draft_id") REFERENCES "draft" ("initiative_id", "id") ON DELETE NO ACTION ON UPDATE CASCADE );
980 CREATE INDEX "supporter_member_id_idx" ON "supporter" ("member_id");
982 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.';
984 COMMENT ON COLUMN "supporter"."issue_id" IS 'WARNING: No index: For selections use column "initiative_id" and join via table "initiative" where neccessary';
985 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")';
988 CREATE TABLE "opinion" (
989 "initiative_id" INT4 NOT NULL,
990 PRIMARY KEY ("suggestion_id", "member_id"),
991 "suggestion_id" INT8,
992 "member_id" INT4,
993 "degree" INT2 NOT NULL CHECK ("degree" >= -2 AND "degree" <= 2 AND "degree" != 0),
994 "fulfilled" BOOLEAN NOT NULL DEFAULT FALSE,
995 FOREIGN KEY ("initiative_id", "suggestion_id") REFERENCES "suggestion" ("initiative_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
996 FOREIGN KEY ("initiative_id", "member_id") REFERENCES "supporter" ("initiative_id", "member_id") ON DELETE CASCADE ON UPDATE CASCADE );
997 CREATE INDEX "opinion_member_id_initiative_id_idx" ON "opinion" ("member_id", "initiative_id");
999 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.';
1001 COMMENT ON COLUMN "opinion"."degree" IS '2 = fulfillment required for support; 1 = fulfillment desired; -1 = fulfillment unwanted; -2 = fulfillment cancels support';
1004 CREATE TYPE "delegation_scope" AS ENUM ('unit', 'area', 'issue');
1006 COMMENT ON TYPE "delegation_scope" IS 'Scope for delegations: ''unit'', ''area'', or ''issue'' (order is relevant)';
1009 CREATE TABLE "delegation" (
1010 "id" SERIAL8 PRIMARY KEY,
1011 "truster_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1012 "trustee_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1013 "scope" "delegation_scope" NOT NULL,
1014 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1015 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1016 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1017 CONSTRAINT "cant_delegate_to_yourself" CHECK ("truster_id" != "trustee_id"),
1018 CONSTRAINT "no_unit_delegation_to_null"
1019 CHECK ("trustee_id" NOTNULL OR "scope" != 'unit'),
1020 CONSTRAINT "area_id_and_issue_id_set_according_to_scope" CHECK (
1021 ("scope" = 'unit' AND "unit_id" NOTNULL AND "area_id" ISNULL AND "issue_id" ISNULL ) OR
1022 ("scope" = 'area' AND "unit_id" ISNULL AND "area_id" NOTNULL AND "issue_id" ISNULL ) OR
1023 ("scope" = 'issue' AND "unit_id" ISNULL AND "area_id" ISNULL AND "issue_id" NOTNULL) ),
1024 UNIQUE ("unit_id", "truster_id"),
1025 UNIQUE ("area_id", "truster_id"),
1026 UNIQUE ("issue_id", "truster_id") );
1027 CREATE INDEX "delegation_truster_id_idx" ON "delegation" ("truster_id");
1028 CREATE INDEX "delegation_trustee_id_idx" ON "delegation" ("trustee_id");
1030 COMMENT ON TABLE "delegation" IS 'Delegation of vote-weight to other members';
1032 COMMENT ON COLUMN "delegation"."unit_id" IS 'Reference to unit, if delegation is unit-wide, otherwise NULL';
1033 COMMENT ON COLUMN "delegation"."area_id" IS 'Reference to area, if delegation is area-wide, otherwise NULL';
1034 COMMENT ON COLUMN "delegation"."issue_id" IS 'Reference to issue, if delegation is issue-wide, otherwise NULL';
1037 CREATE TABLE "direct_population_snapshot" (
1038 PRIMARY KEY ("issue_id", "event", "member_id"),
1039 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1040 "event" "snapshot_event",
1041 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1042 "weight" INT4 );
1043 CREATE INDEX "direct_population_snapshot_member_id_idx" ON "direct_population_snapshot" ("member_id");
1045 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';
1047 COMMENT ON COLUMN "direct_population_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1048 COMMENT ON COLUMN "direct_population_snapshot"."weight" IS 'Weight of member (1 or higher) according to "delegating_population_snapshot"';
1051 CREATE TABLE "delegating_population_snapshot" (
1052 PRIMARY KEY ("issue_id", "event", "member_id"),
1053 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1054 "event" "snapshot_event",
1055 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1056 "weight" INT4,
1057 "scope" "delegation_scope" NOT NULL,
1058 "delegate_member_ids" INT4[] NOT NULL );
1059 CREATE INDEX "delegating_population_snapshot_member_id_idx" ON "delegating_population_snapshot" ("member_id");
1061 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';
1063 COMMENT ON COLUMN "delegating_population_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1064 COMMENT ON COLUMN "delegating_population_snapshot"."member_id" IS 'Delegating member';
1065 COMMENT ON COLUMN "delegating_population_snapshot"."weight" IS 'Intermediate weight';
1066 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"';
1069 CREATE TABLE "direct_interest_snapshot" (
1070 PRIMARY KEY ("issue_id", "event", "member_id"),
1071 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1072 "event" "snapshot_event",
1073 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1074 "weight" INT4 );
1075 CREATE INDEX "direct_interest_snapshot_member_id_idx" ON "direct_interest_snapshot" ("member_id");
1077 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';
1079 COMMENT ON COLUMN "direct_interest_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1080 COMMENT ON COLUMN "direct_interest_snapshot"."weight" IS 'Weight of member (1 or higher) according to "delegating_interest_snapshot"';
1083 CREATE TABLE "delegating_interest_snapshot" (
1084 PRIMARY KEY ("issue_id", "event", "member_id"),
1085 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1086 "event" "snapshot_event",
1087 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1088 "weight" INT4,
1089 "scope" "delegation_scope" NOT NULL,
1090 "delegate_member_ids" INT4[] NOT NULL );
1091 CREATE INDEX "delegating_interest_snapshot_member_id_idx" ON "delegating_interest_snapshot" ("member_id");
1093 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';
1095 COMMENT ON COLUMN "delegating_interest_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1096 COMMENT ON COLUMN "delegating_interest_snapshot"."member_id" IS 'Delegating member';
1097 COMMENT ON COLUMN "delegating_interest_snapshot"."weight" IS 'Intermediate weight';
1098 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"';
1101 CREATE TABLE "direct_supporter_snapshot" (
1102 "issue_id" INT4 NOT NULL,
1103 PRIMARY KEY ("initiative_id", "event", "member_id"),
1104 "initiative_id" INT4,
1105 "event" "snapshot_event",
1106 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1107 "draft_id" INT8 NOT NULL,
1108 "informed" BOOLEAN NOT NULL,
1109 "satisfied" BOOLEAN NOT NULL,
1110 FOREIGN KEY ("issue_id", "initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
1111 FOREIGN KEY ("initiative_id", "draft_id") REFERENCES "draft" ("initiative_id", "id") ON DELETE NO ACTION ON UPDATE CASCADE,
1112 FOREIGN KEY ("issue_id", "event", "member_id") REFERENCES "direct_interest_snapshot" ("issue_id", "event", "member_id") ON DELETE CASCADE ON UPDATE CASCADE );
1113 CREATE INDEX "direct_supporter_snapshot_member_id_idx" ON "direct_supporter_snapshot" ("member_id");
1115 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';
1117 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';
1118 COMMENT ON COLUMN "direct_supporter_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1119 COMMENT ON COLUMN "direct_supporter_snapshot"."informed" IS 'Supporter has seen the latest draft of the initiative';
1120 COMMENT ON COLUMN "direct_supporter_snapshot"."satisfied" IS 'Supporter has no "critical_opinion"s';
1123 CREATE TABLE "non_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 CASCADE ON UPDATE CASCADE );
1127 CREATE INDEX "non_voter_member_id_idx" ON "non_voter" ("member_id");
1129 COMMENT ON TABLE "non_voter" IS 'Members who decided to not vote directly on an issue';
1132 CREATE TABLE "direct_voter" (
1133 PRIMARY KEY ("issue_id", "member_id"),
1134 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1135 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1136 "weight" INT4,
1137 "comment_changed" TIMESTAMPTZ,
1138 "formatting_engine" TEXT,
1139 "comment" TEXT,
1140 "text_search_data" TSVECTOR );
1141 CREATE INDEX "direct_voter_member_id_idx" ON "direct_voter" ("member_id");
1142 CREATE INDEX "direct_voter_text_search_data_idx" ON "direct_voter" USING gin ("text_search_data");
1143 CREATE TRIGGER "update_text_search_data"
1144 BEFORE INSERT OR UPDATE ON "direct_voter"
1145 FOR EACH ROW EXECUTE PROCEDURE
1146 tsvector_update_trigger('text_search_data', 'pg_catalog.simple', "comment");
1148 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';
1150 COMMENT ON COLUMN "direct_voter"."weight" IS 'Weight of member (1 or higher) according to "delegating_voter" table';
1151 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';
1152 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';
1153 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.';
1156 CREATE TABLE "rendered_voter_comment" (
1157 PRIMARY KEY ("issue_id", "member_id", "format"),
1158 FOREIGN KEY ("issue_id", "member_id")
1159 REFERENCES "direct_voter" ("issue_id", "member_id")
1160 ON DELETE CASCADE ON UPDATE CASCADE,
1161 "issue_id" INT4,
1162 "member_id" INT4,
1163 "format" TEXT,
1164 "content" TEXT NOT NULL );
1166 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)';
1169 CREATE TABLE "delegating_voter" (
1170 PRIMARY KEY ("issue_id", "member_id"),
1171 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1172 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1173 "weight" INT4,
1174 "scope" "delegation_scope" NOT NULL,
1175 "delegate_member_ids" INT4[] NOT NULL );
1176 CREATE INDEX "delegating_voter_member_id_idx" ON "delegating_voter" ("member_id");
1178 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';
1180 COMMENT ON COLUMN "delegating_voter"."member_id" IS 'Delegating member';
1181 COMMENT ON COLUMN "delegating_voter"."weight" IS 'Intermediate weight';
1182 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"';
1185 CREATE TABLE "vote" (
1186 "issue_id" INT4 NOT NULL,
1187 PRIMARY KEY ("initiative_id", "member_id"),
1188 "initiative_id" INT4,
1189 "member_id" INT4,
1190 "grade" INT4 NOT NULL,
1191 "first_preference" BOOLEAN,
1192 FOREIGN KEY ("issue_id", "initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
1193 FOREIGN KEY ("issue_id", "member_id") REFERENCES "direct_voter" ("issue_id", "member_id") ON DELETE CASCADE ON UPDATE CASCADE,
1194 CONSTRAINT "first_preference_flag_only_set_on_positive_grades"
1195 CHECK ("grade" > 0 OR "first_preference" ISNULL) );
1196 CREATE INDEX "vote_member_id_idx" ON "vote" ("member_id");
1198 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';
1200 COMMENT ON COLUMN "vote"."issue_id" IS 'WARNING: No index: For selections use column "initiative_id" and join via table "initiative" where neccessary';
1201 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.';
1202 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.';
1205 CREATE TYPE "event_type" AS ENUM (
1206 'issue_state_changed',
1207 'initiative_created_in_new_issue',
1208 'initiative_created_in_existing_issue',
1209 'initiative_revoked',
1210 'new_draft_created',
1211 'suggestion_created');
1213 COMMENT ON TYPE "event_type" IS 'Type used for column "event" of table "event"';
1216 CREATE TABLE "event" (
1217 "id" SERIAL8 PRIMARY KEY,
1218 "occurrence" TIMESTAMPTZ NOT NULL DEFAULT now(),
1219 "event" "event_type" NOT NULL,
1220 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
1221 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1222 "state" "issue_state",
1223 "initiative_id" INT4,
1224 "draft_id" INT8,
1225 "suggestion_id" INT8,
1226 FOREIGN KEY ("issue_id", "initiative_id")
1227 REFERENCES "initiative" ("issue_id", "id")
1228 ON DELETE CASCADE ON UPDATE CASCADE,
1229 FOREIGN KEY ("initiative_id", "draft_id")
1230 REFERENCES "draft" ("initiative_id", "id")
1231 ON DELETE CASCADE ON UPDATE CASCADE,
1232 FOREIGN KEY ("initiative_id", "suggestion_id")
1233 REFERENCES "suggestion" ("initiative_id", "id")
1234 ON DELETE CASCADE ON UPDATE CASCADE,
1235 CONSTRAINT "null_constr_for_issue_state_changed" CHECK (
1236 "event" != 'issue_state_changed' OR (
1237 "member_id" ISNULL AND
1238 "issue_id" NOTNULL AND
1239 "state" NOTNULL AND
1240 "initiative_id" ISNULL AND
1241 "draft_id" ISNULL AND
1242 "suggestion_id" ISNULL )),
1243 CONSTRAINT "null_constr_for_initiative_creation_or_revocation_or_new_draft" CHECK (
1244 "event" NOT IN (
1245 'initiative_created_in_new_issue',
1246 'initiative_created_in_existing_issue',
1247 'initiative_revoked',
1248 'new_draft_created'
1249 ) OR (
1250 "member_id" NOTNULL AND
1251 "issue_id" NOTNULL AND
1252 "state" NOTNULL AND
1253 "initiative_id" NOTNULL AND
1254 "draft_id" NOTNULL AND
1255 "suggestion_id" ISNULL )),
1256 CONSTRAINT "null_constr_for_suggestion_creation" CHECK (
1257 "event" != 'suggestion_created' OR (
1258 "member_id" NOTNULL AND
1259 "issue_id" NOTNULL AND
1260 "state" NOTNULL AND
1261 "initiative_id" NOTNULL AND
1262 "draft_id" ISNULL AND
1263 "suggestion_id" NOTNULL )) );
1264 CREATE INDEX "event_occurrence_idx" ON "event" ("occurrence");
1266 COMMENT ON TABLE "event" IS 'Event table, automatically filled by triggers';
1268 COMMENT ON COLUMN "event"."occurrence" IS 'Point in time, when event occurred';
1269 COMMENT ON COLUMN "event"."event" IS 'Type of event (see TYPE "event_type")';
1270 COMMENT ON COLUMN "event"."member_id" IS 'Member who caused the event, if applicable';
1271 COMMENT ON COLUMN "event"."state" IS 'If issue_id is set: state of affected issue; If state changed: new state';
1274 CREATE TABLE "notification_sent" (
1275 "event_id" INT8 NOT NULL );
1276 CREATE UNIQUE INDEX "notification_sent_singleton_idx" ON "notification_sent" ((1));
1278 COMMENT ON TABLE "notification_sent" IS 'This table stores one row with the last event_id, for which notifications have been sent out';
1279 COMMENT ON INDEX "notification_sent_singleton_idx" IS 'This index ensures that "notification_sent" only contains one row maximum.';
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 $$
1484 DECLARE
1485 "reference_lost" BOOLEAN;
1486 BEGIN
1487 IF TG_OP = 'DELETE' THEN
1488 "reference_lost" := TRUE;
1489 ELSE
1490 "reference_lost" := NEW."issue_id" != OLD."issue_id";
1491 END IF;
1492 IF
1493 "reference_lost" AND NOT EXISTS (
1494 SELECT NULL FROM "initiative" WHERE "issue_id" = OLD."issue_id"
1496 THEN
1497 DELETE FROM "issue" WHERE "id" = OLD."issue_id";
1498 END IF;
1499 RETURN NULL;
1500 END;
1501 $$;
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 $$
1539 DECLARE
1540 "reference_lost" BOOLEAN;
1541 BEGIN
1542 IF TG_OP = 'DELETE' THEN
1543 "reference_lost" := TRUE;
1544 ELSE
1545 "reference_lost" := NEW."initiative_id" != OLD."initiative_id";
1546 END IF;
1547 IF
1548 "reference_lost" AND NOT EXISTS (
1549 SELECT NULL FROM "draft" WHERE "initiative_id" = OLD."initiative_id"
1551 THEN
1552 DELETE FROM "initiative" WHERE "id" = OLD."initiative_id";
1553 END IF;
1554 RETURN NULL;
1555 END;
1556 $$;
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 $$
1594 DECLARE
1595 "reference_lost" BOOLEAN;
1596 BEGIN
1597 IF TG_OP = 'DELETE' THEN
1598 "reference_lost" := TRUE;
1599 ELSE
1600 "reference_lost" := NEW."suggestion_id" != OLD."suggestion_id";
1601 END IF;
1602 IF
1603 "reference_lost" AND NOT EXISTS (
1604 SELECT NULL FROM "opinion" WHERE "suggestion_id" = OLD."suggestion_id"
1606 THEN
1607 DELETE FROM "suggestion" WHERE "id" = OLD."suggestion_id";
1608 END IF;
1609 RETURN NULL;
1610 END;
1611 $$;
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 $$
1692 DECLARE
1693 "issue_id_v" "issue"."id"%TYPE;
1694 "issue_row" "issue"%ROWTYPE;
1695 BEGIN
1696 IF EXISTS (
1697 SELECT NULL FROM "temporary_transaction_data"
1698 WHERE "txid" = txid_current()
1699 AND "key" = 'override_protection_triggers'
1700 AND "value" = TRUE::TEXT
1701 ) THEN
1702 RETURN NULL;
1703 END IF;
1704 IF TG_OP = 'DELETE' THEN
1705 "issue_id_v" := OLD."issue_id";
1706 ELSE
1707 "issue_id_v" := NEW."issue_id";
1708 END IF;
1709 SELECT INTO "issue_row" * FROM "issue"
1710 WHERE "id" = "issue_id_v" FOR SHARE;
1711 IF (
1712 "issue_row"."closed" NOTNULL OR (
1713 "issue_row"."state" = 'voting' AND
1714 "issue_row"."phase_finished" NOTNULL
1716 ) THEN
1717 IF
1718 TG_RELID = 'direct_voter'::regclass AND
1719 TG_OP = 'UPDATE'
1720 THEN
1721 IF
1722 OLD."issue_id" = NEW."issue_id" AND
1723 OLD."member_id" = NEW."member_id" AND
1724 OLD."weight" = NEW."weight"
1725 THEN
1726 RETURN NULL; -- allows changing of voter comment
1727 END IF;
1728 END IF;
1729 RAISE EXCEPTION 'Tried to modify data after voting has been closed.' USING
1730 ERRCODE = 'integrity_constraint_violation';
1731 END IF;
1732 RETURN NULL;
1733 END;
1734 $$;
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
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
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"
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 "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 WHERE "suggestion"."initiative_id" = "initiative"."id"
2397 AND COALESCE(
2398 "suggestion"."id" > "member"."last_notified_suggestion_id",
2399 TRUE
2401 ) AS "new_suggestion_count",
2402 FALSE AS "featured",
2403 NOT EXISTS (
2404 SELECT NULL FROM "initiative" AS "better_initiative"
2405 WHERE
2406 "better_initiative"."issue_id" = "initiative"."issue_id" AND
2407 ("better_initiative"."harmonic_weight", -"better_initiative"."id") >
2408 ("initiative"."harmonic_weight", -"better_initiative"."id")
2409 ) AS "leading",
2410 "initiative".*
2411 FROM "member" CROSS JOIN "initiative"
2412 JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
2413 JOIN "supporter" ON
2414 "supporter"."member_id" = "member"."id" AND
2415 "supporter"."initiative_id" = "initiative"."id"
2416 WHERE "issue"."state" IN ('admission', 'discussion')
2417 AND (
2418 EXISTS (
2419 SELECT NULL FROM "draft"
2420 WHERE "draft"."initiative_id" = "initiative"."id"
2421 AND "draft"."id" > "supporter"."draft_id"
2422 ) OR EXISTS (
2423 SELECT NULL FROM "suggestion"
2424 WHERE "suggestion"."initiative_id" = "initiative"."id"
2425 AND COALESCE(
2426 "suggestion"."id" > "member"."last_notified_suggestion_id",
2427 TRUE
2430 );
2432 CREATE FUNCTION "featured_initiative"
2433 ( "member_id_p" "member"."id"%TYPE,
2434 "area_id_p" "area"."id"%TYPE )
2435 RETURNS SETOF "initiative"
2436 LANGUAGE 'plpgsql' STABLE AS $$
2437 DECLARE
2438 "member_row" "member"%ROWTYPE;
2439 "member_id_v" "member"."id"%TYPE;
2440 "seed_v" TEXT;
2441 "result_row" "initiative"%ROWTYPE;
2442 "match_v" BOOLEAN;
2443 "initiative_id_ary" INT4[]; --"initiative"."id"%TYPE[]
2444 BEGIN
2445 SELECT INTO "member_row" * FROM "member" WHERE "id" = "member_id_p";
2446 "initiative_id_ary" := '{}';
2447 LOOP
2448 "match_v" := FALSE;
2449 FOR "member_id_v", "seed_v" IN
2450 SELECT * FROM (
2451 SELECT DISTINCT
2452 "supporter"."member_id",
2453 md5("member_id_p" || '-' || "member_row"."notification_counter" || '-' || "area_id_p" || '-' || "supporter"."member_id") AS "seed"
2454 FROM "supporter"
2455 JOIN "member" ON "member"."id" = "supporter"."member_id"
2456 JOIN "initiative" ON "initiative"."id" = "supporter"."initiative_id"
2457 JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
2458 WHERE "supporter"."member_id" != "member_id_p"
2459 AND "issue"."area_id" = "area_id_p"
2460 AND "issue"."state" IN ('admission', 'discussion', 'verification')
2461 ) AS "subquery"
2462 ORDER BY "seed"
2463 LOOP
2464 SELECT "initiative".* INTO "result_row"
2465 FROM "initiative"
2466 JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
2467 JOIN "supporter" ON "supporter"."initiative_id" = "initiative"."id"
2468 LEFT JOIN "supporter" AS "self_support" ON
2469 "self_support"."initiative_id" = "initiative"."id" AND
2470 "self_support"."member_id" = "member_id_p"
2471 WHERE "supporter"."member_id" = "member_id_v"
2472 AND "issue"."area_id" = "area_id_p"
2473 AND "issue"."state" IN ('admission', 'discussion', 'verification')
2474 AND "self_support"."member_id" ISNULL
2475 AND NOT "initiative_id_ary" @> ARRAY["initiative"."id"]
2476 ORDER BY md5("seed_v" || '-' || "initiative"."id")
2477 LIMIT 1;
2478 IF FOUND THEN
2479 "match_v" := TRUE;
2480 "initiative_id_ary" := "initiative_id_ary" || "result_row"."id";
2481 RETURN NEXT "result_row";
2482 IF array_length("initiative_id_ary", 1) >= "member_row"."sample_size" THEN
2483 RETURN;
2484 END IF;
2485 END IF;
2486 END LOOP;
2487 EXIT WHEN NOT "match_v";
2488 END LOOP;
2489 RETURN;
2490 END;
2491 $$;
2493 CREATE VIEW "updated_or_featured_initiative" AS
2494 SELECT * FROM "updated_initiative"
2495 UNION ALL
2496 SELECT
2497 "member"."id" AS "seen_by_member_id",
2498 FALSE AS "supported",
2499 NULL::BOOLEAN AS "new_draft",
2500 NULL::INTEGER AS "new_suggestion_count",
2501 TRUE AS "featured",
2502 NOT EXISTS (
2503 SELECT NULL FROM "initiative" AS "better_initiative"
2504 WHERE
2505 "better_initiative"."issue_id" = "initiative"."issue_id" AND
2506 ("better_initiative"."harmonic_weight", -"better_initiative"."id") >
2507 ("initiative"."harmonic_weight", -"better_initiative"."id")
2508 ) AS "leading",
2509 "initiative".*
2510 FROM "member" CROSS JOIN "area"
2511 CROSS JOIN LATERAL
2512 "featured_initiative"("member"."id", "area"."id") AS "initiative";
2514 CREATE VIEW "leading_complement_initiative" AS
2515 SELECT * FROM (
2516 SELECT DISTINCT ON ("seen_by_member_id", "initiative"."issue_id")
2517 "updated_or_featured_initiative"."seen_by_member_id",
2518 FALSE AS "supported",
2519 NULL::BOOLEAN AS "new_draft",
2520 NULL::INTEGER AS "new_suggestion_count",
2521 FALSE AS "featured",
2522 TRUE AS "leading",
2523 "initiative".*
2524 FROM "updated_or_featured_initiative"
2525 JOIN "initiative"
2526 ON "updated_or_featured_initiative"."issue_id" = "initiative"."issue_id"
2527 ORDER BY
2528 "seen_by_member_id",
2529 "initiative"."issue_id",
2530 "initiative"."harmonic_weight" DESC,
2531 "initiative"."id"
2532 ) AS "subquery"
2533 WHERE NOT EXISTS (
2534 SELECT NULL FROM "updated_or_featured_initiative" AS "other"
2535 WHERE "other"."seen_by_member_id" = "subquery"."seen_by_member_id"
2536 AND "other"."id" = "subquery"."id"
2537 );
2539 CREATE VIEW "initiative_for_notification" AS
2540 SELECT * FROM "updated_or_featured_initiative"
2541 UNION ALL
2542 SELECT * FROM "leading_complement_initiative";
2546 ------------------------------------------------------
2547 -- Row set returning function for delegation chains --
2548 ------------------------------------------------------
2551 CREATE TYPE "delegation_chain_loop_tag" AS ENUM
2552 ('first', 'intermediate', 'last', 'repetition');
2554 COMMENT ON TYPE "delegation_chain_loop_tag" IS 'Type for loop tags in "delegation_chain_row" type';
2557 CREATE TYPE "delegation_chain_row" AS (
2558 "index" INT4,
2559 "member_id" INT4,
2560 "member_valid" BOOLEAN,
2561 "participation" BOOLEAN,
2562 "overridden" BOOLEAN,
2563 "scope_in" "delegation_scope",
2564 "scope_out" "delegation_scope",
2565 "disabled_out" BOOLEAN,
2566 "loop" "delegation_chain_loop_tag" );
2568 COMMENT ON TYPE "delegation_chain_row" IS 'Type of rows returned by "delegation_chain" function';
2570 COMMENT ON COLUMN "delegation_chain_row"."index" IS 'Index starting with 0 and counting up';
2571 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';
2572 COMMENT ON COLUMN "delegation_chain_row"."overridden" IS 'True, if an entry with lower index has "participation" set to true';
2573 COMMENT ON COLUMN "delegation_chain_row"."scope_in" IS 'Scope of used incoming delegation';
2574 COMMENT ON COLUMN "delegation_chain_row"."scope_out" IS 'Scope of used outgoing delegation';
2575 COMMENT ON COLUMN "delegation_chain_row"."disabled_out" IS 'Outgoing delegation is explicitly disabled by a delegation with trustee_id set to NULL';
2576 COMMENT ON COLUMN "delegation_chain_row"."loop" IS 'Not null, if member is part of a loop, see "delegation_chain_loop_tag" type';
2579 CREATE FUNCTION "delegation_chain_for_closed_issue"
2580 ( "member_id_p" "member"."id"%TYPE,
2581 "issue_id_p" "issue"."id"%TYPE )
2582 RETURNS SETOF "delegation_chain_row"
2583 LANGUAGE 'plpgsql' STABLE AS $$
2584 DECLARE
2585 "output_row" "delegation_chain_row";
2586 "direct_voter_row" "direct_voter"%ROWTYPE;
2587 "delegating_voter_row" "delegating_voter"%ROWTYPE;
2588 BEGIN
2589 "output_row"."index" := 0;
2590 "output_row"."member_id" := "member_id_p";
2591 "output_row"."member_valid" := TRUE;
2592 "output_row"."participation" := FALSE;
2593 "output_row"."overridden" := FALSE;
2594 "output_row"."disabled_out" := FALSE;
2595 LOOP
2596 SELECT INTO "direct_voter_row" * FROM "direct_voter"
2597 WHERE "issue_id" = "issue_id_p"
2598 AND "member_id" = "output_row"."member_id";
2599 IF "direct_voter_row"."member_id" NOTNULL THEN
2600 "output_row"."participation" := TRUE;
2601 "output_row"."scope_out" := NULL;
2602 "output_row"."disabled_out" := NULL;
2603 RETURN NEXT "output_row";
2604 RETURN;
2605 END IF;
2606 SELECT INTO "delegating_voter_row" * FROM "delegating_voter"
2607 WHERE "issue_id" = "issue_id_p"
2608 AND "member_id" = "output_row"."member_id";
2609 IF "delegating_voter_row"."member_id" ISNULL THEN
2610 RETURN;
2611 END IF;
2612 "output_row"."scope_out" := "delegating_voter_row"."scope";
2613 RETURN NEXT "output_row";
2614 "output_row"."member_id" := "delegating_voter_row"."delegate_member_ids"[1];
2615 "output_row"."scope_in" := "output_row"."scope_out";
2616 END LOOP;
2617 END;
2618 $$;
2620 COMMENT ON FUNCTION "delegation_chain_for_closed_issue"
2621 ( "member"."id"%TYPE,
2622 "member"."id"%TYPE )
2623 IS 'Helper function for "delegation_chain" function, handling the special case of closed issues after voting';
2626 CREATE FUNCTION "delegation_chain"
2627 ( "member_id_p" "member"."id"%TYPE,
2628 "unit_id_p" "unit"."id"%TYPE,
2629 "area_id_p" "area"."id"%TYPE,
2630 "issue_id_p" "issue"."id"%TYPE,
2631 "simulate_trustee_id_p" "member"."id"%TYPE DEFAULT NULL,
2632 "simulate_default_p" BOOLEAN DEFAULT FALSE )
2633 RETURNS SETOF "delegation_chain_row"
2634 LANGUAGE 'plpgsql' STABLE AS $$
2635 DECLARE
2636 "scope_v" "delegation_scope";
2637 "unit_id_v" "unit"."id"%TYPE;
2638 "area_id_v" "area"."id"%TYPE;
2639 "issue_row" "issue"%ROWTYPE;
2640 "visited_member_ids" INT4[]; -- "member"."id"%TYPE[]
2641 "loop_member_id_v" "member"."id"%TYPE;
2642 "output_row" "delegation_chain_row";
2643 "output_rows" "delegation_chain_row"[];
2644 "simulate_v" BOOLEAN;
2645 "simulate_here_v" BOOLEAN;
2646 "delegation_row" "delegation"%ROWTYPE;
2647 "row_count" INT4;
2648 "i" INT4;
2649 "loop_v" BOOLEAN;
2650 BEGIN
2651 IF "simulate_trustee_id_p" NOTNULL AND "simulate_default_p" THEN
2652 RAISE EXCEPTION 'Both "simulate_trustee_id_p" is set, and "simulate_default_p" is true';
2653 END IF;
2654 IF "simulate_trustee_id_p" NOTNULL OR "simulate_default_p" THEN
2655 "simulate_v" := TRUE;
2656 ELSE
2657 "simulate_v" := FALSE;
2658 END IF;
2659 IF
2660 "unit_id_p" NOTNULL AND
2661 "area_id_p" ISNULL AND
2662 "issue_id_p" ISNULL
2663 THEN
2664 "scope_v" := 'unit';
2665 "unit_id_v" := "unit_id_p";
2666 ELSIF
2667 "unit_id_p" ISNULL AND
2668 "area_id_p" NOTNULL AND
2669 "issue_id_p" ISNULL
2670 THEN
2671 "scope_v" := 'area';
2672 "area_id_v" := "area_id_p";
2673 SELECT "unit_id" INTO "unit_id_v"
2674 FROM "area" WHERE "id" = "area_id_v";
2675 ELSIF
2676 "unit_id_p" ISNULL AND
2677 "area_id_p" ISNULL AND
2678 "issue_id_p" NOTNULL
2679 THEN
2680 SELECT INTO "issue_row" * FROM "issue" WHERE "id" = "issue_id_p";
2681 IF "issue_row"."id" ISNULL THEN
2682 RETURN;
2683 END IF;
2684 IF "issue_row"."closed" NOTNULL THEN
2685 IF "simulate_v" THEN
2686 RAISE EXCEPTION 'Tried to simulate delegation chain for closed issue.';
2687 END IF;
2688 FOR "output_row" IN
2689 SELECT * FROM
2690 "delegation_chain_for_closed_issue"("member_id_p", "issue_id_p")
2691 LOOP
2692 RETURN NEXT "output_row";
2693 END LOOP;
2694 RETURN;
2695 END IF;
2696 "scope_v" := 'issue';
2697 SELECT "area_id" INTO "area_id_v"
2698 FROM "issue" WHERE "id" = "issue_id_p";
2699 SELECT "unit_id" INTO "unit_id_v"
2700 FROM "area" WHERE "id" = "area_id_v";
2701 ELSE
2702 RAISE EXCEPTION 'Exactly one of unit_id_p, area_id_p, or issue_id_p must be NOTNULL.';
2703 END IF;
2704 "visited_member_ids" := '{}';
2705 "loop_member_id_v" := NULL;
2706 "output_rows" := '{}';
2707 "output_row"."index" := 0;
2708 "output_row"."member_id" := "member_id_p";
2709 "output_row"."member_valid" := TRUE;
2710 "output_row"."participation" := FALSE;
2711 "output_row"."overridden" := FALSE;
2712 "output_row"."disabled_out" := FALSE;
2713 "output_row"."scope_out" := NULL;
2714 LOOP
2715 IF "visited_member_ids" @> ARRAY["output_row"."member_id"] THEN
2716 "loop_member_id_v" := "output_row"."member_id";
2717 ELSE
2718 "visited_member_ids" :=
2719 "visited_member_ids" || "output_row"."member_id";
2720 END IF;
2721 IF "output_row"."participation" ISNULL THEN
2722 "output_row"."overridden" := NULL;
2723 ELSIF "output_row"."participation" THEN
2724 "output_row"."overridden" := TRUE;
2725 END IF;
2726 "output_row"."scope_in" := "output_row"."scope_out";
2727 "output_row"."member_valid" := EXISTS (
2728 SELECT NULL FROM "member" JOIN "privilege"
2729 ON "privilege"."member_id" = "member"."id"
2730 AND "privilege"."unit_id" = "unit_id_v"
2731 WHERE "id" = "output_row"."member_id"
2732 AND "member"."active" AND "privilege"."voting_right"
2733 );
2734 "simulate_here_v" := (
2735 "simulate_v" AND
2736 "output_row"."member_id" = "member_id_p"
2737 );
2738 "delegation_row" := ROW(NULL);
2739 IF "output_row"."member_valid" OR "simulate_here_v" THEN
2740 IF "scope_v" = 'unit' THEN
2741 IF NOT "simulate_here_v" THEN
2742 SELECT * INTO "delegation_row" FROM "delegation"
2743 WHERE "truster_id" = "output_row"."member_id"
2744 AND "unit_id" = "unit_id_v";
2745 END IF;
2746 ELSIF "scope_v" = 'area' THEN
2747 "output_row"."participation" := EXISTS (
2748 SELECT NULL FROM "membership"
2749 WHERE "area_id" = "area_id_p"
2750 AND "member_id" = "output_row"."member_id"
2751 );
2752 IF "simulate_here_v" THEN
2753 IF "simulate_trustee_id_p" ISNULL THEN
2754 SELECT * INTO "delegation_row" FROM "delegation"
2755 WHERE "truster_id" = "output_row"."member_id"
2756 AND "unit_id" = "unit_id_v";
2757 END IF;
2758 ELSE
2759 SELECT * INTO "delegation_row" FROM "delegation"
2760 WHERE "truster_id" = "output_row"."member_id"
2761 AND (
2762 "unit_id" = "unit_id_v" OR
2763 "area_id" = "area_id_v"
2765 ORDER BY "scope" DESC;
2766 END IF;
2767 ELSIF "scope_v" = 'issue' THEN
2768 IF "issue_row"."fully_frozen" ISNULL THEN
2769 "output_row"."participation" := EXISTS (
2770 SELECT NULL FROM "interest"
2771 WHERE "issue_id" = "issue_id_p"
2772 AND "member_id" = "output_row"."member_id"
2773 );
2774 ELSE
2775 IF "output_row"."member_id" = "member_id_p" THEN
2776 "output_row"."participation" := EXISTS (
2777 SELECT NULL FROM "direct_voter"
2778 WHERE "issue_id" = "issue_id_p"
2779 AND "member_id" = "output_row"."member_id"
2780 );
2781 ELSE
2782 "output_row"."participation" := NULL;
2783 END IF;
2784 END IF;
2785 IF "simulate_here_v" THEN
2786 IF "simulate_trustee_id_p" ISNULL THEN
2787 SELECT * INTO "delegation_row" FROM "delegation"
2788 WHERE "truster_id" = "output_row"."member_id"
2789 AND (
2790 "unit_id" = "unit_id_v" OR
2791 "area_id" = "area_id_v"
2793 ORDER BY "scope" DESC;
2794 END IF;
2795 ELSE
2796 SELECT * INTO "delegation_row" FROM "delegation"
2797 WHERE "truster_id" = "output_row"."member_id"
2798 AND (
2799 "unit_id" = "unit_id_v" OR
2800 "area_id" = "area_id_v" OR
2801 "issue_id" = "issue_id_p"
2803 ORDER BY "scope" DESC;
2804 END IF;
2805 END IF;
2806 ELSE
2807 "output_row"."participation" := FALSE;
2808 END IF;
2809 IF "simulate_here_v" AND "simulate_trustee_id_p" NOTNULL THEN
2810 "output_row"."scope_out" := "scope_v";
2811 "output_rows" := "output_rows" || "output_row";
2812 "output_row"."member_id" := "simulate_trustee_id_p";
2813 ELSIF "delegation_row"."trustee_id" NOTNULL THEN
2814 "output_row"."scope_out" := "delegation_row"."scope";
2815 "output_rows" := "output_rows" || "output_row";
2816 "output_row"."member_id" := "delegation_row"."trustee_id";
2817 ELSIF "delegation_row"."scope" NOTNULL THEN
2818 "output_row"."scope_out" := "delegation_row"."scope";
2819 "output_row"."disabled_out" := TRUE;
2820 "output_rows" := "output_rows" || "output_row";
2821 EXIT;
2822 ELSE
2823 "output_row"."scope_out" := NULL;
2824 "output_rows" := "output_rows" || "output_row";
2825 EXIT;
2826 END IF;
2827 EXIT WHEN "loop_member_id_v" NOTNULL;
2828 "output_row"."index" := "output_row"."index" + 1;
2829 END LOOP;
2830 "row_count" := array_upper("output_rows", 1);
2831 "i" := 1;
2832 "loop_v" := FALSE;
2833 LOOP
2834 "output_row" := "output_rows"["i"];
2835 EXIT WHEN "output_row" ISNULL; -- NOTE: ISNULL and NOT ... NOTNULL produce different results!
2836 IF "loop_v" THEN
2837 IF "i" + 1 = "row_count" THEN
2838 "output_row"."loop" := 'last';
2839 ELSIF "i" = "row_count" THEN
2840 "output_row"."loop" := 'repetition';
2841 ELSE
2842 "output_row"."loop" := 'intermediate';
2843 END IF;
2844 ELSIF "output_row"."member_id" = "loop_member_id_v" THEN
2845 "output_row"."loop" := 'first';
2846 "loop_v" := TRUE;
2847 END IF;
2848 IF "scope_v" = 'unit' THEN
2849 "output_row"."participation" := NULL;
2850 END IF;
2851 RETURN NEXT "output_row";
2852 "i" := "i" + 1;
2853 END LOOP;
2854 RETURN;
2855 END;
2856 $$;
2858 COMMENT ON FUNCTION "delegation_chain"
2859 ( "member"."id"%TYPE,
2860 "unit"."id"%TYPE,
2861 "area"."id"%TYPE,
2862 "issue"."id"%TYPE,
2863 "member"."id"%TYPE,
2864 BOOLEAN )
2865 IS 'Shows a delegation chain for unit, area, or issue; See "delegation_chain_row" type for more information';
2869 ---------------------------------------------------------
2870 -- Single row returning function for delegation chains --
2871 ---------------------------------------------------------
2874 CREATE TYPE "delegation_info_loop_type" AS ENUM
2875 ('own', 'first', 'first_ellipsis', 'other', 'other_ellipsis');
2877 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''';
2880 CREATE TYPE "delegation_info_type" AS (
2881 "own_participation" BOOLEAN,
2882 "own_delegation_scope" "delegation_scope",
2883 "first_trustee_id" INT4,
2884 "first_trustee_participation" BOOLEAN,
2885 "first_trustee_ellipsis" BOOLEAN,
2886 "other_trustee_id" INT4,
2887 "other_trustee_participation" BOOLEAN,
2888 "other_trustee_ellipsis" BOOLEAN,
2889 "delegation_loop" "delegation_info_loop_type",
2890 "participating_member_id" INT4 );
2892 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';
2894 COMMENT ON COLUMN "delegation_info_type"."own_participation" IS 'Member is directly participating';
2895 COMMENT ON COLUMN "delegation_info_type"."own_delegation_scope" IS 'Delegation scope of member';
2896 COMMENT ON COLUMN "delegation_info_type"."first_trustee_id" IS 'Direct trustee of member';
2897 COMMENT ON COLUMN "delegation_info_type"."first_trustee_participation" IS 'Direct trustee of member is participating';
2898 COMMENT ON COLUMN "delegation_info_type"."first_trustee_ellipsis" IS 'Ellipsis in delegation chain after "first_trustee"';
2899 COMMENT ON COLUMN "delegation_info_type"."other_trustee_id" IS 'Another relevant trustee (due to participation)';
2900 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)';
2901 COMMENT ON COLUMN "delegation_info_type"."other_trustee_ellipsis" IS 'Ellipsis in delegation chain after "other_trustee"';
2902 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';
2903 COMMENT ON COLUMN "delegation_info_type"."participating_member_id" IS 'First participating member in delegation chain';
2906 CREATE FUNCTION "delegation_info"
2907 ( "member_id_p" "member"."id"%TYPE,
2908 "unit_id_p" "unit"."id"%TYPE,
2909 "area_id_p" "area"."id"%TYPE,
2910 "issue_id_p" "issue"."id"%TYPE,
2911 "simulate_trustee_id_p" "member"."id"%TYPE DEFAULT NULL,
2912 "simulate_default_p" BOOLEAN DEFAULT FALSE )
2913 RETURNS "delegation_info_type"
2914 LANGUAGE 'plpgsql' STABLE AS $$
2915 DECLARE
2916 "current_row" "delegation_chain_row";
2917 "result" "delegation_info_type";
2918 BEGIN
2919 "result"."own_participation" := FALSE;
2920 FOR "current_row" IN
2921 SELECT * FROM "delegation_chain"(
2922 "member_id_p",
2923 "unit_id_p", "area_id_p", "issue_id_p",
2924 "simulate_trustee_id_p", "simulate_default_p")
2925 LOOP
2926 IF
2927 "result"."participating_member_id" ISNULL AND
2928 "current_row"."participation"
2929 THEN
2930 "result"."participating_member_id" := "current_row"."member_id";
2931 END IF;
2932 IF "current_row"."member_id" = "member_id_p" THEN
2933 "result"."own_participation" := "current_row"."participation";
2934 "result"."own_delegation_scope" := "current_row"."scope_out";
2935 IF "current_row"."loop" = 'first' THEN
2936 "result"."delegation_loop" := 'own';
2937 END IF;
2938 ELSIF
2939 "current_row"."member_valid" AND
2940 ( "current_row"."loop" ISNULL OR
2941 "current_row"."loop" != 'repetition' )
2942 THEN
2943 IF "result"."first_trustee_id" ISNULL THEN
2944 "result"."first_trustee_id" := "current_row"."member_id";
2945 "result"."first_trustee_participation" := "current_row"."participation";
2946 "result"."first_trustee_ellipsis" := FALSE;
2947 IF "current_row"."loop" = 'first' THEN
2948 "result"."delegation_loop" := 'first';
2949 END IF;
2950 ELSIF "result"."other_trustee_id" ISNULL THEN
2951 IF "current_row"."participation" AND NOT "current_row"."overridden" THEN
2952 "result"."other_trustee_id" := "current_row"."member_id";
2953 "result"."other_trustee_participation" := TRUE;
2954 "result"."other_trustee_ellipsis" := FALSE;
2955 IF "current_row"."loop" = 'first' THEN
2956 "result"."delegation_loop" := 'other';
2957 END IF;
2958 ELSE
2959 "result"."first_trustee_ellipsis" := TRUE;
2960 IF "current_row"."loop" = 'first' THEN
2961 "result"."delegation_loop" := 'first_ellipsis';
2962 END IF;
2963 END IF;
2964 ELSE
2965 "result"."other_trustee_ellipsis" := TRUE;
2966 IF "current_row"."loop" = 'first' THEN
2967 "result"."delegation_loop" := 'other_ellipsis';
2968 END IF;
2969 END IF;
2970 END IF;
2971 END LOOP;
2972 RETURN "result";
2973 END;
2974 $$;
2976 COMMENT ON FUNCTION "delegation_info"
2977 ( "member"."id"%TYPE,
2978 "unit"."id"%TYPE,
2979 "area"."id"%TYPE,
2980 "issue"."id"%TYPE,
2981 "member"."id"%TYPE,
2982 BOOLEAN )
2983 IS 'Notable information about a delegation chain for unit, area, or issue; See "delegation_info_type" for more information';
2987 ---------------------------
2988 -- Transaction isolation --
2989 ---------------------------
2992 CREATE FUNCTION "require_transaction_isolation"()
2993 RETURNS VOID
2994 LANGUAGE 'plpgsql' VOLATILE AS $$
2995 BEGIN
2996 IF
2997 current_setting('transaction_isolation') NOT IN
2998 ('repeatable read', 'serializable')
2999 THEN
3000 RAISE EXCEPTION 'Insufficient transaction isolation level' USING
3001 HINT = 'Consider using SET TRANSACTION ISOLATION LEVEL REPEATABLE READ.';
3002 END IF;
3003 RETURN;
3004 END;
3005 $$;
3007 COMMENT ON FUNCTION "require_transaction_isolation"() IS 'Throws an exception, if transaction isolation level is too low to provide a consistent snapshot';
3010 CREATE FUNCTION "dont_require_transaction_isolation"()
3011 RETURNS VOID
3012 LANGUAGE 'plpgsql' VOLATILE AS $$
3013 BEGIN
3014 IF
3015 current_setting('transaction_isolation') IN
3016 ('repeatable read', 'serializable')
3017 THEN
3018 RAISE WARNING 'Unneccessary transaction isolation level: %',
3019 current_setting('transaction_isolation');
3020 END IF;
3021 RETURN;
3022 END;
3023 $$;
3025 COMMENT ON FUNCTION "dont_require_transaction_isolation"() IS 'Raises a warning, if transaction isolation level is higher than READ COMMITTED';
3029 ------------------------------------------------------------------------
3030 -- Regular tasks, except calculcation of snapshots and voting results --
3031 ------------------------------------------------------------------------
3034 CREATE FUNCTION "check_activity"()
3035 RETURNS VOID
3036 LANGUAGE 'plpgsql' VOLATILE AS $$
3037 DECLARE
3038 "system_setting_row" "system_setting"%ROWTYPE;
3039 BEGIN
3040 PERFORM "dont_require_transaction_isolation"();
3041 SELECT * INTO "system_setting_row" FROM "system_setting";
3042 IF "system_setting_row"."member_ttl" NOTNULL THEN
3043 UPDATE "member" SET "active" = FALSE
3044 WHERE "active" = TRUE
3045 AND "last_activity" < (now() - "system_setting_row"."member_ttl")::DATE;
3046 END IF;
3047 RETURN;
3048 END;
3049 $$;
3051 COMMENT ON FUNCTION "check_activity"() IS 'Deactivates members when "last_activity" is older than "system_setting"."member_ttl".';
3054 CREATE FUNCTION "calculate_member_counts"()
3055 RETURNS VOID
3056 LANGUAGE 'plpgsql' VOLATILE AS $$
3057 BEGIN
3058 PERFORM "require_transaction_isolation"();
3059 DELETE FROM "member_count";
3060 INSERT INTO "member_count" ("total_count")
3061 SELECT "total_count" FROM "member_count_view";
3062 UPDATE "unit" SET "member_count" = "view"."member_count"
3063 FROM "unit_member_count" AS "view"
3064 WHERE "view"."unit_id" = "unit"."id";
3065 UPDATE "area" SET
3066 "direct_member_count" = "view"."direct_member_count",
3067 "member_weight" = "view"."member_weight"
3068 FROM "area_member_count" AS "view"
3069 WHERE "view"."area_id" = "area"."id";
3070 RETURN;
3071 END;
3072 $$;
3074 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"';
3078 ------------------------------------
3079 -- Calculation of harmonic weight --
3080 ------------------------------------
3083 CREATE VIEW "remaining_harmonic_supporter_weight" AS
3084 SELECT
3085 "direct_interest_snapshot"."issue_id",
3086 "direct_interest_snapshot"."event",
3087 "direct_interest_snapshot"."member_id",
3088 "direct_interest_snapshot"."weight" AS "weight_num",
3089 count("initiative"."id") AS "weight_den"
3090 FROM "issue"
3091 JOIN "direct_interest_snapshot"
3092 ON "issue"."id" = "direct_interest_snapshot"."issue_id"
3093 AND "issue"."latest_snapshot_event" = "direct_interest_snapshot"."event"
3094 JOIN "initiative"
3095 ON "issue"."id" = "initiative"."issue_id"
3096 AND "initiative"."harmonic_weight" ISNULL
3097 JOIN "direct_supporter_snapshot"
3098 ON "initiative"."id" = "direct_supporter_snapshot"."initiative_id"
3099 AND "direct_interest_snapshot"."event" = "direct_supporter_snapshot"."event"
3100 AND "direct_interest_snapshot"."member_id" = "direct_supporter_snapshot"."member_id"
3101 AND (
3102 "direct_supporter_snapshot"."satisfied" = TRUE OR
3103 coalesce("initiative"."admitted", FALSE) = FALSE
3105 GROUP BY
3106 "direct_interest_snapshot"."issue_id",
3107 "direct_interest_snapshot"."event",
3108 "direct_interest_snapshot"."member_id",
3109 "direct_interest_snapshot"."weight";
3111 COMMENT ON VIEW "remaining_harmonic_supporter_weight" IS 'Helper view for function "set_harmonic_initiative_weights"';
3114 CREATE VIEW "remaining_harmonic_initiative_weight_summands" AS
3115 SELECT
3116 "initiative"."issue_id",
3117 "initiative"."id" AS "initiative_id",
3118 "initiative"."admitted",
3119 sum("remaining_harmonic_supporter_weight"."weight_num") AS "weight_num",
3120 "remaining_harmonic_supporter_weight"."weight_den"
3121 FROM "remaining_harmonic_supporter_weight"
3122 JOIN "initiative"
3123 ON "remaining_harmonic_supporter_weight"."issue_id" = "initiative"."issue_id"
3124 AND "initiative"."harmonic_weight" ISNULL
3125 JOIN "direct_supporter_snapshot"
3126 ON "initiative"."id" = "direct_supporter_snapshot"."initiative_id"
3127 AND "remaining_harmonic_supporter_weight"."event" = "direct_supporter_snapshot"."event"
3128 AND "remaining_harmonic_supporter_weight"."member_id" = "direct_supporter_snapshot"."member_id"
3129 AND (
3130 "direct_supporter_snapshot"."satisfied" = TRUE OR
3131 coalesce("initiative"."admitted", FALSE) = FALSE
3133 GROUP BY
3134 "initiative"."issue_id",
3135 "initiative"."id",
3136 "initiative"."admitted",
3137 "remaining_harmonic_supporter_weight"."weight_den";
3139 COMMENT ON VIEW "remaining_harmonic_initiative_weight_summands" IS 'Helper view for function "set_harmonic_initiative_weights"';
3142 CREATE VIEW "remaining_harmonic_initiative_weight_dummies" AS
3143 SELECT
3144 "issue_id",
3145 "id" AS "initiative_id",
3146 "admitted",
3147 0 AS "weight_num",
3148 1 AS "weight_den"
3149 FROM "initiative"
3150 WHERE "harmonic_weight" ISNULL;
3152 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';
3155 CREATE FUNCTION "set_harmonic_initiative_weights"
3156 ( "issue_id_p" "issue"."id"%TYPE )
3157 RETURNS VOID
3158 LANGUAGE 'plpgsql' VOLATILE AS $$
3159 DECLARE
3160 "weight_row" "remaining_harmonic_initiative_weight_summands"%ROWTYPE;
3161 "i" INT4;
3162 "count_v" INT4;
3163 "summand_v" FLOAT;
3164 "id_ary" INT4[];
3165 "weight_ary" FLOAT[];
3166 "min_weight_v" FLOAT;
3167 BEGIN
3168 PERFORM "require_transaction_isolation"();
3169 UPDATE "initiative" SET "harmonic_weight" = NULL
3170 WHERE "issue_id" = "issue_id_p";
3171 LOOP
3172 "min_weight_v" := NULL;
3173 "i" := 0;
3174 "count_v" := 0;
3175 FOR "weight_row" IN
3176 SELECT * FROM "remaining_harmonic_initiative_weight_summands"
3177 WHERE "issue_id" = "issue_id_p"
3178 AND (
3179 coalesce("admitted", FALSE) = FALSE OR NOT EXISTS (
3180 SELECT NULL FROM "initiative"
3181 WHERE "issue_id" = "issue_id_p"
3182 AND "harmonic_weight" ISNULL
3183 AND coalesce("admitted", FALSE) = FALSE
3186 UNION ALL -- needed for corner cases
3187 SELECT * FROM "remaining_harmonic_initiative_weight_dummies"
3188 WHERE "issue_id" = "issue_id_p"
3189 AND (
3190 coalesce("admitted", FALSE) = FALSE OR NOT EXISTS (
3191 SELECT NULL FROM "initiative"
3192 WHERE "issue_id" = "issue_id_p"
3193 AND "harmonic_weight" ISNULL
3194 AND coalesce("admitted", FALSE) = FALSE
3197 ORDER BY "initiative_id" DESC, "weight_den" DESC
3198 -- NOTE: non-admitted initiatives placed first (at last positions),
3199 -- latest initiatives treated worse in case of tie
3200 LOOP
3201 "summand_v" := "weight_row"."weight_num"::FLOAT / "weight_row"."weight_den"::FLOAT;
3202 IF "i" = 0 OR "weight_row"."initiative_id" != "id_ary"["i"] THEN
3203 "i" := "i" + 1;
3204 "count_v" := "i";
3205 "id_ary"["i"] := "weight_row"."initiative_id";
3206 "weight_ary"["i"] := "summand_v";
3207 ELSE
3208 "weight_ary"["i"] := "weight_ary"["i"] + "summand_v";
3209 END IF;
3210 END LOOP;
3211 EXIT WHEN "count_v" = 0;
3212 "i" := 1;
3213 LOOP
3214 "weight_ary"["i"] := "weight_ary"["i"]::NUMERIC(18,9)::NUMERIC(12,3);
3215 IF "min_weight_v" ISNULL OR "weight_ary"["i"] < "min_weight_v" THEN
3216 "min_weight_v" := "weight_ary"["i"];
3217 END IF;
3218 "i" := "i" + 1;
3219 EXIT WHEN "i" > "count_v";
3220 END LOOP;
3221 "i" := 1;
3222 LOOP
3223 IF "weight_ary"["i"] = "min_weight_v" THEN
3224 UPDATE "initiative" SET "harmonic_weight" = "min_weight_v"
3225 WHERE "id" = "id_ary"["i"];
3226 EXIT;
3227 END IF;
3228 "i" := "i" + 1;
3229 END LOOP;
3230 END LOOP;
3231 UPDATE "initiative" SET "harmonic_weight" = 0
3232 WHERE "issue_id" = "issue_id_p" AND "harmonic_weight" ISNULL;
3233 END;
3234 $$;
3236 COMMENT ON FUNCTION "set_harmonic_initiative_weights"
3237 ( "issue"."id"%TYPE )
3238 IS 'Calculates and sets "harmonic_weight" of initiatives in a given issue';
3242 ------------------------------
3243 -- Calculation of snapshots --
3244 ------------------------------
3247 CREATE FUNCTION "weight_of_added_delegations_for_population_snapshot"
3248 ( "issue_id_p" "issue"."id"%TYPE,
3249 "member_id_p" "member"."id"%TYPE,
3250 "delegate_member_ids_p" "delegating_population_snapshot"."delegate_member_ids"%TYPE )
3251 RETURNS "direct_population_snapshot"."weight"%TYPE
3252 LANGUAGE 'plpgsql' VOLATILE AS $$
3253 DECLARE
3254 "issue_delegation_row" "issue_delegation"%ROWTYPE;
3255 "delegate_member_ids_v" "delegating_population_snapshot"."delegate_member_ids"%TYPE;
3256 "weight_v" INT4;
3257 "sub_weight_v" INT4;
3258 BEGIN
3259 PERFORM "require_transaction_isolation"();
3260 "weight_v" := 0;
3261 FOR "issue_delegation_row" IN
3262 SELECT * FROM "issue_delegation"
3263 WHERE "trustee_id" = "member_id_p"
3264 AND "issue_id" = "issue_id_p"
3265 LOOP
3266 IF NOT EXISTS (
3267 SELECT NULL FROM "direct_population_snapshot"
3268 WHERE "issue_id" = "issue_id_p"
3269 AND "event" = 'periodic'
3270 AND "member_id" = "issue_delegation_row"."truster_id"
3271 ) AND NOT EXISTS (
3272 SELECT NULL FROM "delegating_population_snapshot"
3273 WHERE "issue_id" = "issue_id_p"
3274 AND "event" = 'periodic'
3275 AND "member_id" = "issue_delegation_row"."truster_id"
3276 ) THEN
3277 "delegate_member_ids_v" :=
3278 "member_id_p" || "delegate_member_ids_p";
3279 INSERT INTO "delegating_population_snapshot" (
3280 "issue_id",
3281 "event",
3282 "member_id",
3283 "scope",
3284 "delegate_member_ids"
3285 ) VALUES (
3286 "issue_id_p",
3287 'periodic',
3288 "issue_delegation_row"."truster_id",
3289 "issue_delegation_row"."scope",
3290 "delegate_member_ids_v"
3291 );
3292 "sub_weight_v" := 1 +
3293 "weight_of_added_delegations_for_population_snapshot"(
3294 "issue_id_p",
3295 "issue_delegation_row"."truster_id",
3296 "delegate_member_ids_v"
3297 );
3298 UPDATE "delegating_population_snapshot"
3299 SET "weight" = "sub_weight_v"
3300 WHERE "issue_id" = "issue_id_p"
3301 AND "event" = 'periodic'
3302 AND "member_id" = "issue_delegation_row"."truster_id";
3303 "weight_v" := "weight_v" + "sub_weight_v";
3304 END IF;
3305 END LOOP;
3306 RETURN "weight_v";
3307 END;
3308 $$;
3310 COMMENT ON FUNCTION "weight_of_added_delegations_for_population_snapshot"
3311 ( "issue"."id"%TYPE,
3312 "member"."id"%TYPE,
3313 "delegating_population_snapshot"."delegate_member_ids"%TYPE )
3314 IS 'Helper function for "create_population_snapshot" function';
3317 CREATE FUNCTION "create_population_snapshot"
3318 ( "issue_id_p" "issue"."id"%TYPE )
3319 RETURNS VOID
3320 LANGUAGE 'plpgsql' VOLATILE AS $$
3321 DECLARE
3322 "member_id_v" "member"."id"%TYPE;
3323 BEGIN
3324 PERFORM "require_transaction_isolation"();
3325 DELETE FROM "direct_population_snapshot"
3326 WHERE "issue_id" = "issue_id_p"
3327 AND "event" = 'periodic';
3328 DELETE FROM "delegating_population_snapshot"
3329 WHERE "issue_id" = "issue_id_p"
3330 AND "event" = 'periodic';
3331 INSERT INTO "direct_population_snapshot"
3332 ("issue_id", "event", "member_id")
3333 SELECT
3334 "issue_id_p" AS "issue_id",
3335 'periodic'::"snapshot_event" AS "event",
3336 "member"."id" AS "member_id"
3337 FROM "issue"
3338 JOIN "area" ON "issue"."area_id" = "area"."id"
3339 JOIN "membership" ON "area"."id" = "membership"."area_id"
3340 JOIN "member" ON "membership"."member_id" = "member"."id"
3341 JOIN "privilege"
3342 ON "privilege"."unit_id" = "area"."unit_id"
3343 AND "privilege"."member_id" = "member"."id"
3344 WHERE "issue"."id" = "issue_id_p"
3345 AND "member"."active" AND "privilege"."voting_right"
3346 UNION
3347 SELECT
3348 "issue_id_p" AS "issue_id",
3349 'periodic'::"snapshot_event" AS "event",
3350 "member"."id" AS "member_id"
3351 FROM "issue"
3352 JOIN "area" ON "issue"."area_id" = "area"."id"
3353 JOIN "interest" ON "issue"."id" = "interest"."issue_id"
3354 JOIN "member" ON "interest"."member_id" = "member"."id"
3355 JOIN "privilege"
3356 ON "privilege"."unit_id" = "area"."unit_id"
3357 AND "privilege"."member_id" = "member"."id"
3358 WHERE "issue"."id" = "issue_id_p"
3359 AND "member"."active" AND "privilege"."voting_right";
3360 FOR "member_id_v" IN
3361 SELECT "member_id" FROM "direct_population_snapshot"
3362 WHERE "issue_id" = "issue_id_p"
3363 AND "event" = 'periodic'
3364 LOOP
3365 UPDATE "direct_population_snapshot" SET
3366 "weight" = 1 +
3367 "weight_of_added_delegations_for_population_snapshot"(
3368 "issue_id_p",
3369 "member_id_v",
3370 '{}'
3372 WHERE "issue_id" = "issue_id_p"
3373 AND "event" = 'periodic'
3374 AND "member_id" = "member_id_v";
3375 END LOOP;
3376 RETURN;
3377 END;
3378 $$;
3380 COMMENT ON FUNCTION "create_population_snapshot"
3381 ( "issue"."id"%TYPE )
3382 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.';
3385 CREATE FUNCTION "weight_of_added_delegations_for_interest_snapshot"
3386 ( "issue_id_p" "issue"."id"%TYPE,
3387 "member_id_p" "member"."id"%TYPE,
3388 "delegate_member_ids_p" "delegating_interest_snapshot"."delegate_member_ids"%TYPE )
3389 RETURNS "direct_interest_snapshot"."weight"%TYPE
3390 LANGUAGE 'plpgsql' VOLATILE AS $$
3391 DECLARE
3392 "issue_delegation_row" "issue_delegation"%ROWTYPE;
3393 "delegate_member_ids_v" "delegating_interest_snapshot"."delegate_member_ids"%TYPE;
3394 "weight_v" INT4;
3395 "sub_weight_v" INT4;
3396 BEGIN
3397 PERFORM "require_transaction_isolation"();
3398 "weight_v" := 0;
3399 FOR "issue_delegation_row" IN
3400 SELECT * FROM "issue_delegation"
3401 WHERE "trustee_id" = "member_id_p"
3402 AND "issue_id" = "issue_id_p"
3403 LOOP
3404 IF NOT EXISTS (
3405 SELECT NULL FROM "direct_interest_snapshot"
3406 WHERE "issue_id" = "issue_id_p"
3407 AND "event" = 'periodic'
3408 AND "member_id" = "issue_delegation_row"."truster_id"
3409 ) AND NOT EXISTS (
3410 SELECT NULL FROM "delegating_interest_snapshot"
3411 WHERE "issue_id" = "issue_id_p"
3412 AND "event" = 'periodic'
3413 AND "member_id" = "issue_delegation_row"."truster_id"
3414 ) THEN
3415 "delegate_member_ids_v" :=
3416 "member_id_p" || "delegate_member_ids_p";
3417 INSERT INTO "delegating_interest_snapshot" (
3418 "issue_id",
3419 "event",
3420 "member_id",
3421 "scope",
3422 "delegate_member_ids"
3423 ) VALUES (
3424 "issue_id_p",
3425 'periodic',
3426 "issue_delegation_row"."truster_id",
3427 "issue_delegation_row"."scope",
3428 "delegate_member_ids_v"
3429 );
3430 "sub_weight_v" := 1 +
3431 "weight_of_added_delegations_for_interest_snapshot"(
3432 "issue_id_p",
3433 "issue_delegation_row"."truster_id",
3434 "delegate_member_ids_v"
3435 );
3436 UPDATE "delegating_interest_snapshot"
3437 SET "weight" = "sub_weight_v"
3438 WHERE "issue_id" = "issue_id_p"
3439 AND "event" = 'periodic'
3440 AND "member_id" = "issue_delegation_row"."truster_id";
3441 "weight_v" := "weight_v" + "sub_weight_v";
3442 END IF;
3443 END LOOP;
3444 RETURN "weight_v";
3445 END;
3446 $$;
3448 COMMENT ON FUNCTION "weight_of_added_delegations_for_interest_snapshot"
3449 ( "issue"."id"%TYPE,
3450 "member"."id"%TYPE,
3451 "delegating_interest_snapshot"."delegate_member_ids"%TYPE )
3452 IS 'Helper function for "create_interest_snapshot" function';
3455 CREATE FUNCTION "create_interest_snapshot"
3456 ( "issue_id_p" "issue"."id"%TYPE )
3457 RETURNS VOID
3458 LANGUAGE 'plpgsql' VOLATILE AS $$
3459 DECLARE
3460 "member_id_v" "member"."id"%TYPE;
3461 BEGIN
3462 PERFORM "require_transaction_isolation"();
3463 DELETE FROM "direct_interest_snapshot"
3464 WHERE "issue_id" = "issue_id_p"
3465 AND "event" = 'periodic';
3466 DELETE FROM "delegating_interest_snapshot"
3467 WHERE "issue_id" = "issue_id_p"
3468 AND "event" = 'periodic';
3469 DELETE FROM "direct_supporter_snapshot"
3470 USING "initiative" -- NOTE: due to missing index on issue_id
3471 WHERE "initiative"."issue_id" = "issue_id_p"
3472 AND "direct_supporter_snapshot"."initiative_id" = "initiative"."id"
3473 AND "direct_supporter_snapshot"."event" = 'periodic';
3474 INSERT INTO "direct_interest_snapshot"
3475 ("issue_id", "event", "member_id")
3476 SELECT
3477 "issue_id_p" AS "issue_id",
3478 'periodic' AS "event",
3479 "member"."id" AS "member_id"
3480 FROM "issue"
3481 JOIN "area" ON "issue"."area_id" = "area"."id"
3482 JOIN "interest" ON "issue"."id" = "interest"."issue_id"
3483 JOIN "member" ON "interest"."member_id" = "member"."id"
3484 JOIN "privilege"
3485 ON "privilege"."unit_id" = "area"."unit_id"
3486 AND "privilege"."member_id" = "member"."id"
3487 WHERE "issue"."id" = "issue_id_p"
3488 AND "member"."active" AND "privilege"."voting_right";
3489 FOR "member_id_v" IN
3490 SELECT "member_id" FROM "direct_interest_snapshot"
3491 WHERE "issue_id" = "issue_id_p"
3492 AND "event" = 'periodic'
3493 LOOP
3494 UPDATE "direct_interest_snapshot" SET
3495 "weight" = 1 +
3496 "weight_of_added_delegations_for_interest_snapshot"(
3497 "issue_id_p",
3498 "member_id_v",
3499 '{}'
3501 WHERE "issue_id" = "issue_id_p"
3502 AND "event" = 'periodic'
3503 AND "member_id" = "member_id_v";
3504 END LOOP;
3505 INSERT INTO "direct_supporter_snapshot"
3506 ( "issue_id", "initiative_id", "event", "member_id",
3507 "draft_id", "informed", "satisfied" )
3508 SELECT
3509 "issue_id_p" AS "issue_id",
3510 "initiative"."id" AS "initiative_id",
3511 'periodic' AS "event",
3512 "supporter"."member_id" AS "member_id",
3513 "supporter"."draft_id" AS "draft_id",
3514 "supporter"."draft_id" = "current_draft"."id" AS "informed",
3515 NOT EXISTS (
3516 SELECT NULL FROM "critical_opinion"
3517 WHERE "initiative_id" = "initiative"."id"
3518 AND "member_id" = "supporter"."member_id"
3519 ) AS "satisfied"
3520 FROM "initiative"
3521 JOIN "supporter"
3522 ON "supporter"."initiative_id" = "initiative"."id"
3523 JOIN "current_draft"
3524 ON "initiative"."id" = "current_draft"."initiative_id"
3525 JOIN "direct_interest_snapshot"
3526 ON "supporter"."member_id" = "direct_interest_snapshot"."member_id"
3527 AND "initiative"."issue_id" = "direct_interest_snapshot"."issue_id"
3528 AND "event" = 'periodic'
3529 WHERE "initiative"."issue_id" = "issue_id_p";
3530 RETURN;
3531 END;
3532 $$;
3534 COMMENT ON FUNCTION "create_interest_snapshot"
3535 ( "issue"."id"%TYPE )
3536 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.';
3539 CREATE FUNCTION "create_snapshot"
3540 ( "issue_id_p" "issue"."id"%TYPE )
3541 RETURNS VOID
3542 LANGUAGE 'plpgsql' VOLATILE AS $$
3543 DECLARE
3544 "initiative_id_v" "initiative"."id"%TYPE;
3545 "suggestion_id_v" "suggestion"."id"%TYPE;
3546 BEGIN
3547 PERFORM "require_transaction_isolation"();
3548 PERFORM "create_population_snapshot"("issue_id_p");
3549 PERFORM "create_interest_snapshot"("issue_id_p");
3550 UPDATE "issue" SET
3551 "snapshot" = coalesce("phase_finished", now()),
3552 "latest_snapshot_event" = 'periodic',
3553 "population" = (
3554 SELECT coalesce(sum("weight"), 0)
3555 FROM "direct_population_snapshot"
3556 WHERE "issue_id" = "issue_id_p"
3557 AND "event" = 'periodic'
3559 WHERE "id" = "issue_id_p";
3560 FOR "initiative_id_v" IN
3561 SELECT "id" FROM "initiative" WHERE "issue_id" = "issue_id_p"
3562 LOOP
3563 UPDATE "initiative" SET
3564 "supporter_count" = (
3565 SELECT coalesce(sum("di"."weight"), 0)
3566 FROM "direct_interest_snapshot" AS "di"
3567 JOIN "direct_supporter_snapshot" AS "ds"
3568 ON "di"."member_id" = "ds"."member_id"
3569 WHERE "di"."issue_id" = "issue_id_p"
3570 AND "di"."event" = 'periodic'
3571 AND "ds"."initiative_id" = "initiative_id_v"
3572 AND "ds"."event" = 'periodic'
3573 ),
3574 "informed_supporter_count" = (
3575 SELECT coalesce(sum("di"."weight"), 0)
3576 FROM "direct_interest_snapshot" AS "di"
3577 JOIN "direct_supporter_snapshot" AS "ds"
3578 ON "di"."member_id" = "ds"."member_id"
3579 WHERE "di"."issue_id" = "issue_id_p"
3580 AND "di"."event" = 'periodic'
3581 AND "ds"."initiative_id" = "initiative_id_v"
3582 AND "ds"."event" = 'periodic'
3583 AND "ds"."informed"
3584 ),
3585 "satisfied_supporter_count" = (
3586 SELECT coalesce(sum("di"."weight"), 0)
3587 FROM "direct_interest_snapshot" AS "di"
3588 JOIN "direct_supporter_snapshot" AS "ds"
3589 ON "di"."member_id" = "ds"."member_id"
3590 WHERE "di"."issue_id" = "issue_id_p"
3591 AND "di"."event" = 'periodic'
3592 AND "ds"."initiative_id" = "initiative_id_v"
3593 AND "ds"."event" = 'periodic'
3594 AND "ds"."satisfied"
3595 ),
3596 "satisfied_informed_supporter_count" = (
3597 SELECT coalesce(sum("di"."weight"), 0)
3598 FROM "direct_interest_snapshot" AS "di"
3599 JOIN "direct_supporter_snapshot" AS "ds"
3600 ON "di"."member_id" = "ds"."member_id"
3601 WHERE "di"."issue_id" = "issue_id_p"
3602 AND "di"."event" = 'periodic'
3603 AND "ds"."initiative_id" = "initiative_id_v"
3604 AND "ds"."event" = 'periodic'
3605 AND "ds"."informed"
3606 AND "ds"."satisfied"
3608 WHERE "id" = "initiative_id_v";
3609 FOR "suggestion_id_v" IN
3610 SELECT "id" FROM "suggestion"
3611 WHERE "initiative_id" = "initiative_id_v"
3612 LOOP
3613 UPDATE "suggestion" SET
3614 "minus2_unfulfilled_count" = (
3615 SELECT coalesce(sum("snapshot"."weight"), 0)
3616 FROM "issue" CROSS JOIN "opinion"
3617 JOIN "direct_interest_snapshot" AS "snapshot"
3618 ON "snapshot"."issue_id" = "issue"."id"
3619 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3620 AND "snapshot"."member_id" = "opinion"."member_id"
3621 WHERE "issue"."id" = "issue_id_p"
3622 AND "opinion"."suggestion_id" = "suggestion_id_v"
3623 AND "opinion"."degree" = -2
3624 AND "opinion"."fulfilled" = FALSE
3625 ),
3626 "minus2_fulfilled_count" = (
3627 SELECT coalesce(sum("snapshot"."weight"), 0)
3628 FROM "issue" CROSS JOIN "opinion"
3629 JOIN "direct_interest_snapshot" AS "snapshot"
3630 ON "snapshot"."issue_id" = "issue"."id"
3631 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3632 AND "snapshot"."member_id" = "opinion"."member_id"
3633 WHERE "issue"."id" = "issue_id_p"
3634 AND "opinion"."suggestion_id" = "suggestion_id_v"
3635 AND "opinion"."degree" = -2
3636 AND "opinion"."fulfilled" = TRUE
3637 ),
3638 "minus1_unfulfilled_count" = (
3639 SELECT coalesce(sum("snapshot"."weight"), 0)
3640 FROM "issue" CROSS JOIN "opinion"
3641 JOIN "direct_interest_snapshot" AS "snapshot"
3642 ON "snapshot"."issue_id" = "issue"."id"
3643 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3644 AND "snapshot"."member_id" = "opinion"."member_id"
3645 WHERE "issue"."id" = "issue_id_p"
3646 AND "opinion"."suggestion_id" = "suggestion_id_v"
3647 AND "opinion"."degree" = -1
3648 AND "opinion"."fulfilled" = FALSE
3649 ),
3650 "minus1_fulfilled_count" = (
3651 SELECT coalesce(sum("snapshot"."weight"), 0)
3652 FROM "issue" CROSS JOIN "opinion"
3653 JOIN "direct_interest_snapshot" AS "snapshot"
3654 ON "snapshot"."issue_id" = "issue"."id"
3655 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3656 AND "snapshot"."member_id" = "opinion"."member_id"
3657 WHERE "issue"."id" = "issue_id_p"
3658 AND "opinion"."suggestion_id" = "suggestion_id_v"
3659 AND "opinion"."degree" = -1
3660 AND "opinion"."fulfilled" = TRUE
3661 ),
3662 "plus1_unfulfilled_count" = (
3663 SELECT coalesce(sum("snapshot"."weight"), 0)
3664 FROM "issue" CROSS JOIN "opinion"
3665 JOIN "direct_interest_snapshot" AS "snapshot"
3666 ON "snapshot"."issue_id" = "issue"."id"
3667 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3668 AND "snapshot"."member_id" = "opinion"."member_id"
3669 WHERE "issue"."id" = "issue_id_p"
3670 AND "opinion"."suggestion_id" = "suggestion_id_v"
3671 AND "opinion"."degree" = 1
3672 AND "opinion"."fulfilled" = FALSE
3673 ),
3674 "plus1_fulfilled_count" = (
3675 SELECT coalesce(sum("snapshot"."weight"), 0)
3676 FROM "issue" CROSS JOIN "opinion"
3677 JOIN "direct_interest_snapshot" AS "snapshot"
3678 ON "snapshot"."issue_id" = "issue"."id"
3679 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3680 AND "snapshot"."member_id" = "opinion"."member_id"
3681 WHERE "issue"."id" = "issue_id_p"
3682 AND "opinion"."suggestion_id" = "suggestion_id_v"
3683 AND "opinion"."degree" = 1
3684 AND "opinion"."fulfilled" = TRUE
3685 ),
3686 "plus2_unfulfilled_count" = (
3687 SELECT coalesce(sum("snapshot"."weight"), 0)
3688 FROM "issue" CROSS JOIN "opinion"
3689 JOIN "direct_interest_snapshot" AS "snapshot"
3690 ON "snapshot"."issue_id" = "issue"."id"
3691 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3692 AND "snapshot"."member_id" = "opinion"."member_id"
3693 WHERE "issue"."id" = "issue_id_p"
3694 AND "opinion"."suggestion_id" = "suggestion_id_v"
3695 AND "opinion"."degree" = 2
3696 AND "opinion"."fulfilled" = FALSE
3697 ),
3698 "plus2_fulfilled_count" = (
3699 SELECT coalesce(sum("snapshot"."weight"), 0)
3700 FROM "issue" CROSS JOIN "opinion"
3701 JOIN "direct_interest_snapshot" AS "snapshot"
3702 ON "snapshot"."issue_id" = "issue"."id"
3703 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3704 AND "snapshot"."member_id" = "opinion"."member_id"
3705 WHERE "issue"."id" = "issue_id_p"
3706 AND "opinion"."suggestion_id" = "suggestion_id_v"
3707 AND "opinion"."degree" = 2
3708 AND "opinion"."fulfilled" = TRUE
3710 WHERE "suggestion"."id" = "suggestion_id_v";
3711 END LOOP;
3712 END LOOP;
3713 RETURN;
3714 END;
3715 $$;
3717 COMMENT ON FUNCTION "create_snapshot"
3718 ( "issue"."id"%TYPE )
3719 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.';
3722 CREATE FUNCTION "set_snapshot_event"
3723 ( "issue_id_p" "issue"."id"%TYPE,
3724 "event_p" "snapshot_event" )
3725 RETURNS VOID
3726 LANGUAGE 'plpgsql' VOLATILE AS $$
3727 DECLARE
3728 "event_v" "issue"."latest_snapshot_event"%TYPE;
3729 BEGIN
3730 PERFORM "require_transaction_isolation"();
3731 SELECT "latest_snapshot_event" INTO "event_v" FROM "issue"
3732 WHERE "id" = "issue_id_p" FOR UPDATE;
3733 UPDATE "issue" SET "latest_snapshot_event" = "event_p"
3734 WHERE "id" = "issue_id_p";
3735 UPDATE "direct_population_snapshot" SET "event" = "event_p"
3736 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
3737 UPDATE "delegating_population_snapshot" SET "event" = "event_p"
3738 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
3739 UPDATE "direct_interest_snapshot" SET "event" = "event_p"
3740 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
3741 UPDATE "delegating_interest_snapshot" SET "event" = "event_p"
3742 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
3743 UPDATE "direct_supporter_snapshot" SET "event" = "event_p"
3744 FROM "initiative" -- NOTE: due to missing index on issue_id
3745 WHERE "initiative"."issue_id" = "issue_id_p"
3746 AND "direct_supporter_snapshot"."initiative_id" = "initiative"."id"
3747 AND "direct_supporter_snapshot"."event" = "event_v";
3748 RETURN;
3749 END;
3750 $$;
3752 COMMENT ON FUNCTION "set_snapshot_event"
3753 ( "issue"."id"%TYPE,
3754 "snapshot_event" )
3755 IS 'Change "event" attribute of the previous ''periodic'' snapshot';
3759 -----------------------
3760 -- Counting of votes --
3761 -----------------------
3764 CREATE FUNCTION "weight_of_added_vote_delegations"
3765 ( "issue_id_p" "issue"."id"%TYPE,
3766 "member_id_p" "member"."id"%TYPE,
3767 "delegate_member_ids_p" "delegating_voter"."delegate_member_ids"%TYPE )
3768 RETURNS "direct_voter"."weight"%TYPE
3769 LANGUAGE 'plpgsql' VOLATILE AS $$
3770 DECLARE
3771 "issue_delegation_row" "issue_delegation"%ROWTYPE;
3772 "delegate_member_ids_v" "delegating_voter"."delegate_member_ids"%TYPE;
3773 "weight_v" INT4;
3774 "sub_weight_v" INT4;
3775 BEGIN
3776 PERFORM "require_transaction_isolation"();
3777 "weight_v" := 0;
3778 FOR "issue_delegation_row" IN
3779 SELECT * FROM "issue_delegation"
3780 WHERE "trustee_id" = "member_id_p"
3781 AND "issue_id" = "issue_id_p"
3782 LOOP
3783 IF NOT EXISTS (
3784 SELECT NULL FROM "direct_voter"
3785 WHERE "member_id" = "issue_delegation_row"."truster_id"
3786 AND "issue_id" = "issue_id_p"
3787 ) AND NOT EXISTS (
3788 SELECT NULL FROM "delegating_voter"
3789 WHERE "member_id" = "issue_delegation_row"."truster_id"
3790 AND "issue_id" = "issue_id_p"
3791 ) THEN
3792 "delegate_member_ids_v" :=
3793 "member_id_p" || "delegate_member_ids_p";
3794 INSERT INTO "delegating_voter" (
3795 "issue_id",
3796 "member_id",
3797 "scope",
3798 "delegate_member_ids"
3799 ) VALUES (
3800 "issue_id_p",
3801 "issue_delegation_row"."truster_id",
3802 "issue_delegation_row"."scope",
3803 "delegate_member_ids_v"
3804 );
3805 "sub_weight_v" := 1 +
3806 "weight_of_added_vote_delegations"(
3807 "issue_id_p",
3808 "issue_delegation_row"."truster_id",
3809 "delegate_member_ids_v"
3810 );
3811 UPDATE "delegating_voter"
3812 SET "weight" = "sub_weight_v"
3813 WHERE "issue_id" = "issue_id_p"
3814 AND "member_id" = "issue_delegation_row"."truster_id";
3815 "weight_v" := "weight_v" + "sub_weight_v";
3816 END IF;
3817 END LOOP;
3818 RETURN "weight_v";
3819 END;
3820 $$;
3822 COMMENT ON FUNCTION "weight_of_added_vote_delegations"
3823 ( "issue"."id"%TYPE,
3824 "member"."id"%TYPE,
3825 "delegating_voter"."delegate_member_ids"%TYPE )
3826 IS 'Helper function for "add_vote_delegations" function';
3829 CREATE FUNCTION "add_vote_delegations"
3830 ( "issue_id_p" "issue"."id"%TYPE )
3831 RETURNS VOID
3832 LANGUAGE 'plpgsql' VOLATILE AS $$
3833 DECLARE
3834 "member_id_v" "member"."id"%TYPE;
3835 BEGIN
3836 PERFORM "require_transaction_isolation"();
3837 FOR "member_id_v" IN
3838 SELECT "member_id" FROM "direct_voter"
3839 WHERE "issue_id" = "issue_id_p"
3840 LOOP
3841 UPDATE "direct_voter" SET
3842 "weight" = "weight" + "weight_of_added_vote_delegations"(
3843 "issue_id_p",
3844 "member_id_v",
3845 '{}'
3847 WHERE "member_id" = "member_id_v"
3848 AND "issue_id" = "issue_id_p";
3849 END LOOP;
3850 RETURN;
3851 END;
3852 $$;
3854 COMMENT ON FUNCTION "add_vote_delegations"
3855 ( "issue_id_p" "issue"."id"%TYPE )
3856 IS 'Helper function for "close_voting" function';
3859 CREATE FUNCTION "close_voting"("issue_id_p" "issue"."id"%TYPE)
3860 RETURNS VOID
3861 LANGUAGE 'plpgsql' VOLATILE AS $$
3862 DECLARE
3863 "area_id_v" "area"."id"%TYPE;
3864 "unit_id_v" "unit"."id"%TYPE;
3865 "member_id_v" "member"."id"%TYPE;
3866 BEGIN
3867 PERFORM "require_transaction_isolation"();
3868 SELECT "area_id" INTO "area_id_v" FROM "issue" WHERE "id" = "issue_id_p";
3869 SELECT "unit_id" INTO "unit_id_v" FROM "area" WHERE "id" = "area_id_v";
3870 -- override protection triggers:
3871 INSERT INTO "temporary_transaction_data" ("key", "value")
3872 VALUES ('override_protection_triggers', TRUE::TEXT);
3873 -- delete timestamp of voting comment:
3874 UPDATE "direct_voter" SET "comment_changed" = NULL
3875 WHERE "issue_id" = "issue_id_p";
3876 -- delete delegating votes (in cases of manual reset of issue state):
3877 DELETE FROM "delegating_voter"
3878 WHERE "issue_id" = "issue_id_p";
3879 -- delete votes from non-privileged voters:
3880 DELETE FROM "direct_voter"
3881 USING (
3882 SELECT
3883 "direct_voter"."member_id"
3884 FROM "direct_voter"
3885 JOIN "member" ON "direct_voter"."member_id" = "member"."id"
3886 LEFT JOIN "privilege"
3887 ON "privilege"."unit_id" = "unit_id_v"
3888 AND "privilege"."member_id" = "direct_voter"."member_id"
3889 WHERE "direct_voter"."issue_id" = "issue_id_p" AND (
3890 "member"."active" = FALSE OR
3891 "privilege"."voting_right" ISNULL OR
3892 "privilege"."voting_right" = FALSE
3894 ) AS "subquery"
3895 WHERE "direct_voter"."issue_id" = "issue_id_p"
3896 AND "direct_voter"."member_id" = "subquery"."member_id";
3897 -- consider delegations:
3898 UPDATE "direct_voter" SET "weight" = 1
3899 WHERE "issue_id" = "issue_id_p";
3900 PERFORM "add_vote_delegations"("issue_id_p");
3901 -- mark first preferences:
3902 UPDATE "vote" SET "first_preference" = "subquery"."first_preference"
3903 FROM (
3904 SELECT
3905 "vote"."initiative_id",
3906 "vote"."member_id",
3907 CASE WHEN "vote"."grade" > 0 THEN
3908 CASE WHEN "vote"."grade" = max("agg"."grade") THEN TRUE ELSE FALSE END
3909 ELSE NULL
3910 END AS "first_preference"
3911 FROM "vote"
3912 JOIN "initiative" -- NOTE: due to missing index on issue_id
3913 ON "vote"."issue_id" = "initiative"."issue_id"
3914 JOIN "vote" AS "agg"
3915 ON "initiative"."id" = "agg"."initiative_id"
3916 AND "vote"."member_id" = "agg"."member_id"
3917 GROUP BY "vote"."initiative_id", "vote"."member_id", "vote"."grade"
3918 ) AS "subquery"
3919 WHERE "vote"."issue_id" = "issue_id_p"
3920 AND "vote"."initiative_id" = "subquery"."initiative_id"
3921 AND "vote"."member_id" = "subquery"."member_id";
3922 -- finish overriding protection triggers (avoids garbage):
3923 DELETE FROM "temporary_transaction_data"
3924 WHERE "key" = 'override_protection_triggers';
3925 -- materialize battle_view:
3926 -- NOTE: "closed" column of issue must be set at this point
3927 DELETE FROM "battle" WHERE "issue_id" = "issue_id_p";
3928 INSERT INTO "battle" (
3929 "issue_id",
3930 "winning_initiative_id", "losing_initiative_id",
3931 "count"
3932 ) SELECT
3933 "issue_id",
3934 "winning_initiative_id", "losing_initiative_id",
3935 "count"
3936 FROM "battle_view" WHERE "issue_id" = "issue_id_p";
3937 -- set voter count:
3938 UPDATE "issue" SET
3939 "voter_count" = (
3940 SELECT coalesce(sum("weight"), 0)
3941 FROM "direct_voter" WHERE "issue_id" = "issue_id_p"
3943 WHERE "id" = "issue_id_p";
3944 -- copy "positive_votes" and "negative_votes" from "battle" table:
3945 -- NOTE: "first_preference_votes" is set to a default of 0 at this step
3946 UPDATE "initiative" SET
3947 "first_preference_votes" = 0,
3948 "positive_votes" = "battle_win"."count",
3949 "negative_votes" = "battle_lose"."count"
3950 FROM "battle" AS "battle_win", "battle" AS "battle_lose"
3951 WHERE
3952 "battle_win"."issue_id" = "issue_id_p" AND
3953 "battle_win"."winning_initiative_id" = "initiative"."id" AND
3954 "battle_win"."losing_initiative_id" ISNULL AND
3955 "battle_lose"."issue_id" = "issue_id_p" AND
3956 "battle_lose"."losing_initiative_id" = "initiative"."id" AND
3957 "battle_lose"."winning_initiative_id" ISNULL;
3958 -- calculate "first_preference_votes":
3959 -- NOTE: will only set values not equal to zero
3960 UPDATE "initiative" SET "first_preference_votes" = "subquery"."sum"
3961 FROM (
3962 SELECT "vote"."initiative_id", sum("direct_voter"."weight")
3963 FROM "vote" JOIN "direct_voter"
3964 ON "vote"."issue_id" = "direct_voter"."issue_id"
3965 AND "vote"."member_id" = "direct_voter"."member_id"
3966 WHERE "vote"."first_preference"
3967 GROUP BY "vote"."initiative_id"
3968 ) AS "subquery"
3969 WHERE "initiative"."issue_id" = "issue_id_p"
3970 AND "initiative"."admitted"
3971 AND "initiative"."id" = "subquery"."initiative_id";
3972 END;
3973 $$;
3975 COMMENT ON FUNCTION "close_voting"
3976 ( "issue"."id"%TYPE )
3977 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.';
3980 CREATE FUNCTION "defeat_strength"
3981 ( "positive_votes_p" INT4,
3982 "negative_votes_p" INT4,
3983 "defeat_strength_p" "defeat_strength" )
3984 RETURNS INT8
3985 LANGUAGE 'plpgsql' IMMUTABLE AS $$
3986 BEGIN
3987 IF "defeat_strength_p" = 'simple'::"defeat_strength" THEN
3988 IF "positive_votes_p" > "negative_votes_p" THEN
3989 RETURN "positive_votes_p";
3990 ELSE
3991 RETURN 0;
3992 END IF;
3993 ELSE
3994 IF "positive_votes_p" > "negative_votes_p" THEN
3995 RETURN ("positive_votes_p"::INT8 << 31) - "negative_votes_p"::INT8;
3996 ELSIF "positive_votes_p" = "negative_votes_p" THEN
3997 RETURN 0;
3998 ELSE
3999 RETURN -1;
4000 END IF;
4001 END IF;
4002 END;
4003 $$;
4005 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")';
4008 CREATE FUNCTION "secondary_link_strength"
4009 ( "initiative1_ord_p" INT4,
4010 "initiative2_ord_p" INT4,
4011 "tie_breaking_p" "tie_breaking" )
4012 RETURNS INT8
4013 LANGUAGE 'plpgsql' IMMUTABLE AS $$
4014 BEGIN
4015 IF "initiative1_ord_p" = "initiative2_ord_p" THEN
4016 RAISE EXCEPTION 'Identical initiative ids passed to "secondary_link_strength" function (should not happen)';
4017 END IF;
4018 RETURN (
4019 CASE WHEN "tie_breaking_p" = 'simple'::"tie_breaking" THEN
4021 ELSE
4022 CASE WHEN "initiative1_ord_p" < "initiative2_ord_p" THEN
4023 1::INT8 << 62
4024 ELSE 0 END
4026 CASE WHEN "tie_breaking_p" = 'variant2'::"tie_breaking" THEN
4027 ("initiative2_ord_p"::INT8 << 31) - "initiative1_ord_p"::INT8
4028 ELSE
4029 "initiative2_ord_p"::INT8 - ("initiative1_ord_p"::INT8 << 31)
4030 END
4031 END
4032 );
4033 END;
4034 $$;
4036 COMMENT ON FUNCTION "secondary_link_strength"(INT4, INT4, "tie_breaking") IS 'Calculates a secondary criterion for the defeat strength (tie-breaking of the links)';
4039 CREATE TYPE "link_strength" AS (
4040 "primary" INT8,
4041 "secondary" INT8 );
4043 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'')';
4046 CREATE FUNCTION "find_best_paths"("matrix_d" "link_strength"[][])
4047 RETURNS "link_strength"[][]
4048 LANGUAGE 'plpgsql' IMMUTABLE AS $$
4049 DECLARE
4050 "dimension_v" INT4;
4051 "matrix_p" "link_strength"[][];
4052 "i" INT4;
4053 "j" INT4;
4054 "k" INT4;
4055 BEGIN
4056 "dimension_v" := array_upper("matrix_d", 1);
4057 "matrix_p" := "matrix_d";
4058 "i" := 1;
4059 LOOP
4060 "j" := 1;
4061 LOOP
4062 IF "i" != "j" THEN
4063 "k" := 1;
4064 LOOP
4065 IF "i" != "k" AND "j" != "k" THEN
4066 IF "matrix_p"["j"]["i"] < "matrix_p"["i"]["k"] THEN
4067 IF "matrix_p"["j"]["i"] > "matrix_p"["j"]["k"] THEN
4068 "matrix_p"["j"]["k"] := "matrix_p"["j"]["i"];
4069 END IF;
4070 ELSE
4071 IF "matrix_p"["i"]["k"] > "matrix_p"["j"]["k"] THEN
4072 "matrix_p"["j"]["k"] := "matrix_p"["i"]["k"];
4073 END IF;
4074 END IF;
4075 END IF;
4076 EXIT WHEN "k" = "dimension_v";
4077 "k" := "k" + 1;
4078 END LOOP;
4079 END IF;
4080 EXIT WHEN "j" = "dimension_v";
4081 "j" := "j" + 1;
4082 END LOOP;
4083 EXIT WHEN "i" = "dimension_v";
4084 "i" := "i" + 1;
4085 END LOOP;
4086 RETURN "matrix_p";
4087 END;
4088 $$;
4090 COMMENT ON FUNCTION "find_best_paths"("link_strength"[][]) IS 'Computes the strengths of the best beat-paths from a square matrix';
4093 CREATE FUNCTION "calculate_ranks"("issue_id_p" "issue"."id"%TYPE)
4094 RETURNS VOID
4095 LANGUAGE 'plpgsql' VOLATILE AS $$
4096 DECLARE
4097 "issue_row" "issue"%ROWTYPE;
4098 "policy_row" "policy"%ROWTYPE;
4099 "dimension_v" INT4;
4100 "matrix_a" INT4[][]; -- absolute votes
4101 "matrix_d" "link_strength"[][]; -- defeat strength (direct)
4102 "matrix_p" "link_strength"[][]; -- defeat strength (best path)
4103 "matrix_t" "link_strength"[][]; -- defeat strength (tie-breaking)
4104 "matrix_f" BOOLEAN[][]; -- forbidden link (tie-breaking)
4105 "matrix_b" BOOLEAN[][]; -- final order (who beats who)
4106 "i" INT4;
4107 "j" INT4;
4108 "m" INT4;
4109 "n" INT4;
4110 "battle_row" "battle"%ROWTYPE;
4111 "rank_ary" INT4[];
4112 "rank_v" INT4;
4113 "initiative_id_v" "initiative"."id"%TYPE;
4114 BEGIN
4115 PERFORM "require_transaction_isolation"();
4116 SELECT * INTO "issue_row"
4117 FROM "issue" WHERE "id" = "issue_id_p";
4118 SELECT * INTO "policy_row"
4119 FROM "policy" WHERE "id" = "issue_row"."policy_id";
4120 SELECT count(1) INTO "dimension_v"
4121 FROM "battle_participant" WHERE "issue_id" = "issue_id_p";
4122 -- create "matrix_a" with absolute number of votes in pairwise
4123 -- comparison:
4124 "matrix_a" := array_fill(NULL::INT4, ARRAY["dimension_v", "dimension_v"]);
4125 "i" := 1;
4126 "j" := 2;
4127 FOR "battle_row" IN
4128 SELECT * FROM "battle" WHERE "issue_id" = "issue_id_p"
4129 ORDER BY
4130 "winning_initiative_id" NULLS FIRST,
4131 "losing_initiative_id" NULLS FIRST
4132 LOOP
4133 "matrix_a"["i"]["j"] := "battle_row"."count";
4134 IF "j" = "dimension_v" THEN
4135 "i" := "i" + 1;
4136 "j" := 1;
4137 ELSE
4138 "j" := "j" + 1;
4139 IF "j" = "i" THEN
4140 "j" := "j" + 1;
4141 END IF;
4142 END IF;
4143 END LOOP;
4144 IF "i" != "dimension_v" OR "j" != "dimension_v" + 1 THEN
4145 RAISE EXCEPTION 'Wrong battle count (should not happen)';
4146 END IF;
4147 -- store direct defeat strengths in "matrix_d" using "defeat_strength"
4148 -- and "secondary_link_strength" functions:
4149 "matrix_d" := array_fill(NULL::INT8, ARRAY["dimension_v", "dimension_v"]);
4150 "i" := 1;
4151 LOOP
4152 "j" := 1;
4153 LOOP
4154 IF "i" != "j" THEN
4155 "matrix_d"["i"]["j"] := (
4156 "defeat_strength"(
4157 "matrix_a"["i"]["j"],
4158 "matrix_a"["j"]["i"],
4159 "policy_row"."defeat_strength"
4160 ),
4161 "secondary_link_strength"(
4162 "i",
4163 "j",
4164 "policy_row"."tie_breaking"
4166 )::"link_strength";
4167 END IF;
4168 EXIT WHEN "j" = "dimension_v";
4169 "j" := "j" + 1;
4170 END LOOP;
4171 EXIT WHEN "i" = "dimension_v";
4172 "i" := "i" + 1;
4173 END LOOP;
4174 -- find best paths:
4175 "matrix_p" := "find_best_paths"("matrix_d");
4176 -- create partial order:
4177 "matrix_b" := array_fill(NULL::BOOLEAN, ARRAY["dimension_v", "dimension_v"]);
4178 "i" := 1;
4179 LOOP
4180 "j" := "i" + 1;
4181 LOOP
4182 IF "i" != "j" THEN
4183 IF "matrix_p"["i"]["j"] > "matrix_p"["j"]["i"] THEN
4184 "matrix_b"["i"]["j"] := TRUE;
4185 "matrix_b"["j"]["i"] := FALSE;
4186 ELSIF "matrix_p"["i"]["j"] < "matrix_p"["j"]["i"] THEN
4187 "matrix_b"["i"]["j"] := FALSE;
4188 "matrix_b"["j"]["i"] := TRUE;
4189 END IF;
4190 END IF;
4191 EXIT WHEN "j" = "dimension_v";
4192 "j" := "j" + 1;
4193 END LOOP;
4194 EXIT WHEN "i" = "dimension_v" - 1;
4195 "i" := "i" + 1;
4196 END LOOP;
4197 -- tie-breaking by forbidding shared weakest links in beat-paths
4198 -- (unless "tie_breaking" is set to 'simple', in which case tie-breaking
4199 -- is performed later by initiative id):
4200 IF "policy_row"."tie_breaking" != 'simple'::"tie_breaking" THEN
4201 "m" := 1;
4202 LOOP
4203 "n" := "m" + 1;
4204 LOOP
4205 -- only process those candidates m and n, which are tied:
4206 IF "matrix_b"["m"]["n"] ISNULL THEN
4207 -- start with beat-paths prior tie-breaking:
4208 "matrix_t" := "matrix_p";
4209 -- start with all links allowed:
4210 "matrix_f" := array_fill(FALSE, ARRAY["dimension_v", "dimension_v"]);
4211 LOOP
4212 -- determine (and forbid) that link that is the weakest link
4213 -- in both the best path from candidate m to candidate n and
4214 -- from candidate n to candidate m:
4215 "i" := 1;
4216 <<forbid_one_link>>
4217 LOOP
4218 "j" := 1;
4219 LOOP
4220 IF "i" != "j" THEN
4221 IF "matrix_d"["i"]["j"] = "matrix_t"["m"]["n"] THEN
4222 "matrix_f"["i"]["j"] := TRUE;
4223 -- exit for performance reasons,
4224 -- as exactly one link will be found:
4225 EXIT forbid_one_link;
4226 END IF;
4227 END IF;
4228 EXIT WHEN "j" = "dimension_v";
4229 "j" := "j" + 1;
4230 END LOOP;
4231 IF "i" = "dimension_v" THEN
4232 RAISE EXCEPTION 'Did not find shared weakest link for tie-breaking (should not happen)';
4233 END IF;
4234 "i" := "i" + 1;
4235 END LOOP;
4236 -- calculate best beat-paths while ignoring forbidden links:
4237 "i" := 1;
4238 LOOP
4239 "j" := 1;
4240 LOOP
4241 IF "i" != "j" THEN
4242 "matrix_t"["i"]["j"] := CASE
4243 WHEN "matrix_f"["i"]["j"]
4244 THEN ((-1::INT8) << 63, 0)::"link_strength" -- worst possible value
4245 ELSE "matrix_d"["i"]["j"] END;
4246 END IF;
4247 EXIT WHEN "j" = "dimension_v";
4248 "j" := "j" + 1;
4249 END LOOP;
4250 EXIT WHEN "i" = "dimension_v";
4251 "i" := "i" + 1;
4252 END LOOP;
4253 "matrix_t" := "find_best_paths"("matrix_t");
4254 -- extend partial order, if tie-breaking was successful:
4255 IF "matrix_t"["m"]["n"] > "matrix_t"["n"]["m"] THEN
4256 "matrix_b"["m"]["n"] := TRUE;
4257 "matrix_b"["n"]["m"] := FALSE;
4258 EXIT;
4259 ELSIF "matrix_t"["m"]["n"] < "matrix_t"["n"]["m"] THEN
4260 "matrix_b"["m"]["n"] := FALSE;
4261 "matrix_b"["n"]["m"] := TRUE;
4262 EXIT;
4263 END IF;
4264 END LOOP;
4265 END IF;
4266 EXIT WHEN "n" = "dimension_v";
4267 "n" := "n" + 1;
4268 END LOOP;
4269 EXIT WHEN "m" = "dimension_v" - 1;
4270 "m" := "m" + 1;
4271 END LOOP;
4272 END IF;
4273 -- store a unique ranking in "rank_ary":
4274 "rank_ary" := array_fill(NULL::INT4, ARRAY["dimension_v"]);
4275 "rank_v" := 1;
4276 LOOP
4277 "i" := 1;
4278 <<assign_next_rank>>
4279 LOOP
4280 IF "rank_ary"["i"] ISNULL THEN
4281 "j" := 1;
4282 LOOP
4283 IF
4284 "i" != "j" AND
4285 "rank_ary"["j"] ISNULL AND
4286 ( "matrix_b"["j"]["i"] OR
4287 -- tie-breaking by "id"
4288 ( "matrix_b"["j"]["i"] ISNULL AND
4289 "j" < "i" ) )
4290 THEN
4291 -- someone else is better
4292 EXIT;
4293 END IF;
4294 IF "j" = "dimension_v" THEN
4295 -- noone is better
4296 "rank_ary"["i"] := "rank_v";
4297 EXIT assign_next_rank;
4298 END IF;
4299 "j" := "j" + 1;
4300 END LOOP;
4301 END IF;
4302 "i" := "i" + 1;
4303 IF "i" > "dimension_v" THEN
4304 RAISE EXCEPTION 'Schulze ranking does not compute (should not happen)';
4305 END IF;
4306 END LOOP;
4307 EXIT WHEN "rank_v" = "dimension_v";
4308 "rank_v" := "rank_v" + 1;
4309 END LOOP;
4310 -- write preliminary results:
4311 "i" := 2; -- omit status quo with "i" = 1
4312 FOR "initiative_id_v" IN
4313 SELECT "id" FROM "initiative"
4314 WHERE "issue_id" = "issue_id_p" AND "admitted"
4315 ORDER BY "id"
4316 LOOP
4317 UPDATE "initiative" SET
4318 "direct_majority" =
4319 CASE WHEN "policy_row"."direct_majority_strict" THEN
4320 "positive_votes" * "policy_row"."direct_majority_den" >
4321 "policy_row"."direct_majority_num" * ("positive_votes"+"negative_votes")
4322 ELSE
4323 "positive_votes" * "policy_row"."direct_majority_den" >=
4324 "policy_row"."direct_majority_num" * ("positive_votes"+"negative_votes")
4325 END
4326 AND "positive_votes" >= "policy_row"."direct_majority_positive"
4327 AND "issue_row"."voter_count"-"negative_votes" >=
4328 "policy_row"."direct_majority_non_negative",
4329 "indirect_majority" =
4330 CASE WHEN "policy_row"."indirect_majority_strict" THEN
4331 "positive_votes" * "policy_row"."indirect_majority_den" >
4332 "policy_row"."indirect_majority_num" * ("positive_votes"+"negative_votes")
4333 ELSE
4334 "positive_votes" * "policy_row"."indirect_majority_den" >=
4335 "policy_row"."indirect_majority_num" * ("positive_votes"+"negative_votes")
4336 END
4337 AND "positive_votes" >= "policy_row"."indirect_majority_positive"
4338 AND "issue_row"."voter_count"-"negative_votes" >=
4339 "policy_row"."indirect_majority_non_negative",
4340 "schulze_rank" = "rank_ary"["i"],
4341 "better_than_status_quo" = "rank_ary"["i"] < "rank_ary"[1],
4342 "worse_than_status_quo" = "rank_ary"["i"] > "rank_ary"[1],
4343 "multistage_majority" = "rank_ary"["i"] >= "rank_ary"[1],
4344 "reverse_beat_path" = CASE WHEN "policy_row"."defeat_strength" = 'simple'::"defeat_strength"
4345 THEN NULL
4346 ELSE "matrix_p"[1]["i"]."primary" >= 0 END,
4347 "eligible" = FALSE,
4348 "winner" = FALSE,
4349 "rank" = NULL -- NOTE: in cases of manual reset of issue state
4350 WHERE "id" = "initiative_id_v";
4351 "i" := "i" + 1;
4352 END LOOP;
4353 IF "i" != "dimension_v" + 1 THEN
4354 RAISE EXCEPTION 'Wrong winner count (should not happen)';
4355 END IF;
4356 -- take indirect majorities into account:
4357 LOOP
4358 UPDATE "initiative" SET "indirect_majority" = TRUE
4359 FROM (
4360 SELECT "new_initiative"."id" AS "initiative_id"
4361 FROM "initiative" "old_initiative"
4362 JOIN "initiative" "new_initiative"
4363 ON "new_initiative"."issue_id" = "issue_id_p"
4364 AND "new_initiative"."indirect_majority" = FALSE
4365 JOIN "battle" "battle_win"
4366 ON "battle_win"."issue_id" = "issue_id_p"
4367 AND "battle_win"."winning_initiative_id" = "new_initiative"."id"
4368 AND "battle_win"."losing_initiative_id" = "old_initiative"."id"
4369 JOIN "battle" "battle_lose"
4370 ON "battle_lose"."issue_id" = "issue_id_p"
4371 AND "battle_lose"."losing_initiative_id" = "new_initiative"."id"
4372 AND "battle_lose"."winning_initiative_id" = "old_initiative"."id"
4373 WHERE "old_initiative"."issue_id" = "issue_id_p"
4374 AND "old_initiative"."indirect_majority" = TRUE
4375 AND CASE WHEN "policy_row"."indirect_majority_strict" THEN
4376 "battle_win"."count" * "policy_row"."indirect_majority_den" >
4377 "policy_row"."indirect_majority_num" *
4378 ("battle_win"."count"+"battle_lose"."count")
4379 ELSE
4380 "battle_win"."count" * "policy_row"."indirect_majority_den" >=
4381 "policy_row"."indirect_majority_num" *
4382 ("battle_win"."count"+"battle_lose"."count")
4383 END
4384 AND "battle_win"."count" >= "policy_row"."indirect_majority_positive"
4385 AND "issue_row"."voter_count"-"battle_lose"."count" >=
4386 "policy_row"."indirect_majority_non_negative"
4387 ) AS "subquery"
4388 WHERE "id" = "subquery"."initiative_id";
4389 EXIT WHEN NOT FOUND;
4390 END LOOP;
4391 -- set "multistage_majority" for remaining matching initiatives:
4392 UPDATE "initiative" SET "multistage_majority" = TRUE
4393 FROM (
4394 SELECT "losing_initiative"."id" AS "initiative_id"
4395 FROM "initiative" "losing_initiative"
4396 JOIN "initiative" "winning_initiative"
4397 ON "winning_initiative"."issue_id" = "issue_id_p"
4398 AND "winning_initiative"."admitted"
4399 JOIN "battle" "battle_win"
4400 ON "battle_win"."issue_id" = "issue_id_p"
4401 AND "battle_win"."winning_initiative_id" = "winning_initiative"."id"
4402 AND "battle_win"."losing_initiative_id" = "losing_initiative"."id"
4403 JOIN "battle" "battle_lose"
4404 ON "battle_lose"."issue_id" = "issue_id_p"
4405 AND "battle_lose"."losing_initiative_id" = "winning_initiative"."id"
4406 AND "battle_lose"."winning_initiative_id" = "losing_initiative"."id"
4407 WHERE "losing_initiative"."issue_id" = "issue_id_p"
4408 AND "losing_initiative"."admitted"
4409 AND "winning_initiative"."schulze_rank" <
4410 "losing_initiative"."schulze_rank"
4411 AND "battle_win"."count" > "battle_lose"."count"
4412 AND (
4413 "battle_win"."count" > "winning_initiative"."positive_votes" OR
4414 "battle_lose"."count" < "losing_initiative"."negative_votes" )
4415 ) AS "subquery"
4416 WHERE "id" = "subquery"."initiative_id";
4417 -- mark eligible initiatives:
4418 UPDATE "initiative" SET "eligible" = TRUE
4419 WHERE "issue_id" = "issue_id_p"
4420 AND "initiative"."direct_majority"
4421 AND "initiative"."indirect_majority"
4422 AND "initiative"."better_than_status_quo"
4423 AND (
4424 "policy_row"."no_multistage_majority" = FALSE OR
4425 "initiative"."multistage_majority" = FALSE )
4426 AND (
4427 "policy_row"."no_reverse_beat_path" = FALSE OR
4428 coalesce("initiative"."reverse_beat_path", FALSE) = FALSE );
4429 -- mark final winner:
4430 UPDATE "initiative" SET "winner" = TRUE
4431 FROM (
4432 SELECT "id" AS "initiative_id"
4433 FROM "initiative"
4434 WHERE "issue_id" = "issue_id_p" AND "eligible"
4435 ORDER BY
4436 "schulze_rank",
4437 "id"
4438 LIMIT 1
4439 ) AS "subquery"
4440 WHERE "id" = "subquery"."initiative_id";
4441 -- write (final) ranks:
4442 "rank_v" := 1;
4443 FOR "initiative_id_v" IN
4444 SELECT "id"
4445 FROM "initiative"
4446 WHERE "issue_id" = "issue_id_p" AND "admitted"
4447 ORDER BY
4448 "winner" DESC,
4449 "eligible" DESC,
4450 "schulze_rank",
4451 "id"
4452 LOOP
4453 UPDATE "initiative" SET "rank" = "rank_v"
4454 WHERE "id" = "initiative_id_v";
4455 "rank_v" := "rank_v" + 1;
4456 END LOOP;
4457 -- set schulze rank of status quo and mark issue as finished:
4458 UPDATE "issue" SET
4459 "status_quo_schulze_rank" = "rank_ary"[1],
4460 "state" =
4461 CASE WHEN EXISTS (
4462 SELECT NULL FROM "initiative"
4463 WHERE "issue_id" = "issue_id_p" AND "winner"
4464 ) THEN
4465 'finished_with_winner'::"issue_state"
4466 ELSE
4467 'finished_without_winner'::"issue_state"
4468 END,
4469 "closed" = "phase_finished",
4470 "phase_finished" = NULL
4471 WHERE "id" = "issue_id_p";
4472 RETURN;
4473 END;
4474 $$;
4476 COMMENT ON FUNCTION "calculate_ranks"
4477 ( "issue"."id"%TYPE )
4478 IS 'Determine ranking (Votes have to be counted first)';
4482 -----------------------------
4483 -- Automatic state changes --
4484 -----------------------------
4487 CREATE TYPE "check_issue_persistence" AS (
4488 "state" "issue_state",
4489 "phase_finished" BOOLEAN,
4490 "issue_revoked" BOOLEAN,
4491 "snapshot_created" BOOLEAN,
4492 "harmonic_weights_set" BOOLEAN,
4493 "closed_voting" BOOLEAN );
4495 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';
4498 CREATE FUNCTION "check_issue"
4499 ( "issue_id_p" "issue"."id"%TYPE,
4500 "persist" "check_issue_persistence" )
4501 RETURNS "check_issue_persistence"
4502 LANGUAGE 'plpgsql' VOLATILE AS $$
4503 DECLARE
4504 "issue_row" "issue"%ROWTYPE;
4505 "policy_row" "policy"%ROWTYPE;
4506 "initiative_row" "initiative"%ROWTYPE;
4507 "state_v" "issue_state";
4508 BEGIN
4509 PERFORM "require_transaction_isolation"();
4510 IF "persist" ISNULL THEN
4511 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p"
4512 FOR UPDATE;
4513 IF "issue_row"."closed" NOTNULL THEN
4514 RETURN NULL;
4515 END IF;
4516 "persist"."state" := "issue_row"."state";
4517 IF
4518 ( "issue_row"."state" = 'admission' AND now() >=
4519 "issue_row"."created" + "issue_row"."max_admission_time" ) OR
4520 ( "issue_row"."state" = 'discussion' AND now() >=
4521 "issue_row"."accepted" + "issue_row"."discussion_time" ) OR
4522 ( "issue_row"."state" = 'verification' AND now() >=
4523 "issue_row"."half_frozen" + "issue_row"."verification_time" ) OR
4524 ( "issue_row"."state" = 'voting' AND now() >=
4525 "issue_row"."fully_frozen" + "issue_row"."voting_time" )
4526 THEN
4527 "persist"."phase_finished" := TRUE;
4528 ELSE
4529 "persist"."phase_finished" := FALSE;
4530 END IF;
4531 IF
4532 NOT EXISTS (
4533 -- all initiatives are revoked
4534 SELECT NULL FROM "initiative"
4535 WHERE "issue_id" = "issue_id_p" AND "revoked" ISNULL
4536 ) AND (
4537 -- and issue has not been accepted yet
4538 "persist"."state" = 'admission' OR
4539 -- or verification time has elapsed
4540 ( "persist"."state" = 'verification' AND
4541 "persist"."phase_finished" ) OR
4542 -- or no initiatives have been revoked lately
4543 NOT EXISTS (
4544 SELECT NULL FROM "initiative"
4545 WHERE "issue_id" = "issue_id_p"
4546 AND now() < "revoked" + "issue_row"."verification_time"
4549 THEN
4550 "persist"."issue_revoked" := TRUE;
4551 ELSE
4552 "persist"."issue_revoked" := FALSE;
4553 END IF;
4554 IF "persist"."phase_finished" OR "persist"."issue_revoked" THEN
4555 UPDATE "issue" SET "phase_finished" = now()
4556 WHERE "id" = "issue_row"."id";
4557 RETURN "persist";
4558 ELSIF
4559 "persist"."state" IN ('admission', 'discussion', 'verification')
4560 THEN
4561 RETURN "persist";
4562 ELSE
4563 RETURN NULL;
4564 END IF;
4565 END IF;
4566 IF
4567 "persist"."state" IN ('admission', 'discussion', 'verification') AND
4568 coalesce("persist"."snapshot_created", FALSE) = FALSE
4569 THEN
4570 PERFORM "create_snapshot"("issue_id_p");
4571 "persist"."snapshot_created" = TRUE;
4572 IF "persist"."phase_finished" THEN
4573 IF "persist"."state" = 'admission' THEN
4574 PERFORM "set_snapshot_event"("issue_id_p", 'end_of_admission');
4575 ELSIF "persist"."state" = 'discussion' THEN
4576 PERFORM "set_snapshot_event"("issue_id_p", 'half_freeze');
4577 ELSIF "persist"."state" = 'verification' THEN
4578 PERFORM "set_snapshot_event"("issue_id_p", 'full_freeze');
4579 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p";
4580 SELECT * INTO "policy_row" FROM "policy"
4581 WHERE "id" = "issue_row"."policy_id";
4582 FOR "initiative_row" IN
4583 SELECT * FROM "initiative"
4584 WHERE "issue_id" = "issue_id_p" AND "revoked" ISNULL
4585 FOR UPDATE
4586 LOOP
4587 IF
4588 "initiative_row"."polling" OR (
4589 "initiative_row"."satisfied_supporter_count" > 0 AND
4590 "initiative_row"."satisfied_supporter_count" *
4591 "policy_row"."initiative_quorum_den" >=
4592 "issue_row"."population" * "policy_row"."initiative_quorum_num"
4594 THEN
4595 UPDATE "initiative" SET "admitted" = TRUE
4596 WHERE "id" = "initiative_row"."id";
4597 ELSE
4598 UPDATE "initiative" SET "admitted" = FALSE
4599 WHERE "id" = "initiative_row"."id";
4600 END IF;
4601 END LOOP;
4602 END IF;
4603 END IF;
4604 RETURN "persist";
4605 END IF;
4606 IF
4607 "persist"."state" IN ('admission', 'discussion', 'verification') AND
4608 coalesce("persist"."harmonic_weights_set", FALSE) = FALSE
4609 THEN
4610 PERFORM "set_harmonic_initiative_weights"("issue_id_p");
4611 "persist"."harmonic_weights_set" = TRUE;
4612 IF
4613 "persist"."phase_finished" OR
4614 "persist"."issue_revoked" OR
4615 "persist"."state" = 'admission'
4616 THEN
4617 RETURN "persist";
4618 ELSE
4619 RETURN NULL;
4620 END IF;
4621 END IF;
4622 IF "persist"."issue_revoked" THEN
4623 IF "persist"."state" = 'admission' THEN
4624 "state_v" := 'canceled_revoked_before_accepted';
4625 ELSIF "persist"."state" = 'discussion' THEN
4626 "state_v" := 'canceled_after_revocation_during_discussion';
4627 ELSIF "persist"."state" = 'verification' THEN
4628 "state_v" := 'canceled_after_revocation_during_verification';
4629 END IF;
4630 UPDATE "issue" SET
4631 "state" = "state_v",
4632 "closed" = "phase_finished",
4633 "phase_finished" = NULL
4634 WHERE "id" = "issue_id_p";
4635 RETURN NULL;
4636 END IF;
4637 IF "persist"."state" = 'admission' THEN
4638 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p"
4639 FOR UPDATE;
4640 SELECT * INTO "policy_row"
4641 FROM "policy" WHERE "id" = "issue_row"."policy_id";
4642 IF
4643 ( now() >=
4644 "issue_row"."created" + "issue_row"."min_admission_time" ) AND
4645 EXISTS (
4646 SELECT NULL FROM "initiative"
4647 WHERE "issue_id" = "issue_id_p"
4648 AND "supporter_count" > 0
4649 AND "supporter_count" * "policy_row"."issue_quorum_den"
4650 >= "issue_row"."population" * "policy_row"."issue_quorum_num"
4652 THEN
4653 UPDATE "issue" SET
4654 "state" = 'discussion',
4655 "accepted" = coalesce("phase_finished", now()),
4656 "phase_finished" = NULL
4657 WHERE "id" = "issue_id_p";
4658 ELSIF "issue_row"."phase_finished" NOTNULL THEN
4659 UPDATE "issue" SET
4660 "state" = 'canceled_issue_not_accepted',
4661 "closed" = "phase_finished",
4662 "phase_finished" = NULL
4663 WHERE "id" = "issue_id_p";
4664 END IF;
4665 RETURN NULL;
4666 END IF;
4667 IF "persist"."phase_finished" THEN
4668 IF "persist"."state" = 'discussion' THEN
4669 UPDATE "issue" SET
4670 "state" = 'verification',
4671 "half_frozen" = "phase_finished",
4672 "phase_finished" = NULL
4673 WHERE "id" = "issue_id_p";
4674 RETURN NULL;
4675 END IF;
4676 IF "persist"."state" = 'verification' THEN
4677 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p"
4678 FOR UPDATE;
4679 SELECT * INTO "policy_row" FROM "policy"
4680 WHERE "id" = "issue_row"."policy_id";
4681 IF EXISTS (
4682 SELECT NULL FROM "initiative"
4683 WHERE "issue_id" = "issue_id_p" AND "admitted" = TRUE
4684 ) THEN
4685 UPDATE "issue" SET
4686 "state" = 'voting',
4687 "fully_frozen" = "phase_finished",
4688 "phase_finished" = NULL
4689 WHERE "id" = "issue_id_p";
4690 ELSE
4691 UPDATE "issue" SET
4692 "state" = 'canceled_no_initiative_admitted',
4693 "fully_frozen" = "phase_finished",
4694 "closed" = "phase_finished",
4695 "phase_finished" = NULL
4696 WHERE "id" = "issue_id_p";
4697 -- NOTE: The following DELETE statements have effect only when
4698 -- issue state has been manipulated
4699 DELETE FROM "direct_voter" WHERE "issue_id" = "issue_id_p";
4700 DELETE FROM "delegating_voter" WHERE "issue_id" = "issue_id_p";
4701 DELETE FROM "battle" WHERE "issue_id" = "issue_id_p";
4702 END IF;
4703 RETURN NULL;
4704 END IF;
4705 IF "persist"."state" = 'voting' THEN
4706 IF coalesce("persist"."closed_voting", FALSE) = FALSE THEN
4707 PERFORM "close_voting"("issue_id_p");
4708 "persist"."closed_voting" = TRUE;
4709 RETURN "persist";
4710 END IF;
4711 PERFORM "calculate_ranks"("issue_id_p");
4712 RETURN NULL;
4713 END IF;
4714 END IF;
4715 RAISE WARNING 'should not happen';
4716 RETURN NULL;
4717 END;
4718 $$;
4720 COMMENT ON FUNCTION "check_issue"
4721 ( "issue"."id"%TYPE,
4722 "check_issue_persistence" )
4723 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")';
4726 CREATE FUNCTION "check_everything"()
4727 RETURNS VOID
4728 LANGUAGE 'plpgsql' VOLATILE AS $$
4729 DECLARE
4730 "issue_id_v" "issue"."id"%TYPE;
4731 "persist_v" "check_issue_persistence";
4732 BEGIN
4733 RAISE WARNING 'Function "check_everything" should only be used for development and debugging purposes';
4734 DELETE FROM "expired_session";
4735 PERFORM "check_activity"();
4736 PERFORM "calculate_member_counts"();
4737 FOR "issue_id_v" IN SELECT "id" FROM "open_issue" LOOP
4738 "persist_v" := NULL;
4739 LOOP
4740 "persist_v" := "check_issue"("issue_id_v", "persist_v");
4741 EXIT WHEN "persist_v" ISNULL;
4742 END LOOP;
4743 END LOOP;
4744 RETURN;
4745 END;
4746 $$;
4748 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.';
4752 ----------------------
4753 -- Deletion of data --
4754 ----------------------
4757 CREATE FUNCTION "clean_issue"("issue_id_p" "issue"."id"%TYPE)
4758 RETURNS VOID
4759 LANGUAGE 'plpgsql' VOLATILE AS $$
4760 BEGIN
4761 IF EXISTS (
4762 SELECT NULL FROM "issue" WHERE "id" = "issue_id_p" AND "cleaned" ISNULL
4763 ) THEN
4764 -- override protection triggers:
4765 INSERT INTO "temporary_transaction_data" ("key", "value")
4766 VALUES ('override_protection_triggers', TRUE::TEXT);
4767 -- clean data:
4768 DELETE FROM "delegating_voter"
4769 WHERE "issue_id" = "issue_id_p";
4770 DELETE FROM "direct_voter"
4771 WHERE "issue_id" = "issue_id_p";
4772 DELETE FROM "delegating_interest_snapshot"
4773 WHERE "issue_id" = "issue_id_p";
4774 DELETE FROM "direct_interest_snapshot"
4775 WHERE "issue_id" = "issue_id_p";
4776 DELETE FROM "delegating_population_snapshot"
4777 WHERE "issue_id" = "issue_id_p";
4778 DELETE FROM "direct_population_snapshot"
4779 WHERE "issue_id" = "issue_id_p";
4780 DELETE FROM "non_voter"
4781 WHERE "issue_id" = "issue_id_p";
4782 DELETE FROM "delegation"
4783 WHERE "issue_id" = "issue_id_p";
4784 DELETE FROM "supporter"
4785 USING "initiative" -- NOTE: due to missing index on issue_id
4786 WHERE "initiative"."issue_id" = "issue_id_p"
4787 AND "supporter"."initiative_id" = "initiative_id";
4788 -- mark issue as cleaned:
4789 UPDATE "issue" SET "cleaned" = now() WHERE "id" = "issue_id_p";
4790 -- finish overriding protection triggers (avoids garbage):
4791 DELETE FROM "temporary_transaction_data"
4792 WHERE "key" = 'override_protection_triggers';
4793 END IF;
4794 RETURN;
4795 END;
4796 $$;
4798 COMMENT ON FUNCTION "clean_issue"("issue"."id"%TYPE) IS 'Delete discussion data and votes belonging to an issue';
4801 CREATE FUNCTION "delete_member"("member_id_p" "member"."id"%TYPE)
4802 RETURNS VOID
4803 LANGUAGE 'plpgsql' VOLATILE AS $$
4804 BEGIN
4805 UPDATE "member" SET
4806 "last_login" = NULL,
4807 "last_delegation_check" = NULL,
4808 "login" = NULL,
4809 "password" = NULL,
4810 "authority" = NULL,
4811 "authority_uid" = NULL,
4812 "authority_login" = NULL,
4813 "locked" = TRUE,
4814 "active" = FALSE,
4815 "notify_email" = NULL,
4816 "notify_email_unconfirmed" = NULL,
4817 "notify_email_secret" = NULL,
4818 "notify_email_secret_expiry" = NULL,
4819 "notify_email_lock_expiry" = NULL,
4820 "login_recovery_expiry" = NULL,
4821 "password_reset_secret" = NULL,
4822 "password_reset_secret_expiry" = NULL,
4823 "organizational_unit" = NULL,
4824 "internal_posts" = NULL,
4825 "realname" = NULL,
4826 "birthday" = NULL,
4827 "address" = NULL,
4828 "email" = NULL,
4829 "xmpp_address" = NULL,
4830 "website" = NULL,
4831 "phone" = NULL,
4832 "mobile_phone" = NULL,
4833 "profession" = NULL,
4834 "external_memberships" = NULL,
4835 "external_posts" = NULL,
4836 "statement" = NULL
4837 WHERE "id" = "member_id_p";
4838 -- "text_search_data" is updated by triggers
4839 DELETE FROM "setting" WHERE "member_id" = "member_id_p";
4840 DELETE FROM "setting_map" WHERE "member_id" = "member_id_p";
4841 DELETE FROM "member_relation_setting" WHERE "member_id" = "member_id_p";
4842 DELETE FROM "member_image" WHERE "member_id" = "member_id_p";
4843 DELETE FROM "contact" WHERE "member_id" = "member_id_p";
4844 DELETE FROM "ignored_member" WHERE "member_id" = "member_id_p";
4845 DELETE FROM "session" WHERE "member_id" = "member_id_p";
4846 DELETE FROM "area_setting" WHERE "member_id" = "member_id_p";
4847 DELETE FROM "issue_setting" WHERE "member_id" = "member_id_p";
4848 DELETE FROM "ignored_initiative" WHERE "member_id" = "member_id_p";
4849 DELETE FROM "initiative_setting" WHERE "member_id" = "member_id_p";
4850 DELETE FROM "suggestion_setting" WHERE "member_id" = "member_id_p";
4851 DELETE FROM "membership" WHERE "member_id" = "member_id_p";
4852 DELETE FROM "delegation" WHERE "truster_id" = "member_id_p";
4853 DELETE FROM "non_voter" WHERE "member_id" = "member_id_p";
4854 DELETE FROM "direct_voter" USING "issue"
4855 WHERE "direct_voter"."issue_id" = "issue"."id"
4856 AND "issue"."closed" ISNULL
4857 AND "member_id" = "member_id_p";
4858 RETURN;
4859 END;
4860 $$;
4862 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)';
4865 CREATE FUNCTION "delete_private_data"()
4866 RETURNS VOID
4867 LANGUAGE 'plpgsql' VOLATILE AS $$
4868 BEGIN
4869 DELETE FROM "temporary_transaction_data";
4870 DELETE FROM "member" WHERE "activated" ISNULL;
4871 UPDATE "member" SET
4872 "invite_code" = NULL,
4873 "invite_code_expiry" = NULL,
4874 "admin_comment" = NULL,
4875 "last_login" = NULL,
4876 "last_delegation_check" = NULL,
4877 "login" = NULL,
4878 "password" = NULL,
4879 "authority" = NULL,
4880 "authority_uid" = NULL,
4881 "authority_login" = NULL,
4882 "lang" = NULL,
4883 "notify_email" = NULL,
4884 "notify_email_unconfirmed" = NULL,
4885 "notify_email_secret" = NULL,
4886 "notify_email_secret_expiry" = NULL,
4887 "notify_email_lock_expiry" = NULL,
4888 "notify_level" = NULL,
4889 "login_recovery_expiry" = NULL,
4890 "password_reset_secret" = NULL,
4891 "password_reset_secret_expiry" = NULL,
4892 "organizational_unit" = NULL,
4893 "internal_posts" = NULL,
4894 "realname" = NULL,
4895 "birthday" = NULL,
4896 "address" = NULL,
4897 "email" = NULL,
4898 "xmpp_address" = NULL,
4899 "website" = NULL,
4900 "phone" = NULL,
4901 "mobile_phone" = NULL,
4902 "profession" = NULL,
4903 "external_memberships" = NULL,
4904 "external_posts" = NULL,
4905 "formatting_engine" = NULL,
4906 "statement" = NULL;
4907 -- "text_search_data" is updated by triggers
4908 DELETE FROM "setting";
4909 DELETE FROM "setting_map";
4910 DELETE FROM "member_relation_setting";
4911 DELETE FROM "member_image";
4912 DELETE FROM "contact";
4913 DELETE FROM "ignored_member";
4914 DELETE FROM "session";
4915 DELETE FROM "area_setting";
4916 DELETE FROM "issue_setting";
4917 DELETE FROM "ignored_initiative";
4918 DELETE FROM "initiative_setting";
4919 DELETE FROM "suggestion_setting";
4920 DELETE FROM "non_voter";
4921 DELETE FROM "direct_voter" USING "issue"
4922 WHERE "direct_voter"."issue_id" = "issue"."id"
4923 AND "issue"."closed" ISNULL;
4924 RETURN;
4925 END;
4926 $$;
4928 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.';
4932 COMMIT;

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