liquid_feedback_core
view core.sql @ 469:c1e283fd6483
New view "new_issue_for_notification" (helper view for "issue_for_notification")
| author | jbe |
|---|---|
| date | Sat Mar 26 23:44:56 2016 +0100 (2016-03-26) |
| parents | c39ff9540f4d |
| children | a96c920cd6a5 |
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 "login_recovery_expiry" TIMESTAMPTZ,
124 "password_reset_secret" TEXT UNIQUE,
125 "password_reset_secret_expiry" TIMESTAMPTZ,
126 "name" TEXT UNIQUE,
127 "identification" TEXT UNIQUE,
128 "authentication" TEXT,
129 "organizational_unit" TEXT,
130 "internal_posts" TEXT,
131 "realname" TEXT,
132 "birthday" DATE,
133 "address" TEXT,
134 "email" TEXT,
135 "xmpp_address" TEXT,
136 "website" TEXT,
137 "phone" TEXT,
138 "mobile_phone" TEXT,
139 "profession" TEXT,
140 "external_memberships" TEXT,
141 "external_posts" TEXT,
142 "formatting_engine" TEXT,
143 "statement" TEXT,
144 "text_search_data" TSVECTOR,
145 CONSTRAINT "active_requires_activated_and_last_activity"
146 CHECK ("active" = FALSE OR ("activated" NOTNULL AND "last_activity" NOTNULL)),
147 CONSTRAINT "authority_requires_uid_and_vice_versa"
148 CHECK (("authority" NOTNULL) = ("authority_uid" NOTNULL)),
149 CONSTRAINT "authority_uid_unique_per_authority"
150 UNIQUE ("authority", "authority_uid"),
151 CONSTRAINT "authority_login_requires_authority"
152 CHECK ("authority" NOTNULL OR "authority_login" ISNULL),
153 CONSTRAINT "name_not_null_if_activated"
154 CHECK ("activated" ISNULL OR "name" NOTNULL) );
155 CREATE INDEX "member_authority_login_idx" ON "member" ("authority_login");
156 CREATE INDEX "member_active_idx" ON "member" ("active");
157 CREATE INDEX "member_text_search_data_idx" ON "member" USING gin ("text_search_data");
158 CREATE TRIGGER "update_text_search_data"
159 BEFORE INSERT OR UPDATE ON "member"
160 FOR EACH ROW EXECUTE PROCEDURE
161 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',
162 "name", "identification", "organizational_unit", "internal_posts",
163 "realname", "external_memberships", "external_posts", "statement" );
165 COMMENT ON TABLE "member" IS 'Users of the system, e.g. members of an organization';
167 COMMENT ON COLUMN "member"."created" IS 'Creation of member record and/or invite code';
168 COMMENT ON COLUMN "member"."invite_code" IS 'Optional invite code, to allow a member to initialize his/her account the first time';
169 COMMENT ON COLUMN "member"."invite_code_expiry" IS 'Expiry data/time for "invite_code"';
170 COMMENT ON COLUMN "member"."admin_comment" IS 'Hidden comment for administrative purposes';
171 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';
172 COMMENT ON COLUMN "member"."last_activity" IS 'Date of last activity of member; required to be set for "active" members';
173 COMMENT ON COLUMN "member"."last_login" IS 'Timestamp of last login';
174 COMMENT ON COLUMN "member"."last_delegation_check" IS 'Timestamp of last delegation check (i.e. confirmation of all unit and area delegations)';
175 COMMENT ON COLUMN "member"."login" IS 'Login name';
176 COMMENT ON COLUMN "member"."password" IS 'Password (preferably as crypto-hash, depending on the frontend or access layer)';
177 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)';
178 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)';
179 COMMENT ON COLUMN "member"."authority_login" IS 'Login name for external accounts (field is not unique!)';
180 COMMENT ON COLUMN "member"."locked" IS 'Locked members can not log in.';
181 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".';
182 COMMENT ON COLUMN "member"."admin" IS 'TRUE for admins, which can administrate other users and setup policies and areas';
183 COMMENT ON COLUMN "member"."lang" IS 'Language code of the preferred language of the member';
184 COMMENT ON COLUMN "member"."notify_email" IS 'Email address where notifications of the system are sent to';
185 COMMENT ON COLUMN "member"."notify_email_unconfirmed" IS 'Unconfirmed email address provided by the member to be copied into "notify_email" field after verification';
186 COMMENT ON COLUMN "member"."notify_email_secret" IS 'Secret sent to the address in "notify_email_unconformed"';
187 COMMENT ON COLUMN "member"."notify_email_secret_expiry" IS 'Expiry date/time for "notify_email_secret"';
188 COMMENT ON COLUMN "member"."notify_email_lock_expiry" IS 'Date/time until no further email confirmation mails may be sent (abuse protection)';
189 COMMENT ON COLUMN "member"."disable_notifications" IS 'TRUE if member does not want to receive notifications';
190 COMMENT ON COLUMN "member"."login_recovery_expiry" IS 'Date/time after which another login recovery attempt is allowed';
191 COMMENT ON COLUMN "member"."password_reset_secret" IS 'Secret string sent via e-mail for password recovery';
192 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';
193 COMMENT ON COLUMN "member"."name" IS 'Distinct name of the member, may be NULL if account has not been activated yet';
194 COMMENT ON COLUMN "member"."identification" IS 'Optional identification number or code of the member';
195 COMMENT ON COLUMN "member"."authentication" IS 'Information about how this member was authenticated';
196 COMMENT ON COLUMN "member"."organizational_unit" IS 'Branch or division of the organization the member belongs to';
197 COMMENT ON COLUMN "member"."internal_posts" IS 'Posts (offices) of the member inside the organization';
198 COMMENT ON COLUMN "member"."realname" IS 'Real name of the member, may be identical with "name"';
199 COMMENT ON COLUMN "member"."email" IS 'Published email address of the member; not used for system notifications';
200 COMMENT ON COLUMN "member"."external_memberships" IS 'Other organizations the member is involved in';
201 COMMENT ON COLUMN "member"."external_posts" IS 'Posts (offices) outside the organization';
202 COMMENT ON COLUMN "member"."formatting_engine" IS 'Allows different formatting engines (i.e. wiki formats) to be used for "member"."statement"';
203 COMMENT ON COLUMN "member"."statement" IS 'Freely chosen text of the member for his/her profile';
206 CREATE TABLE "member_history" (
207 "id" SERIAL8 PRIMARY KEY,
208 "member_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
209 "until" TIMESTAMPTZ NOT NULL DEFAULT now(),
210 "active" BOOLEAN NOT NULL,
211 "name" TEXT NOT NULL );
212 CREATE INDEX "member_history_member_id_idx" ON "member_history" ("member_id");
214 COMMENT ON TABLE "member_history" IS 'Filled by trigger; keeps information about old names and active flag of members';
216 COMMENT ON COLUMN "member_history"."id" IS 'Primary key, which can be used to sort entries correctly (and time warp resistant)';
217 COMMENT ON COLUMN "member_history"."until" IS 'Timestamp until the data was valid';
220 CREATE TABLE "rendered_member_statement" (
221 PRIMARY KEY ("member_id", "format"),
222 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
223 "format" TEXT,
224 "content" TEXT NOT NULL );
226 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)';
229 CREATE TABLE "subscription_time" (
230 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
231 "day_of_week" INT2 CONSTRAINT "day_of_week_range" CHECK ("day_of_week" BETWEEN 0 AND 6),
232 "time_of_day" TIME NOT NULL );
233 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);
234 CREATE UNIQUE INDEX "subscription_time_day_of_week_time_of_day_idx" ON "subscription_time" ("day_of_week", "time_of_day", "member_id");
236 COMMENT ON TABLE "subscription_time" IS 'Selects when a member receives digests on new user content in the system';
239 CREATE TABLE "setting" (
240 PRIMARY KEY ("member_id", "key"),
241 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
242 "key" TEXT NOT NULL,
243 "value" TEXT NOT NULL );
244 CREATE INDEX "setting_key_idx" ON "setting" ("key");
246 COMMENT ON TABLE "setting" IS 'Place to store a frontend specific setting for members as a string';
248 COMMENT ON COLUMN "setting"."key" IS 'Name of the setting, preceded by a frontend specific prefix';
251 CREATE TABLE "setting_map" (
252 PRIMARY KEY ("member_id", "key", "subkey"),
253 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
254 "key" TEXT NOT NULL,
255 "subkey" TEXT NOT NULL,
256 "value" TEXT NOT NULL );
257 CREATE INDEX "setting_map_key_idx" ON "setting_map" ("key");
259 COMMENT ON TABLE "setting_map" IS 'Place to store a frontend specific setting for members as a map of key value pairs';
261 COMMENT ON COLUMN "setting_map"."key" IS 'Name of the setting, preceded by a frontend specific prefix';
262 COMMENT ON COLUMN "setting_map"."subkey" IS 'Key of a map entry';
263 COMMENT ON COLUMN "setting_map"."value" IS 'Value of a map entry';
266 CREATE TABLE "member_relation_setting" (
267 PRIMARY KEY ("member_id", "key", "other_member_id"),
268 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
269 "key" TEXT NOT NULL,
270 "other_member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
271 "value" TEXT NOT NULL );
273 COMMENT ON TABLE "member_relation_setting" IS 'Place to store a frontend specific setting related to relations between members as a string';
276 CREATE TYPE "member_image_type" AS ENUM ('photo', 'avatar');
278 COMMENT ON TYPE "member_image_type" IS 'Types of images for a member';
281 CREATE TABLE "member_image" (
282 PRIMARY KEY ("member_id", "image_type", "scaled"),
283 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
284 "image_type" "member_image_type",
285 "scaled" BOOLEAN,
286 "content_type" TEXT,
287 "data" BYTEA NOT NULL );
289 COMMENT ON TABLE "member_image" IS 'Images of members';
291 COMMENT ON COLUMN "member_image"."scaled" IS 'FALSE for original image, TRUE for scaled version of the image';
294 CREATE TABLE "member_count" (
295 "calculated" TIMESTAMPTZ NOT NULL DEFAULT now(),
296 "total_count" INT4 NOT NULL );
298 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';
300 COMMENT ON COLUMN "member_count"."calculated" IS 'timestamp indicating when the total member count and area member counts were calculated';
301 COMMENT ON COLUMN "member_count"."total_count" IS 'Total count of active(!) members';
304 CREATE TABLE "contact" (
305 PRIMARY KEY ("member_id", "other_member_id"),
306 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
307 "other_member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
308 "public" BOOLEAN NOT NULL DEFAULT FALSE,
309 CONSTRAINT "cant_save_yourself_as_contact"
310 CHECK ("member_id" != "other_member_id") );
311 CREATE INDEX "contact_other_member_id_idx" ON "contact" ("other_member_id");
313 COMMENT ON TABLE "contact" IS 'Contact lists';
315 COMMENT ON COLUMN "contact"."member_id" IS 'Member having the contact list';
316 COMMENT ON COLUMN "contact"."other_member_id" IS 'Member referenced in the contact list';
317 COMMENT ON COLUMN "contact"."public" IS 'TRUE = display contact publically';
320 CREATE TABLE "ignored_member" (
321 PRIMARY KEY ("member_id", "other_member_id"),
322 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
323 "other_member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
324 CREATE INDEX "ignored_member_other_member_id_idx" ON "ignored_member" ("other_member_id");
326 COMMENT ON TABLE "ignored_member" IS 'Possibility to filter other members';
328 COMMENT ON COLUMN "ignored_member"."member_id" IS 'Member ignoring someone';
329 COMMENT ON COLUMN "ignored_member"."other_member_id" IS 'Member being ignored';
332 CREATE TABLE "session" (
333 "ident" TEXT PRIMARY KEY,
334 "additional_secret" TEXT,
335 "expiry" TIMESTAMPTZ NOT NULL DEFAULT now() + '24 hours',
336 "member_id" INT4 REFERENCES "member" ("id") ON DELETE SET NULL,
337 "authority" TEXT,
338 "authority_uid" TEXT,
339 "authority_login" TEXT,
340 "needs_delegation_check" BOOLEAN NOT NULL DEFAULT FALSE,
341 "lang" TEXT );
342 CREATE INDEX "session_expiry_idx" ON "session" ("expiry");
344 COMMENT ON TABLE "session" IS 'Sessions, i.e. for a web-frontend or API layer';
346 COMMENT ON COLUMN "session"."ident" IS 'Secret session identifier (i.e. random string)';
347 COMMENT ON COLUMN "session"."additional_secret" IS 'Additional field to store a secret, which can be used against CSRF attacks';
348 COMMENT ON COLUMN "session"."member_id" IS 'Reference to member, who is logged in';
349 COMMENT ON COLUMN "session"."authority" IS 'Temporary store for "member"."authority" during member account creation';
350 COMMENT ON COLUMN "session"."authority_uid" IS 'Temporary store for "member"."authority_uid" during member account creation';
351 COMMENT ON COLUMN "session"."authority_login" IS 'Temporary store for "member"."authority_login" during member account creation';
352 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';
353 COMMENT ON COLUMN "session"."lang" IS 'Language code of the selected language';
356 CREATE TYPE "defeat_strength" AS ENUM ('simple', 'tuple');
358 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';
361 CREATE TYPE "tie_breaking" AS ENUM ('simple', 'variant1', 'variant2');
363 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';
366 CREATE TABLE "policy" (
367 "id" SERIAL4 PRIMARY KEY,
368 "index" INT4 NOT NULL,
369 "active" BOOLEAN NOT NULL DEFAULT TRUE,
370 "name" TEXT NOT NULL UNIQUE,
371 "description" TEXT NOT NULL DEFAULT '',
372 "polling" BOOLEAN NOT NULL DEFAULT FALSE,
373 "min_admission_time" INTERVAL,
374 "max_admission_time" INTERVAL,
375 "discussion_time" INTERVAL,
376 "verification_time" INTERVAL,
377 "voting_time" INTERVAL,
378 "issue_quorum_num" INT4,
379 "issue_quorum_den" INT4,
380 "initiative_quorum_num" INT4 NOT NULL,
381 "initiative_quorum_den" INT4 NOT NULL,
382 "defeat_strength" "defeat_strength" NOT NULL DEFAULT 'tuple',
383 "tie_breaking" "tie_breaking" NOT NULL DEFAULT 'variant1',
384 "direct_majority_num" INT4 NOT NULL DEFAULT 1,
385 "direct_majority_den" INT4 NOT NULL DEFAULT 2,
386 "direct_majority_strict" BOOLEAN NOT NULL DEFAULT TRUE,
387 "direct_majority_positive" INT4 NOT NULL DEFAULT 0,
388 "direct_majority_non_negative" INT4 NOT NULL DEFAULT 0,
389 "indirect_majority_num" INT4 NOT NULL DEFAULT 1,
390 "indirect_majority_den" INT4 NOT NULL DEFAULT 2,
391 "indirect_majority_strict" BOOLEAN NOT NULL DEFAULT TRUE,
392 "indirect_majority_positive" INT4 NOT NULL DEFAULT 0,
393 "indirect_majority_non_negative" INT4 NOT NULL DEFAULT 0,
394 "no_reverse_beat_path" BOOLEAN NOT NULL DEFAULT FALSE,
395 "no_multistage_majority" BOOLEAN NOT NULL DEFAULT FALSE,
396 CONSTRAINT "timing" CHECK (
397 ( "polling" = FALSE AND
398 "min_admission_time" NOTNULL AND "max_admission_time" NOTNULL AND
399 "min_admission_time" <= "max_admission_time" AND
400 "discussion_time" NOTNULL AND
401 "verification_time" NOTNULL AND
402 "voting_time" NOTNULL ) OR
403 ( "polling" = TRUE AND
404 "min_admission_time" ISNULL AND "max_admission_time" ISNULL AND
405 "discussion_time" NOTNULL AND
406 "verification_time" NOTNULL AND
407 "voting_time" NOTNULL ) OR
408 ( "polling" = TRUE AND
409 "min_admission_time" ISNULL AND "max_admission_time" ISNULL AND
410 "discussion_time" ISNULL AND
411 "verification_time" ISNULL AND
412 "voting_time" ISNULL ) ),
413 CONSTRAINT "issue_quorum_if_and_only_if_not_polling" CHECK (
414 "polling" = ("issue_quorum_num" ISNULL) AND
415 "polling" = ("issue_quorum_den" ISNULL) ),
416 CONSTRAINT "no_reverse_beat_path_requires_tuple_defeat_strength" CHECK (
417 "defeat_strength" = 'tuple'::"defeat_strength" OR
418 "no_reverse_beat_path" = FALSE ) );
419 CREATE INDEX "policy_active_idx" ON "policy" ("active");
421 COMMENT ON TABLE "policy" IS 'Policies for a particular proceeding type (timelimits, quorum)';
423 COMMENT ON COLUMN "policy"."index" IS 'Determines the order in listings';
424 COMMENT ON COLUMN "policy"."active" IS 'TRUE = policy can be used for new issues';
425 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';
426 COMMENT ON COLUMN "policy"."min_admission_time" IS 'Minimum duration of issue state ''admission''; Minimum time an issue stays open';
427 COMMENT ON COLUMN "policy"."max_admission_time" IS 'Maximum duration of issue state ''admission''; Maximum time an issue stays open without being "accepted"';
428 COMMENT ON COLUMN "policy"."discussion_time" IS 'Duration of issue state ''discussion''; Regular time until an issue is "half_frozen" after being "accepted"';
429 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"';
430 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'')';
431 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''';
432 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''';
433 COMMENT ON COLUMN "policy"."initiative_quorum_num" IS 'Numerator of satisfied supporter quorum to be reached by an initiative to be "admitted" for voting';
434 COMMENT ON COLUMN "policy"."initiative_quorum_den" IS 'Denominator of satisfied supporter quorum to be reached by an initiative to be "admitted" for voting';
435 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';
436 COMMENT ON COLUMN "policy"."tie_breaking" IS 'Tie-breaker for the Schulze method; see type "tie_breaking"; ''variant1'' or ''variant2'' are recommended';
437 COMMENT ON COLUMN "policy"."direct_majority_num" IS 'Numerator of fraction of neccessary direct majority for initiatives to be attainable as winner';
438 COMMENT ON COLUMN "policy"."direct_majority_den" IS 'Denominator of fraction of neccessary direct majority for initaitives to be attainable as winner';
439 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.';
440 COMMENT ON COLUMN "policy"."direct_majority_positive" IS 'Absolute number of "positive_votes" neccessary for an initiative to be attainable as winner';
441 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';
442 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';
443 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';
444 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.';
445 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';
446 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';
447 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.';
448 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").';
451 CREATE TABLE "unit" (
452 "id" SERIAL4 PRIMARY KEY,
453 "parent_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
454 "active" BOOLEAN NOT NULL DEFAULT TRUE,
455 "name" TEXT NOT NULL,
456 "description" TEXT NOT NULL DEFAULT '',
457 "external_reference" TEXT,
458 "member_count" INT4,
459 "text_search_data" TSVECTOR );
460 CREATE INDEX "unit_root_idx" ON "unit" ("id") WHERE "parent_id" ISNULL;
461 CREATE INDEX "unit_parent_id_idx" ON "unit" ("parent_id");
462 CREATE INDEX "unit_active_idx" ON "unit" ("active");
463 CREATE INDEX "unit_text_search_data_idx" ON "unit" USING gin ("text_search_data");
464 CREATE TRIGGER "update_text_search_data"
465 BEFORE INSERT OR UPDATE ON "unit"
466 FOR EACH ROW EXECUTE PROCEDURE
467 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',
468 "name", "description" );
470 COMMENT ON TABLE "unit" IS 'Organizational units organized as trees; Delegations are not inherited through these trees.';
472 COMMENT ON COLUMN "unit"."parent_id" IS 'Parent id of tree node; Multiple roots allowed';
473 COMMENT ON COLUMN "unit"."active" IS 'TRUE means new issues can be created in areas of this unit';
474 COMMENT ON COLUMN "unit"."external_reference" IS 'Opaque data field to store an external reference';
475 COMMENT ON COLUMN "unit"."member_count" IS 'Count of members as determined by column "voting_right" in table "privilege"';
478 CREATE TABLE "subscription" (
479 PRIMARY KEY ("member_id", "unit_id"),
480 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
481 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
482 CREATE INDEX "subscription_unit_id_idx" ON "subscription" ("unit_id");
484 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';
487 CREATE TABLE "unit_setting" (
488 PRIMARY KEY ("member_id", "key", "unit_id"),
489 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
490 "key" TEXT NOT NULL,
491 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
492 "value" TEXT NOT NULL );
494 COMMENT ON TABLE "unit_setting" IS 'Place for frontend to store unit specific settings of members as strings';
497 CREATE TABLE "area" (
498 "id" SERIAL4 PRIMARY KEY,
499 "unit_id" INT4 NOT NULL REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
500 "active" BOOLEAN NOT NULL DEFAULT TRUE,
501 "name" TEXT NOT NULL,
502 "description" TEXT NOT NULL DEFAULT '',
503 "external_reference" TEXT,
504 "direct_member_count" INT4,
505 "member_weight" INT4,
506 "text_search_data" TSVECTOR );
507 CREATE INDEX "area_unit_id_idx" ON "area" ("unit_id");
508 CREATE INDEX "area_active_idx" ON "area" ("active");
509 CREATE INDEX "area_text_search_data_idx" ON "area" USING gin ("text_search_data");
510 CREATE TRIGGER "update_text_search_data"
511 BEFORE INSERT OR UPDATE ON "area"
512 FOR EACH ROW EXECUTE PROCEDURE
513 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',
514 "name", "description" );
516 COMMENT ON TABLE "area" IS 'Subject areas';
518 COMMENT ON COLUMN "area"."active" IS 'TRUE means new issues can be created in this area';
519 COMMENT ON COLUMN "area"."external_reference" IS 'Opaque data field to store an external reference';
520 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"';
521 COMMENT ON COLUMN "area"."member_weight" IS 'Same as "direct_member_count" but respecting delegations';
524 CREATE TABLE "ignored_area" (
525 PRIMARY KEY ("member_id", "area_id"),
526 "member_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
527 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
528 CREATE INDEX "ignored_area_area_id_idx" ON "ignored_area" ("area_id");
530 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';
533 CREATE TABLE "area_setting" (
534 PRIMARY KEY ("member_id", "key", "area_id"),
535 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
536 "key" TEXT NOT NULL,
537 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
538 "value" TEXT NOT NULL );
540 COMMENT ON TABLE "area_setting" IS 'Place for frontend to store area specific settings of members as strings';
543 CREATE TABLE "allowed_policy" (
544 PRIMARY KEY ("area_id", "policy_id"),
545 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
546 "policy_id" INT4 NOT NULL REFERENCES "policy" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
547 "default_policy" BOOLEAN NOT NULL DEFAULT FALSE );
548 CREATE UNIQUE INDEX "allowed_policy_one_default_per_area_idx" ON "allowed_policy" ("area_id") WHERE "default_policy";
550 COMMENT ON TABLE "allowed_policy" IS 'Selects which policies can be used in each area';
552 COMMENT ON COLUMN "allowed_policy"."default_policy" IS 'One policy per area can be set as default.';
555 CREATE TYPE "snapshot_event" AS ENUM ('periodic', 'end_of_admission', 'half_freeze', 'full_freeze');
557 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';
560 CREATE TYPE "issue_state" AS ENUM (
561 'admission', 'discussion', 'verification', 'voting',
562 'canceled_by_admin',
563 'canceled_revoked_before_accepted',
564 'canceled_issue_not_accepted',
565 'canceled_after_revocation_during_discussion',
566 'canceled_after_revocation_during_verification',
567 'canceled_no_initiative_admitted',
568 'finished_without_winner', 'finished_with_winner');
570 COMMENT ON TYPE "issue_state" IS 'State of issues';
573 CREATE TABLE "issue" (
574 "id" SERIAL4 PRIMARY KEY,
575 "area_id" INT4 NOT NULL REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
576 "policy_id" INT4 NOT NULL REFERENCES "policy" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
577 "admin_notice" TEXT,
578 "external_reference" TEXT,
579 "state" "issue_state" NOT NULL DEFAULT 'admission',
580 "phase_finished" TIMESTAMPTZ,
581 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
582 "accepted" TIMESTAMPTZ,
583 "half_frozen" TIMESTAMPTZ,
584 "fully_frozen" TIMESTAMPTZ,
585 "closed" TIMESTAMPTZ,
586 "cleaned" TIMESTAMPTZ,
587 "min_admission_time" INTERVAL,
588 "max_admission_time" INTERVAL,
589 "discussion_time" INTERVAL NOT NULL,
590 "verification_time" INTERVAL NOT NULL,
591 "voting_time" INTERVAL NOT NULL,
592 "snapshot" TIMESTAMPTZ,
593 "latest_snapshot_event" "snapshot_event",
594 "population" INT4,
595 "voter_count" INT4,
596 "status_quo_schulze_rank" INT4,
597 CONSTRAINT "admission_time_not_null_unless_instantly_accepted" CHECK (
598 ("min_admission_time" NOTNULL) = ("max_admission_time" NOTNULL) AND
599 ("min_admission_time" NOTNULL OR ("accepted" NOTNULL AND "accepted" = "created")) ),
600 CONSTRAINT "valid_state" CHECK (
601 (
602 ("accepted" ISNULL AND "half_frozen" ISNULL AND "fully_frozen" ISNULL ) OR
603 ("accepted" NOTNULL AND "half_frozen" ISNULL AND "fully_frozen" ISNULL ) OR
604 ("accepted" NOTNULL AND "half_frozen" NOTNULL AND "fully_frozen" ISNULL ) OR
605 ("accepted" NOTNULL AND "half_frozen" NOTNULL AND "fully_frozen" NOTNULL)
606 ) AND (
607 ("state" = 'admission' AND "closed" ISNULL AND "accepted" ISNULL) OR
608 ("state" = 'discussion' AND "closed" ISNULL AND "accepted" NOTNULL AND "half_frozen" ISNULL) OR
609 ("state" = 'verification' AND "closed" ISNULL AND "half_frozen" NOTNULL AND "fully_frozen" ISNULL) OR
610 ("state" = 'voting' AND "closed" ISNULL AND "fully_frozen" NOTNULL) OR
611 ("state" = 'canceled_by_admin' AND "closed" NOTNULL) OR
612 ("state" = 'canceled_revoked_before_accepted' AND "closed" NOTNULL AND "accepted" ISNULL) OR
613 ("state" = 'canceled_issue_not_accepted' AND "closed" NOTNULL AND "accepted" ISNULL) OR
614 ("state" = 'canceled_after_revocation_during_discussion' AND "closed" NOTNULL AND "half_frozen" ISNULL) OR
615 ("state" = 'canceled_after_revocation_during_verification' AND "closed" NOTNULL AND "fully_frozen" ISNULL) OR
616 ("state" = 'canceled_no_initiative_admitted' AND "closed" NOTNULL AND "fully_frozen" NOTNULL AND "closed" = "fully_frozen") OR
617 ("state" = 'finished_without_winner' AND "closed" NOTNULL AND "fully_frozen" NOTNULL AND "closed" != "fully_frozen") OR
618 ("state" = 'finished_with_winner' AND "closed" NOTNULL AND "fully_frozen" NOTNULL AND "closed" != "fully_frozen")
619 )),
620 CONSTRAINT "phase_finished_only_when_not_closed" CHECK (
621 "phase_finished" ISNULL OR "closed" ISNULL ),
622 CONSTRAINT "state_change_order" CHECK (
623 "created" <= "accepted" AND
624 "accepted" <= "half_frozen" AND
625 "half_frozen" <= "fully_frozen" AND
626 "fully_frozen" <= "closed" ),
627 CONSTRAINT "only_closed_issues_may_be_cleaned" CHECK (
628 "cleaned" ISNULL OR "closed" NOTNULL ),
629 CONSTRAINT "last_snapshot_on_full_freeze"
630 CHECK ("snapshot" = "fully_frozen"), -- NOTE: snapshot can be set, while frozen is NULL yet
631 CONSTRAINT "freeze_requires_snapshot"
632 CHECK ("fully_frozen" ISNULL OR "snapshot" NOTNULL),
633 CONSTRAINT "set_both_or_none_of_snapshot_and_latest_snapshot_event"
634 CHECK (("snapshot" NOTNULL) = ("latest_snapshot_event" NOTNULL)) );
635 CREATE INDEX "issue_area_id_idx" ON "issue" ("area_id");
636 CREATE INDEX "issue_policy_id_idx" ON "issue" ("policy_id");
637 CREATE INDEX "issue_created_idx" ON "issue" ("created");
638 CREATE INDEX "issue_accepted_idx" ON "issue" ("accepted");
639 CREATE INDEX "issue_half_frozen_idx" ON "issue" ("half_frozen");
640 CREATE INDEX "issue_fully_frozen_idx" ON "issue" ("fully_frozen");
641 CREATE INDEX "issue_closed_idx" ON "issue" ("closed");
642 CREATE INDEX "issue_created_idx_open" ON "issue" ("created") WHERE "closed" ISNULL;
643 CREATE INDEX "issue_closed_idx_canceled" ON "issue" ("closed") WHERE "fully_frozen" ISNULL;
645 COMMENT ON TABLE "issue" IS 'Groups of initiatives';
647 COMMENT ON COLUMN "issue"."admin_notice" IS 'Public notice by admin to explain manual interventions, or to announce corrections';
648 COMMENT ON COLUMN "issue"."external_reference" IS 'Opaque data field to store an external reference';
649 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';
650 COMMENT ON COLUMN "issue"."accepted" IS 'Point in time, when one initiative of issue reached the "issue_quorum"';
651 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.';
652 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.';
653 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.';
654 COMMENT ON COLUMN "issue"."cleaned" IS 'Point in time, when discussion data and votes had been deleted';
655 COMMENT ON COLUMN "issue"."min_admission_time" IS 'Copied from "policy" table at creation of issue';
656 COMMENT ON COLUMN "issue"."max_admission_time" IS 'Copied from "policy" table at creation of issue';
657 COMMENT ON COLUMN "issue"."discussion_time" IS 'Copied from "policy" table at creation of issue';
658 COMMENT ON COLUMN "issue"."verification_time" IS 'Copied from "policy" table at creation of issue';
659 COMMENT ON COLUMN "issue"."voting_time" IS 'Copied from "policy" table at creation of issue';
660 COMMENT ON COLUMN "issue"."snapshot" IS 'Point in time, when snapshot tables have been updated and "population" and *_count values were precalculated';
661 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';
662 COMMENT ON COLUMN "issue"."population" IS 'Sum of "weight" column in table "direct_population_snapshot"';
663 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';
664 COMMENT ON COLUMN "issue"."status_quo_schulze_rank" IS 'Schulze rank of status quo, as calculated by "calculate_ranks" function';
667 CREATE TABLE "issue_order_in_admission_state" (
668 "id" INT8 PRIMARY KEY, --REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
669 "order_in_area" INT4,
670 "order_in_unit" INT4 );
672 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"';
674 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';
675 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';
676 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';
679 CREATE TABLE "issue_setting" (
680 PRIMARY KEY ("member_id", "key", "issue_id"),
681 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
682 "key" TEXT NOT NULL,
683 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
684 "value" TEXT NOT NULL );
686 COMMENT ON TABLE "issue_setting" IS 'Place for frontend to store issue specific settings of members as strings';
689 CREATE TABLE "initiative" (
690 UNIQUE ("issue_id", "id"), -- index needed for foreign-key on table "vote"
691 "issue_id" INT4 NOT NULL REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
692 "id" SERIAL4 PRIMARY KEY,
693 "name" TEXT NOT NULL,
694 "polling" BOOLEAN NOT NULL DEFAULT FALSE,
695 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
696 "revoked" TIMESTAMPTZ,
697 "revoked_by_member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
698 "suggested_initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
699 "external_reference" TEXT,
700 "admitted" BOOLEAN,
701 "supporter_count" INT4,
702 "informed_supporter_count" INT4,
703 "satisfied_supporter_count" INT4,
704 "satisfied_informed_supporter_count" INT4,
705 "harmonic_weight" NUMERIC(12, 3),
706 "final_suggestion_order_calculated" BOOLEAN NOT NULL DEFAULT FALSE,
707 "first_preference_votes" INT4,
708 "positive_votes" INT4,
709 "negative_votes" INT4,
710 "direct_majority" BOOLEAN,
711 "indirect_majority" BOOLEAN,
712 "schulze_rank" INT4,
713 "better_than_status_quo" BOOLEAN,
714 "worse_than_status_quo" BOOLEAN,
715 "reverse_beat_path" BOOLEAN,
716 "multistage_majority" BOOLEAN,
717 "eligible" BOOLEAN,
718 "winner" BOOLEAN,
719 "rank" INT4,
720 "text_search_data" TSVECTOR,
721 CONSTRAINT "all_or_none_of_revoked_and_revoked_by_member_id_must_be_null"
722 CHECK (("revoked" NOTNULL) = ("revoked_by_member_id" NOTNULL)),
723 CONSTRAINT "non_revoked_initiatives_cant_suggest_other"
724 CHECK ("revoked" NOTNULL OR "suggested_initiative_id" ISNULL),
725 CONSTRAINT "revoked_initiatives_cant_be_admitted"
726 CHECK ("revoked" ISNULL OR "admitted" ISNULL),
727 CONSTRAINT "non_admitted_initiatives_cant_contain_voting_results" CHECK (
728 ( "admitted" NOTNULL AND "admitted" = TRUE ) OR
729 ( "first_preference_votes" ISNULL AND
730 "positive_votes" ISNULL AND "negative_votes" ISNULL AND
731 "direct_majority" ISNULL AND "indirect_majority" ISNULL AND
732 "schulze_rank" ISNULL AND
733 "better_than_status_quo" ISNULL AND "worse_than_status_quo" ISNULL AND
734 "reverse_beat_path" ISNULL AND "multistage_majority" ISNULL AND
735 "eligible" ISNULL AND "winner" ISNULL AND "rank" ISNULL ) ),
736 CONSTRAINT "better_excludes_worse" CHECK (NOT ("better_than_status_quo" AND "worse_than_status_quo")),
737 CONSTRAINT "minimum_requirement_to_be_eligible" CHECK (
738 "eligible" = FALSE OR
739 ("direct_majority" AND "indirect_majority" AND "better_than_status_quo") ),
740 CONSTRAINT "winner_must_be_eligible" CHECK ("winner"=FALSE OR "eligible"=TRUE),
741 CONSTRAINT "winner_must_have_first_rank" CHECK ("winner"=FALSE OR "rank"=1),
742 CONSTRAINT "eligible_at_first_rank_is_winner" CHECK ("eligible"=FALSE OR "rank"!=1 OR "winner"=TRUE),
743 CONSTRAINT "unique_rank_per_issue" UNIQUE ("issue_id", "rank") );
744 CREATE INDEX "initiative_created_idx" ON "initiative" ("created");
745 CREATE INDEX "initiative_revoked_idx" ON "initiative" ("revoked");
746 CREATE INDEX "initiative_text_search_data_idx" ON "initiative" USING gin ("text_search_data");
747 CREATE TRIGGER "update_text_search_data"
748 BEFORE INSERT OR UPDATE ON "initiative"
749 FOR EACH ROW EXECUTE PROCEDURE
750 tsvector_update_trigger('text_search_data', 'pg_catalog.simple', "name");
752 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.';
754 COMMENT ON COLUMN "initiative"."polling" IS 'Initiative does not need to pass the initiative quorum (see "policy"."polling")';
755 COMMENT ON COLUMN "initiative"."revoked" IS 'Point in time, when one initiator decided to revoke the initiative';
756 COMMENT ON COLUMN "initiative"."revoked_by_member_id" IS 'Member, who decided to revoke the initiative';
757 COMMENT ON COLUMN "initiative"."external_reference" IS 'Opaque data field to store an external reference';
758 COMMENT ON COLUMN "initiative"."admitted" IS 'TRUE, if initiative reaches the "initiative_quorum" when freezing the issue';
759 COMMENT ON COLUMN "initiative"."supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';
760 COMMENT ON COLUMN "initiative"."informed_supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';
761 COMMENT ON COLUMN "initiative"."satisfied_supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';
762 COMMENT ON COLUMN "initiative"."satisfied_informed_supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';
763 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';
764 COMMENT ON COLUMN "initiative"."final_suggestion_order_calculated" IS 'Set to TRUE, when "proportional_order" of suggestions has been calculated the last time';
765 COMMENT ON COLUMN "initiative"."first_preference_votes" IS 'Number of direct and delegating voters who ranked this initiative as their first choice';
766 COMMENT ON COLUMN "initiative"."positive_votes" IS 'Number of direct and delegating voters who ranked this initiative better than the status quo';
767 COMMENT ON COLUMN "initiative"."negative_votes" IS 'Number of direct and delegating voters who ranked this initiative worse than the status quo';
768 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"';
769 COMMENT ON COLUMN "initiative"."indirect_majority" IS 'Same as "direct_majority", but also considering indirect beat paths';
770 COMMENT ON COLUMN "initiative"."schulze_rank" IS 'Schulze-Ranking';
771 COMMENT ON COLUMN "initiative"."better_than_status_quo" IS 'TRUE, if initiative has a schulze-ranking better than the status quo';
772 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)';
773 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''';
774 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';
775 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"';
776 COMMENT ON COLUMN "initiative"."winner" IS 'Winner is the "eligible" initiative with best "schulze_rank"';
777 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';
780 CREATE TABLE "battle" (
781 "issue_id" INT4 NOT NULL,
782 "winning_initiative_id" INT4,
783 FOREIGN KEY ("issue_id", "winning_initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
784 "losing_initiative_id" INT4,
785 FOREIGN KEY ("issue_id", "losing_initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
786 "count" INT4 NOT NULL,
787 CONSTRAINT "initiative_ids_not_equal" CHECK (
788 "winning_initiative_id" != "losing_initiative_id" OR
789 ( ("winning_initiative_id" NOTNULL AND "losing_initiative_id" ISNULL) OR
790 ("winning_initiative_id" ISNULL AND "losing_initiative_id" NOTNULL) ) ) );
791 CREATE UNIQUE INDEX "battle_winning_losing_idx" ON "battle" ("issue_id", "winning_initiative_id", "losing_initiative_id");
792 CREATE UNIQUE INDEX "battle_winning_null_idx" ON "battle" ("issue_id", "winning_initiative_id") WHERE "losing_initiative_id" ISNULL;
793 CREATE UNIQUE INDEX "battle_null_losing_idx" ON "battle" ("issue_id", "losing_initiative_id") WHERE "winning_initiative_id" ISNULL;
795 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';
798 CREATE TABLE "ignored_initiative" (
799 PRIMARY KEY ("member_id", "initiative_id"),
800 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
801 "initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
802 CREATE INDEX "ignored_initiative_initiative_id_idx" ON "ignored_initiative" ("initiative_id");
804 COMMENT ON TABLE "ignored_initiative" IS 'Possibility to filter initiatives';
807 CREATE TABLE "initiative_setting" (
808 PRIMARY KEY ("member_id", "key", "initiative_id"),
809 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
810 "key" TEXT NOT NULL,
811 "initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
812 "value" TEXT NOT NULL );
814 COMMENT ON TABLE "initiative_setting" IS 'Place for frontend to store initiative specific settings of members as strings';
817 CREATE TABLE "draft" (
818 UNIQUE ("initiative_id", "id"), -- index needed for foreign-key on table "supporter"
819 "initiative_id" INT4 NOT NULL REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
820 "id" SERIAL8 PRIMARY KEY,
821 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
822 "author_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
823 "formatting_engine" TEXT,
824 "content" TEXT NOT NULL,
825 "external_reference" TEXT,
826 "text_search_data" TSVECTOR );
827 CREATE INDEX "draft_created_idx" ON "draft" ("created");
828 CREATE INDEX "draft_author_id_created_idx" ON "draft" ("author_id", "created");
829 CREATE INDEX "draft_text_search_data_idx" ON "draft" USING gin ("text_search_data");
830 CREATE TRIGGER "update_text_search_data"
831 BEFORE INSERT OR UPDATE ON "draft"
832 FOR EACH ROW EXECUTE PROCEDURE
833 tsvector_update_trigger('text_search_data', 'pg_catalog.simple', "content");
835 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.';
837 COMMENT ON COLUMN "draft"."formatting_engine" IS 'Allows different formatting engines (i.e. wiki formats) to be used';
838 COMMENT ON COLUMN "draft"."content" IS 'Text of the draft in a format depending on the field "formatting_engine"';
839 COMMENT ON COLUMN "draft"."external_reference" IS 'Opaque data field to store an external reference';
842 CREATE TABLE "rendered_draft" (
843 PRIMARY KEY ("draft_id", "format"),
844 "draft_id" INT8 REFERENCES "draft" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
845 "format" TEXT,
846 "content" TEXT NOT NULL );
848 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)';
851 CREATE TABLE "suggestion" (
852 UNIQUE ("initiative_id", "id"), -- index needed for foreign-key on table "opinion"
853 "initiative_id" INT4 NOT NULL REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
854 "id" SERIAL8 PRIMARY KEY,
855 "draft_id" INT8 NOT NULL,
856 FOREIGN KEY ("initiative_id", "draft_id") REFERENCES "draft" ("initiative_id", "id") ON DELETE NO ACTION ON UPDATE CASCADE,
857 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
858 "author_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
859 "name" TEXT NOT NULL,
860 "formatting_engine" TEXT,
861 "content" TEXT NOT NULL DEFAULT '',
862 "external_reference" TEXT,
863 "text_search_data" TSVECTOR,
864 "minus2_unfulfilled_count" INT4,
865 "minus2_fulfilled_count" INT4,
866 "minus1_unfulfilled_count" INT4,
867 "minus1_fulfilled_count" INT4,
868 "plus1_unfulfilled_count" INT4,
869 "plus1_fulfilled_count" INT4,
870 "plus2_unfulfilled_count" INT4,
871 "plus2_fulfilled_count" INT4,
872 "proportional_order" INT4 );
873 CREATE INDEX "suggestion_created_idx" ON "suggestion" ("created");
874 CREATE INDEX "suggestion_author_id_created_idx" ON "suggestion" ("author_id", "created");
875 CREATE INDEX "suggestion_text_search_data_idx" ON "suggestion" USING gin ("text_search_data");
876 CREATE TRIGGER "update_text_search_data"
877 BEFORE INSERT OR UPDATE ON "suggestion"
878 FOR EACH ROW EXECUTE PROCEDURE
879 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',
880 "name", "content");
882 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';
884 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")';
885 COMMENT ON COLUMN "suggestion"."external_reference" IS 'Opaque data field to store an external reference';
886 COMMENT ON COLUMN "suggestion"."minus2_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
887 COMMENT ON COLUMN "suggestion"."minus2_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
888 COMMENT ON COLUMN "suggestion"."minus1_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
889 COMMENT ON COLUMN "suggestion"."minus1_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
890 COMMENT ON COLUMN "suggestion"."plus1_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
891 COMMENT ON COLUMN "suggestion"."plus1_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
892 COMMENT ON COLUMN "suggestion"."plus2_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
893 COMMENT ON COLUMN "suggestion"."plus2_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
894 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"';
897 CREATE TABLE "rendered_suggestion" (
898 PRIMARY KEY ("suggestion_id", "format"),
899 "suggestion_id" INT8 REFERENCES "suggestion" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
900 "format" TEXT,
901 "content" TEXT NOT NULL );
903 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)';
906 CREATE TABLE "suggestion_setting" (
907 PRIMARY KEY ("member_id", "key", "suggestion_id"),
908 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
909 "key" TEXT NOT NULL,
910 "suggestion_id" INT8 REFERENCES "suggestion" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
911 "value" TEXT NOT NULL );
913 COMMENT ON TABLE "suggestion_setting" IS 'Place for frontend to store suggestion specific settings of members as strings';
916 CREATE TABLE "privilege" (
917 PRIMARY KEY ("unit_id", "member_id"),
918 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
919 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
920 "admin_manager" BOOLEAN NOT NULL DEFAULT FALSE,
921 "unit_manager" BOOLEAN NOT NULL DEFAULT FALSE,
922 "area_manager" BOOLEAN NOT NULL DEFAULT FALSE,
923 "member_manager" BOOLEAN NOT NULL DEFAULT FALSE,
924 "initiative_right" BOOLEAN NOT NULL DEFAULT TRUE,
925 "voting_right" BOOLEAN NOT NULL DEFAULT TRUE,
926 "polling_right" BOOLEAN NOT NULL DEFAULT FALSE );
928 COMMENT ON TABLE "privilege" IS 'Members rights related to each unit';
930 COMMENT ON COLUMN "privilege"."admin_manager" IS 'Grant/revoke any privileges to/from other members';
931 COMMENT ON COLUMN "privilege"."unit_manager" IS 'Create and disable sub units';
932 COMMENT ON COLUMN "privilege"."area_manager" IS 'Create and disable areas and set area parameters';
933 COMMENT ON COLUMN "privilege"."member_manager" IS 'Adding/removing members from the unit, granting or revoking "initiative_right" and "voting_right"';
934 COMMENT ON COLUMN "privilege"."initiative_right" IS 'Right to create an initiative';
935 COMMENT ON COLUMN "privilege"."voting_right" IS 'Right to support initiatives, create and rate suggestions, and to vote';
936 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';
939 CREATE TABLE "membership" (
940 PRIMARY KEY ("area_id", "member_id"),
941 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
942 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
943 CREATE INDEX "membership_member_id_idx" ON "membership" ("member_id");
945 COMMENT ON TABLE "membership" IS 'Interest of members in topic areas';
948 CREATE TABLE "interest" (
949 PRIMARY KEY ("issue_id", "member_id"),
950 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
951 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
952 CREATE INDEX "interest_member_id_idx" ON "interest" ("member_id");
954 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.';
957 CREATE TABLE "initiator" (
958 PRIMARY KEY ("initiative_id", "member_id"),
959 "initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
960 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
961 "accepted" BOOLEAN );
962 CREATE INDEX "initiator_member_id_idx" ON "initiator" ("member_id");
964 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.';
966 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.';
969 CREATE TABLE "supporter" (
970 "issue_id" INT4 NOT NULL,
971 PRIMARY KEY ("initiative_id", "member_id"),
972 "initiative_id" INT4,
973 "member_id" INT4,
974 "draft_id" INT8 NOT NULL,
975 FOREIGN KEY ("issue_id", "member_id") REFERENCES "interest" ("issue_id", "member_id") ON DELETE CASCADE ON UPDATE CASCADE,
976 FOREIGN KEY ("initiative_id", "draft_id") REFERENCES "draft" ("initiative_id", "id") ON DELETE NO ACTION ON UPDATE CASCADE );
977 CREATE INDEX "supporter_member_id_idx" ON "supporter" ("member_id");
979 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.';
981 COMMENT ON COLUMN "supporter"."issue_id" IS 'WARNING: No index: For selections use column "initiative_id" and join via table "initiative" where neccessary';
982 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")';
985 CREATE TABLE "opinion" (
986 "initiative_id" INT4 NOT NULL,
987 PRIMARY KEY ("suggestion_id", "member_id"),
988 "suggestion_id" INT8,
989 "member_id" INT4,
990 "degree" INT2 NOT NULL CHECK ("degree" >= -2 AND "degree" <= 2 AND "degree" != 0),
991 "fulfilled" BOOLEAN NOT NULL DEFAULT FALSE,
992 FOREIGN KEY ("initiative_id", "suggestion_id") REFERENCES "suggestion" ("initiative_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
993 FOREIGN KEY ("initiative_id", "member_id") REFERENCES "supporter" ("initiative_id", "member_id") ON DELETE CASCADE ON UPDATE CASCADE );
994 CREATE INDEX "opinion_member_id_initiative_id_idx" ON "opinion" ("member_id", "initiative_id");
996 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.';
998 COMMENT ON COLUMN "opinion"."degree" IS '2 = fulfillment required for support; 1 = fulfillment desired; -1 = fulfillment unwanted; -2 = fulfillment cancels support';
1001 CREATE TYPE "delegation_scope" AS ENUM ('unit', 'area', 'issue');
1003 COMMENT ON TYPE "delegation_scope" IS 'Scope for delegations: ''unit'', ''area'', or ''issue'' (order is relevant)';
1006 CREATE TABLE "delegation" (
1007 "id" SERIAL8 PRIMARY KEY,
1008 "truster_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1009 "trustee_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1010 "scope" "delegation_scope" NOT NULL,
1011 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1012 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1013 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1014 CONSTRAINT "cant_delegate_to_yourself" CHECK ("truster_id" != "trustee_id"),
1015 CONSTRAINT "no_unit_delegation_to_null"
1016 CHECK ("trustee_id" NOTNULL OR "scope" != 'unit'),
1017 CONSTRAINT "area_id_and_issue_id_set_according_to_scope" CHECK (
1018 ("scope" = 'unit' AND "unit_id" NOTNULL AND "area_id" ISNULL AND "issue_id" ISNULL ) OR
1019 ("scope" = 'area' AND "unit_id" ISNULL AND "area_id" NOTNULL AND "issue_id" ISNULL ) OR
1020 ("scope" = 'issue' AND "unit_id" ISNULL AND "area_id" ISNULL AND "issue_id" NOTNULL) ),
1021 UNIQUE ("unit_id", "truster_id"),
1022 UNIQUE ("area_id", "truster_id"),
1023 UNIQUE ("issue_id", "truster_id") );
1024 CREATE INDEX "delegation_truster_id_idx" ON "delegation" ("truster_id");
1025 CREATE INDEX "delegation_trustee_id_idx" ON "delegation" ("trustee_id");
1027 COMMENT ON TABLE "delegation" IS 'Delegation of vote-weight to other members';
1029 COMMENT ON COLUMN "delegation"."unit_id" IS 'Reference to unit, if delegation is unit-wide, otherwise NULL';
1030 COMMENT ON COLUMN "delegation"."area_id" IS 'Reference to area, if delegation is area-wide, otherwise NULL';
1031 COMMENT ON COLUMN "delegation"."issue_id" IS 'Reference to issue, if delegation is issue-wide, otherwise NULL';
1034 CREATE TABLE "direct_population_snapshot" (
1035 PRIMARY KEY ("issue_id", "event", "member_id"),
1036 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1037 "event" "snapshot_event",
1038 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1039 "weight" INT4 );
1040 CREATE INDEX "direct_population_snapshot_member_id_idx" ON "direct_population_snapshot" ("member_id");
1042 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';
1044 COMMENT ON COLUMN "direct_population_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1045 COMMENT ON COLUMN "direct_population_snapshot"."weight" IS 'Weight of member (1 or higher) according to "delegating_population_snapshot"';
1048 CREATE TABLE "delegating_population_snapshot" (
1049 PRIMARY KEY ("issue_id", "event", "member_id"),
1050 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1051 "event" "snapshot_event",
1052 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1053 "weight" INT4,
1054 "scope" "delegation_scope" NOT NULL,
1055 "delegate_member_ids" INT4[] NOT NULL );
1056 CREATE INDEX "delegating_population_snapshot_member_id_idx" ON "delegating_population_snapshot" ("member_id");
1058 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';
1060 COMMENT ON COLUMN "delegating_population_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1061 COMMENT ON COLUMN "delegating_population_snapshot"."member_id" IS 'Delegating member';
1062 COMMENT ON COLUMN "delegating_population_snapshot"."weight" IS 'Intermediate weight';
1063 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"';
1066 CREATE TABLE "direct_interest_snapshot" (
1067 PRIMARY KEY ("issue_id", "event", "member_id"),
1068 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1069 "event" "snapshot_event",
1070 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1071 "weight" INT4 );
1072 CREATE INDEX "direct_interest_snapshot_member_id_idx" ON "direct_interest_snapshot" ("member_id");
1074 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';
1076 COMMENT ON COLUMN "direct_interest_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1077 COMMENT ON COLUMN "direct_interest_snapshot"."weight" IS 'Weight of member (1 or higher) according to "delegating_interest_snapshot"';
1080 CREATE TABLE "delegating_interest_snapshot" (
1081 PRIMARY KEY ("issue_id", "event", "member_id"),
1082 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1083 "event" "snapshot_event",
1084 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1085 "weight" INT4,
1086 "scope" "delegation_scope" NOT NULL,
1087 "delegate_member_ids" INT4[] NOT NULL );
1088 CREATE INDEX "delegating_interest_snapshot_member_id_idx" ON "delegating_interest_snapshot" ("member_id");
1090 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';
1092 COMMENT ON COLUMN "delegating_interest_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1093 COMMENT ON COLUMN "delegating_interest_snapshot"."member_id" IS 'Delegating member';
1094 COMMENT ON COLUMN "delegating_interest_snapshot"."weight" IS 'Intermediate weight';
1095 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"';
1098 CREATE TABLE "direct_supporter_snapshot" (
1099 "issue_id" INT4 NOT NULL,
1100 PRIMARY KEY ("initiative_id", "event", "member_id"),
1101 "initiative_id" INT4,
1102 "event" "snapshot_event",
1103 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1104 "draft_id" INT8 NOT NULL,
1105 "informed" BOOLEAN NOT NULL,
1106 "satisfied" BOOLEAN NOT NULL,
1107 FOREIGN KEY ("issue_id", "initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
1108 FOREIGN KEY ("initiative_id", "draft_id") REFERENCES "draft" ("initiative_id", "id") ON DELETE NO ACTION ON UPDATE CASCADE,
1109 FOREIGN KEY ("issue_id", "event", "member_id") REFERENCES "direct_interest_snapshot" ("issue_id", "event", "member_id") ON DELETE CASCADE ON UPDATE CASCADE );
1110 CREATE INDEX "direct_supporter_snapshot_member_id_idx" ON "direct_supporter_snapshot" ("member_id");
1112 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';
1114 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';
1115 COMMENT ON COLUMN "direct_supporter_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1116 COMMENT ON COLUMN "direct_supporter_snapshot"."informed" IS 'Supporter has seen the latest draft of the initiative';
1117 COMMENT ON COLUMN "direct_supporter_snapshot"."satisfied" IS 'Supporter has no "critical_opinion"s';
1120 CREATE TABLE "non_voter" (
1121 PRIMARY KEY ("issue_id", "member_id"),
1122 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1123 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
1124 CREATE INDEX "non_voter_member_id_idx" ON "non_voter" ("member_id");
1126 COMMENT ON TABLE "non_voter" IS 'Members who decided to not vote directly on an issue';
1129 CREATE TABLE "direct_voter" (
1130 PRIMARY KEY ("issue_id", "member_id"),
1131 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1132 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1133 "weight" INT4,
1134 "comment_changed" TIMESTAMPTZ,
1135 "formatting_engine" TEXT,
1136 "comment" TEXT,
1137 "text_search_data" TSVECTOR );
1138 CREATE INDEX "direct_voter_member_id_idx" ON "direct_voter" ("member_id");
1139 CREATE INDEX "direct_voter_text_search_data_idx" ON "direct_voter" USING gin ("text_search_data");
1140 CREATE TRIGGER "update_text_search_data"
1141 BEFORE INSERT OR UPDATE ON "direct_voter"
1142 FOR EACH ROW EXECUTE PROCEDURE
1143 tsvector_update_trigger('text_search_data', 'pg_catalog.simple', "comment");
1145 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';
1147 COMMENT ON COLUMN "direct_voter"."weight" IS 'Weight of member (1 or higher) according to "delegating_voter" table';
1148 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';
1149 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';
1150 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.';
1153 CREATE TABLE "rendered_voter_comment" (
1154 PRIMARY KEY ("issue_id", "member_id", "format"),
1155 FOREIGN KEY ("issue_id", "member_id")
1156 REFERENCES "direct_voter" ("issue_id", "member_id")
1157 ON DELETE CASCADE ON UPDATE CASCADE,
1158 "issue_id" INT4,
1159 "member_id" INT4,
1160 "format" TEXT,
1161 "content" TEXT NOT NULL );
1163 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)';
1166 CREATE TABLE "delegating_voter" (
1167 PRIMARY KEY ("issue_id", "member_id"),
1168 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1169 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1170 "weight" INT4,
1171 "scope" "delegation_scope" NOT NULL,
1172 "delegate_member_ids" INT4[] NOT NULL );
1173 CREATE INDEX "delegating_voter_member_id_idx" ON "delegating_voter" ("member_id");
1175 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';
1177 COMMENT ON COLUMN "delegating_voter"."member_id" IS 'Delegating member';
1178 COMMENT ON COLUMN "delegating_voter"."weight" IS 'Intermediate weight';
1179 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"';
1182 CREATE TABLE "vote" (
1183 "issue_id" INT4 NOT NULL,
1184 PRIMARY KEY ("initiative_id", "member_id"),
1185 "initiative_id" INT4,
1186 "member_id" INT4,
1187 "grade" INT4 NOT NULL,
1188 "first_preference" BOOLEAN,
1189 FOREIGN KEY ("issue_id", "initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
1190 FOREIGN KEY ("issue_id", "member_id") REFERENCES "direct_voter" ("issue_id", "member_id") ON DELETE CASCADE ON UPDATE CASCADE,
1191 CONSTRAINT "first_preference_flag_only_set_on_positive_grades"
1192 CHECK ("grade" > 0 OR "first_preference" ISNULL) );
1193 CREATE INDEX "vote_member_id_idx" ON "vote" ("member_id");
1195 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';
1197 COMMENT ON COLUMN "vote"."issue_id" IS 'WARNING: No index: For selections use column "initiative_id" and join via table "initiative" where neccessary';
1198 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.';
1199 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.';
1202 CREATE TYPE "event_type" AS ENUM (
1203 'issue_state_changed',
1204 'initiative_created_in_new_issue',
1205 'initiative_created_in_existing_issue',
1206 'initiative_revoked',
1207 'new_draft_created',
1208 'suggestion_created');
1210 COMMENT ON TYPE "event_type" IS 'Type used for column "event" of table "event"';
1213 CREATE TABLE "event" (
1214 "id" SERIAL8 PRIMARY KEY,
1215 "occurrence" TIMESTAMPTZ NOT NULL DEFAULT now(),
1216 "event" "event_type" NOT NULL,
1217 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
1218 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1219 "state" "issue_state",
1220 "initiative_id" INT4,
1221 "draft_id" INT8,
1222 "suggestion_id" INT8,
1223 FOREIGN KEY ("issue_id", "initiative_id")
1224 REFERENCES "initiative" ("issue_id", "id")
1225 ON DELETE CASCADE ON UPDATE CASCADE,
1226 FOREIGN KEY ("initiative_id", "draft_id")
1227 REFERENCES "draft" ("initiative_id", "id")
1228 ON DELETE CASCADE ON UPDATE CASCADE,
1229 FOREIGN KEY ("initiative_id", "suggestion_id")
1230 REFERENCES "suggestion" ("initiative_id", "id")
1231 ON DELETE CASCADE ON UPDATE CASCADE,
1232 CONSTRAINT "null_constr_for_issue_state_changed" CHECK (
1233 "event" != 'issue_state_changed' OR (
1234 "member_id" ISNULL AND
1235 "issue_id" NOTNULL AND
1236 "state" NOTNULL AND
1237 "initiative_id" ISNULL AND
1238 "draft_id" ISNULL AND
1239 "suggestion_id" ISNULL )),
1240 CONSTRAINT "null_constr_for_initiative_creation_or_revocation_or_new_draft" CHECK (
1241 "event" NOT IN (
1242 'initiative_created_in_new_issue',
1243 'initiative_created_in_existing_issue',
1244 'initiative_revoked',
1245 'new_draft_created'
1246 ) OR (
1247 "member_id" NOTNULL AND
1248 "issue_id" NOTNULL AND
1249 "state" NOTNULL AND
1250 "initiative_id" NOTNULL AND
1251 "draft_id" NOTNULL AND
1252 "suggestion_id" ISNULL )),
1253 CONSTRAINT "null_constr_for_suggestion_creation" CHECK (
1254 "event" != 'suggestion_created' OR (
1255 "member_id" NOTNULL AND
1256 "issue_id" NOTNULL AND
1257 "state" NOTNULL AND
1258 "initiative_id" NOTNULL AND
1259 "draft_id" ISNULL AND
1260 "suggestion_id" NOTNULL )) );
1261 CREATE INDEX "event_occurrence_idx" ON "event" ("occurrence");
1263 COMMENT ON TABLE "event" IS 'Event table, automatically filled by triggers';
1265 COMMENT ON COLUMN "event"."occurrence" IS 'Point in time, when event occurred';
1266 COMMENT ON COLUMN "event"."event" IS 'Type of event (see TYPE "event_type")';
1267 COMMENT ON COLUMN "event"."member_id" IS 'Member who caused the event, if applicable';
1268 COMMENT ON COLUMN "event"."state" IS 'If issue_id is set: state of affected issue; If state changed: new state';
1271 CREATE TABLE "notification_sent" (
1272 "event_id" INT8 NOT NULL );
1273 CREATE UNIQUE INDEX "notification_sent_singleton_idx" ON "notification_sent" ((1));
1275 COMMENT ON TABLE "notification_sent" IS 'This table stores one row with the last event_id, for which notifications have been sent out';
1276 COMMENT ON INDEX "notification_sent_singleton_idx" IS 'This index ensures that "notification_sent" only contains one row maximum.';
1279 CREATE TABLE "advertised_initiative" ( -- TODO: two tables: one for initiatives, one for suggestions
1280 PRIMARY KEY ("time_serial", "initiative_id", "member_id"),
1281 "time_serial" SERIAL8,
1282 "initiative_id" INT4 NOT NULL REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1283 "member_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
1284 CREATE INDEX "advertised_initiative_initiative_id_idx" ON "advertised_initiative" ("initiative_id");
1285 CREATE INDEX "advertised_initiative_member_id_idx" ON "advertised_initiative" ("member_id");
1287 COMMENT ON TABLE "advertised_initiative" IS 'Stores which initiatives have been advertised to a member in a mail digest';
1289 COMMENT ON COLUMN "advertised_initiative"."time_serial" IS 'An increasing integer that may be used to determine which issue or initiative was advertised the longest ago (may be equal or consecutive for those initiatives that are sent in the same notification)';
1293 ----------------------------------------------
1294 -- Writing of history entries and event log --
1295 ----------------------------------------------
1298 CREATE FUNCTION "write_member_history_trigger"()
1299 RETURNS TRIGGER
1300 LANGUAGE 'plpgsql' VOLATILE AS $$
1301 BEGIN
1302 IF
1303 ( NEW."active" != OLD."active" OR
1304 NEW."name" != OLD."name" ) AND
1305 OLD."activated" NOTNULL
1306 THEN
1307 INSERT INTO "member_history"
1308 ("member_id", "active", "name")
1309 VALUES (NEW."id", OLD."active", OLD."name");
1310 END IF;
1311 RETURN NULL;
1312 END;
1313 $$;
1315 CREATE TRIGGER "write_member_history"
1316 AFTER UPDATE ON "member" FOR EACH ROW EXECUTE PROCEDURE
1317 "write_member_history_trigger"();
1319 COMMENT ON FUNCTION "write_member_history_trigger"() IS 'Implementation of trigger "write_member_history" on table "member"';
1320 COMMENT ON TRIGGER "write_member_history" ON "member" IS 'When changing certain fields of a member, create a history entry in "member_history" table';
1323 CREATE FUNCTION "write_event_issue_state_changed_trigger"()
1324 RETURNS TRIGGER
1325 LANGUAGE 'plpgsql' VOLATILE AS $$
1326 BEGIN
1327 IF NEW."state" != OLD."state" THEN
1328 INSERT INTO "event" ("event", "issue_id", "state")
1329 VALUES ('issue_state_changed', NEW."id", NEW."state");
1330 END IF;
1331 RETURN NULL;
1332 END;
1333 $$;
1335 CREATE TRIGGER "write_event_issue_state_changed"
1336 AFTER UPDATE ON "issue" FOR EACH ROW EXECUTE PROCEDURE
1337 "write_event_issue_state_changed_trigger"();
1339 COMMENT ON FUNCTION "write_event_issue_state_changed_trigger"() IS 'Implementation of trigger "write_event_issue_state_changed" on table "issue"';
1340 COMMENT ON TRIGGER "write_event_issue_state_changed" ON "issue" IS 'Create entry in "event" table on "state" change';
1343 CREATE FUNCTION "write_event_initiative_or_draft_created_trigger"()
1344 RETURNS TRIGGER
1345 LANGUAGE 'plpgsql' VOLATILE AS $$
1346 DECLARE
1347 "initiative_row" "initiative"%ROWTYPE;
1348 "issue_row" "issue"%ROWTYPE;
1349 "event_v" "event_type";
1350 BEGIN
1351 SELECT * INTO "initiative_row" FROM "initiative"
1352 WHERE "id" = NEW."initiative_id";
1353 SELECT * INTO "issue_row" FROM "issue"
1354 WHERE "id" = "initiative_row"."issue_id";
1355 IF EXISTS (
1356 SELECT NULL FROM "draft"
1357 WHERE "initiative_id" = NEW."initiative_id"
1358 AND "id" != NEW."id"
1359 ) THEN
1360 "event_v" := 'new_draft_created';
1361 ELSE
1362 IF EXISTS (
1363 SELECT NULL FROM "initiative"
1364 WHERE "issue_id" = "initiative_row"."issue_id"
1365 AND "id" != "initiative_row"."id"
1366 ) THEN
1367 "event_v" := 'initiative_created_in_existing_issue';
1368 ELSE
1369 "event_v" := 'initiative_created_in_new_issue';
1370 END IF;
1371 END IF;
1372 INSERT INTO "event" (
1373 "event", "member_id",
1374 "issue_id", "state", "initiative_id", "draft_id"
1375 ) VALUES (
1376 "event_v",
1377 NEW."author_id",
1378 "initiative_row"."issue_id",
1379 "issue_row"."state",
1380 "initiative_row"."id",
1381 NEW."id" );
1382 RETURN NULL;
1383 END;
1384 $$;
1386 CREATE TRIGGER "write_event_initiative_or_draft_created"
1387 AFTER INSERT ON "draft" FOR EACH ROW EXECUTE PROCEDURE
1388 "write_event_initiative_or_draft_created_trigger"();
1390 COMMENT ON FUNCTION "write_event_initiative_or_draft_created_trigger"() IS 'Implementation of trigger "write_event_initiative_or_draft_created" on table "issue"';
1391 COMMENT ON TRIGGER "write_event_initiative_or_draft_created" ON "draft" IS 'Create entry in "event" table on draft creation';
1394 CREATE FUNCTION "write_event_initiative_revoked_trigger"()
1395 RETURNS TRIGGER
1396 LANGUAGE 'plpgsql' VOLATILE AS $$
1397 DECLARE
1398 "issue_row" "issue"%ROWTYPE;
1399 "draft_id_v" "draft"."id"%TYPE;
1400 BEGIN
1401 IF OLD."revoked" ISNULL AND NEW."revoked" NOTNULL THEN
1402 SELECT * INTO "issue_row" FROM "issue"
1403 WHERE "id" = NEW."issue_id";
1404 SELECT "id" INTO "draft_id_v" FROM "current_draft"
1405 WHERE "initiative_id" = NEW."id";
1406 INSERT INTO "event" (
1407 "event", "member_id", "issue_id", "state", "initiative_id", "draft_id"
1408 ) VALUES (
1409 'initiative_revoked',
1410 NEW."revoked_by_member_id",
1411 NEW."issue_id",
1412 "issue_row"."state",
1413 NEW."id",
1414 "draft_id_v");
1415 END IF;
1416 RETURN NULL;
1417 END;
1418 $$;
1420 CREATE TRIGGER "write_event_initiative_revoked"
1421 AFTER UPDATE ON "initiative" FOR EACH ROW EXECUTE PROCEDURE
1422 "write_event_initiative_revoked_trigger"();
1424 COMMENT ON FUNCTION "write_event_initiative_revoked_trigger"() IS 'Implementation of trigger "write_event_initiative_revoked" on table "issue"';
1425 COMMENT ON TRIGGER "write_event_initiative_revoked" ON "initiative" IS 'Create entry in "event" table, when an initiative is revoked';
1428 CREATE FUNCTION "write_event_suggestion_created_trigger"()
1429 RETURNS TRIGGER
1430 LANGUAGE 'plpgsql' VOLATILE AS $$
1431 DECLARE
1432 "initiative_row" "initiative"%ROWTYPE;
1433 "issue_row" "issue"%ROWTYPE;
1434 BEGIN
1435 SELECT * INTO "initiative_row" FROM "initiative"
1436 WHERE "id" = NEW."initiative_id";
1437 SELECT * INTO "issue_row" FROM "issue"
1438 WHERE "id" = "initiative_row"."issue_id";
1439 INSERT INTO "event" (
1440 "event", "member_id",
1441 "issue_id", "state", "initiative_id", "suggestion_id"
1442 ) VALUES (
1443 'suggestion_created',
1444 NEW."author_id",
1445 "initiative_row"."issue_id",
1446 "issue_row"."state",
1447 "initiative_row"."id",
1448 NEW."id" );
1449 RETURN NULL;
1450 END;
1451 $$;
1453 CREATE TRIGGER "write_event_suggestion_created"
1454 AFTER INSERT ON "suggestion" FOR EACH ROW EXECUTE PROCEDURE
1455 "write_event_suggestion_created_trigger"();
1457 COMMENT ON FUNCTION "write_event_suggestion_created_trigger"() IS 'Implementation of trigger "write_event_suggestion_created" on table "issue"';
1458 COMMENT ON TRIGGER "write_event_suggestion_created" ON "suggestion" IS 'Create entry in "event" table on suggestion creation';
1462 ----------------------------
1463 -- Additional constraints --
1464 ----------------------------
1467 CREATE FUNCTION "issue_requires_first_initiative_trigger"()
1468 RETURNS TRIGGER
1469 LANGUAGE 'plpgsql' VOLATILE AS $$
1470 BEGIN
1471 IF NOT EXISTS (
1472 SELECT NULL FROM "initiative" WHERE "issue_id" = NEW."id"
1473 ) THEN
1474 RAISE EXCEPTION 'Cannot create issue without an initial initiative.' USING
1475 ERRCODE = 'integrity_constraint_violation',
1476 HINT = 'Create issue, initiative, and draft within the same transaction.';
1477 END IF;
1478 RETURN NULL;
1479 END;
1480 $$;
1482 CREATE CONSTRAINT TRIGGER "issue_requires_first_initiative"
1483 AFTER INSERT OR UPDATE ON "issue" DEFERRABLE INITIALLY DEFERRED
1484 FOR EACH ROW EXECUTE PROCEDURE
1485 "issue_requires_first_initiative_trigger"();
1487 COMMENT ON FUNCTION "issue_requires_first_initiative_trigger"() IS 'Implementation of trigger "issue_requires_first_initiative" on table "issue"';
1488 COMMENT ON TRIGGER "issue_requires_first_initiative" ON "issue" IS 'Ensure that new issues have at least one initiative';
1491 CREATE FUNCTION "last_initiative_deletes_issue_trigger"()
1492 RETURNS TRIGGER
1493 LANGUAGE 'plpgsql' VOLATILE AS $$
1494 DECLARE
1495 "reference_lost" BOOLEAN;
1496 BEGIN
1497 IF TG_OP = 'DELETE' THEN
1498 "reference_lost" := TRUE;
1499 ELSE
1500 "reference_lost" := NEW."issue_id" != OLD."issue_id";
1501 END IF;
1502 IF
1503 "reference_lost" AND NOT EXISTS (
1504 SELECT NULL FROM "initiative" WHERE "issue_id" = OLD."issue_id"
1505 )
1506 THEN
1507 DELETE FROM "issue" WHERE "id" = OLD."issue_id";
1508 END IF;
1509 RETURN NULL;
1510 END;
1511 $$;
1513 CREATE CONSTRAINT TRIGGER "last_initiative_deletes_issue"
1514 AFTER UPDATE OR DELETE ON "initiative" DEFERRABLE INITIALLY DEFERRED
1515 FOR EACH ROW EXECUTE PROCEDURE
1516 "last_initiative_deletes_issue_trigger"();
1518 COMMENT ON FUNCTION "last_initiative_deletes_issue_trigger"() IS 'Implementation of trigger "last_initiative_deletes_issue" on table "initiative"';
1519 COMMENT ON TRIGGER "last_initiative_deletes_issue" ON "initiative" IS 'Removing the last initiative of an issue deletes the issue';
1522 CREATE FUNCTION "initiative_requires_first_draft_trigger"()
1523 RETURNS TRIGGER
1524 LANGUAGE 'plpgsql' VOLATILE AS $$
1525 BEGIN
1526 IF NOT EXISTS (
1527 SELECT NULL FROM "draft" WHERE "initiative_id" = NEW."id"
1528 ) THEN
1529 RAISE EXCEPTION 'Cannot create initiative without an initial draft.' USING
1530 ERRCODE = 'integrity_constraint_violation',
1531 HINT = 'Create issue, initiative and draft within the same transaction.';
1532 END IF;
1533 RETURN NULL;
1534 END;
1535 $$;
1537 CREATE CONSTRAINT TRIGGER "initiative_requires_first_draft"
1538 AFTER INSERT OR UPDATE ON "initiative" DEFERRABLE INITIALLY DEFERRED
1539 FOR EACH ROW EXECUTE PROCEDURE
1540 "initiative_requires_first_draft_trigger"();
1542 COMMENT ON FUNCTION "initiative_requires_first_draft_trigger"() IS 'Implementation of trigger "initiative_requires_first_draft" on table "initiative"';
1543 COMMENT ON TRIGGER "initiative_requires_first_draft" ON "initiative" IS 'Ensure that new initiatives have at least one draft';
1546 CREATE FUNCTION "last_draft_deletes_initiative_trigger"()
1547 RETURNS TRIGGER
1548 LANGUAGE 'plpgsql' VOLATILE AS $$
1549 DECLARE
1550 "reference_lost" BOOLEAN;
1551 BEGIN
1552 IF TG_OP = 'DELETE' THEN
1553 "reference_lost" := TRUE;
1554 ELSE
1555 "reference_lost" := NEW."initiative_id" != OLD."initiative_id";
1556 END IF;
1557 IF
1558 "reference_lost" AND NOT EXISTS (
1559 SELECT NULL FROM "draft" WHERE "initiative_id" = OLD."initiative_id"
1560 )
1561 THEN
1562 DELETE FROM "initiative" WHERE "id" = OLD."initiative_id";
1563 END IF;
1564 RETURN NULL;
1565 END;
1566 $$;
1568 CREATE CONSTRAINT TRIGGER "last_draft_deletes_initiative"
1569 AFTER UPDATE OR DELETE ON "draft" DEFERRABLE INITIALLY DEFERRED
1570 FOR EACH ROW EXECUTE PROCEDURE
1571 "last_draft_deletes_initiative_trigger"();
1573 COMMENT ON FUNCTION "last_draft_deletes_initiative_trigger"() IS 'Implementation of trigger "last_draft_deletes_initiative" on table "draft"';
1574 COMMENT ON TRIGGER "last_draft_deletes_initiative" ON "draft" IS 'Removing the last draft of an initiative deletes the initiative';
1577 CREATE FUNCTION "suggestion_requires_first_opinion_trigger"()
1578 RETURNS TRIGGER
1579 LANGUAGE 'plpgsql' VOLATILE AS $$
1580 BEGIN
1581 IF NOT EXISTS (
1582 SELECT NULL FROM "opinion" WHERE "suggestion_id" = NEW."id"
1583 ) THEN
1584 RAISE EXCEPTION 'Cannot create a suggestion without an opinion.' USING
1585 ERRCODE = 'integrity_constraint_violation',
1586 HINT = 'Create suggestion and opinion within the same transaction.';
1587 END IF;
1588 RETURN NULL;
1589 END;
1590 $$;
1592 CREATE CONSTRAINT TRIGGER "suggestion_requires_first_opinion"
1593 AFTER INSERT OR UPDATE ON "suggestion" DEFERRABLE INITIALLY DEFERRED
1594 FOR EACH ROW EXECUTE PROCEDURE
1595 "suggestion_requires_first_opinion_trigger"();
1597 COMMENT ON FUNCTION "suggestion_requires_first_opinion_trigger"() IS 'Implementation of trigger "suggestion_requires_first_opinion" on table "suggestion"';
1598 COMMENT ON TRIGGER "suggestion_requires_first_opinion" ON "suggestion" IS 'Ensure that new suggestions have at least one opinion';
1601 CREATE FUNCTION "last_opinion_deletes_suggestion_trigger"()
1602 RETURNS TRIGGER
1603 LANGUAGE 'plpgsql' VOLATILE AS $$
1604 DECLARE
1605 "reference_lost" BOOLEAN;
1606 BEGIN
1607 IF TG_OP = 'DELETE' THEN
1608 "reference_lost" := TRUE;
1609 ELSE
1610 "reference_lost" := NEW."suggestion_id" != OLD."suggestion_id";
1611 END IF;
1612 IF
1613 "reference_lost" AND NOT EXISTS (
1614 SELECT NULL FROM "opinion" WHERE "suggestion_id" = OLD."suggestion_id"
1615 )
1616 THEN
1617 DELETE FROM "suggestion" WHERE "id" = OLD."suggestion_id";
1618 END IF;
1619 RETURN NULL;
1620 END;
1621 $$;
1623 CREATE CONSTRAINT TRIGGER "last_opinion_deletes_suggestion"
1624 AFTER UPDATE OR DELETE ON "opinion" DEFERRABLE INITIALLY DEFERRED
1625 FOR EACH ROW EXECUTE PROCEDURE
1626 "last_opinion_deletes_suggestion_trigger"();
1628 COMMENT ON FUNCTION "last_opinion_deletes_suggestion_trigger"() IS 'Implementation of trigger "last_opinion_deletes_suggestion" on table "opinion"';
1629 COMMENT ON TRIGGER "last_opinion_deletes_suggestion" ON "opinion" IS 'Removing the last opinion of a suggestion deletes the suggestion';
1632 CREATE FUNCTION "non_voter_deletes_direct_voter_trigger"()
1633 RETURNS TRIGGER
1634 LANGUAGE 'plpgsql' VOLATILE AS $$
1635 BEGIN
1636 DELETE FROM "direct_voter"
1637 WHERE "issue_id" = NEW."issue_id" AND "member_id" = NEW."member_id";
1638 RETURN NULL;
1639 END;
1640 $$;
1642 CREATE TRIGGER "non_voter_deletes_direct_voter"
1643 AFTER INSERT OR UPDATE ON "non_voter"
1644 FOR EACH ROW EXECUTE PROCEDURE
1645 "non_voter_deletes_direct_voter_trigger"();
1647 COMMENT ON FUNCTION "non_voter_deletes_direct_voter_trigger"() IS 'Implementation of trigger "non_voter_deletes_direct_voter" on table "non_voter"';
1648 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")';
1651 CREATE FUNCTION "direct_voter_deletes_non_voter_trigger"()
1652 RETURNS TRIGGER
1653 LANGUAGE 'plpgsql' VOLATILE AS $$
1654 BEGIN
1655 DELETE FROM "non_voter"
1656 WHERE "issue_id" = NEW."issue_id" AND "member_id" = NEW."member_id";
1657 RETURN NULL;
1658 END;
1659 $$;
1661 CREATE TRIGGER "direct_voter_deletes_non_voter"
1662 AFTER INSERT OR UPDATE ON "direct_voter"
1663 FOR EACH ROW EXECUTE PROCEDURE
1664 "direct_voter_deletes_non_voter_trigger"();
1666 COMMENT ON FUNCTION "direct_voter_deletes_non_voter_trigger"() IS 'Implementation of trigger "direct_voter_deletes_non_voter" on table "direct_voter"';
1667 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")';
1670 CREATE FUNCTION "voter_comment_fields_only_set_when_voter_comment_is_set_trigger"()
1671 RETURNS TRIGGER
1672 LANGUAGE 'plpgsql' VOLATILE AS $$
1673 BEGIN
1674 IF NEW."comment" ISNULL THEN
1675 NEW."comment_changed" := NULL;
1676 NEW."formatting_engine" := NULL;
1677 END IF;
1678 RETURN NEW;
1679 END;
1680 $$;
1682 CREATE TRIGGER "voter_comment_fields_only_set_when_voter_comment_is_set"
1683 BEFORE INSERT OR UPDATE ON "direct_voter"
1684 FOR EACH ROW EXECUTE PROCEDURE
1685 "voter_comment_fields_only_set_when_voter_comment_is_set_trigger"();
1687 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"';
1688 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.';
1691 ---------------------------------------------------------------
1692 -- Ensure that votes are not modified when issues are closed --
1693 ---------------------------------------------------------------
1695 -- NOTE: Frontends should ensure this anyway, but in case of programming
1696 -- errors the following triggers ensure data integrity.
1699 CREATE FUNCTION "forbid_changes_on_closed_issue_trigger"()
1700 RETURNS TRIGGER
1701 LANGUAGE 'plpgsql' VOLATILE AS $$
1702 DECLARE
1703 "issue_id_v" "issue"."id"%TYPE;
1704 "issue_row" "issue"%ROWTYPE;
1705 BEGIN
1706 IF EXISTS (
1707 SELECT NULL FROM "temporary_transaction_data"
1708 WHERE "txid" = txid_current()
1709 AND "key" = 'override_protection_triggers'
1710 AND "value" = TRUE::TEXT
1711 ) THEN
1712 RETURN NULL;
1713 END IF;
1714 IF TG_OP = 'DELETE' THEN
1715 "issue_id_v" := OLD."issue_id";
1716 ELSE
1717 "issue_id_v" := NEW."issue_id";
1718 END IF;
1719 SELECT INTO "issue_row" * FROM "issue"
1720 WHERE "id" = "issue_id_v" FOR SHARE;
1721 IF (
1722 "issue_row"."closed" NOTNULL OR (
1723 "issue_row"."state" = 'voting' AND
1724 "issue_row"."phase_finished" NOTNULL
1725 )
1726 ) THEN
1727 IF
1728 TG_RELID = 'direct_voter'::regclass AND
1729 TG_OP = 'UPDATE'
1730 THEN
1731 IF
1732 OLD."issue_id" = NEW."issue_id" AND
1733 OLD."member_id" = NEW."member_id" AND
1734 OLD."weight" = NEW."weight"
1735 THEN
1736 RETURN NULL; -- allows changing of voter comment
1737 END IF;
1738 END IF;
1739 RAISE EXCEPTION 'Tried to modify data after voting has been closed.' USING
1740 ERRCODE = 'integrity_constraint_violation';
1741 END IF;
1742 RETURN NULL;
1743 END;
1744 $$;
1746 CREATE TRIGGER "forbid_changes_on_closed_issue"
1747 AFTER INSERT OR UPDATE OR DELETE ON "direct_voter"
1748 FOR EACH ROW EXECUTE PROCEDURE
1749 "forbid_changes_on_closed_issue_trigger"();
1751 CREATE TRIGGER "forbid_changes_on_closed_issue"
1752 AFTER INSERT OR UPDATE OR DELETE ON "delegating_voter"
1753 FOR EACH ROW EXECUTE PROCEDURE
1754 "forbid_changes_on_closed_issue_trigger"();
1756 CREATE TRIGGER "forbid_changes_on_closed_issue"
1757 AFTER INSERT OR UPDATE OR DELETE ON "vote"
1758 FOR EACH ROW EXECUTE PROCEDURE
1759 "forbid_changes_on_closed_issue_trigger"();
1761 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"';
1762 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';
1763 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';
1764 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';
1768 --------------------------------------------------------------------
1769 -- Auto-retrieval of fields only needed for referential integrity --
1770 --------------------------------------------------------------------
1773 CREATE FUNCTION "autofill_issue_id_trigger"()
1774 RETURNS TRIGGER
1775 LANGUAGE 'plpgsql' VOLATILE AS $$
1776 BEGIN
1777 IF NEW."issue_id" ISNULL THEN
1778 SELECT "issue_id" INTO NEW."issue_id"
1779 FROM "initiative" WHERE "id" = NEW."initiative_id";
1780 END IF;
1781 RETURN NEW;
1782 END;
1783 $$;
1785 CREATE TRIGGER "autofill_issue_id" BEFORE INSERT ON "supporter"
1786 FOR EACH ROW EXECUTE PROCEDURE "autofill_issue_id_trigger"();
1788 CREATE TRIGGER "autofill_issue_id" BEFORE INSERT ON "vote"
1789 FOR EACH ROW EXECUTE PROCEDURE "autofill_issue_id_trigger"();
1791 COMMENT ON FUNCTION "autofill_issue_id_trigger"() IS 'Implementation of triggers "autofill_issue_id" on tables "supporter" and "vote"';
1792 COMMENT ON TRIGGER "autofill_issue_id" ON "supporter" IS 'Set "issue_id" field automatically, if NULL';
1793 COMMENT ON TRIGGER "autofill_issue_id" ON "vote" IS 'Set "issue_id" field automatically, if NULL';
1796 CREATE FUNCTION "autofill_initiative_id_trigger"()
1797 RETURNS TRIGGER
1798 LANGUAGE 'plpgsql' VOLATILE AS $$
1799 BEGIN
1800 IF NEW."initiative_id" ISNULL THEN
1801 SELECT "initiative_id" INTO NEW."initiative_id"
1802 FROM "suggestion" WHERE "id" = NEW."suggestion_id";
1803 END IF;
1804 RETURN NEW;
1805 END;
1806 $$;
1808 CREATE TRIGGER "autofill_initiative_id" BEFORE INSERT ON "opinion"
1809 FOR EACH ROW EXECUTE PROCEDURE "autofill_initiative_id_trigger"();
1811 COMMENT ON FUNCTION "autofill_initiative_id_trigger"() IS 'Implementation of trigger "autofill_initiative_id" on table "opinion"';
1812 COMMENT ON TRIGGER "autofill_initiative_id" ON "opinion" IS 'Set "initiative_id" field automatically, if NULL';
1816 -----------------------------------------------------
1817 -- Automatic calculation of certain default values --
1818 -----------------------------------------------------
1821 CREATE FUNCTION "copy_timings_trigger"()
1822 RETURNS TRIGGER
1823 LANGUAGE 'plpgsql' VOLATILE AS $$
1824 DECLARE
1825 "policy_row" "policy"%ROWTYPE;
1826 BEGIN
1827 SELECT * INTO "policy_row" FROM "policy"
1828 WHERE "id" = NEW."policy_id";
1829 IF NEW."min_admission_time" ISNULL THEN
1830 NEW."min_admission_time" := "policy_row"."min_admission_time";
1831 END IF;
1832 IF NEW."max_admission_time" ISNULL THEN
1833 NEW."max_admission_time" := "policy_row"."max_admission_time";
1834 END IF;
1835 IF NEW."discussion_time" ISNULL THEN
1836 NEW."discussion_time" := "policy_row"."discussion_time";
1837 END IF;
1838 IF NEW."verification_time" ISNULL THEN
1839 NEW."verification_time" := "policy_row"."verification_time";
1840 END IF;
1841 IF NEW."voting_time" ISNULL THEN
1842 NEW."voting_time" := "policy_row"."voting_time";
1843 END IF;
1844 RETURN NEW;
1845 END;
1846 $$;
1848 CREATE TRIGGER "copy_timings" BEFORE INSERT OR UPDATE ON "issue"
1849 FOR EACH ROW EXECUTE PROCEDURE "copy_timings_trigger"();
1851 COMMENT ON FUNCTION "copy_timings_trigger"() IS 'Implementation of trigger "copy_timings" on table "issue"';
1852 COMMENT ON TRIGGER "copy_timings" ON "issue" IS 'If timing fields are NULL, copy values from policy.';
1855 CREATE FUNCTION "default_for_draft_id_trigger"()
1856 RETURNS TRIGGER
1857 LANGUAGE 'plpgsql' VOLATILE AS $$
1858 BEGIN
1859 IF NEW."draft_id" ISNULL THEN
1860 SELECT "id" INTO NEW."draft_id" FROM "current_draft"
1861 WHERE "initiative_id" = NEW."initiative_id";
1862 END IF;
1863 RETURN NEW;
1864 END;
1865 $$;
1867 CREATE TRIGGER "default_for_draft_id" BEFORE INSERT OR UPDATE ON "suggestion"
1868 FOR EACH ROW EXECUTE PROCEDURE "default_for_draft_id_trigger"();
1869 CREATE TRIGGER "default_for_draft_id" BEFORE INSERT OR UPDATE ON "supporter"
1870 FOR EACH ROW EXECUTE PROCEDURE "default_for_draft_id_trigger"();
1872 COMMENT ON FUNCTION "default_for_draft_id_trigger"() IS 'Implementation of trigger "default_for_draft" on tables "supporter" and "suggestion"';
1873 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';
1874 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';
1878 ----------------------------------------
1879 -- Automatic creation of dependencies --
1880 ----------------------------------------
1883 CREATE FUNCTION "autocreate_interest_trigger"()
1884 RETURNS TRIGGER
1885 LANGUAGE 'plpgsql' VOLATILE AS $$
1886 BEGIN
1887 IF NOT EXISTS (
1888 SELECT NULL FROM "initiative" JOIN "interest"
1889 ON "initiative"."issue_id" = "interest"."issue_id"
1890 WHERE "initiative"."id" = NEW."initiative_id"
1891 AND "interest"."member_id" = NEW."member_id"
1892 ) THEN
1893 BEGIN
1894 INSERT INTO "interest" ("issue_id", "member_id")
1895 SELECT "issue_id", NEW."member_id"
1896 FROM "initiative" WHERE "id" = NEW."initiative_id";
1897 EXCEPTION WHEN unique_violation THEN END;
1898 END IF;
1899 RETURN NEW;
1900 END;
1901 $$;
1903 CREATE TRIGGER "autocreate_interest" BEFORE INSERT ON "supporter"
1904 FOR EACH ROW EXECUTE PROCEDURE "autocreate_interest_trigger"();
1906 COMMENT ON FUNCTION "autocreate_interest_trigger"() IS 'Implementation of trigger "autocreate_interest" on table "supporter"';
1907 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';
1910 CREATE FUNCTION "autocreate_supporter_trigger"()
1911 RETURNS TRIGGER
1912 LANGUAGE 'plpgsql' VOLATILE AS $$
1913 BEGIN
1914 IF NOT EXISTS (
1915 SELECT NULL FROM "suggestion" JOIN "supporter"
1916 ON "suggestion"."initiative_id" = "supporter"."initiative_id"
1917 WHERE "suggestion"."id" = NEW."suggestion_id"
1918 AND "supporter"."member_id" = NEW."member_id"
1919 ) THEN
1920 BEGIN
1921 INSERT INTO "supporter" ("initiative_id", "member_id")
1922 SELECT "initiative_id", NEW."member_id"
1923 FROM "suggestion" WHERE "id" = NEW."suggestion_id";
1924 EXCEPTION WHEN unique_violation THEN END;
1925 END IF;
1926 RETURN NEW;
1927 END;
1928 $$;
1930 CREATE TRIGGER "autocreate_supporter" BEFORE INSERT ON "opinion"
1931 FOR EACH ROW EXECUTE PROCEDURE "autocreate_supporter_trigger"();
1933 COMMENT ON FUNCTION "autocreate_supporter_trigger"() IS 'Implementation of trigger "autocreate_supporter" on table "opinion"';
1934 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.';
1938 ------------------------------------------
1939 -- Views and helper functions for views --
1940 ------------------------------------------
1943 CREATE VIEW "unit_delegation" AS
1944 SELECT
1945 "unit"."id" AS "unit_id",
1946 "delegation"."id",
1947 "delegation"."truster_id",
1948 "delegation"."trustee_id",
1949 "delegation"."scope"
1950 FROM "unit"
1951 JOIN "delegation"
1952 ON "delegation"."unit_id" = "unit"."id"
1953 JOIN "member"
1954 ON "delegation"."truster_id" = "member"."id"
1955 JOIN "privilege"
1956 ON "delegation"."unit_id" = "privilege"."unit_id"
1957 AND "delegation"."truster_id" = "privilege"."member_id"
1958 WHERE "member"."active" AND "privilege"."voting_right";
1960 COMMENT ON VIEW "unit_delegation" IS 'Unit delegations where trusters are active and have voting right';
1963 CREATE VIEW "area_delegation" AS
1964 SELECT DISTINCT ON ("area"."id", "delegation"."truster_id")
1965 "area"."id" AS "area_id",
1966 "delegation"."id",
1967 "delegation"."truster_id",
1968 "delegation"."trustee_id",
1969 "delegation"."scope"
1970 FROM "area"
1971 JOIN "delegation"
1972 ON "delegation"."unit_id" = "area"."unit_id"
1973 OR "delegation"."area_id" = "area"."id"
1974 JOIN "member"
1975 ON "delegation"."truster_id" = "member"."id"
1976 JOIN "privilege"
1977 ON "area"."unit_id" = "privilege"."unit_id"
1978 AND "delegation"."truster_id" = "privilege"."member_id"
1979 WHERE "member"."active" AND "privilege"."voting_right"
1980 ORDER BY
1981 "area"."id",
1982 "delegation"."truster_id",
1983 "delegation"."scope" DESC;
1985 COMMENT ON VIEW "area_delegation" IS 'Area delegations where trusters are active and have voting right';
1988 CREATE VIEW "issue_delegation" AS
1989 SELECT DISTINCT ON ("issue"."id", "delegation"."truster_id")
1990 "issue"."id" AS "issue_id",
1991 "delegation"."id",
1992 "delegation"."truster_id",
1993 "delegation"."trustee_id",
1994 "delegation"."scope"
1995 FROM "issue"
1996 JOIN "area"
1997 ON "area"."id" = "issue"."area_id"
1998 JOIN "delegation"
1999 ON "delegation"."unit_id" = "area"."unit_id"
2000 OR "delegation"."area_id" = "area"."id"
2001 OR "delegation"."issue_id" = "issue"."id"
2002 JOIN "member"
2003 ON "delegation"."truster_id" = "member"."id"
2004 JOIN "privilege"
2005 ON "area"."unit_id" = "privilege"."unit_id"
2006 AND "delegation"."truster_id" = "privilege"."member_id"
2007 WHERE "member"."active" AND "privilege"."voting_right"
2008 ORDER BY
2009 "issue"."id",
2010 "delegation"."truster_id",
2011 "delegation"."scope" DESC;
2013 COMMENT ON VIEW "issue_delegation" IS 'Issue delegations where trusters are active and have voting right';
2016 CREATE FUNCTION "membership_weight_with_skipping"
2017 ( "area_id_p" "area"."id"%TYPE,
2018 "member_id_p" "member"."id"%TYPE,
2019 "skip_member_ids_p" INT4[] ) -- "member"."id"%TYPE[]
2020 RETURNS INT4
2021 LANGUAGE 'plpgsql' STABLE AS $$
2022 DECLARE
2023 "sum_v" INT4;
2024 "delegation_row" "area_delegation"%ROWTYPE;
2025 BEGIN
2026 "sum_v" := 1;
2027 FOR "delegation_row" IN
2028 SELECT "area_delegation".*
2029 FROM "area_delegation" LEFT JOIN "membership"
2030 ON "membership"."area_id" = "area_id_p"
2031 AND "membership"."member_id" = "area_delegation"."truster_id"
2032 WHERE "area_delegation"."area_id" = "area_id_p"
2033 AND "area_delegation"."trustee_id" = "member_id_p"
2034 AND "membership"."member_id" ISNULL
2035 LOOP
2036 IF NOT
2037 "skip_member_ids_p" @> ARRAY["delegation_row"."truster_id"]
2038 THEN
2039 "sum_v" := "sum_v" + "membership_weight_with_skipping"(
2040 "area_id_p",
2041 "delegation_row"."truster_id",
2042 "skip_member_ids_p" || "delegation_row"."truster_id"
2043 );
2044 END IF;
2045 END LOOP;
2046 RETURN "sum_v";
2047 END;
2048 $$;
2050 COMMENT ON FUNCTION "membership_weight_with_skipping"
2051 ( "area"."id"%TYPE,
2052 "member"."id"%TYPE,
2053 INT4[] )
2054 IS 'Helper function for "membership_weight" function';
2057 CREATE FUNCTION "membership_weight"
2058 ( "area_id_p" "area"."id"%TYPE,
2059 "member_id_p" "member"."id"%TYPE ) -- "member"."id"%TYPE[]
2060 RETURNS INT4
2061 LANGUAGE 'plpgsql' STABLE AS $$
2062 BEGIN
2063 RETURN "membership_weight_with_skipping"(
2064 "area_id_p",
2065 "member_id_p",
2066 ARRAY["member_id_p"]
2067 );
2068 END;
2069 $$;
2071 COMMENT ON FUNCTION "membership_weight"
2072 ( "area"."id"%TYPE,
2073 "member"."id"%TYPE )
2074 IS 'Calculates the potential voting weight of a member in a given area';
2077 CREATE VIEW "member_count_view" AS
2078 SELECT count(1) AS "total_count" FROM "member" WHERE "active";
2080 COMMENT ON VIEW "member_count_view" IS 'View used to update "member_count" table';
2083 CREATE VIEW "unit_member_count" AS
2084 SELECT
2085 "unit"."id" AS "unit_id",
2086 count("member"."id") AS "member_count"
2087 FROM "unit"
2088 LEFT JOIN "privilege"
2089 ON "privilege"."unit_id" = "unit"."id"
2090 AND "privilege"."voting_right"
2091 LEFT JOIN "member"
2092 ON "member"."id" = "privilege"."member_id"
2093 AND "member"."active"
2094 GROUP BY "unit"."id";
2096 COMMENT ON VIEW "unit_member_count" IS 'View used to update "member_count" column of "unit" table';
2099 CREATE VIEW "area_member_count" AS
2100 SELECT
2101 "area"."id" AS "area_id",
2102 count("member"."id") AS "direct_member_count",
2103 coalesce(
2104 sum(
2105 CASE WHEN "member"."id" NOTNULL THEN
2106 "membership_weight"("area"."id", "member"."id")
2107 ELSE 0 END
2108 )
2109 ) AS "member_weight"
2110 FROM "area"
2111 LEFT JOIN "membership"
2112 ON "area"."id" = "membership"."area_id"
2113 LEFT JOIN "privilege"
2114 ON "privilege"."unit_id" = "area"."unit_id"
2115 AND "privilege"."member_id" = "membership"."member_id"
2116 AND "privilege"."voting_right"
2117 LEFT JOIN "member"
2118 ON "member"."id" = "privilege"."member_id" -- NOTE: no membership here!
2119 AND "member"."active"
2120 GROUP BY "area"."id";
2122 COMMENT ON VIEW "area_member_count" IS 'View used to update "direct_member_count" and "member_weight" columns of table "area"';
2125 CREATE VIEW "opening_draft" AS
2126 SELECT "draft".* FROM (
2127 SELECT
2128 "initiative"."id" AS "initiative_id",
2129 min("draft"."id") AS "draft_id"
2130 FROM "initiative" JOIN "draft"
2131 ON "initiative"."id" = "draft"."initiative_id"
2132 GROUP BY "initiative"."id"
2133 ) AS "subquery"
2134 JOIN "draft" ON "subquery"."draft_id" = "draft"."id";
2136 COMMENT ON VIEW "opening_draft" IS 'First drafts of all initiatives';
2139 CREATE VIEW "current_draft" AS
2140 SELECT "draft".* FROM (
2141 SELECT
2142 "initiative"."id" AS "initiative_id",
2143 max("draft"."id") AS "draft_id"
2144 FROM "initiative" JOIN "draft"
2145 ON "initiative"."id" = "draft"."initiative_id"
2146 GROUP BY "initiative"."id"
2147 ) AS "subquery"
2148 JOIN "draft" ON "subquery"."draft_id" = "draft"."id";
2150 COMMENT ON VIEW "current_draft" IS 'All latest drafts for each initiative';
2153 CREATE VIEW "critical_opinion" AS
2154 SELECT * FROM "opinion"
2155 WHERE ("degree" = 2 AND "fulfilled" = FALSE)
2156 OR ("degree" = -2 AND "fulfilled" = TRUE);
2158 COMMENT ON VIEW "critical_opinion" IS 'Opinions currently causing dissatisfaction';
2161 CREATE VIEW "issue_supporter_in_admission_state" AS
2162 SELECT DISTINCT -- TODO: DISTINCT needed?
2163 "area"."unit_id",
2164 "issue"."area_id",
2165 "issue"."id" AS "issue_id",
2166 "supporter"."member_id",
2167 "direct_interest_snapshot"."weight"
2168 FROM "issue"
2169 JOIN "area" ON "area"."id" = "issue"."area_id"
2170 JOIN "supporter" ON "supporter"."issue_id" = "issue"."id"
2171 JOIN "direct_interest_snapshot"
2172 ON "direct_interest_snapshot"."issue_id" = "issue"."id"
2173 AND "direct_interest_snapshot"."event" = "issue"."latest_snapshot_event"
2174 AND "direct_interest_snapshot"."member_id" = "supporter"."member_id"
2175 WHERE "issue"."state" = 'admission'::"issue_state";
2177 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';
2180 CREATE VIEW "initiative_suggestion_order_calculation" AS
2181 SELECT
2182 "initiative"."id" AS "initiative_id",
2183 ("issue"."closed" NOTNULL OR "issue"."fully_frozen" NOTNULL) AS "final"
2184 FROM "initiative" JOIN "issue"
2185 ON "initiative"."issue_id" = "issue"."id"
2186 WHERE ("issue"."closed" ISNULL AND "issue"."fully_frozen" ISNULL)
2187 OR ("initiative"."final_suggestion_order_calculated" = FALSE);
2189 COMMENT ON VIEW "initiative_suggestion_order_calculation" IS 'Initiatives, where the "proportional_order" of its suggestions has to be calculated';
2191 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';
2194 CREATE VIEW "individual_suggestion_ranking" AS
2195 SELECT
2196 "opinion"."initiative_id",
2197 "opinion"."member_id",
2198 "direct_interest_snapshot"."weight",
2199 CASE WHEN
2200 ("opinion"."degree" = 2 AND "opinion"."fulfilled" = FALSE) OR
2201 ("opinion"."degree" = -2 AND "opinion"."fulfilled" = TRUE)
2202 THEN 1 ELSE
2203 CASE WHEN
2204 ("opinion"."degree" = 1 AND "opinion"."fulfilled" = FALSE) OR
2205 ("opinion"."degree" = -1 AND "opinion"."fulfilled" = TRUE)
2206 THEN 2 ELSE
2207 CASE WHEN
2208 ("opinion"."degree" = 2 AND "opinion"."fulfilled" = TRUE) OR
2209 ("opinion"."degree" = -2 AND "opinion"."fulfilled" = FALSE)
2210 THEN 3 ELSE 4 END
2211 END
2212 END AS "preference",
2213 "opinion"."suggestion_id"
2214 FROM "opinion"
2215 JOIN "initiative" ON "initiative"."id" = "opinion"."initiative_id"
2216 JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
2217 JOIN "direct_interest_snapshot"
2218 ON "direct_interest_snapshot"."issue_id" = "issue"."id"
2219 AND "direct_interest_snapshot"."event" = "issue"."latest_snapshot_event"
2220 AND "direct_interest_snapshot"."member_id" = "opinion"."member_id";
2222 COMMENT ON VIEW "individual_suggestion_ranking" IS 'Helper view for "lf_update_suggestion_order" to allow a proportional ordering of suggestions within an initiative';
2225 CREATE VIEW "battle_participant" AS
2226 SELECT "initiative"."id", "initiative"."issue_id"
2227 FROM "issue" JOIN "initiative"
2228 ON "issue"."id" = "initiative"."issue_id"
2229 WHERE "initiative"."admitted"
2230 UNION ALL
2231 SELECT NULL, "id" AS "issue_id"
2232 FROM "issue";
2234 COMMENT ON VIEW "battle_participant" IS 'Helper view for "battle_view" containing admitted initiatives plus virtual "status-quo" initiative denoted by NULL reference';
2237 CREATE VIEW "battle_view" AS
2238 SELECT
2239 "issue"."id" AS "issue_id",
2240 "winning_initiative"."id" AS "winning_initiative_id",
2241 "losing_initiative"."id" AS "losing_initiative_id",
2242 sum(
2243 CASE WHEN
2244 coalesce("better_vote"."grade", 0) >
2245 coalesce("worse_vote"."grade", 0)
2246 THEN "direct_voter"."weight" ELSE 0 END
2247 ) AS "count"
2248 FROM "issue"
2249 LEFT JOIN "direct_voter"
2250 ON "issue"."id" = "direct_voter"."issue_id"
2251 JOIN "battle_participant" AS "winning_initiative"
2252 ON "issue"."id" = "winning_initiative"."issue_id"
2253 JOIN "battle_participant" AS "losing_initiative"
2254 ON "issue"."id" = "losing_initiative"."issue_id"
2255 LEFT JOIN "vote" AS "better_vote"
2256 ON "direct_voter"."member_id" = "better_vote"."member_id"
2257 AND "winning_initiative"."id" = "better_vote"."initiative_id"
2258 LEFT JOIN "vote" AS "worse_vote"
2259 ON "direct_voter"."member_id" = "worse_vote"."member_id"
2260 AND "losing_initiative"."id" = "worse_vote"."initiative_id"
2261 WHERE "issue"."state" = 'voting'
2262 AND "issue"."phase_finished" NOTNULL
2263 AND (
2264 "winning_initiative"."id" != "losing_initiative"."id" OR
2265 ( ("winning_initiative"."id" NOTNULL AND "losing_initiative"."id" ISNULL) OR
2266 ("winning_initiative"."id" ISNULL AND "losing_initiative"."id" NOTNULL) ) )
2267 GROUP BY
2268 "issue"."id",
2269 "winning_initiative"."id",
2270 "losing_initiative"."id";
2272 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';
2275 CREATE VIEW "expired_session" AS
2276 SELECT * FROM "session" WHERE now() > "expiry";
2278 CREATE RULE "delete" AS ON DELETE TO "expired_session" DO INSTEAD
2279 DELETE FROM "session" WHERE "ident" = OLD."ident";
2281 COMMENT ON VIEW "expired_session" IS 'View containing all expired sessions where DELETE is possible';
2282 COMMENT ON RULE "delete" ON "expired_session" IS 'Rule allowing DELETE on rows in "expired_session" view, i.e. DELETE FROM "expired_session"';
2285 CREATE VIEW "open_issue" AS
2286 SELECT * FROM "issue" WHERE "closed" ISNULL;
2288 COMMENT ON VIEW "open_issue" IS 'All open issues';
2291 CREATE VIEW "member_contingent" AS
2292 SELECT
2293 "member"."id" AS "member_id",
2294 "contingent"."polling",
2295 "contingent"."time_frame",
2296 CASE WHEN "contingent"."text_entry_limit" NOTNULL THEN
2297 (
2298 SELECT count(1) FROM "draft"
2299 JOIN "initiative" ON "initiative"."id" = "draft"."initiative_id"
2300 WHERE "draft"."author_id" = "member"."id"
2301 AND "initiative"."polling" = "contingent"."polling"
2302 AND "draft"."created" > now() - "contingent"."time_frame"
2303 ) + (
2304 SELECT count(1) FROM "suggestion"
2305 JOIN "initiative" ON "initiative"."id" = "suggestion"."initiative_id"
2306 WHERE "suggestion"."author_id" = "member"."id"
2307 AND "contingent"."polling" = FALSE
2308 AND "suggestion"."created" > now() - "contingent"."time_frame"
2309 )
2310 ELSE NULL END AS "text_entry_count",
2311 "contingent"."text_entry_limit",
2312 CASE WHEN "contingent"."initiative_limit" NOTNULL THEN (
2313 SELECT count(1) FROM "opening_draft" AS "draft"
2314 JOIN "initiative" ON "initiative"."id" = "draft"."initiative_id"
2315 WHERE "draft"."author_id" = "member"."id"
2316 AND "initiative"."polling" = "contingent"."polling"
2317 AND "draft"."created" > now() - "contingent"."time_frame"
2318 ) ELSE NULL END AS "initiative_count",
2319 "contingent"."initiative_limit"
2320 FROM "member" CROSS JOIN "contingent";
2322 COMMENT ON VIEW "member_contingent" IS 'Actual counts of text entries and initiatives are calculated per member for each limit in the "contingent" table.';
2324 COMMENT ON COLUMN "member_contingent"."text_entry_count" IS 'Only calculated when "text_entry_limit" is not null in the same row';
2325 COMMENT ON COLUMN "member_contingent"."initiative_count" IS 'Only calculated when "initiative_limit" is not null in the same row';
2328 CREATE VIEW "member_contingent_left" AS
2329 SELECT
2330 "member_id",
2331 "polling",
2332 max("text_entry_limit" - "text_entry_count") AS "text_entries_left",
2333 max("initiative_limit" - "initiative_count") AS "initiatives_left"
2334 FROM "member_contingent" GROUP BY "member_id", "polling";
2336 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.';
2339 CREATE VIEW "event_seen_by_member" AS
2340 SELECT
2341 "member"."id" AS "seen_by_member_id",
2342 CASE WHEN "event"."state" IN (
2343 'voting',
2344 'finished_without_winner',
2345 'finished_with_winner'
2346 ) THEN
2347 'voting'::"notify_level"
2348 ELSE
2349 CASE WHEN "event"."state" IN (
2350 'verification',
2351 'canceled_after_revocation_during_verification',
2352 'canceled_no_initiative_admitted'
2353 ) THEN
2354 'verification'::"notify_level"
2355 ELSE
2356 CASE WHEN "event"."state" IN (
2357 'discussion',
2358 'canceled_after_revocation_during_discussion'
2359 ) THEN
2360 'discussion'::"notify_level"
2361 ELSE
2362 'all'::"notify_level"
2363 END
2364 END
2365 END AS "notify_level",
2366 "event".*
2367 FROM "member" CROSS JOIN "event"
2368 LEFT JOIN "issue"
2369 ON "event"."issue_id" = "issue"."id"
2370 LEFT JOIN "membership"
2371 ON "member"."id" = "membership"."member_id"
2372 AND "issue"."area_id" = "membership"."area_id"
2373 LEFT JOIN "interest"
2374 ON "member"."id" = "interest"."member_id"
2375 AND "event"."issue_id" = "interest"."issue_id"
2376 LEFT JOIN "ignored_member"
2377 ON "member"."id" = "ignored_member"."member_id"
2378 AND "event"."member_id" = "ignored_member"."other_member_id"
2379 LEFT JOIN "ignored_initiative"
2380 ON "member"."id" = "ignored_initiative"."member_id"
2381 AND "event"."initiative_id" = "ignored_initiative"."initiative_id"
2382 WHERE (
2383 "interest"."member_id" NOTNULL OR
2384 ( "membership"."member_id" NOTNULL AND
2385 "event"."event" IN (
2386 'issue_state_changed',
2387 'initiative_created_in_new_issue',
2388 'initiative_created_in_existing_issue',
2389 'initiative_revoked' ) ) )
2390 AND "ignored_member"."member_id" ISNULL
2391 AND "ignored_initiative"."member_id" ISNULL;
2393 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"';
2396 CREATE VIEW "relevant_issue_for_notification" AS
2397 SELECT
2398 "member"."id" AS "member_id",
2399 "issue"."id" AS "issue_id"
2400 FROM "member" CROSS JOIN "issue"
2401 JOIN "area" ON "area"."id" = "issue"."area_id"
2402 LEFT JOIN "privilege"
2403 ON "privilege"."member_id" = "member"."id"
2404 AND "privilege"."unit_id" = "area"."unit_id"
2405 LEFT JOIN "subscription"
2406 ON "subscription"."member_id" = "member"."id"
2407 AND "subscription"."unit_id" = "area"."unit_id"
2408 LEFT JOIN "interest"
2409 ON "interest"."member_id" = "member"."id"
2410 AND "interest"."issue_id" = "issue"."id"
2411 LEFT JOIN "ignored_area"
2412 ON "ignored_area"."member_id" = "member"."id"
2413 AND "ignored_area"."area_id" = "issue"."area_id"
2414 WHERE
2415 ( "privilege"."initiative_right" OR "privilege"."voting_right" OR
2416 "subscription"."member_id" NOTNULL ) AND
2417 ( ( "issue"."state" IN ('admission', 'discussion', 'verification') AND
2418 "interest"."member_id" NOTNULL ) OR
2419 ( "issue"."state" IN ('discussion', 'verification') AND
2420 "ignored_area"."member_id" ISNULL ) );
2422 COMMENT ON VIEW "relevant_issue_for_notification" IS 'Helper view for "issue_for_notification" containing issues which are relevant to the member';
2425 CREATE VIEW "new_issue_for_notification" AS
2426 SELECT DISTINCT ON ("member_id", "area_id")
2427 "member"."id" AS "member_id",
2428 "issue"."area_id" AS "area_id",
2429 "issue"."id" AS "issue_id"
2430 FROM "member" CROSS JOIN "issue"
2431 JOIN "area" ON "area"."id" = "issue"."area_id"
2432 LEFT JOIN "privilege"
2433 ON "privilege"."member_id" = "member"."id"
2434 AND "privilege"."unit_id" = "area"."unit_id"
2435 LEFT JOIN "subscription"
2436 ON "subscription"."member_id" = "member"."id"
2437 AND "subscription"."unit_id" = "area"."unit_id"
2438 LEFT JOIN "interest"
2439 ON "interest"."member_id" = "member"."id"
2440 AND "interest"."issue_id" = "issue"."id"
2441 LEFT JOIN "ignored_area"
2442 ON "ignored_area"."member_id" = "member"."id"
2443 AND "ignored_area"."area_id" = "issue"."area_id"
2444 LEFT JOIN
2445 ( "advertised_initiative" JOIN "initiative"
2446 ON "advertised_initiative"."initiative_id" = "initiative"."id" )
2447 ON "advertised_initiative"."member_id" = "member"."id"
2448 AND "initiative"."issue_id" = "issue"."id"
2449 JOIN "issue_order_in_admission_state"
2450 ON "issue_order_in_admission_state"."id" = "issue"."id"
2451 WHERE
2452 ( "privilege"."initiative_right" OR "privilege"."voting_right" OR
2453 "subscription"."member_id" NOTNULL ) AND
2454 "issue"."state" IN ('admission') AND
2455 "interest"."member_id" ISNULL AND
2456 "advertised_initiative"."member_id" ISNULL
2457 ORDER BY
2458 "member_id",
2459 "area_id",
2460 "issue_order_in_admission_state"."order_in_area";
2462 COMMENT ON VIEW "new_issue_for_notification" IS 'Helper view for "issue_for_notification" containing one not-yet-advertised issue per "area" which is in ''admission'' phase and has the best proportional ranking';
2465 CREATE VIEW "new_updated_issue_for_notification" AS
2466 SELECT
2467 "member"."id" AS "member_id",
2468 "issue"."id" AS "issue_id"
2469 FROM "member" CROSS JOIN "issue"
2470 WHERE FALSE; -- TODO
2472 COMMENT ON VIEW "new_updated_issue_for_notification" IS 'TODO';
2475 CREATE VIEW "issue_for_notification" AS
2476 SELECT "member_id", "issue_id" FROM "relevant_issue_for_notification"
2477 UNION
2478 SELECT "member_id", "issue_id" FROM "new_issue_for_notification"
2479 UNION
2480 SELECT "member_id", "issue_id" FROM "new_updated_issue_for_notification";
2482 COMMENT ON VIEW "issue_for_notification" IS 'Issues that are considered in notifications sent to the member';
2486 ------------------------------------------------------
2487 -- Row set returning function for delegation chains --
2488 ------------------------------------------------------
2491 CREATE TYPE "delegation_chain_loop_tag" AS ENUM
2492 ('first', 'intermediate', 'last', 'repetition');
2494 COMMENT ON TYPE "delegation_chain_loop_tag" IS 'Type for loop tags in "delegation_chain_row" type';
2497 CREATE TYPE "delegation_chain_row" AS (
2498 "index" INT4,
2499 "member_id" INT4,
2500 "member_valid" BOOLEAN,
2501 "participation" BOOLEAN,
2502 "overridden" BOOLEAN,
2503 "scope_in" "delegation_scope",
2504 "scope_out" "delegation_scope",
2505 "disabled_out" BOOLEAN,
2506 "loop" "delegation_chain_loop_tag" );
2508 COMMENT ON TYPE "delegation_chain_row" IS 'Type of rows returned by "delegation_chain" function';
2510 COMMENT ON COLUMN "delegation_chain_row"."index" IS 'Index starting with 0 and counting up';
2511 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';
2512 COMMENT ON COLUMN "delegation_chain_row"."overridden" IS 'True, if an entry with lower index has "participation" set to true';
2513 COMMENT ON COLUMN "delegation_chain_row"."scope_in" IS 'Scope of used incoming delegation';
2514 COMMENT ON COLUMN "delegation_chain_row"."scope_out" IS 'Scope of used outgoing delegation';
2515 COMMENT ON COLUMN "delegation_chain_row"."disabled_out" IS 'Outgoing delegation is explicitly disabled by a delegation with trustee_id set to NULL';
2516 COMMENT ON COLUMN "delegation_chain_row"."loop" IS 'Not null, if member is part of a loop, see "delegation_chain_loop_tag" type';
2519 CREATE FUNCTION "delegation_chain_for_closed_issue"
2520 ( "member_id_p" "member"."id"%TYPE,
2521 "issue_id_p" "issue"."id"%TYPE )
2522 RETURNS SETOF "delegation_chain_row"
2523 LANGUAGE 'plpgsql' STABLE AS $$
2524 DECLARE
2525 "output_row" "delegation_chain_row";
2526 "direct_voter_row" "direct_voter"%ROWTYPE;
2527 "delegating_voter_row" "delegating_voter"%ROWTYPE;
2528 BEGIN
2529 "output_row"."index" := 0;
2530 "output_row"."member_id" := "member_id_p";
2531 "output_row"."member_valid" := TRUE;
2532 "output_row"."participation" := FALSE;
2533 "output_row"."overridden" := FALSE;
2534 "output_row"."disabled_out" := FALSE;
2535 LOOP
2536 SELECT INTO "direct_voter_row" * FROM "direct_voter"
2537 WHERE "issue_id" = "issue_id_p"
2538 AND "member_id" = "output_row"."member_id";
2539 IF "direct_voter_row"."member_id" NOTNULL THEN
2540 "output_row"."participation" := TRUE;
2541 "output_row"."scope_out" := NULL;
2542 "output_row"."disabled_out" := NULL;
2543 RETURN NEXT "output_row";
2544 RETURN;
2545 END IF;
2546 SELECT INTO "delegating_voter_row" * FROM "delegating_voter"
2547 WHERE "issue_id" = "issue_id_p"
2548 AND "member_id" = "output_row"."member_id";
2549 IF "delegating_voter_row"."member_id" ISNULL THEN
2550 RETURN;
2551 END IF;
2552 "output_row"."scope_out" := "delegating_voter_row"."scope";
2553 RETURN NEXT "output_row";
2554 "output_row"."member_id" := "delegating_voter_row"."delegate_member_ids"[1];
2555 "output_row"."scope_in" := "output_row"."scope_out";
2556 END LOOP;
2557 END;
2558 $$;
2560 COMMENT ON FUNCTION "delegation_chain_for_closed_issue"
2561 ( "member"."id"%TYPE,
2562 "member"."id"%TYPE )
2563 IS 'Helper function for "delegation_chain" function, handling the special case of closed issues after voting';
2566 CREATE FUNCTION "delegation_chain"
2567 ( "member_id_p" "member"."id"%TYPE,
2568 "unit_id_p" "unit"."id"%TYPE,
2569 "area_id_p" "area"."id"%TYPE,
2570 "issue_id_p" "issue"."id"%TYPE,
2571 "simulate_trustee_id_p" "member"."id"%TYPE DEFAULT NULL,
2572 "simulate_default_p" BOOLEAN DEFAULT FALSE )
2573 RETURNS SETOF "delegation_chain_row"
2574 LANGUAGE 'plpgsql' STABLE AS $$
2575 DECLARE
2576 "scope_v" "delegation_scope";
2577 "unit_id_v" "unit"."id"%TYPE;
2578 "area_id_v" "area"."id"%TYPE;
2579 "issue_row" "issue"%ROWTYPE;
2580 "visited_member_ids" INT4[]; -- "member"."id"%TYPE[]
2581 "loop_member_id_v" "member"."id"%TYPE;
2582 "output_row" "delegation_chain_row";
2583 "output_rows" "delegation_chain_row"[];
2584 "simulate_v" BOOLEAN;
2585 "simulate_here_v" BOOLEAN;
2586 "delegation_row" "delegation"%ROWTYPE;
2587 "row_count" INT4;
2588 "i" INT4;
2589 "loop_v" BOOLEAN;
2590 BEGIN
2591 IF "simulate_trustee_id_p" NOTNULL AND "simulate_default_p" THEN
2592 RAISE EXCEPTION 'Both "simulate_trustee_id_p" is set, and "simulate_default_p" is true';
2593 END IF;
2594 IF "simulate_trustee_id_p" NOTNULL OR "simulate_default_p" THEN
2595 "simulate_v" := TRUE;
2596 ELSE
2597 "simulate_v" := FALSE;
2598 END IF;
2599 IF
2600 "unit_id_p" NOTNULL AND
2601 "area_id_p" ISNULL AND
2602 "issue_id_p" ISNULL
2603 THEN
2604 "scope_v" := 'unit';
2605 "unit_id_v" := "unit_id_p";
2606 ELSIF
2607 "unit_id_p" ISNULL AND
2608 "area_id_p" NOTNULL AND
2609 "issue_id_p" ISNULL
2610 THEN
2611 "scope_v" := 'area';
2612 "area_id_v" := "area_id_p";
2613 SELECT "unit_id" INTO "unit_id_v"
2614 FROM "area" WHERE "id" = "area_id_v";
2615 ELSIF
2616 "unit_id_p" ISNULL AND
2617 "area_id_p" ISNULL AND
2618 "issue_id_p" NOTNULL
2619 THEN
2620 SELECT INTO "issue_row" * FROM "issue" WHERE "id" = "issue_id_p";
2621 IF "issue_row"."id" ISNULL THEN
2622 RETURN;
2623 END IF;
2624 IF "issue_row"."closed" NOTNULL THEN
2625 IF "simulate_v" THEN
2626 RAISE EXCEPTION 'Tried to simulate delegation chain for closed issue.';
2627 END IF;
2628 FOR "output_row" IN
2629 SELECT * FROM
2630 "delegation_chain_for_closed_issue"("member_id_p", "issue_id_p")
2631 LOOP
2632 RETURN NEXT "output_row";
2633 END LOOP;
2634 RETURN;
2635 END IF;
2636 "scope_v" := 'issue';
2637 SELECT "area_id" INTO "area_id_v"
2638 FROM "issue" WHERE "id" = "issue_id_p";
2639 SELECT "unit_id" INTO "unit_id_v"
2640 FROM "area" WHERE "id" = "area_id_v";
2641 ELSE
2642 RAISE EXCEPTION 'Exactly one of unit_id_p, area_id_p, or issue_id_p must be NOTNULL.';
2643 END IF;
2644 "visited_member_ids" := '{}';
2645 "loop_member_id_v" := NULL;
2646 "output_rows" := '{}';
2647 "output_row"."index" := 0;
2648 "output_row"."member_id" := "member_id_p";
2649 "output_row"."member_valid" := TRUE;
2650 "output_row"."participation" := FALSE;
2651 "output_row"."overridden" := FALSE;
2652 "output_row"."disabled_out" := FALSE;
2653 "output_row"."scope_out" := NULL;
2654 LOOP
2655 IF "visited_member_ids" @> ARRAY["output_row"."member_id"] THEN
2656 "loop_member_id_v" := "output_row"."member_id";
2657 ELSE
2658 "visited_member_ids" :=
2659 "visited_member_ids" || "output_row"."member_id";
2660 END IF;
2661 IF "output_row"."participation" ISNULL THEN
2662 "output_row"."overridden" := NULL;
2663 ELSIF "output_row"."participation" THEN
2664 "output_row"."overridden" := TRUE;
2665 END IF;
2666 "output_row"."scope_in" := "output_row"."scope_out";
2667 "output_row"."member_valid" := EXISTS (
2668 SELECT NULL FROM "member" JOIN "privilege"
2669 ON "privilege"."member_id" = "member"."id"
2670 AND "privilege"."unit_id" = "unit_id_v"
2671 WHERE "id" = "output_row"."member_id"
2672 AND "member"."active" AND "privilege"."voting_right"
2673 );
2674 "simulate_here_v" := (
2675 "simulate_v" AND
2676 "output_row"."member_id" = "member_id_p"
2677 );
2678 "delegation_row" := ROW(NULL);
2679 IF "output_row"."member_valid" OR "simulate_here_v" THEN
2680 IF "scope_v" = 'unit' THEN
2681 IF NOT "simulate_here_v" THEN
2682 SELECT * INTO "delegation_row" FROM "delegation"
2683 WHERE "truster_id" = "output_row"."member_id"
2684 AND "unit_id" = "unit_id_v";
2685 END IF;
2686 ELSIF "scope_v" = 'area' THEN
2687 "output_row"."participation" := EXISTS (
2688 SELECT NULL FROM "membership"
2689 WHERE "area_id" = "area_id_p"
2690 AND "member_id" = "output_row"."member_id"
2691 );
2692 IF "simulate_here_v" THEN
2693 IF "simulate_trustee_id_p" ISNULL THEN
2694 SELECT * INTO "delegation_row" FROM "delegation"
2695 WHERE "truster_id" = "output_row"."member_id"
2696 AND "unit_id" = "unit_id_v";
2697 END IF;
2698 ELSE
2699 SELECT * INTO "delegation_row" FROM "delegation"
2700 WHERE "truster_id" = "output_row"."member_id"
2701 AND (
2702 "unit_id" = "unit_id_v" OR
2703 "area_id" = "area_id_v"
2704 )
2705 ORDER BY "scope" DESC;
2706 END IF;
2707 ELSIF "scope_v" = 'issue' THEN
2708 IF "issue_row"."fully_frozen" ISNULL THEN
2709 "output_row"."participation" := EXISTS (
2710 SELECT NULL FROM "interest"
2711 WHERE "issue_id" = "issue_id_p"
2712 AND "member_id" = "output_row"."member_id"
2713 );
2714 ELSE
2715 IF "output_row"."member_id" = "member_id_p" THEN
2716 "output_row"."participation" := EXISTS (
2717 SELECT NULL FROM "direct_voter"
2718 WHERE "issue_id" = "issue_id_p"
2719 AND "member_id" = "output_row"."member_id"
2720 );
2721 ELSE
2722 "output_row"."participation" := NULL;
2723 END IF;
2724 END IF;
2725 IF "simulate_here_v" THEN
2726 IF "simulate_trustee_id_p" ISNULL THEN
2727 SELECT * INTO "delegation_row" FROM "delegation"
2728 WHERE "truster_id" = "output_row"."member_id"
2729 AND (
2730 "unit_id" = "unit_id_v" OR
2731 "area_id" = "area_id_v"
2732 )
2733 ORDER BY "scope" DESC;
2734 END IF;
2735 ELSE
2736 SELECT * INTO "delegation_row" FROM "delegation"
2737 WHERE "truster_id" = "output_row"."member_id"
2738 AND (
2739 "unit_id" = "unit_id_v" OR
2740 "area_id" = "area_id_v" OR
2741 "issue_id" = "issue_id_p"
2742 )
2743 ORDER BY "scope" DESC;
2744 END IF;
2745 END IF;
2746 ELSE
2747 "output_row"."participation" := FALSE;
2748 END IF;
2749 IF "simulate_here_v" AND "simulate_trustee_id_p" NOTNULL THEN
2750 "output_row"."scope_out" := "scope_v";
2751 "output_rows" := "output_rows" || "output_row";
2752 "output_row"."member_id" := "simulate_trustee_id_p";
2753 ELSIF "delegation_row"."trustee_id" NOTNULL THEN
2754 "output_row"."scope_out" := "delegation_row"."scope";
2755 "output_rows" := "output_rows" || "output_row";
2756 "output_row"."member_id" := "delegation_row"."trustee_id";
2757 ELSIF "delegation_row"."scope" NOTNULL THEN
2758 "output_row"."scope_out" := "delegation_row"."scope";
2759 "output_row"."disabled_out" := TRUE;
2760 "output_rows" := "output_rows" || "output_row";
2761 EXIT;
2762 ELSE
2763 "output_row"."scope_out" := NULL;
2764 "output_rows" := "output_rows" || "output_row";
2765 EXIT;
2766 END IF;
2767 EXIT WHEN "loop_member_id_v" NOTNULL;
2768 "output_row"."index" := "output_row"."index" + 1;
2769 END LOOP;
2770 "row_count" := array_upper("output_rows", 1);
2771 "i" := 1;
2772 "loop_v" := FALSE;
2773 LOOP
2774 "output_row" := "output_rows"["i"];
2775 EXIT WHEN "output_row" ISNULL; -- NOTE: ISNULL and NOT ... NOTNULL produce different results!
2776 IF "loop_v" THEN
2777 IF "i" + 1 = "row_count" THEN
2778 "output_row"."loop" := 'last';
2779 ELSIF "i" = "row_count" THEN
2780 "output_row"."loop" := 'repetition';
2781 ELSE
2782 "output_row"."loop" := 'intermediate';
2783 END IF;
2784 ELSIF "output_row"."member_id" = "loop_member_id_v" THEN
2785 "output_row"."loop" := 'first';
2786 "loop_v" := TRUE;
2787 END IF;
2788 IF "scope_v" = 'unit' THEN
2789 "output_row"."participation" := NULL;
2790 END IF;
2791 RETURN NEXT "output_row";
2792 "i" := "i" + 1;
2793 END LOOP;
2794 RETURN;
2795 END;
2796 $$;
2798 COMMENT ON FUNCTION "delegation_chain"
2799 ( "member"."id"%TYPE,
2800 "unit"."id"%TYPE,
2801 "area"."id"%TYPE,
2802 "issue"."id"%TYPE,
2803 "member"."id"%TYPE,
2804 BOOLEAN )
2805 IS 'Shows a delegation chain for unit, area, or issue; See "delegation_chain_row" type for more information';
2809 ---------------------------------------------------------
2810 -- Single row returning function for delegation chains --
2811 ---------------------------------------------------------
2814 CREATE TYPE "delegation_info_loop_type" AS ENUM
2815 ('own', 'first', 'first_ellipsis', 'other', 'other_ellipsis');
2817 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''';
2820 CREATE TYPE "delegation_info_type" AS (
2821 "own_participation" BOOLEAN,
2822 "own_delegation_scope" "delegation_scope",
2823 "first_trustee_id" INT4,
2824 "first_trustee_participation" BOOLEAN,
2825 "first_trustee_ellipsis" BOOLEAN,
2826 "other_trustee_id" INT4,
2827 "other_trustee_participation" BOOLEAN,
2828 "other_trustee_ellipsis" BOOLEAN,
2829 "delegation_loop" "delegation_info_loop_type",
2830 "participating_member_id" INT4 );
2832 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';
2834 COMMENT ON COLUMN "delegation_info_type"."own_participation" IS 'Member is directly participating';
2835 COMMENT ON COLUMN "delegation_info_type"."own_delegation_scope" IS 'Delegation scope of member';
2836 COMMENT ON COLUMN "delegation_info_type"."first_trustee_id" IS 'Direct trustee of member';
2837 COMMENT ON COLUMN "delegation_info_type"."first_trustee_participation" IS 'Direct trustee of member is participating';
2838 COMMENT ON COLUMN "delegation_info_type"."first_trustee_ellipsis" IS 'Ellipsis in delegation chain after "first_trustee"';
2839 COMMENT ON COLUMN "delegation_info_type"."other_trustee_id" IS 'Another relevant trustee (due to participation)';
2840 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)';
2841 COMMENT ON COLUMN "delegation_info_type"."other_trustee_ellipsis" IS 'Ellipsis in delegation chain after "other_trustee"';
2842 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';
2843 COMMENT ON COLUMN "delegation_info_type"."participating_member_id" IS 'First participating member in delegation chain';
2846 CREATE FUNCTION "delegation_info"
2847 ( "member_id_p" "member"."id"%TYPE,
2848 "unit_id_p" "unit"."id"%TYPE,
2849 "area_id_p" "area"."id"%TYPE,
2850 "issue_id_p" "issue"."id"%TYPE,
2851 "simulate_trustee_id_p" "member"."id"%TYPE DEFAULT NULL,
2852 "simulate_default_p" BOOLEAN DEFAULT FALSE )
2853 RETURNS "delegation_info_type"
2854 LANGUAGE 'plpgsql' STABLE AS $$
2855 DECLARE
2856 "current_row" "delegation_chain_row";
2857 "result" "delegation_info_type";
2858 BEGIN
2859 "result"."own_participation" := FALSE;
2860 FOR "current_row" IN
2861 SELECT * FROM "delegation_chain"(
2862 "member_id_p",
2863 "unit_id_p", "area_id_p", "issue_id_p",
2864 "simulate_trustee_id_p", "simulate_default_p")
2865 LOOP
2866 IF
2867 "result"."participating_member_id" ISNULL AND
2868 "current_row"."participation"
2869 THEN
2870 "result"."participating_member_id" := "current_row"."member_id";
2871 END IF;
2872 IF "current_row"."member_id" = "member_id_p" THEN
2873 "result"."own_participation" := "current_row"."participation";
2874 "result"."own_delegation_scope" := "current_row"."scope_out";
2875 IF "current_row"."loop" = 'first' THEN
2876 "result"."delegation_loop" := 'own';
2877 END IF;
2878 ELSIF
2879 "current_row"."member_valid" AND
2880 ( "current_row"."loop" ISNULL OR
2881 "current_row"."loop" != 'repetition' )
2882 THEN
2883 IF "result"."first_trustee_id" ISNULL THEN
2884 "result"."first_trustee_id" := "current_row"."member_id";
2885 "result"."first_trustee_participation" := "current_row"."participation";
2886 "result"."first_trustee_ellipsis" := FALSE;
2887 IF "current_row"."loop" = 'first' THEN
2888 "result"."delegation_loop" := 'first';
2889 END IF;
2890 ELSIF "result"."other_trustee_id" ISNULL THEN
2891 IF "current_row"."participation" AND NOT "current_row"."overridden" THEN
2892 "result"."other_trustee_id" := "current_row"."member_id";
2893 "result"."other_trustee_participation" := TRUE;
2894 "result"."other_trustee_ellipsis" := FALSE;
2895 IF "current_row"."loop" = 'first' THEN
2896 "result"."delegation_loop" := 'other';
2897 END IF;
2898 ELSE
2899 "result"."first_trustee_ellipsis" := TRUE;
2900 IF "current_row"."loop" = 'first' THEN
2901 "result"."delegation_loop" := 'first_ellipsis';
2902 END IF;
2903 END IF;
2904 ELSE
2905 "result"."other_trustee_ellipsis" := TRUE;
2906 IF "current_row"."loop" = 'first' THEN
2907 "result"."delegation_loop" := 'other_ellipsis';
2908 END IF;
2909 END IF;
2910 END IF;
2911 END LOOP;
2912 RETURN "result";
2913 END;
2914 $$;
2916 COMMENT ON FUNCTION "delegation_info"
2917 ( "member"."id"%TYPE,
2918 "unit"."id"%TYPE,
2919 "area"."id"%TYPE,
2920 "issue"."id"%TYPE,
2921 "member"."id"%TYPE,
2922 BOOLEAN )
2923 IS 'Notable information about a delegation chain for unit, area, or issue; See "delegation_info_type" for more information';
2927 ---------------------------
2928 -- Transaction isolation --
2929 ---------------------------
2932 CREATE FUNCTION "require_transaction_isolation"()
2933 RETURNS VOID
2934 LANGUAGE 'plpgsql' VOLATILE AS $$
2935 BEGIN
2936 IF
2937 current_setting('transaction_isolation') NOT IN
2938 ('repeatable read', 'serializable')
2939 THEN
2940 RAISE EXCEPTION 'Insufficient transaction isolation level' USING
2941 HINT = 'Consider using SET TRANSACTION ISOLATION LEVEL REPEATABLE READ.';
2942 END IF;
2943 RETURN;
2944 END;
2945 $$;
2947 COMMENT ON FUNCTION "require_transaction_isolation"() IS 'Throws an exception, if transaction isolation level is too low to provide a consistent snapshot';
2950 CREATE FUNCTION "dont_require_transaction_isolation"()
2951 RETURNS VOID
2952 LANGUAGE 'plpgsql' VOLATILE AS $$
2953 BEGIN
2954 IF
2955 current_setting('transaction_isolation') IN
2956 ('repeatable read', 'serializable')
2957 THEN
2958 RAISE WARNING 'Unneccessary transaction isolation level: %',
2959 current_setting('transaction_isolation');
2960 END IF;
2961 RETURN;
2962 END;
2963 $$;
2965 COMMENT ON FUNCTION "dont_require_transaction_isolation"() IS 'Raises a warning, if transaction isolation level is higher than READ COMMITTED';
2969 ------------------------------------------------------------------------
2970 -- Regular tasks, except calculcation of snapshots and voting results --
2971 ------------------------------------------------------------------------
2974 CREATE FUNCTION "check_activity"()
2975 RETURNS VOID
2976 LANGUAGE 'plpgsql' VOLATILE AS $$
2977 DECLARE
2978 "system_setting_row" "system_setting"%ROWTYPE;
2979 BEGIN
2980 PERFORM "dont_require_transaction_isolation"();
2981 SELECT * INTO "system_setting_row" FROM "system_setting";
2982 IF "system_setting_row"."member_ttl" NOTNULL THEN
2983 UPDATE "member" SET "active" = FALSE
2984 WHERE "active" = TRUE
2985 AND "last_activity" < (now() - "system_setting_row"."member_ttl")::DATE;
2986 END IF;
2987 RETURN;
2988 END;
2989 $$;
2991 COMMENT ON FUNCTION "check_activity"() IS 'Deactivates members when "last_activity" is older than "system_setting"."member_ttl".';
2994 CREATE FUNCTION "calculate_member_counts"()
2995 RETURNS VOID
2996 LANGUAGE 'plpgsql' VOLATILE AS $$
2997 BEGIN
2998 PERFORM "require_transaction_isolation"();
2999 DELETE FROM "member_count";
3000 INSERT INTO "member_count" ("total_count")
3001 SELECT "total_count" FROM "member_count_view";
3002 UPDATE "unit" SET "member_count" = "view"."member_count"
3003 FROM "unit_member_count" AS "view"
3004 WHERE "view"."unit_id" = "unit"."id";
3005 UPDATE "area" SET
3006 "direct_member_count" = "view"."direct_member_count",
3007 "member_weight" = "view"."member_weight"
3008 FROM "area_member_count" AS "view"
3009 WHERE "view"."area_id" = "area"."id";
3010 RETURN;
3011 END;
3012 $$;
3014 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"';
3018 ------------------------------------
3019 -- Calculation of harmonic weight --
3020 ------------------------------------
3023 CREATE VIEW "remaining_harmonic_supporter_weight" AS
3024 SELECT
3025 "direct_interest_snapshot"."issue_id",
3026 "direct_interest_snapshot"."event",
3027 "direct_interest_snapshot"."member_id",
3028 "direct_interest_snapshot"."weight" AS "weight_num",
3029 count("initiative"."id") AS "weight_den"
3030 FROM "issue"
3031 JOIN "direct_interest_snapshot"
3032 ON "issue"."id" = "direct_interest_snapshot"."issue_id"
3033 AND "issue"."latest_snapshot_event" = "direct_interest_snapshot"."event"
3034 JOIN "initiative"
3035 ON "issue"."id" = "initiative"."issue_id"
3036 AND "initiative"."harmonic_weight" ISNULL
3037 JOIN "direct_supporter_snapshot"
3038 ON "initiative"."id" = "direct_supporter_snapshot"."initiative_id"
3039 AND "direct_interest_snapshot"."event" = "direct_supporter_snapshot"."event"
3040 AND "direct_interest_snapshot"."member_id" = "direct_supporter_snapshot"."member_id"
3041 AND (
3042 "direct_supporter_snapshot"."satisfied" = TRUE OR
3043 coalesce("initiative"."admitted", FALSE) = FALSE
3044 )
3045 GROUP BY
3046 "direct_interest_snapshot"."issue_id",
3047 "direct_interest_snapshot"."event",
3048 "direct_interest_snapshot"."member_id",
3049 "direct_interest_snapshot"."weight";
3051 COMMENT ON VIEW "remaining_harmonic_supporter_weight" IS 'Helper view for function "set_harmonic_initiative_weights"';
3054 CREATE VIEW "remaining_harmonic_initiative_weight_summands" AS
3055 SELECT
3056 "initiative"."issue_id",
3057 "initiative"."id" AS "initiative_id",
3058 "initiative"."admitted",
3059 sum("remaining_harmonic_supporter_weight"."weight_num") AS "weight_num",
3060 "remaining_harmonic_supporter_weight"."weight_den"
3061 FROM "remaining_harmonic_supporter_weight"
3062 JOIN "initiative"
3063 ON "remaining_harmonic_supporter_weight"."issue_id" = "initiative"."issue_id"
3064 AND "initiative"."harmonic_weight" ISNULL
3065 JOIN "direct_supporter_snapshot"
3066 ON "initiative"."id" = "direct_supporter_snapshot"."initiative_id"
3067 AND "remaining_harmonic_supporter_weight"."event" = "direct_supporter_snapshot"."event"
3068 AND "remaining_harmonic_supporter_weight"."member_id" = "direct_supporter_snapshot"."member_id"
3069 AND (
3070 "direct_supporter_snapshot"."satisfied" = TRUE OR
3071 coalesce("initiative"."admitted", FALSE) = FALSE
3072 )
3073 GROUP BY
3074 "initiative"."issue_id",
3075 "initiative"."id",
3076 "initiative"."admitted",
3077 "remaining_harmonic_supporter_weight"."weight_den";
3079 COMMENT ON VIEW "remaining_harmonic_initiative_weight_summands" IS 'Helper view for function "set_harmonic_initiative_weights"';
3082 CREATE VIEW "remaining_harmonic_initiative_weight_dummies" AS
3083 SELECT
3084 "issue_id",
3085 "id" AS "initiative_id",
3086 "admitted",
3087 0 AS "weight_num",
3088 1 AS "weight_den"
3089 FROM "initiative"
3090 WHERE "harmonic_weight" ISNULL;
3092 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';
3095 CREATE FUNCTION "set_harmonic_initiative_weights"
3096 ( "issue_id_p" "issue"."id"%TYPE )
3097 RETURNS VOID
3098 LANGUAGE 'plpgsql' VOLATILE AS $$
3099 DECLARE
3100 "weight_row" "remaining_harmonic_initiative_weight_summands"%ROWTYPE;
3101 "i" INT4;
3102 "count_v" INT4;
3103 "summand_v" FLOAT;
3104 "id_ary" INT4[];
3105 "weight_ary" FLOAT[];
3106 "min_weight_v" FLOAT;
3107 BEGIN
3108 PERFORM "require_transaction_isolation"();
3109 UPDATE "initiative" SET "harmonic_weight" = NULL
3110 WHERE "issue_id" = "issue_id_p";
3111 LOOP
3112 "min_weight_v" := NULL;
3113 "i" := 0;
3114 "count_v" := 0;
3115 FOR "weight_row" IN
3116 SELECT * FROM "remaining_harmonic_initiative_weight_summands"
3117 WHERE "issue_id" = "issue_id_p"
3118 AND (
3119 coalesce("admitted", FALSE) = FALSE OR NOT EXISTS (
3120 SELECT NULL FROM "initiative"
3121 WHERE "issue_id" = "issue_id_p"
3122 AND "harmonic_weight" ISNULL
3123 AND coalesce("admitted", FALSE) = FALSE
3124 )
3125 )
3126 UNION ALL -- needed for corner cases
3127 SELECT * FROM "remaining_harmonic_initiative_weight_dummies"
3128 WHERE "issue_id" = "issue_id_p"
3129 AND (
3130 coalesce("admitted", FALSE) = FALSE OR NOT EXISTS (
3131 SELECT NULL FROM "initiative"
3132 WHERE "issue_id" = "issue_id_p"
3133 AND "harmonic_weight" ISNULL
3134 AND coalesce("admitted", FALSE) = FALSE
3135 )
3136 )
3137 ORDER BY "initiative_id" DESC, "weight_den" DESC
3138 -- NOTE: non-admitted initiatives placed first (at last positions),
3139 -- latest initiatives treated worse in case of tie
3140 LOOP
3141 "summand_v" := "weight_row"."weight_num"::FLOAT / "weight_row"."weight_den"::FLOAT;
3142 IF "i" = 0 OR "weight_row"."initiative_id" != "id_ary"["i"] THEN
3143 "i" := "i" + 1;
3144 "count_v" := "i";
3145 "id_ary"["i"] := "weight_row"."initiative_id";
3146 "weight_ary"["i"] := "summand_v";
3147 ELSE
3148 "weight_ary"["i"] := "weight_ary"["i"] + "summand_v";
3149 END IF;
3150 END LOOP;
3151 EXIT WHEN "count_v" = 0;
3152 "i" := 1;
3153 LOOP
3154 "weight_ary"["i"] := "weight_ary"["i"]::NUMERIC(18,9)::NUMERIC(12,3);
3155 IF "min_weight_v" ISNULL OR "weight_ary"["i"] < "min_weight_v" THEN
3156 "min_weight_v" := "weight_ary"["i"];
3157 END IF;
3158 "i" := "i" + 1;
3159 EXIT WHEN "i" > "count_v";
3160 END LOOP;
3161 "i" := 1;
3162 LOOP
3163 IF "weight_ary"["i"] = "min_weight_v" THEN
3164 UPDATE "initiative" SET "harmonic_weight" = "min_weight_v"
3165 WHERE "id" = "id_ary"["i"];
3166 EXIT;
3167 END IF;
3168 "i" := "i" + 1;
3169 END LOOP;
3170 END LOOP;
3171 UPDATE "initiative" SET "harmonic_weight" = 0
3172 WHERE "issue_id" = "issue_id_p" AND "harmonic_weight" ISNULL;
3173 END;
3174 $$;
3176 COMMENT ON FUNCTION "set_harmonic_initiative_weights"
3177 ( "issue"."id"%TYPE )
3178 IS 'Calculates and sets "harmonic_weight" of initiatives in a given issue';
3182 ------------------------------
3183 -- Calculation of snapshots --
3184 ------------------------------
3187 CREATE FUNCTION "weight_of_added_delegations_for_population_snapshot"
3188 ( "issue_id_p" "issue"."id"%TYPE,
3189 "member_id_p" "member"."id"%TYPE,
3190 "delegate_member_ids_p" "delegating_population_snapshot"."delegate_member_ids"%TYPE )
3191 RETURNS "direct_population_snapshot"."weight"%TYPE
3192 LANGUAGE 'plpgsql' VOLATILE AS $$
3193 DECLARE
3194 "issue_delegation_row" "issue_delegation"%ROWTYPE;
3195 "delegate_member_ids_v" "delegating_population_snapshot"."delegate_member_ids"%TYPE;
3196 "weight_v" INT4;
3197 "sub_weight_v" INT4;
3198 BEGIN
3199 PERFORM "require_transaction_isolation"();
3200 "weight_v" := 0;
3201 FOR "issue_delegation_row" IN
3202 SELECT * FROM "issue_delegation"
3203 WHERE "trustee_id" = "member_id_p"
3204 AND "issue_id" = "issue_id_p"
3205 LOOP
3206 IF NOT EXISTS (
3207 SELECT NULL FROM "direct_population_snapshot"
3208 WHERE "issue_id" = "issue_id_p"
3209 AND "event" = 'periodic'
3210 AND "member_id" = "issue_delegation_row"."truster_id"
3211 ) AND NOT EXISTS (
3212 SELECT NULL FROM "delegating_population_snapshot"
3213 WHERE "issue_id" = "issue_id_p"
3214 AND "event" = 'periodic'
3215 AND "member_id" = "issue_delegation_row"."truster_id"
3216 ) THEN
3217 "delegate_member_ids_v" :=
3218 "member_id_p" || "delegate_member_ids_p";
3219 INSERT INTO "delegating_population_snapshot" (
3220 "issue_id",
3221 "event",
3222 "member_id",
3223 "scope",
3224 "delegate_member_ids"
3225 ) VALUES (
3226 "issue_id_p",
3227 'periodic',
3228 "issue_delegation_row"."truster_id",
3229 "issue_delegation_row"."scope",
3230 "delegate_member_ids_v"
3231 );
3232 "sub_weight_v" := 1 +
3233 "weight_of_added_delegations_for_population_snapshot"(
3234 "issue_id_p",
3235 "issue_delegation_row"."truster_id",
3236 "delegate_member_ids_v"
3237 );
3238 UPDATE "delegating_population_snapshot"
3239 SET "weight" = "sub_weight_v"
3240 WHERE "issue_id" = "issue_id_p"
3241 AND "event" = 'periodic'
3242 AND "member_id" = "issue_delegation_row"."truster_id";
3243 "weight_v" := "weight_v" + "sub_weight_v";
3244 END IF;
3245 END LOOP;
3246 RETURN "weight_v";
3247 END;
3248 $$;
3250 COMMENT ON FUNCTION "weight_of_added_delegations_for_population_snapshot"
3251 ( "issue"."id"%TYPE,
3252 "member"."id"%TYPE,
3253 "delegating_population_snapshot"."delegate_member_ids"%TYPE )
3254 IS 'Helper function for "create_population_snapshot" function';
3257 CREATE FUNCTION "create_population_snapshot"
3258 ( "issue_id_p" "issue"."id"%TYPE )
3259 RETURNS VOID
3260 LANGUAGE 'plpgsql' VOLATILE AS $$
3261 DECLARE
3262 "member_id_v" "member"."id"%TYPE;
3263 BEGIN
3264 PERFORM "require_transaction_isolation"();
3265 DELETE FROM "direct_population_snapshot"
3266 WHERE "issue_id" = "issue_id_p"
3267 AND "event" = 'periodic';
3268 DELETE FROM "delegating_population_snapshot"
3269 WHERE "issue_id" = "issue_id_p"
3270 AND "event" = 'periodic';
3271 INSERT INTO "direct_population_snapshot"
3272 ("issue_id", "event", "member_id")
3273 SELECT
3274 "issue_id_p" AS "issue_id",
3275 'periodic'::"snapshot_event" AS "event",
3276 "member"."id" AS "member_id"
3277 FROM "issue"
3278 JOIN "area" ON "issue"."area_id" = "area"."id"
3279 JOIN "membership" ON "area"."id" = "membership"."area_id"
3280 JOIN "member" ON "membership"."member_id" = "member"."id"
3281 JOIN "privilege"
3282 ON "privilege"."unit_id" = "area"."unit_id"
3283 AND "privilege"."member_id" = "member"."id"
3284 WHERE "issue"."id" = "issue_id_p"
3285 AND "member"."active" AND "privilege"."voting_right"
3286 UNION
3287 SELECT
3288 "issue_id_p" AS "issue_id",
3289 'periodic'::"snapshot_event" AS "event",
3290 "member"."id" AS "member_id"
3291 FROM "issue"
3292 JOIN "area" ON "issue"."area_id" = "area"."id"
3293 JOIN "interest" ON "issue"."id" = "interest"."issue_id"
3294 JOIN "member" ON "interest"."member_id" = "member"."id"
3295 JOIN "privilege"
3296 ON "privilege"."unit_id" = "area"."unit_id"
3297 AND "privilege"."member_id" = "member"."id"
3298 WHERE "issue"."id" = "issue_id_p"
3299 AND "member"."active" AND "privilege"."voting_right";
3300 FOR "member_id_v" IN
3301 SELECT "member_id" FROM "direct_population_snapshot"
3302 WHERE "issue_id" = "issue_id_p"
3303 AND "event" = 'periodic'
3304 LOOP
3305 UPDATE "direct_population_snapshot" SET
3306 "weight" = 1 +
3307 "weight_of_added_delegations_for_population_snapshot"(
3308 "issue_id_p",
3309 "member_id_v",
3310 '{}'
3311 )
3312 WHERE "issue_id" = "issue_id_p"
3313 AND "event" = 'periodic'
3314 AND "member_id" = "member_id_v";
3315 END LOOP;
3316 RETURN;
3317 END;
3318 $$;
3320 COMMENT ON FUNCTION "create_population_snapshot"
3321 ( "issue"."id"%TYPE )
3322 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.';
3325 CREATE FUNCTION "weight_of_added_delegations_for_interest_snapshot"
3326 ( "issue_id_p" "issue"."id"%TYPE,
3327 "member_id_p" "member"."id"%TYPE,
3328 "delegate_member_ids_p" "delegating_interest_snapshot"."delegate_member_ids"%TYPE )
3329 RETURNS "direct_interest_snapshot"."weight"%TYPE
3330 LANGUAGE 'plpgsql' VOLATILE AS $$
3331 DECLARE
3332 "issue_delegation_row" "issue_delegation"%ROWTYPE;
3333 "delegate_member_ids_v" "delegating_interest_snapshot"."delegate_member_ids"%TYPE;
3334 "weight_v" INT4;
3335 "sub_weight_v" INT4;
3336 BEGIN
3337 PERFORM "require_transaction_isolation"();
3338 "weight_v" := 0;
3339 FOR "issue_delegation_row" IN
3340 SELECT * FROM "issue_delegation"
3341 WHERE "trustee_id" = "member_id_p"
3342 AND "issue_id" = "issue_id_p"
3343 LOOP
3344 IF NOT EXISTS (
3345 SELECT NULL FROM "direct_interest_snapshot"
3346 WHERE "issue_id" = "issue_id_p"
3347 AND "event" = 'periodic'
3348 AND "member_id" = "issue_delegation_row"."truster_id"
3349 ) AND NOT EXISTS (
3350 SELECT NULL FROM "delegating_interest_snapshot"
3351 WHERE "issue_id" = "issue_id_p"
3352 AND "event" = 'periodic'
3353 AND "member_id" = "issue_delegation_row"."truster_id"
3354 ) THEN
3355 "delegate_member_ids_v" :=
3356 "member_id_p" || "delegate_member_ids_p";
3357 INSERT INTO "delegating_interest_snapshot" (
3358 "issue_id",
3359 "event",
3360 "member_id",
3361 "scope",
3362 "delegate_member_ids"
3363 ) VALUES (
3364 "issue_id_p",
3365 'periodic',
3366 "issue_delegation_row"."truster_id",
3367 "issue_delegation_row"."scope",
3368 "delegate_member_ids_v"
3369 );
3370 "sub_weight_v" := 1 +
3371 "weight_of_added_delegations_for_interest_snapshot"(
3372 "issue_id_p",
3373 "issue_delegation_row"."truster_id",
3374 "delegate_member_ids_v"
3375 );
3376 UPDATE "delegating_interest_snapshot"
3377 SET "weight" = "sub_weight_v"
3378 WHERE "issue_id" = "issue_id_p"
3379 AND "event" = 'periodic'
3380 AND "member_id" = "issue_delegation_row"."truster_id";
3381 "weight_v" := "weight_v" + "sub_weight_v";
3382 END IF;
3383 END LOOP;
3384 RETURN "weight_v";
3385 END;
3386 $$;
3388 COMMENT ON FUNCTION "weight_of_added_delegations_for_interest_snapshot"
3389 ( "issue"."id"%TYPE,
3390 "member"."id"%TYPE,
3391 "delegating_interest_snapshot"."delegate_member_ids"%TYPE )
3392 IS 'Helper function for "create_interest_snapshot" function';
3395 CREATE FUNCTION "create_interest_snapshot"
3396 ( "issue_id_p" "issue"."id"%TYPE )
3397 RETURNS VOID
3398 LANGUAGE 'plpgsql' VOLATILE AS $$
3399 DECLARE
3400 "member_id_v" "member"."id"%TYPE;
3401 BEGIN
3402 PERFORM "require_transaction_isolation"();
3403 DELETE FROM "direct_interest_snapshot"
3404 WHERE "issue_id" = "issue_id_p"
3405 AND "event" = 'periodic';
3406 DELETE FROM "delegating_interest_snapshot"
3407 WHERE "issue_id" = "issue_id_p"
3408 AND "event" = 'periodic';
3409 DELETE FROM "direct_supporter_snapshot"
3410 USING "initiative" -- NOTE: due to missing index on issue_id
3411 WHERE "initiative"."issue_id" = "issue_id_p"
3412 AND "direct_supporter_snapshot"."initiative_id" = "initiative"."id"
3413 AND "direct_supporter_snapshot"."event" = 'periodic';
3414 INSERT INTO "direct_interest_snapshot"
3415 ("issue_id", "event", "member_id")
3416 SELECT
3417 "issue_id_p" AS "issue_id",
3418 'periodic' AS "event",
3419 "member"."id" AS "member_id"
3420 FROM "issue"
3421 JOIN "area" ON "issue"."area_id" = "area"."id"
3422 JOIN "interest" ON "issue"."id" = "interest"."issue_id"
3423 JOIN "member" ON "interest"."member_id" = "member"."id"
3424 JOIN "privilege"
3425 ON "privilege"."unit_id" = "area"."unit_id"
3426 AND "privilege"."member_id" = "member"."id"
3427 WHERE "issue"."id" = "issue_id_p"
3428 AND "member"."active" AND "privilege"."voting_right";
3429 FOR "member_id_v" IN
3430 SELECT "member_id" FROM "direct_interest_snapshot"
3431 WHERE "issue_id" = "issue_id_p"
3432 AND "event" = 'periodic'
3433 LOOP
3434 UPDATE "direct_interest_snapshot" SET
3435 "weight" = 1 +
3436 "weight_of_added_delegations_for_interest_snapshot"(
3437 "issue_id_p",
3438 "member_id_v",
3439 '{}'
3440 )
3441 WHERE "issue_id" = "issue_id_p"
3442 AND "event" = 'periodic'
3443 AND "member_id" = "member_id_v";
3444 END LOOP;
3445 INSERT INTO "direct_supporter_snapshot"
3446 ( "issue_id", "initiative_id", "event", "member_id",
3447 "draft_id", "informed", "satisfied" )
3448 SELECT
3449 "issue_id_p" AS "issue_id",
3450 "initiative"."id" AS "initiative_id",
3451 'periodic' AS "event",
3452 "supporter"."member_id" AS "member_id",
3453 "supporter"."draft_id" AS "draft_id",
3454 "supporter"."draft_id" = "current_draft"."id" AS "informed",
3455 NOT EXISTS (
3456 SELECT NULL FROM "critical_opinion"
3457 WHERE "initiative_id" = "initiative"."id"
3458 AND "member_id" = "supporter"."member_id"
3459 ) AS "satisfied"
3460 FROM "initiative"
3461 JOIN "supporter"
3462 ON "supporter"."initiative_id" = "initiative"."id"
3463 JOIN "current_draft"
3464 ON "initiative"."id" = "current_draft"."initiative_id"
3465 JOIN "direct_interest_snapshot"
3466 ON "supporter"."member_id" = "direct_interest_snapshot"."member_id"
3467 AND "initiative"."issue_id" = "direct_interest_snapshot"."issue_id"
3468 AND "event" = 'periodic'
3469 WHERE "initiative"."issue_id" = "issue_id_p";
3470 RETURN;
3471 END;
3472 $$;
3474 COMMENT ON FUNCTION "create_interest_snapshot"
3475 ( "issue"."id"%TYPE )
3476 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.';
3479 CREATE FUNCTION "create_snapshot"
3480 ( "issue_id_p" "issue"."id"%TYPE )
3481 RETURNS VOID
3482 LANGUAGE 'plpgsql' VOLATILE AS $$
3483 DECLARE
3484 "initiative_id_v" "initiative"."id"%TYPE;
3485 "suggestion_id_v" "suggestion"."id"%TYPE;
3486 BEGIN
3487 PERFORM "require_transaction_isolation"();
3488 PERFORM "create_population_snapshot"("issue_id_p");
3489 PERFORM "create_interest_snapshot"("issue_id_p");
3490 UPDATE "issue" SET
3491 "snapshot" = coalesce("phase_finished", now()),
3492 "latest_snapshot_event" = 'periodic',
3493 "population" = (
3494 SELECT coalesce(sum("weight"), 0)
3495 FROM "direct_population_snapshot"
3496 WHERE "issue_id" = "issue_id_p"
3497 AND "event" = 'periodic'
3498 )
3499 WHERE "id" = "issue_id_p";
3500 FOR "initiative_id_v" IN
3501 SELECT "id" FROM "initiative" WHERE "issue_id" = "issue_id_p"
3502 LOOP
3503 UPDATE "initiative" SET
3504 "supporter_count" = (
3505 SELECT coalesce(sum("di"."weight"), 0)
3506 FROM "direct_interest_snapshot" AS "di"
3507 JOIN "direct_supporter_snapshot" AS "ds"
3508 ON "di"."member_id" = "ds"."member_id"
3509 WHERE "di"."issue_id" = "issue_id_p"
3510 AND "di"."event" = 'periodic'
3511 AND "ds"."initiative_id" = "initiative_id_v"
3512 AND "ds"."event" = 'periodic'
3513 ),
3514 "informed_supporter_count" = (
3515 SELECT coalesce(sum("di"."weight"), 0)
3516 FROM "direct_interest_snapshot" AS "di"
3517 JOIN "direct_supporter_snapshot" AS "ds"
3518 ON "di"."member_id" = "ds"."member_id"
3519 WHERE "di"."issue_id" = "issue_id_p"
3520 AND "di"."event" = 'periodic'
3521 AND "ds"."initiative_id" = "initiative_id_v"
3522 AND "ds"."event" = 'periodic'
3523 AND "ds"."informed"
3524 ),
3525 "satisfied_supporter_count" = (
3526 SELECT coalesce(sum("di"."weight"), 0)
3527 FROM "direct_interest_snapshot" AS "di"
3528 JOIN "direct_supporter_snapshot" AS "ds"
3529 ON "di"."member_id" = "ds"."member_id"
3530 WHERE "di"."issue_id" = "issue_id_p"
3531 AND "di"."event" = 'periodic'
3532 AND "ds"."initiative_id" = "initiative_id_v"
3533 AND "ds"."event" = 'periodic'
3534 AND "ds"."satisfied"
3535 ),
3536 "satisfied_informed_supporter_count" = (
3537 SELECT coalesce(sum("di"."weight"), 0)
3538 FROM "direct_interest_snapshot" AS "di"
3539 JOIN "direct_supporter_snapshot" AS "ds"
3540 ON "di"."member_id" = "ds"."member_id"
3541 WHERE "di"."issue_id" = "issue_id_p"
3542 AND "di"."event" = 'periodic'
3543 AND "ds"."initiative_id" = "initiative_id_v"
3544 AND "ds"."event" = 'periodic'
3545 AND "ds"."informed"
3546 AND "ds"."satisfied"
3547 )
3548 WHERE "id" = "initiative_id_v";
3549 FOR "suggestion_id_v" IN
3550 SELECT "id" FROM "suggestion"
3551 WHERE "initiative_id" = "initiative_id_v"
3552 LOOP
3553 UPDATE "suggestion" SET
3554 "minus2_unfulfilled_count" = (
3555 SELECT coalesce(sum("snapshot"."weight"), 0)
3556 FROM "issue" CROSS JOIN "opinion"
3557 JOIN "direct_interest_snapshot" AS "snapshot"
3558 ON "snapshot"."issue_id" = "issue"."id"
3559 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3560 AND "snapshot"."member_id" = "opinion"."member_id"
3561 WHERE "issue"."id" = "issue_id_p"
3562 AND "opinion"."suggestion_id" = "suggestion_id_v"
3563 AND "opinion"."degree" = -2
3564 AND "opinion"."fulfilled" = FALSE
3565 ),
3566 "minus2_fulfilled_count" = (
3567 SELECT coalesce(sum("snapshot"."weight"), 0)
3568 FROM "issue" CROSS JOIN "opinion"
3569 JOIN "direct_interest_snapshot" AS "snapshot"
3570 ON "snapshot"."issue_id" = "issue"."id"
3571 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3572 AND "snapshot"."member_id" = "opinion"."member_id"
3573 WHERE "issue"."id" = "issue_id_p"
3574 AND "opinion"."suggestion_id" = "suggestion_id_v"
3575 AND "opinion"."degree" = -2
3576 AND "opinion"."fulfilled" = TRUE
3577 ),
3578 "minus1_unfulfilled_count" = (
3579 SELECT coalesce(sum("snapshot"."weight"), 0)
3580 FROM "issue" CROSS JOIN "opinion"
3581 JOIN "direct_interest_snapshot" AS "snapshot"
3582 ON "snapshot"."issue_id" = "issue"."id"
3583 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3584 AND "snapshot"."member_id" = "opinion"."member_id"
3585 WHERE "issue"."id" = "issue_id_p"
3586 AND "opinion"."suggestion_id" = "suggestion_id_v"
3587 AND "opinion"."degree" = -1
3588 AND "opinion"."fulfilled" = FALSE
3589 ),
3590 "minus1_fulfilled_count" = (
3591 SELECT coalesce(sum("snapshot"."weight"), 0)
3592 FROM "issue" CROSS JOIN "opinion"
3593 JOIN "direct_interest_snapshot" AS "snapshot"
3594 ON "snapshot"."issue_id" = "issue"."id"
3595 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3596 AND "snapshot"."member_id" = "opinion"."member_id"
3597 WHERE "issue"."id" = "issue_id_p"
3598 AND "opinion"."suggestion_id" = "suggestion_id_v"
3599 AND "opinion"."degree" = -1
3600 AND "opinion"."fulfilled" = TRUE
3601 ),
3602 "plus1_unfulfilled_count" = (
3603 SELECT coalesce(sum("snapshot"."weight"), 0)
3604 FROM "issue" CROSS JOIN "opinion"
3605 JOIN "direct_interest_snapshot" AS "snapshot"
3606 ON "snapshot"."issue_id" = "issue"."id"
3607 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3608 AND "snapshot"."member_id" = "opinion"."member_id"
3609 WHERE "issue"."id" = "issue_id_p"
3610 AND "opinion"."suggestion_id" = "suggestion_id_v"
3611 AND "opinion"."degree" = 1
3612 AND "opinion"."fulfilled" = FALSE
3613 ),
3614 "plus1_fulfilled_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" = 1
3624 AND "opinion"."fulfilled" = TRUE
3625 ),
3626 "plus2_unfulfilled_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" = FALSE
3637 ),
3638 "plus2_fulfilled_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" = 2
3648 AND "opinion"."fulfilled" = TRUE
3649 )
3650 WHERE "suggestion"."id" = "suggestion_id_v";
3651 END LOOP;
3652 END LOOP;
3653 RETURN;
3654 END;
3655 $$;
3657 COMMENT ON FUNCTION "create_snapshot"
3658 ( "issue"."id"%TYPE )
3659 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.';
3662 CREATE FUNCTION "set_snapshot_event"
3663 ( "issue_id_p" "issue"."id"%TYPE,
3664 "event_p" "snapshot_event" )
3665 RETURNS VOID
3666 LANGUAGE 'plpgsql' VOLATILE AS $$
3667 DECLARE
3668 "event_v" "issue"."latest_snapshot_event"%TYPE;
3669 BEGIN
3670 PERFORM "require_transaction_isolation"();
3671 SELECT "latest_snapshot_event" INTO "event_v" FROM "issue"
3672 WHERE "id" = "issue_id_p" FOR UPDATE;
3673 UPDATE "issue" SET "latest_snapshot_event" = "event_p"
3674 WHERE "id" = "issue_id_p";
3675 UPDATE "direct_population_snapshot" SET "event" = "event_p"
3676 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
3677 UPDATE "delegating_population_snapshot" SET "event" = "event_p"
3678 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
3679 UPDATE "direct_interest_snapshot" SET "event" = "event_p"
3680 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
3681 UPDATE "delegating_interest_snapshot" SET "event" = "event_p"
3682 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
3683 UPDATE "direct_supporter_snapshot" SET "event" = "event_p"
3684 FROM "initiative" -- NOTE: due to missing index on issue_id
3685 WHERE "initiative"."issue_id" = "issue_id_p"
3686 AND "direct_supporter_snapshot"."initiative_id" = "initiative"."id"
3687 AND "direct_supporter_snapshot"."event" = "event_v";
3688 RETURN;
3689 END;
3690 $$;
3692 COMMENT ON FUNCTION "set_snapshot_event"
3693 ( "issue"."id"%TYPE,
3694 "snapshot_event" )
3695 IS 'Change "event" attribute of the previous ''periodic'' snapshot';
3699 -----------------------
3700 -- Counting of votes --
3701 -----------------------
3704 CREATE FUNCTION "weight_of_added_vote_delegations"
3705 ( "issue_id_p" "issue"."id"%TYPE,
3706 "member_id_p" "member"."id"%TYPE,
3707 "delegate_member_ids_p" "delegating_voter"."delegate_member_ids"%TYPE )
3708 RETURNS "direct_voter"."weight"%TYPE
3709 LANGUAGE 'plpgsql' VOLATILE AS $$
3710 DECLARE
3711 "issue_delegation_row" "issue_delegation"%ROWTYPE;
3712 "delegate_member_ids_v" "delegating_voter"."delegate_member_ids"%TYPE;
3713 "weight_v" INT4;
3714 "sub_weight_v" INT4;
3715 BEGIN
3716 PERFORM "require_transaction_isolation"();
3717 "weight_v" := 0;
3718 FOR "issue_delegation_row" IN
3719 SELECT * FROM "issue_delegation"
3720 WHERE "trustee_id" = "member_id_p"
3721 AND "issue_id" = "issue_id_p"
3722 LOOP
3723 IF NOT EXISTS (
3724 SELECT NULL FROM "direct_voter"
3725 WHERE "member_id" = "issue_delegation_row"."truster_id"
3726 AND "issue_id" = "issue_id_p"
3727 ) AND NOT EXISTS (
3728 SELECT NULL FROM "delegating_voter"
3729 WHERE "member_id" = "issue_delegation_row"."truster_id"
3730 AND "issue_id" = "issue_id_p"
3731 ) THEN
3732 "delegate_member_ids_v" :=
3733 "member_id_p" || "delegate_member_ids_p";
3734 INSERT INTO "delegating_voter" (
3735 "issue_id",
3736 "member_id",
3737 "scope",
3738 "delegate_member_ids"
3739 ) VALUES (
3740 "issue_id_p",
3741 "issue_delegation_row"."truster_id",
3742 "issue_delegation_row"."scope",
3743 "delegate_member_ids_v"
3744 );
3745 "sub_weight_v" := 1 +
3746 "weight_of_added_vote_delegations"(
3747 "issue_id_p",
3748 "issue_delegation_row"."truster_id",
3749 "delegate_member_ids_v"
3750 );
3751 UPDATE "delegating_voter"
3752 SET "weight" = "sub_weight_v"
3753 WHERE "issue_id" = "issue_id_p"
3754 AND "member_id" = "issue_delegation_row"."truster_id";
3755 "weight_v" := "weight_v" + "sub_weight_v";
3756 END IF;
3757 END LOOP;
3758 RETURN "weight_v";
3759 END;
3760 $$;
3762 COMMENT ON FUNCTION "weight_of_added_vote_delegations"
3763 ( "issue"."id"%TYPE,
3764 "member"."id"%TYPE,
3765 "delegating_voter"."delegate_member_ids"%TYPE )
3766 IS 'Helper function for "add_vote_delegations" function';
3769 CREATE FUNCTION "add_vote_delegations"
3770 ( "issue_id_p" "issue"."id"%TYPE )
3771 RETURNS VOID
3772 LANGUAGE 'plpgsql' VOLATILE AS $$
3773 DECLARE
3774 "member_id_v" "member"."id"%TYPE;
3775 BEGIN
3776 PERFORM "require_transaction_isolation"();
3777 FOR "member_id_v" IN
3778 SELECT "member_id" FROM "direct_voter"
3779 WHERE "issue_id" = "issue_id_p"
3780 LOOP
3781 UPDATE "direct_voter" SET
3782 "weight" = "weight" + "weight_of_added_vote_delegations"(
3783 "issue_id_p",
3784 "member_id_v",
3785 '{}'
3786 )
3787 WHERE "member_id" = "member_id_v"
3788 AND "issue_id" = "issue_id_p";
3789 END LOOP;
3790 RETURN;
3791 END;
3792 $$;
3794 COMMENT ON FUNCTION "add_vote_delegations"
3795 ( "issue_id_p" "issue"."id"%TYPE )
3796 IS 'Helper function for "close_voting" function';
3799 CREATE FUNCTION "close_voting"("issue_id_p" "issue"."id"%TYPE)
3800 RETURNS VOID
3801 LANGUAGE 'plpgsql' VOLATILE AS $$
3802 DECLARE
3803 "area_id_v" "area"."id"%TYPE;
3804 "unit_id_v" "unit"."id"%TYPE;
3805 "member_id_v" "member"."id"%TYPE;
3806 BEGIN
3807 PERFORM "require_transaction_isolation"();
3808 SELECT "area_id" INTO "area_id_v" FROM "issue" WHERE "id" = "issue_id_p";
3809 SELECT "unit_id" INTO "unit_id_v" FROM "area" WHERE "id" = "area_id_v";
3810 -- override protection triggers:
3811 INSERT INTO "temporary_transaction_data" ("key", "value")
3812 VALUES ('override_protection_triggers', TRUE::TEXT);
3813 -- delete timestamp of voting comment:
3814 UPDATE "direct_voter" SET "comment_changed" = NULL
3815 WHERE "issue_id" = "issue_id_p";
3816 -- delete delegating votes (in cases of manual reset of issue state):
3817 DELETE FROM "delegating_voter"
3818 WHERE "issue_id" = "issue_id_p";
3819 -- delete votes from non-privileged voters:
3820 DELETE FROM "direct_voter"
3821 USING (
3822 SELECT
3823 "direct_voter"."member_id"
3824 FROM "direct_voter"
3825 JOIN "member" ON "direct_voter"."member_id" = "member"."id"
3826 LEFT JOIN "privilege"
3827 ON "privilege"."unit_id" = "unit_id_v"
3828 AND "privilege"."member_id" = "direct_voter"."member_id"
3829 WHERE "direct_voter"."issue_id" = "issue_id_p" AND (
3830 "member"."active" = FALSE OR
3831 "privilege"."voting_right" ISNULL OR
3832 "privilege"."voting_right" = FALSE
3833 )
3834 ) AS "subquery"
3835 WHERE "direct_voter"."issue_id" = "issue_id_p"
3836 AND "direct_voter"."member_id" = "subquery"."member_id";
3837 -- consider delegations:
3838 UPDATE "direct_voter" SET "weight" = 1
3839 WHERE "issue_id" = "issue_id_p";
3840 PERFORM "add_vote_delegations"("issue_id_p");
3841 -- mark first preferences:
3842 UPDATE "vote" SET "first_preference" = "subquery"."first_preference"
3843 FROM (
3844 SELECT
3845 "vote"."initiative_id",
3846 "vote"."member_id",
3847 CASE WHEN "vote"."grade" > 0 THEN
3848 CASE WHEN "vote"."grade" = max("agg"."grade") THEN TRUE ELSE FALSE END
3849 ELSE NULL
3850 END AS "first_preference"
3851 FROM "vote"
3852 JOIN "initiative" -- NOTE: due to missing index on issue_id
3853 ON "vote"."issue_id" = "initiative"."issue_id"
3854 JOIN "vote" AS "agg"
3855 ON "initiative"."id" = "agg"."initiative_id"
3856 AND "vote"."member_id" = "agg"."member_id"
3857 GROUP BY "vote"."initiative_id", "vote"."member_id", "vote"."grade"
3858 ) AS "subquery"
3859 WHERE "vote"."issue_id" = "issue_id_p"
3860 AND "vote"."initiative_id" = "subquery"."initiative_id"
3861 AND "vote"."member_id" = "subquery"."member_id";
3862 -- finish overriding protection triggers (avoids garbage):
3863 DELETE FROM "temporary_transaction_data"
3864 WHERE "key" = 'override_protection_triggers';
3865 -- materialize battle_view:
3866 -- NOTE: "closed" column of issue must be set at this point
3867 DELETE FROM "battle" WHERE "issue_id" = "issue_id_p";
3868 INSERT INTO "battle" (
3869 "issue_id",
3870 "winning_initiative_id", "losing_initiative_id",
3871 "count"
3872 ) SELECT
3873 "issue_id",
3874 "winning_initiative_id", "losing_initiative_id",
3875 "count"
3876 FROM "battle_view" WHERE "issue_id" = "issue_id_p";
3877 -- set voter count:
3878 UPDATE "issue" SET
3879 "voter_count" = (
3880 SELECT coalesce(sum("weight"), 0)
3881 FROM "direct_voter" WHERE "issue_id" = "issue_id_p"
3882 )
3883 WHERE "id" = "issue_id_p";
3884 -- copy "positive_votes" and "negative_votes" from "battle" table:
3885 -- NOTE: "first_preference_votes" is set to a default of 0 at this step
3886 UPDATE "initiative" SET
3887 "first_preference_votes" = 0,
3888 "positive_votes" = "battle_win"."count",
3889 "negative_votes" = "battle_lose"."count"
3890 FROM "battle" AS "battle_win", "battle" AS "battle_lose"
3891 WHERE
3892 "battle_win"."issue_id" = "issue_id_p" AND
3893 "battle_win"."winning_initiative_id" = "initiative"."id" AND
3894 "battle_win"."losing_initiative_id" ISNULL AND
3895 "battle_lose"."issue_id" = "issue_id_p" AND
3896 "battle_lose"."losing_initiative_id" = "initiative"."id" AND
3897 "battle_lose"."winning_initiative_id" ISNULL;
3898 -- calculate "first_preference_votes":
3899 -- NOTE: will only set values not equal to zero
3900 UPDATE "initiative" SET "first_preference_votes" = "subquery"."sum"
3901 FROM (
3902 SELECT "vote"."initiative_id", sum("direct_voter"."weight")
3903 FROM "vote" JOIN "direct_voter"
3904 ON "vote"."issue_id" = "direct_voter"."issue_id"
3905 AND "vote"."member_id" = "direct_voter"."member_id"
3906 WHERE "vote"."first_preference"
3907 GROUP BY "vote"."initiative_id"
3908 ) AS "subquery"
3909 WHERE "initiative"."issue_id" = "issue_id_p"
3910 AND "initiative"."admitted"
3911 AND "initiative"."id" = "subquery"."initiative_id";
3912 END;
3913 $$;
3915 COMMENT ON FUNCTION "close_voting"
3916 ( "issue"."id"%TYPE )
3917 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.';
3920 CREATE FUNCTION "defeat_strength"
3921 ( "positive_votes_p" INT4,
3922 "negative_votes_p" INT4,
3923 "defeat_strength_p" "defeat_strength" )
3924 RETURNS INT8
3925 LANGUAGE 'plpgsql' IMMUTABLE AS $$
3926 BEGIN
3927 IF "defeat_strength_p" = 'simple'::"defeat_strength" THEN
3928 IF "positive_votes_p" > "negative_votes_p" THEN
3929 RETURN "positive_votes_p";
3930 ELSE
3931 RETURN 0;
3932 END IF;
3933 ELSE
3934 IF "positive_votes_p" > "negative_votes_p" THEN
3935 RETURN ("positive_votes_p"::INT8 << 31) - "negative_votes_p"::INT8;
3936 ELSIF "positive_votes_p" = "negative_votes_p" THEN
3937 RETURN 0;
3938 ELSE
3939 RETURN -1;
3940 END IF;
3941 END IF;
3942 END;
3943 $$;
3945 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")';
3948 CREATE FUNCTION "secondary_link_strength"
3949 ( "initiative1_ord_p" INT4,
3950 "initiative2_ord_p" INT4,
3951 "tie_breaking_p" "tie_breaking" )
3952 RETURNS INT8
3953 LANGUAGE 'plpgsql' IMMUTABLE AS $$
3954 BEGIN
3955 IF "initiative1_ord_p" = "initiative2_ord_p" THEN
3956 RAISE EXCEPTION 'Identical initiative ids passed to "secondary_link_strength" function (should not happen)';
3957 END IF;
3958 RETURN (
3959 CASE WHEN "tie_breaking_p" = 'simple'::"tie_breaking" THEN
3960 0
3961 ELSE
3962 CASE WHEN "initiative1_ord_p" < "initiative2_ord_p" THEN
3963 1::INT8 << 62
3964 ELSE 0 END
3965 +
3966 CASE WHEN "tie_breaking_p" = 'variant2'::"tie_breaking" THEN
3967 ("initiative2_ord_p"::INT8 << 31) - "initiative1_ord_p"::INT8
3968 ELSE
3969 "initiative2_ord_p"::INT8 - ("initiative1_ord_p"::INT8 << 31)
3970 END
3971 END
3972 );
3973 END;
3974 $$;
3976 COMMENT ON FUNCTION "secondary_link_strength"(INT4, INT4, "tie_breaking") IS 'Calculates a secondary criterion for the defeat strength (tie-breaking of the links)';
3979 CREATE TYPE "link_strength" AS (
3980 "primary" INT8,
3981 "secondary" INT8 );
3983 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'')';
3986 CREATE FUNCTION "find_best_paths"("matrix_d" "link_strength"[][])
3987 RETURNS "link_strength"[][]
3988 LANGUAGE 'plpgsql' IMMUTABLE AS $$
3989 DECLARE
3990 "dimension_v" INT4;
3991 "matrix_p" "link_strength"[][];
3992 "i" INT4;
3993 "j" INT4;
3994 "k" INT4;
3995 BEGIN
3996 "dimension_v" := array_upper("matrix_d", 1);
3997 "matrix_p" := "matrix_d";
3998 "i" := 1;
3999 LOOP
4000 "j" := 1;
4001 LOOP
4002 IF "i" != "j" THEN
4003 "k" := 1;
4004 LOOP
4005 IF "i" != "k" AND "j" != "k" THEN
4006 IF "matrix_p"["j"]["i"] < "matrix_p"["i"]["k"] THEN
4007 IF "matrix_p"["j"]["i"] > "matrix_p"["j"]["k"] THEN
4008 "matrix_p"["j"]["k"] := "matrix_p"["j"]["i"];
4009 END IF;
4010 ELSE
4011 IF "matrix_p"["i"]["k"] > "matrix_p"["j"]["k"] THEN
4012 "matrix_p"["j"]["k"] := "matrix_p"["i"]["k"];
4013 END IF;
4014 END IF;
4015 END IF;
4016 EXIT WHEN "k" = "dimension_v";
4017 "k" := "k" + 1;
4018 END LOOP;
4019 END IF;
4020 EXIT WHEN "j" = "dimension_v";
4021 "j" := "j" + 1;
4022 END LOOP;
4023 EXIT WHEN "i" = "dimension_v";
4024 "i" := "i" + 1;
4025 END LOOP;
4026 RETURN "matrix_p";
4027 END;
4028 $$;
4030 COMMENT ON FUNCTION "find_best_paths"("link_strength"[][]) IS 'Computes the strengths of the best beat-paths from a square matrix';
4033 CREATE FUNCTION "calculate_ranks"("issue_id_p" "issue"."id"%TYPE)
4034 RETURNS VOID
4035 LANGUAGE 'plpgsql' VOLATILE AS $$
4036 DECLARE
4037 "issue_row" "issue"%ROWTYPE;
4038 "policy_row" "policy"%ROWTYPE;
4039 "dimension_v" INT4;
4040 "matrix_a" INT4[][]; -- absolute votes
4041 "matrix_d" "link_strength"[][]; -- defeat strength (direct)
4042 "matrix_p" "link_strength"[][]; -- defeat strength (best path)
4043 "matrix_t" "link_strength"[][]; -- defeat strength (tie-breaking)
4044 "matrix_f" BOOLEAN[][]; -- forbidden link (tie-breaking)
4045 "matrix_b" BOOLEAN[][]; -- final order (who beats who)
4046 "i" INT4;
4047 "j" INT4;
4048 "m" INT4;
4049 "n" INT4;
4050 "battle_row" "battle"%ROWTYPE;
4051 "rank_ary" INT4[];
4052 "rank_v" INT4;
4053 "initiative_id_v" "initiative"."id"%TYPE;
4054 BEGIN
4055 PERFORM "require_transaction_isolation"();
4056 SELECT * INTO "issue_row"
4057 FROM "issue" WHERE "id" = "issue_id_p";
4058 SELECT * INTO "policy_row"
4059 FROM "policy" WHERE "id" = "issue_row"."policy_id";
4060 SELECT count(1) INTO "dimension_v"
4061 FROM "battle_participant" WHERE "issue_id" = "issue_id_p";
4062 -- create "matrix_a" with absolute number of votes in pairwise
4063 -- comparison:
4064 "matrix_a" := array_fill(NULL::INT4, ARRAY["dimension_v", "dimension_v"]);
4065 "i" := 1;
4066 "j" := 2;
4067 FOR "battle_row" IN
4068 SELECT * FROM "battle" WHERE "issue_id" = "issue_id_p"
4069 ORDER BY
4070 "winning_initiative_id" NULLS FIRST,
4071 "losing_initiative_id" NULLS FIRST
4072 LOOP
4073 "matrix_a"["i"]["j"] := "battle_row"."count";
4074 IF "j" = "dimension_v" THEN
4075 "i" := "i" + 1;
4076 "j" := 1;
4077 ELSE
4078 "j" := "j" + 1;
4079 IF "j" = "i" THEN
4080 "j" := "j" + 1;
4081 END IF;
4082 END IF;
4083 END LOOP;
4084 IF "i" != "dimension_v" OR "j" != "dimension_v" + 1 THEN
4085 RAISE EXCEPTION 'Wrong battle count (should not happen)';
4086 END IF;
4087 -- store direct defeat strengths in "matrix_d" using "defeat_strength"
4088 -- and "secondary_link_strength" functions:
4089 "matrix_d" := array_fill(NULL::INT8, ARRAY["dimension_v", "dimension_v"]);
4090 "i" := 1;
4091 LOOP
4092 "j" := 1;
4093 LOOP
4094 IF "i" != "j" THEN
4095 "matrix_d"["i"]["j"] := (
4096 "defeat_strength"(
4097 "matrix_a"["i"]["j"],
4098 "matrix_a"["j"]["i"],
4099 "policy_row"."defeat_strength"
4100 ),
4101 "secondary_link_strength"(
4102 "i",
4103 "j",
4104 "policy_row"."tie_breaking"
4105 )
4106 )::"link_strength";
4107 END IF;
4108 EXIT WHEN "j" = "dimension_v";
4109 "j" := "j" + 1;
4110 END LOOP;
4111 EXIT WHEN "i" = "dimension_v";
4112 "i" := "i" + 1;
4113 END LOOP;
4114 -- find best paths:
4115 "matrix_p" := "find_best_paths"("matrix_d");
4116 -- create partial order:
4117 "matrix_b" := array_fill(NULL::BOOLEAN, ARRAY["dimension_v", "dimension_v"]);
4118 "i" := 1;
4119 LOOP
4120 "j" := "i" + 1;
4121 LOOP
4122 IF "i" != "j" THEN
4123 IF "matrix_p"["i"]["j"] > "matrix_p"["j"]["i"] THEN
4124 "matrix_b"["i"]["j"] := TRUE;
4125 "matrix_b"["j"]["i"] := FALSE;
4126 ELSIF "matrix_p"["i"]["j"] < "matrix_p"["j"]["i"] THEN
4127 "matrix_b"["i"]["j"] := FALSE;
4128 "matrix_b"["j"]["i"] := TRUE;
4129 END IF;
4130 END IF;
4131 EXIT WHEN "j" = "dimension_v";
4132 "j" := "j" + 1;
4133 END LOOP;
4134 EXIT WHEN "i" = "dimension_v" - 1;
4135 "i" := "i" + 1;
4136 END LOOP;
4137 -- tie-breaking by forbidding shared weakest links in beat-paths
4138 -- (unless "tie_breaking" is set to 'simple', in which case tie-breaking
4139 -- is performed later by initiative id):
4140 IF "policy_row"."tie_breaking" != 'simple'::"tie_breaking" THEN
4141 "m" := 1;
4142 LOOP
4143 "n" := "m" + 1;
4144 LOOP
4145 -- only process those candidates m and n, which are tied:
4146 IF "matrix_b"["m"]["n"] ISNULL THEN
4147 -- start with beat-paths prior tie-breaking:
4148 "matrix_t" := "matrix_p";
4149 -- start with all links allowed:
4150 "matrix_f" := array_fill(FALSE, ARRAY["dimension_v", "dimension_v"]);
4151 LOOP
4152 -- determine (and forbid) that link that is the weakest link
4153 -- in both the best path from candidate m to candidate n and
4154 -- from candidate n to candidate m:
4155 "i" := 1;
4156 <<forbid_one_link>>
4157 LOOP
4158 "j" := 1;
4159 LOOP
4160 IF "i" != "j" THEN
4161 IF "matrix_d"["i"]["j"] = "matrix_t"["m"]["n"] THEN
4162 "matrix_f"["i"]["j"] := TRUE;
4163 -- exit for performance reasons,
4164 -- as exactly one link will be found:
4165 EXIT forbid_one_link;
4166 END IF;
4167 END IF;
4168 EXIT WHEN "j" = "dimension_v";
4169 "j" := "j" + 1;
4170 END LOOP;
4171 IF "i" = "dimension_v" THEN
4172 RAISE EXCEPTION 'Did not find shared weakest link for tie-breaking (should not happen)';
4173 END IF;
4174 "i" := "i" + 1;
4175 END LOOP;
4176 -- calculate best beat-paths while ignoring forbidden links:
4177 "i" := 1;
4178 LOOP
4179 "j" := 1;
4180 LOOP
4181 IF "i" != "j" THEN
4182 "matrix_t"["i"]["j"] := CASE
4183 WHEN "matrix_f"["i"]["j"]
4184 THEN ((-1::INT8) << 63, 0)::"link_strength" -- worst possible value
4185 ELSE "matrix_d"["i"]["j"] END;
4186 END IF;
4187 EXIT WHEN "j" = "dimension_v";
4188 "j" := "j" + 1;
4189 END LOOP;
4190 EXIT WHEN "i" = "dimension_v";
4191 "i" := "i" + 1;
4192 END LOOP;
4193 "matrix_t" := "find_best_paths"("matrix_t");
4194 -- extend partial order, if tie-breaking was successful:
4195 IF "matrix_t"["m"]["n"] > "matrix_t"["n"]["m"] THEN
4196 "matrix_b"["m"]["n"] := TRUE;
4197 "matrix_b"["n"]["m"] := FALSE;
4198 EXIT;
4199 ELSIF "matrix_t"["m"]["n"] < "matrix_t"["n"]["m"] THEN
4200 "matrix_b"["m"]["n"] := FALSE;
4201 "matrix_b"["n"]["m"] := TRUE;
4202 EXIT;
4203 END IF;
4204 END LOOP;
4205 END IF;
4206 EXIT WHEN "n" = "dimension_v";
4207 "n" := "n" + 1;
4208 END LOOP;
4209 EXIT WHEN "m" = "dimension_v" - 1;
4210 "m" := "m" + 1;
4211 END LOOP;
4212 END IF;
4213 -- store a unique ranking in "rank_ary":
4214 "rank_ary" := array_fill(NULL::INT4, ARRAY["dimension_v"]);
4215 "rank_v" := 1;
4216 LOOP
4217 "i" := 1;
4218 <<assign_next_rank>>
4219 LOOP
4220 IF "rank_ary"["i"] ISNULL THEN
4221 "j" := 1;
4222 LOOP
4223 IF
4224 "i" != "j" AND
4225 "rank_ary"["j"] ISNULL AND
4226 ( "matrix_b"["j"]["i"] OR
4227 -- tie-breaking by "id"
4228 ( "matrix_b"["j"]["i"] ISNULL AND
4229 "j" < "i" ) )
4230 THEN
4231 -- someone else is better
4232 EXIT;
4233 END IF;
4234 IF "j" = "dimension_v" THEN
4235 -- noone is better
4236 "rank_ary"["i"] := "rank_v";
4237 EXIT assign_next_rank;
4238 END IF;
4239 "j" := "j" + 1;
4240 END LOOP;
4241 END IF;
4242 "i" := "i" + 1;
4243 IF "i" > "dimension_v" THEN
4244 RAISE EXCEPTION 'Schulze ranking does not compute (should not happen)';
4245 END IF;
4246 END LOOP;
4247 EXIT WHEN "rank_v" = "dimension_v";
4248 "rank_v" := "rank_v" + 1;
4249 END LOOP;
4250 -- write preliminary results:
4251 "i" := 2; -- omit status quo with "i" = 1
4252 FOR "initiative_id_v" IN
4253 SELECT "id" FROM "initiative"
4254 WHERE "issue_id" = "issue_id_p" AND "admitted"
4255 ORDER BY "id"
4256 LOOP
4257 UPDATE "initiative" SET
4258 "direct_majority" =
4259 CASE WHEN "policy_row"."direct_majority_strict" THEN
4260 "positive_votes" * "policy_row"."direct_majority_den" >
4261 "policy_row"."direct_majority_num" * ("positive_votes"+"negative_votes")
4262 ELSE
4263 "positive_votes" * "policy_row"."direct_majority_den" >=
4264 "policy_row"."direct_majority_num" * ("positive_votes"+"negative_votes")
4265 END
4266 AND "positive_votes" >= "policy_row"."direct_majority_positive"
4267 AND "issue_row"."voter_count"-"negative_votes" >=
4268 "policy_row"."direct_majority_non_negative",
4269 "indirect_majority" =
4270 CASE WHEN "policy_row"."indirect_majority_strict" THEN
4271 "positive_votes" * "policy_row"."indirect_majority_den" >
4272 "policy_row"."indirect_majority_num" * ("positive_votes"+"negative_votes")
4273 ELSE
4274 "positive_votes" * "policy_row"."indirect_majority_den" >=
4275 "policy_row"."indirect_majority_num" * ("positive_votes"+"negative_votes")
4276 END
4277 AND "positive_votes" >= "policy_row"."indirect_majority_positive"
4278 AND "issue_row"."voter_count"-"negative_votes" >=
4279 "policy_row"."indirect_majority_non_negative",
4280 "schulze_rank" = "rank_ary"["i"],
4281 "better_than_status_quo" = "rank_ary"["i"] < "rank_ary"[1],
4282 "worse_than_status_quo" = "rank_ary"["i"] > "rank_ary"[1],
4283 "multistage_majority" = "rank_ary"["i"] >= "rank_ary"[1],
4284 "reverse_beat_path" = CASE WHEN "policy_row"."defeat_strength" = 'simple'::"defeat_strength"
4285 THEN NULL
4286 ELSE "matrix_p"[1]["i"]."primary" >= 0 END,
4287 "eligible" = FALSE,
4288 "winner" = FALSE,
4289 "rank" = NULL -- NOTE: in cases of manual reset of issue state
4290 WHERE "id" = "initiative_id_v";
4291 "i" := "i" + 1;
4292 END LOOP;
4293 IF "i" != "dimension_v" + 1 THEN
4294 RAISE EXCEPTION 'Wrong winner count (should not happen)';
4295 END IF;
4296 -- take indirect majorities into account:
4297 LOOP
4298 UPDATE "initiative" SET "indirect_majority" = TRUE
4299 FROM (
4300 SELECT "new_initiative"."id" AS "initiative_id"
4301 FROM "initiative" "old_initiative"
4302 JOIN "initiative" "new_initiative"
4303 ON "new_initiative"."issue_id" = "issue_id_p"
4304 AND "new_initiative"."indirect_majority" = FALSE
4305 JOIN "battle" "battle_win"
4306 ON "battle_win"."issue_id" = "issue_id_p"
4307 AND "battle_win"."winning_initiative_id" = "new_initiative"."id"
4308 AND "battle_win"."losing_initiative_id" = "old_initiative"."id"
4309 JOIN "battle" "battle_lose"
4310 ON "battle_lose"."issue_id" = "issue_id_p"
4311 AND "battle_lose"."losing_initiative_id" = "new_initiative"."id"
4312 AND "battle_lose"."winning_initiative_id" = "old_initiative"."id"
4313 WHERE "old_initiative"."issue_id" = "issue_id_p"
4314 AND "old_initiative"."indirect_majority" = TRUE
4315 AND CASE WHEN "policy_row"."indirect_majority_strict" THEN
4316 "battle_win"."count" * "policy_row"."indirect_majority_den" >
4317 "policy_row"."indirect_majority_num" *
4318 ("battle_win"."count"+"battle_lose"."count")
4319 ELSE
4320 "battle_win"."count" * "policy_row"."indirect_majority_den" >=
4321 "policy_row"."indirect_majority_num" *
4322 ("battle_win"."count"+"battle_lose"."count")
4323 END
4324 AND "battle_win"."count" >= "policy_row"."indirect_majority_positive"
4325 AND "issue_row"."voter_count"-"battle_lose"."count" >=
4326 "policy_row"."indirect_majority_non_negative"
4327 ) AS "subquery"
4328 WHERE "id" = "subquery"."initiative_id";
4329 EXIT WHEN NOT FOUND;
4330 END LOOP;
4331 -- set "multistage_majority" for remaining matching initiatives:
4332 UPDATE "initiative" SET "multistage_majority" = TRUE
4333 FROM (
4334 SELECT "losing_initiative"."id" AS "initiative_id"
4335 FROM "initiative" "losing_initiative"
4336 JOIN "initiative" "winning_initiative"
4337 ON "winning_initiative"."issue_id" = "issue_id_p"
4338 AND "winning_initiative"."admitted"
4339 JOIN "battle" "battle_win"
4340 ON "battle_win"."issue_id" = "issue_id_p"
4341 AND "battle_win"."winning_initiative_id" = "winning_initiative"."id"
4342 AND "battle_win"."losing_initiative_id" = "losing_initiative"."id"
4343 JOIN "battle" "battle_lose"
4344 ON "battle_lose"."issue_id" = "issue_id_p"
4345 AND "battle_lose"."losing_initiative_id" = "winning_initiative"."id"
4346 AND "battle_lose"."winning_initiative_id" = "losing_initiative"."id"
4347 WHERE "losing_initiative"."issue_id" = "issue_id_p"
4348 AND "losing_initiative"."admitted"
4349 AND "winning_initiative"."schulze_rank" <
4350 "losing_initiative"."schulze_rank"
4351 AND "battle_win"."count" > "battle_lose"."count"
4352 AND (
4353 "battle_win"."count" > "winning_initiative"."positive_votes" OR
4354 "battle_lose"."count" < "losing_initiative"."negative_votes" )
4355 ) AS "subquery"
4356 WHERE "id" = "subquery"."initiative_id";
4357 -- mark eligible initiatives:
4358 UPDATE "initiative" SET "eligible" = TRUE
4359 WHERE "issue_id" = "issue_id_p"
4360 AND "initiative"."direct_majority"
4361 AND "initiative"."indirect_majority"
4362 AND "initiative"."better_than_status_quo"
4363 AND (
4364 "policy_row"."no_multistage_majority" = FALSE OR
4365 "initiative"."multistage_majority" = FALSE )
4366 AND (
4367 "policy_row"."no_reverse_beat_path" = FALSE OR
4368 coalesce("initiative"."reverse_beat_path", FALSE) = FALSE );
4369 -- mark final winner:
4370 UPDATE "initiative" SET "winner" = TRUE
4371 FROM (
4372 SELECT "id" AS "initiative_id"
4373 FROM "initiative"
4374 WHERE "issue_id" = "issue_id_p" AND "eligible"
4375 ORDER BY
4376 "schulze_rank",
4377 "id"
4378 LIMIT 1
4379 ) AS "subquery"
4380 WHERE "id" = "subquery"."initiative_id";
4381 -- write (final) ranks:
4382 "rank_v" := 1;
4383 FOR "initiative_id_v" IN
4384 SELECT "id"
4385 FROM "initiative"
4386 WHERE "issue_id" = "issue_id_p" AND "admitted"
4387 ORDER BY
4388 "winner" DESC,
4389 "eligible" DESC,
4390 "schulze_rank",
4391 "id"
4392 LOOP
4393 UPDATE "initiative" SET "rank" = "rank_v"
4394 WHERE "id" = "initiative_id_v";
4395 "rank_v" := "rank_v" + 1;
4396 END LOOP;
4397 -- set schulze rank of status quo and mark issue as finished:
4398 UPDATE "issue" SET
4399 "status_quo_schulze_rank" = "rank_ary"[1],
4400 "state" =
4401 CASE WHEN EXISTS (
4402 SELECT NULL FROM "initiative"
4403 WHERE "issue_id" = "issue_id_p" AND "winner"
4404 ) THEN
4405 'finished_with_winner'::"issue_state"
4406 ELSE
4407 'finished_without_winner'::"issue_state"
4408 END,
4409 "closed" = "phase_finished",
4410 "phase_finished" = NULL
4411 WHERE "id" = "issue_id_p";
4412 RETURN;
4413 END;
4414 $$;
4416 COMMENT ON FUNCTION "calculate_ranks"
4417 ( "issue"."id"%TYPE )
4418 IS 'Determine ranking (Votes have to be counted first)';
4422 -----------------------------
4423 -- Automatic state changes --
4424 -----------------------------
4427 CREATE TYPE "check_issue_persistence" AS (
4428 "state" "issue_state",
4429 "phase_finished" BOOLEAN,
4430 "issue_revoked" BOOLEAN,
4431 "snapshot_created" BOOLEAN,
4432 "harmonic_weights_set" BOOLEAN,
4433 "closed_voting" BOOLEAN );
4435 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';
4438 CREATE FUNCTION "check_issue"
4439 ( "issue_id_p" "issue"."id"%TYPE,
4440 "persist" "check_issue_persistence" )
4441 RETURNS "check_issue_persistence"
4442 LANGUAGE 'plpgsql' VOLATILE AS $$
4443 DECLARE
4444 "issue_row" "issue"%ROWTYPE;
4445 "policy_row" "policy"%ROWTYPE;
4446 "initiative_row" "initiative"%ROWTYPE;
4447 "state_v" "issue_state";
4448 BEGIN
4449 PERFORM "require_transaction_isolation"();
4450 IF "persist" ISNULL THEN
4451 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p"
4452 FOR UPDATE;
4453 IF "issue_row"."closed" NOTNULL THEN
4454 RETURN NULL;
4455 END IF;
4456 "persist"."state" := "issue_row"."state";
4457 IF
4458 ( "issue_row"."state" = 'admission' AND now() >=
4459 "issue_row"."created" + "issue_row"."max_admission_time" ) OR
4460 ( "issue_row"."state" = 'discussion' AND now() >=
4461 "issue_row"."accepted" + "issue_row"."discussion_time" ) OR
4462 ( "issue_row"."state" = 'verification' AND now() >=
4463 "issue_row"."half_frozen" + "issue_row"."verification_time" ) OR
4464 ( "issue_row"."state" = 'voting' AND now() >=
4465 "issue_row"."fully_frozen" + "issue_row"."voting_time" )
4466 THEN
4467 "persist"."phase_finished" := TRUE;
4468 ELSE
4469 "persist"."phase_finished" := FALSE;
4470 END IF;
4471 IF
4472 NOT EXISTS (
4473 -- all initiatives are revoked
4474 SELECT NULL FROM "initiative"
4475 WHERE "issue_id" = "issue_id_p" AND "revoked" ISNULL
4476 ) AND (
4477 -- and issue has not been accepted yet
4478 "persist"."state" = 'admission' OR
4479 -- or verification time has elapsed
4480 ( "persist"."state" = 'verification' AND
4481 "persist"."phase_finished" ) OR
4482 -- or no initiatives have been revoked lately
4483 NOT EXISTS (
4484 SELECT NULL FROM "initiative"
4485 WHERE "issue_id" = "issue_id_p"
4486 AND now() < "revoked" + "issue_row"."verification_time"
4487 )
4488 )
4489 THEN
4490 "persist"."issue_revoked" := TRUE;
4491 ELSE
4492 "persist"."issue_revoked" := FALSE;
4493 END IF;
4494 IF "persist"."phase_finished" OR "persist"."issue_revoked" THEN
4495 UPDATE "issue" SET "phase_finished" = now()
4496 WHERE "id" = "issue_row"."id";
4497 RETURN "persist";
4498 ELSIF
4499 "persist"."state" IN ('admission', 'discussion', 'verification')
4500 THEN
4501 RETURN "persist";
4502 ELSE
4503 RETURN NULL;
4504 END IF;
4505 END IF;
4506 IF
4507 "persist"."state" IN ('admission', 'discussion', 'verification') AND
4508 coalesce("persist"."snapshot_created", FALSE) = FALSE
4509 THEN
4510 PERFORM "create_snapshot"("issue_id_p");
4511 "persist"."snapshot_created" = TRUE;
4512 IF "persist"."phase_finished" THEN
4513 IF "persist"."state" = 'admission' THEN
4514 PERFORM "set_snapshot_event"("issue_id_p", 'end_of_admission');
4515 ELSIF "persist"."state" = 'discussion' THEN
4516 PERFORM "set_snapshot_event"("issue_id_p", 'half_freeze');
4517 ELSIF "persist"."state" = 'verification' THEN
4518 PERFORM "set_snapshot_event"("issue_id_p", 'full_freeze');
4519 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p";
4520 SELECT * INTO "policy_row" FROM "policy"
4521 WHERE "id" = "issue_row"."policy_id";
4522 FOR "initiative_row" IN
4523 SELECT * FROM "initiative"
4524 WHERE "issue_id" = "issue_id_p" AND "revoked" ISNULL
4525 FOR UPDATE
4526 LOOP
4527 IF
4528 "initiative_row"."polling" OR (
4529 "initiative_row"."satisfied_supporter_count" > 0 AND
4530 "initiative_row"."satisfied_supporter_count" *
4531 "policy_row"."initiative_quorum_den" >=
4532 "issue_row"."population" * "policy_row"."initiative_quorum_num"
4533 )
4534 THEN
4535 UPDATE "initiative" SET "admitted" = TRUE
4536 WHERE "id" = "initiative_row"."id";
4537 ELSE
4538 UPDATE "initiative" SET "admitted" = FALSE
4539 WHERE "id" = "initiative_row"."id";
4540 END IF;
4541 END LOOP;
4542 END IF;
4543 END IF;
4544 RETURN "persist";
4545 END IF;
4546 IF
4547 "persist"."state" IN ('admission', 'discussion', 'verification') AND
4548 coalesce("persist"."harmonic_weights_set", FALSE) = FALSE
4549 THEN
4550 PERFORM "set_harmonic_initiative_weights"("issue_id_p");
4551 "persist"."harmonic_weights_set" = TRUE;
4552 IF
4553 "persist"."phase_finished" OR
4554 "persist"."issue_revoked" OR
4555 "persist"."state" = 'admission'
4556 THEN
4557 RETURN "persist";
4558 ELSE
4559 RETURN NULL;
4560 END IF;
4561 END IF;
4562 IF "persist"."issue_revoked" THEN
4563 IF "persist"."state" = 'admission' THEN
4564 "state_v" := 'canceled_revoked_before_accepted';
4565 ELSIF "persist"."state" = 'discussion' THEN
4566 "state_v" := 'canceled_after_revocation_during_discussion';
4567 ELSIF "persist"."state" = 'verification' THEN
4568 "state_v" := 'canceled_after_revocation_during_verification';
4569 END IF;
4570 UPDATE "issue" SET
4571 "state" = "state_v",
4572 "closed" = "phase_finished",
4573 "phase_finished" = NULL
4574 WHERE "id" = "issue_id_p";
4575 RETURN NULL;
4576 END IF;
4577 IF "persist"."state" = 'admission' THEN
4578 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p"
4579 FOR UPDATE;
4580 SELECT * INTO "policy_row"
4581 FROM "policy" WHERE "id" = "issue_row"."policy_id";
4582 IF
4583 ( now() >=
4584 "issue_row"."created" + "issue_row"."min_admission_time" ) AND
4585 EXISTS (
4586 SELECT NULL FROM "initiative"
4587 WHERE "issue_id" = "issue_id_p"
4588 AND "supporter_count" > 0
4589 AND "supporter_count" * "policy_row"."issue_quorum_den"
4590 >= "issue_row"."population" * "policy_row"."issue_quorum_num"
4591 )
4592 THEN
4593 UPDATE "issue" SET
4594 "state" = 'discussion',
4595 "accepted" = coalesce("phase_finished", now()),
4596 "phase_finished" = NULL
4597 WHERE "id" = "issue_id_p";
4598 ELSIF "issue_row"."phase_finished" NOTNULL THEN
4599 UPDATE "issue" SET
4600 "state" = 'canceled_issue_not_accepted',
4601 "closed" = "phase_finished",
4602 "phase_finished" = NULL
4603 WHERE "id" = "issue_id_p";
4604 END IF;
4605 RETURN NULL;
4606 END IF;
4607 IF "persist"."phase_finished" THEN
4608 IF "persist"."state" = 'discussion' THEN
4609 UPDATE "issue" SET
4610 "state" = 'verification',
4611 "half_frozen" = "phase_finished",
4612 "phase_finished" = NULL
4613 WHERE "id" = "issue_id_p";
4614 RETURN NULL;
4615 END IF;
4616 IF "persist"."state" = 'verification' THEN
4617 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p"
4618 FOR UPDATE;
4619 SELECT * INTO "policy_row" FROM "policy"
4620 WHERE "id" = "issue_row"."policy_id";
4621 IF EXISTS (
4622 SELECT NULL FROM "initiative"
4623 WHERE "issue_id" = "issue_id_p" AND "admitted" = TRUE
4624 ) THEN
4625 UPDATE "issue" SET
4626 "state" = 'voting',
4627 "fully_frozen" = "phase_finished",
4628 "phase_finished" = NULL
4629 WHERE "id" = "issue_id_p";
4630 ELSE
4631 UPDATE "issue" SET
4632 "state" = 'canceled_no_initiative_admitted',
4633 "fully_frozen" = "phase_finished",
4634 "closed" = "phase_finished",
4635 "phase_finished" = NULL
4636 WHERE "id" = "issue_id_p";
4637 -- NOTE: The following DELETE statements have effect only when
4638 -- issue state has been manipulated
4639 DELETE FROM "direct_voter" WHERE "issue_id" = "issue_id_p";
4640 DELETE FROM "delegating_voter" WHERE "issue_id" = "issue_id_p";
4641 DELETE FROM "battle" WHERE "issue_id" = "issue_id_p";
4642 END IF;
4643 RETURN NULL;
4644 END IF;
4645 IF "persist"."state" = 'voting' THEN
4646 IF coalesce("persist"."closed_voting", FALSE) = FALSE THEN
4647 PERFORM "close_voting"("issue_id_p");
4648 "persist"."closed_voting" = TRUE;
4649 RETURN "persist";
4650 END IF;
4651 PERFORM "calculate_ranks"("issue_id_p");
4652 RETURN NULL;
4653 END IF;
4654 END IF;
4655 RAISE WARNING 'should not happen';
4656 RETURN NULL;
4657 END;
4658 $$;
4660 COMMENT ON FUNCTION "check_issue"
4661 ( "issue"."id"%TYPE,
4662 "check_issue_persistence" )
4663 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")';
4666 CREATE FUNCTION "check_everything"()
4667 RETURNS VOID
4668 LANGUAGE 'plpgsql' VOLATILE AS $$
4669 DECLARE
4670 "issue_id_v" "issue"."id"%TYPE;
4671 "persist_v" "check_issue_persistence";
4672 BEGIN
4673 RAISE WARNING 'Function "check_everything" should only be used for development and debugging purposes';
4674 DELETE FROM "expired_session";
4675 PERFORM "check_activity"();
4676 PERFORM "calculate_member_counts"();
4677 FOR "issue_id_v" IN SELECT "id" FROM "open_issue" LOOP
4678 "persist_v" := NULL;
4679 LOOP
4680 "persist_v" := "check_issue"("issue_id_v", "persist_v");
4681 EXIT WHEN "persist_v" ISNULL;
4682 END LOOP;
4683 END LOOP;
4684 RETURN;
4685 END;
4686 $$;
4688 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.';
4692 ----------------------
4693 -- Deletion of data --
4694 ----------------------
4697 CREATE FUNCTION "clean_issue"("issue_id_p" "issue"."id"%TYPE)
4698 RETURNS VOID
4699 LANGUAGE 'plpgsql' VOLATILE AS $$
4700 BEGIN
4701 IF EXISTS (
4702 SELECT NULL FROM "issue" WHERE "id" = "issue_id_p" AND "cleaned" ISNULL
4703 ) THEN
4704 -- override protection triggers:
4705 INSERT INTO "temporary_transaction_data" ("key", "value")
4706 VALUES ('override_protection_triggers', TRUE::TEXT);
4707 -- clean data:
4708 DELETE FROM "delegating_voter"
4709 WHERE "issue_id" = "issue_id_p";
4710 DELETE FROM "direct_voter"
4711 WHERE "issue_id" = "issue_id_p";
4712 DELETE FROM "delegating_interest_snapshot"
4713 WHERE "issue_id" = "issue_id_p";
4714 DELETE FROM "direct_interest_snapshot"
4715 WHERE "issue_id" = "issue_id_p";
4716 DELETE FROM "delegating_population_snapshot"
4717 WHERE "issue_id" = "issue_id_p";
4718 DELETE FROM "direct_population_snapshot"
4719 WHERE "issue_id" = "issue_id_p";
4720 DELETE FROM "non_voter"
4721 WHERE "issue_id" = "issue_id_p";
4722 DELETE FROM "delegation"
4723 WHERE "issue_id" = "issue_id_p";
4724 DELETE FROM "supporter"
4725 USING "initiative" -- NOTE: due to missing index on issue_id
4726 WHERE "initiative"."issue_id" = "issue_id_p"
4727 AND "supporter"."initiative_id" = "initiative_id";
4728 -- mark issue as cleaned:
4729 UPDATE "issue" SET "cleaned" = now() WHERE "id" = "issue_id_p";
4730 -- finish overriding protection triggers (avoids garbage):
4731 DELETE FROM "temporary_transaction_data"
4732 WHERE "key" = 'override_protection_triggers';
4733 END IF;
4734 RETURN;
4735 END;
4736 $$;
4738 COMMENT ON FUNCTION "clean_issue"("issue"."id"%TYPE) IS 'Delete discussion data and votes belonging to an issue';
4741 CREATE FUNCTION "delete_member"("member_id_p" "member"."id"%TYPE)
4742 RETURNS VOID
4743 LANGUAGE 'plpgsql' VOLATILE AS $$
4744 BEGIN
4745 UPDATE "member" SET
4746 "last_login" = NULL,
4747 "last_delegation_check" = NULL,
4748 "login" = NULL,
4749 "password" = NULL,
4750 "authority" = NULL,
4751 "authority_uid" = NULL,
4752 "authority_login" = NULL,
4753 "locked" = TRUE,
4754 "active" = FALSE,
4755 "notify_email" = NULL,
4756 "notify_email_unconfirmed" = NULL,
4757 "notify_email_secret" = NULL,
4758 "notify_email_secret_expiry" = NULL,
4759 "notify_email_lock_expiry" = NULL,
4760 "login_recovery_expiry" = NULL,
4761 "password_reset_secret" = NULL,
4762 "password_reset_secret_expiry" = NULL,
4763 "organizational_unit" = NULL,
4764 "internal_posts" = NULL,
4765 "realname" = NULL,
4766 "birthday" = NULL,
4767 "address" = NULL,
4768 "email" = NULL,
4769 "xmpp_address" = NULL,
4770 "website" = NULL,
4771 "phone" = NULL,
4772 "mobile_phone" = NULL,
4773 "profession" = NULL,
4774 "external_memberships" = NULL,
4775 "external_posts" = NULL,
4776 "statement" = NULL
4777 WHERE "id" = "member_id_p";
4778 -- "text_search_data" is updated by triggers
4779 DELETE FROM "setting" WHERE "member_id" = "member_id_p";
4780 DELETE FROM "setting_map" WHERE "member_id" = "member_id_p";
4781 DELETE FROM "member_relation_setting" WHERE "member_id" = "member_id_p";
4782 DELETE FROM "member_image" WHERE "member_id" = "member_id_p";
4783 DELETE FROM "contact" WHERE "member_id" = "member_id_p";
4784 DELETE FROM "ignored_member" WHERE "member_id" = "member_id_p";
4785 DELETE FROM "session" WHERE "member_id" = "member_id_p";
4786 DELETE FROM "area_setting" WHERE "member_id" = "member_id_p";
4787 DELETE FROM "issue_setting" WHERE "member_id" = "member_id_p";
4788 DELETE FROM "ignored_initiative" WHERE "member_id" = "member_id_p";
4789 DELETE FROM "initiative_setting" WHERE "member_id" = "member_id_p";
4790 DELETE FROM "suggestion_setting" WHERE "member_id" = "member_id_p";
4791 DELETE FROM "membership" WHERE "member_id" = "member_id_p";
4792 DELETE FROM "delegation" WHERE "truster_id" = "member_id_p";
4793 DELETE FROM "non_voter" WHERE "member_id" = "member_id_p";
4794 DELETE FROM "direct_voter" USING "issue"
4795 WHERE "direct_voter"."issue_id" = "issue"."id"
4796 AND "issue"."closed" ISNULL
4797 AND "member_id" = "member_id_p";
4798 RETURN;
4799 END;
4800 $$;
4802 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)';
4805 CREATE FUNCTION "delete_private_data"()
4806 RETURNS VOID
4807 LANGUAGE 'plpgsql' VOLATILE AS $$
4808 BEGIN
4809 DELETE FROM "temporary_transaction_data";
4810 DELETE FROM "member" WHERE "activated" ISNULL;
4811 UPDATE "member" SET
4812 "invite_code" = NULL,
4813 "invite_code_expiry" = NULL,
4814 "admin_comment" = NULL,
4815 "last_login" = NULL,
4816 "last_delegation_check" = NULL,
4817 "login" = NULL,
4818 "password" = NULL,
4819 "authority" = NULL,
4820 "authority_uid" = NULL,
4821 "authority_login" = NULL,
4822 "lang" = NULL,
4823 "notify_email" = NULL,
4824 "notify_email_unconfirmed" = NULL,
4825 "notify_email_secret" = NULL,
4826 "notify_email_secret_expiry" = NULL,
4827 "notify_email_lock_expiry" = NULL,
4828 "notify_level" = NULL,
4829 "login_recovery_expiry" = NULL,
4830 "password_reset_secret" = NULL,
4831 "password_reset_secret_expiry" = NULL,
4832 "organizational_unit" = NULL,
4833 "internal_posts" = NULL,
4834 "realname" = NULL,
4835 "birthday" = NULL,
4836 "address" = NULL,
4837 "email" = NULL,
4838 "xmpp_address" = NULL,
4839 "website" = NULL,
4840 "phone" = NULL,
4841 "mobile_phone" = NULL,
4842 "profession" = NULL,
4843 "external_memberships" = NULL,
4844 "external_posts" = NULL,
4845 "formatting_engine" = NULL,
4846 "statement" = NULL;
4847 -- "text_search_data" is updated by triggers
4848 DELETE FROM "setting";
4849 DELETE FROM "setting_map";
4850 DELETE FROM "member_relation_setting";
4851 DELETE FROM "member_image";
4852 DELETE FROM "contact";
4853 DELETE FROM "ignored_member";
4854 DELETE FROM "session";
4855 DELETE FROM "area_setting";
4856 DELETE FROM "issue_setting";
4857 DELETE FROM "ignored_initiative";
4858 DELETE FROM "initiative_setting";
4859 DELETE FROM "suggestion_setting";
4860 DELETE FROM "non_voter";
4861 DELETE FROM "direct_voter" USING "issue"
4862 WHERE "direct_voter"."issue_id" = "issue"."id"
4863 AND "issue"."closed" ISNULL;
4864 RETURN;
4865 END;
4866 $$;
4868 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.';
4872 COMMIT;