liquid_feedback_core
view core.sql @ 476:c463d280947c
Function "featured_initiative" simplified
| author | jbe |
|---|---|
| date | Wed Mar 30 16:52:24 2016 +0200 (2016-03-30) |
| parents | ecac8ab6ca04 |
| children | eff90049fcff |
line source
2 -- Execute the following command manually for PostgreSQL prior version 9.0:
3 -- CREATE LANGUAGE plpgsql;
5 -- NOTE: In PostgreSQL every UNIQUE constraint implies creation of an index
7 BEGIN;
9 CREATE VIEW "liquid_feedback_version" AS
10 SELECT * FROM (VALUES ('3.2.0', 3, 2, 0))
11 AS "subquery"("string", "major", "minor", "revision");
15 ----------------------
16 -- Full text search --
17 ----------------------
20 CREATE FUNCTION "text_search_query"("query_text_p" TEXT)
21 RETURNS TSQUERY
22 LANGUAGE 'plpgsql' IMMUTABLE AS $$
23 BEGIN
24 RETURN plainto_tsquery('pg_catalog.simple', "query_text_p");
25 END;
26 $$;
28 COMMENT ON FUNCTION "text_search_query"(TEXT) IS 'Usage: WHERE "text_search_data" @@ "text_search_query"(''<user query>'')';
31 CREATE FUNCTION "highlight"
32 ( "body_p" TEXT,
33 "query_text_p" TEXT )
34 RETURNS TEXT
35 LANGUAGE 'plpgsql' IMMUTABLE AS $$
36 BEGIN
37 RETURN ts_headline(
38 'pg_catalog.simple',
39 replace(replace("body_p", e'\\', e'\\\\'), '*', e'\\*'),
40 "text_search_query"("query_text_p"),
41 'StartSel=* StopSel=* HighlightAll=TRUE' );
42 END;
43 $$;
45 COMMENT ON FUNCTION "highlight"
46 ( "body_p" TEXT,
47 "query_text_p" TEXT )
48 IS 'For a given a user query this function encapsulates all matches with asterisks. Asterisks and backslashes being already present are preceeded with one extra backslash.';
52 -------------------------
53 -- Tables and indicies --
54 -------------------------
57 CREATE TABLE "temporary_transaction_data" (
58 PRIMARY KEY ("txid", "key"),
59 "txid" INT8 DEFAULT txid_current(),
60 "key" TEXT,
61 "value" TEXT NOT NULL );
63 COMMENT ON TABLE "temporary_transaction_data" IS 'Table to store temporary transaction data; shall be emptied before a transaction is committed';
65 COMMENT ON COLUMN "temporary_transaction_data"."txid" IS 'Value returned by function txid_current(); should be added to WHERE clause, when doing SELECT on this table, but ignored when doing DELETE on this table';
68 CREATE TABLE "system_setting" (
69 "member_ttl" INTERVAL );
70 CREATE UNIQUE INDEX "system_setting_singleton_idx" ON "system_setting" ((1));
72 COMMENT ON TABLE "system_setting" IS 'This table contains only one row with different settings in each column.';
73 COMMENT ON INDEX "system_setting_singleton_idx" IS 'This index ensures that "system_setting" only contains one row maximum.';
75 COMMENT ON COLUMN "system_setting"."member_ttl" IS 'Time after members get their "active" flag set to FALSE, if they do not show any activity.';
78 CREATE TABLE "contingent" (
79 PRIMARY KEY ("polling", "time_frame"),
80 "polling" BOOLEAN,
81 "time_frame" INTERVAL,
82 "text_entry_limit" INT4,
83 "initiative_limit" INT4 );
85 COMMENT ON TABLE "contingent" IS 'Amount of text entries or initiatives a user may create within a given time frame. Only one row needs to be fulfilled for a member to be allowed to post. This table must not be empty.';
87 COMMENT ON COLUMN "contingent"."polling" IS 'Determines if settings are for creating initiatives and new drafts of initiatives with "polling" flag set';
88 COMMENT ON COLUMN "contingent"."text_entry_limit" IS 'Number of new drafts or suggestions to be submitted by each member within the given time frame';
89 COMMENT ON COLUMN "contingent"."initiative_limit" IS 'Number of new initiatives to be opened by each member within a given time frame';
92 CREATE TYPE "notify_level" AS ENUM
93 ('none', 'voting', 'verification', 'discussion', 'all');
95 COMMENT ON TYPE "notify_level" IS 'Level of notification: ''none'' = no notifications, ''voting'' = notifications about finished issues and issues in voting, ''verification'' = notifications about finished issues, issues in voting and verification phase, ''discussion'' = notifications about everything except issues in admission phase, ''all'' = notifications about everything';
98 CREATE TABLE "member" (
99 "id" SERIAL4 PRIMARY KEY,
100 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
101 "invite_code" TEXT UNIQUE,
102 "invite_code_expiry" TIMESTAMPTZ,
103 "admin_comment" TEXT,
104 "activated" TIMESTAMPTZ,
105 "last_activity" DATE,
106 "last_login" TIMESTAMPTZ,
107 "last_delegation_check" TIMESTAMPTZ,
108 "login" TEXT UNIQUE,
109 "password" TEXT,
110 "authority" TEXT,
111 "authority_uid" TEXT,
112 "authority_login" TEXT,
113 "locked" BOOLEAN NOT NULL DEFAULT FALSE,
114 "active" BOOLEAN NOT NULL DEFAULT FALSE,
115 "admin" BOOLEAN NOT NULL DEFAULT FALSE,
116 "lang" TEXT,
117 "notify_email" TEXT,
118 "notify_email_unconfirmed" TEXT,
119 "notify_email_secret" TEXT UNIQUE,
120 "notify_email_secret_expiry" TIMESTAMPTZ,
121 "notify_email_lock_expiry" TIMESTAMPTZ,
122 "disable_notifications" BOOLEAN NOT NULL DEFAULT FALSE,
123 "notification_counter" INT4 NOT NULL DEFAULT 0,
124 "sample_size" INT4 NOT NULL DEFAULT 3,
125 "last_notified_suggestion_id" INT8,
126 "login_recovery_expiry" TIMESTAMPTZ,
127 "password_reset_secret" TEXT UNIQUE,
128 "password_reset_secret_expiry" TIMESTAMPTZ,
129 "name" TEXT UNIQUE,
130 "identification" TEXT UNIQUE,
131 "authentication" TEXT,
132 "organizational_unit" TEXT,
133 "internal_posts" TEXT,
134 "realname" TEXT,
135 "birthday" DATE,
136 "address" TEXT,
137 "email" TEXT,
138 "xmpp_address" TEXT,
139 "website" TEXT,
140 "phone" TEXT,
141 "mobile_phone" TEXT,
142 "profession" TEXT,
143 "external_memberships" TEXT,
144 "external_posts" TEXT,
145 "formatting_engine" TEXT,
146 "statement" TEXT,
147 "text_search_data" TSVECTOR,
148 CONSTRAINT "active_requires_activated_and_last_activity"
149 CHECK ("active" = FALSE OR ("activated" NOTNULL AND "last_activity" NOTNULL)),
150 CONSTRAINT "authority_requires_uid_and_vice_versa"
151 CHECK (("authority" NOTNULL) = ("authority_uid" NOTNULL)),
152 CONSTRAINT "authority_uid_unique_per_authority"
153 UNIQUE ("authority", "authority_uid"),
154 CONSTRAINT "authority_login_requires_authority"
155 CHECK ("authority" NOTNULL OR "authority_login" ISNULL),
156 CONSTRAINT "name_not_null_if_activated"
157 CHECK ("activated" ISNULL OR "name" NOTNULL) );
158 CREATE INDEX "member_authority_login_idx" ON "member" ("authority_login");
159 CREATE INDEX "member_active_idx" ON "member" ("active");
160 CREATE INDEX "member_text_search_data_idx" ON "member" USING gin ("text_search_data");
161 CREATE TRIGGER "update_text_search_data"
162 BEFORE INSERT OR UPDATE ON "member"
163 FOR EACH ROW EXECUTE PROCEDURE
164 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',
165 "name", "identification", "organizational_unit", "internal_posts",
166 "realname", "external_memberships", "external_posts", "statement" );
168 COMMENT ON TABLE "member" IS 'Users of the system, e.g. members of an organization';
170 COMMENT ON COLUMN "member"."created" IS 'Creation of member record and/or invite code';
171 COMMENT ON COLUMN "member"."invite_code" IS 'Optional invite code, to allow a member to initialize his/her account the first time';
172 COMMENT ON COLUMN "member"."invite_code_expiry" IS 'Expiry data/time for "invite_code"';
173 COMMENT ON COLUMN "member"."admin_comment" IS 'Hidden comment for administrative purposes';
174 COMMENT ON COLUMN "member"."activated" IS 'Timestamp of first activation of account (i.e. usage of "invite_code"); required to be set for "active" members';
175 COMMENT ON COLUMN "member"."last_activity" IS 'Date of last activity of member; required to be set for "active" members';
176 COMMENT ON COLUMN "member"."last_login" IS 'Timestamp of last login';
177 COMMENT ON COLUMN "member"."last_delegation_check" IS 'Timestamp of last delegation check (i.e. confirmation of all unit and area delegations)';
178 COMMENT ON COLUMN "member"."login" IS 'Login name';
179 COMMENT ON COLUMN "member"."password" IS 'Password (preferably as crypto-hash, depending on the frontend or access layer)';
180 COMMENT ON COLUMN "member"."authority" IS 'NULL if LiquidFeedback Core is authoritative for the member account; otherwise a string that indicates the source/authority of the external account (e.g. ''LDAP'' for an LDAP account)';
181 COMMENT ON COLUMN "member"."authority_uid" IS 'Unique identifier (unique per "authority") that allows to identify an external account (e.g. even if the login name changes)';
182 COMMENT ON COLUMN "member"."authority_login" IS 'Login name for external accounts (field is not unique!)';
183 COMMENT ON COLUMN "member"."locked" IS 'Locked members can not log in.';
184 COMMENT ON COLUMN "member"."active" IS 'Memberships, support and votes are taken into account when corresponding members are marked as active. Automatically set to FALSE, if "last_activity" is older than "system_setting"."member_ttl".';
185 COMMENT ON COLUMN "member"."admin" IS 'TRUE for admins, which can administrate other users and setup policies and areas';
186 COMMENT ON COLUMN "member"."lang" IS 'Language code of the preferred language of the member';
187 COMMENT ON COLUMN "member"."notify_email" IS 'Email address where notifications of the system are sent to';
188 COMMENT ON COLUMN "member"."notify_email_unconfirmed" IS 'Unconfirmed email address provided by the member to be copied into "notify_email" field after verification';
189 COMMENT ON COLUMN "member"."notify_email_secret" IS 'Secret sent to the address in "notify_email_unconformed"';
190 COMMENT ON COLUMN "member"."notify_email_secret_expiry" IS 'Expiry date/time for "notify_email_secret"';
191 COMMENT ON COLUMN "member"."notify_email_lock_expiry" IS 'Date/time until no further email confirmation mails may be sent (abuse protection)';
192 COMMENT ON COLUMN "member"."disable_notifications" IS 'TRUE if member does not want to receive notifications';
193 COMMENT ON COLUMN "member"."login_recovery_expiry" IS 'Date/time after which another login recovery attempt is allowed';
194 COMMENT ON COLUMN "member"."password_reset_secret" IS 'Secret string sent via e-mail for password recovery';
195 COMMENT ON COLUMN "member"."password_reset_secret_expiry" IS 'Date/time until the password recovery secret is valid, and date/time after which another password recovery attempt is allowed';
196 COMMENT ON COLUMN "member"."name" IS 'Distinct name of the member, may be NULL if account has not been activated yet';
197 COMMENT ON COLUMN "member"."identification" IS 'Optional identification number or code of the member';
198 COMMENT ON COLUMN "member"."authentication" IS 'Information about how this member was authenticated';
199 COMMENT ON COLUMN "member"."organizational_unit" IS 'Branch or division of the organization the member belongs to';
200 COMMENT ON COLUMN "member"."internal_posts" IS 'Posts (offices) of the member inside the organization';
201 COMMENT ON COLUMN "member"."realname" IS 'Real name of the member, may be identical with "name"';
202 COMMENT ON COLUMN "member"."email" IS 'Published email address of the member; not used for system notifications';
203 COMMENT ON COLUMN "member"."external_memberships" IS 'Other organizations the member is involved in';
204 COMMENT ON COLUMN "member"."external_posts" IS 'Posts (offices) outside the organization';
205 COMMENT ON COLUMN "member"."formatting_engine" IS 'Allows different formatting engines (i.e. wiki formats) to be used for "member"."statement"';
206 COMMENT ON COLUMN "member"."statement" IS 'Freely chosen text of the member for his/her profile';
209 CREATE TABLE "member_history" (
210 "id" SERIAL8 PRIMARY KEY,
211 "member_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
212 "until" TIMESTAMPTZ NOT NULL DEFAULT now(),
213 "active" BOOLEAN NOT NULL,
214 "name" TEXT NOT NULL );
215 CREATE INDEX "member_history_member_id_idx" ON "member_history" ("member_id");
217 COMMENT ON TABLE "member_history" IS 'Filled by trigger; keeps information about old names and active flag of members';
219 COMMENT ON COLUMN "member_history"."id" IS 'Primary key, which can be used to sort entries correctly (and time warp resistant)';
220 COMMENT ON COLUMN "member_history"."until" IS 'Timestamp until the data was valid';
223 CREATE TABLE "rendered_member_statement" (
224 PRIMARY KEY ("member_id", "format"),
225 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
226 "format" TEXT,
227 "content" TEXT NOT NULL );
229 COMMENT ON TABLE "rendered_member_statement" IS 'This table may be used by frontends to cache "rendered" member statements (e.g. HTML output generated from wiki text)';
232 CREATE TABLE "subscription_time" (
233 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
234 "day_of_week" INT2 CONSTRAINT "day_of_week_range" CHECK ("day_of_week" BETWEEN 0 AND 6),
235 "time_of_day" TIME NOT NULL );
236 CREATE UNIQUE INDEX "subscription_time_all_days_of_week_time_of_day_idx" ON "subscription_time" ("time_of_day", "member_id") WHERE ("day_of_week" ISNULL);
237 CREATE UNIQUE INDEX "subscription_time_day_of_week_time_of_day_idx" ON "subscription_time" ("day_of_week", "time_of_day", "member_id");
239 COMMENT ON TABLE "subscription_time" IS 'Selects when a member receives digests on new user content in the system';
242 CREATE TABLE "setting" (
243 PRIMARY KEY ("member_id", "key"),
244 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
245 "key" TEXT NOT NULL,
246 "value" TEXT NOT NULL );
247 CREATE INDEX "setting_key_idx" ON "setting" ("key");
249 COMMENT ON TABLE "setting" IS 'Place to store a frontend specific setting for members as a string';
251 COMMENT ON COLUMN "setting"."key" IS 'Name of the setting, preceded by a frontend specific prefix';
254 CREATE TABLE "setting_map" (
255 PRIMARY KEY ("member_id", "key", "subkey"),
256 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
257 "key" TEXT NOT NULL,
258 "subkey" TEXT NOT NULL,
259 "value" TEXT NOT NULL );
260 CREATE INDEX "setting_map_key_idx" ON "setting_map" ("key");
262 COMMENT ON TABLE "setting_map" IS 'Place to store a frontend specific setting for members as a map of key value pairs';
264 COMMENT ON COLUMN "setting_map"."key" IS 'Name of the setting, preceded by a frontend specific prefix';
265 COMMENT ON COLUMN "setting_map"."subkey" IS 'Key of a map entry';
266 COMMENT ON COLUMN "setting_map"."value" IS 'Value of a map entry';
269 CREATE TABLE "member_relation_setting" (
270 PRIMARY KEY ("member_id", "key", "other_member_id"),
271 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
272 "key" TEXT NOT NULL,
273 "other_member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
274 "value" TEXT NOT NULL );
276 COMMENT ON TABLE "member_relation_setting" IS 'Place to store a frontend specific setting related to relations between members as a string';
279 CREATE TYPE "member_image_type" AS ENUM ('photo', 'avatar');
281 COMMENT ON TYPE "member_image_type" IS 'Types of images for a member';
284 CREATE TABLE "member_image" (
285 PRIMARY KEY ("member_id", "image_type", "scaled"),
286 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
287 "image_type" "member_image_type",
288 "scaled" BOOLEAN,
289 "content_type" TEXT,
290 "data" BYTEA NOT NULL );
292 COMMENT ON TABLE "member_image" IS 'Images of members';
294 COMMENT ON COLUMN "member_image"."scaled" IS 'FALSE for original image, TRUE for scaled version of the image';
297 CREATE TABLE "member_count" (
298 "calculated" TIMESTAMPTZ NOT NULL DEFAULT now(),
299 "total_count" INT4 NOT NULL );
301 COMMENT ON TABLE "member_count" IS 'Contains one row which contains the total count of active(!) members and a timestamp indicating when the total member count and area member counts were calculated';
303 COMMENT ON COLUMN "member_count"."calculated" IS 'timestamp indicating when the total member count and area member counts were calculated';
304 COMMENT ON COLUMN "member_count"."total_count" IS 'Total count of active(!) members';
307 CREATE TABLE "contact" (
308 PRIMARY KEY ("member_id", "other_member_id"),
309 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
310 "other_member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
311 "public" BOOLEAN NOT NULL DEFAULT FALSE,
312 CONSTRAINT "cant_save_yourself_as_contact"
313 CHECK ("member_id" != "other_member_id") );
314 CREATE INDEX "contact_other_member_id_idx" ON "contact" ("other_member_id");
316 COMMENT ON TABLE "contact" IS 'Contact lists';
318 COMMENT ON COLUMN "contact"."member_id" IS 'Member having the contact list';
319 COMMENT ON COLUMN "contact"."other_member_id" IS 'Member referenced in the contact list';
320 COMMENT ON COLUMN "contact"."public" IS 'TRUE = display contact publically';
323 CREATE TABLE "ignored_member" (
324 PRIMARY KEY ("member_id", "other_member_id"),
325 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
326 "other_member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
327 CREATE INDEX "ignored_member_other_member_id_idx" ON "ignored_member" ("other_member_id");
329 COMMENT ON TABLE "ignored_member" IS 'Possibility to filter other members';
331 COMMENT ON COLUMN "ignored_member"."member_id" IS 'Member ignoring someone';
332 COMMENT ON COLUMN "ignored_member"."other_member_id" IS 'Member being ignored';
335 CREATE TABLE "session" (
336 "ident" TEXT PRIMARY KEY,
337 "additional_secret" TEXT,
338 "expiry" TIMESTAMPTZ NOT NULL DEFAULT now() + '24 hours',
339 "member_id" INT4 REFERENCES "member" ("id") ON DELETE SET NULL,
340 "authority" TEXT,
341 "authority_uid" TEXT,
342 "authority_login" TEXT,
343 "needs_delegation_check" BOOLEAN NOT NULL DEFAULT FALSE,
344 "lang" TEXT );
345 CREATE INDEX "session_expiry_idx" ON "session" ("expiry");
347 COMMENT ON TABLE "session" IS 'Sessions, i.e. for a web-frontend or API layer';
349 COMMENT ON COLUMN "session"."ident" IS 'Secret session identifier (i.e. random string)';
350 COMMENT ON COLUMN "session"."additional_secret" IS 'Additional field to store a secret, which can be used against CSRF attacks';
351 COMMENT ON COLUMN "session"."member_id" IS 'Reference to member, who is logged in';
352 COMMENT ON COLUMN "session"."authority" IS 'Temporary store for "member"."authority" during member account creation';
353 COMMENT ON COLUMN "session"."authority_uid" IS 'Temporary store for "member"."authority_uid" during member account creation';
354 COMMENT ON COLUMN "session"."authority_login" IS 'Temporary store for "member"."authority_login" during member account creation';
355 COMMENT ON COLUMN "session"."needs_delegation_check" IS 'Set to TRUE, if member must perform a delegation check to proceed with login; see column "last_delegation_check" in "member" table';
356 COMMENT ON COLUMN "session"."lang" IS 'Language code of the selected language';
359 CREATE TYPE "defeat_strength" AS ENUM ('simple', 'tuple');
361 COMMENT ON TYPE "defeat_strength" IS 'How pairwise defeats are measured for the Schulze method: ''simple'' = only the number of winning votes, ''tuple'' = primarily the number of winning votes, secondarily the number of losing votes';
364 CREATE TYPE "tie_breaking" AS ENUM ('simple', 'variant1', 'variant2');
366 COMMENT ON TYPE "tie_breaking" IS 'Tie-breaker for the Schulze method: ''simple'' = only initiative ids are used, ''variant1'' = use initiative ids in variant 1 for tie breaking of the links (TBRL) and sequentially forbid shared links, ''variant2'' = use initiative ids in variant 2 for tie breaking of the links (TBRL) and sequentially forbid shared links';
369 CREATE TABLE "policy" (
370 "id" SERIAL4 PRIMARY KEY,
371 "index" INT4 NOT NULL,
372 "active" BOOLEAN NOT NULL DEFAULT TRUE,
373 "name" TEXT NOT NULL UNIQUE,
374 "description" TEXT NOT NULL DEFAULT '',
375 "polling" BOOLEAN NOT NULL DEFAULT FALSE,
376 "min_admission_time" INTERVAL,
377 "max_admission_time" INTERVAL,
378 "discussion_time" INTERVAL,
379 "verification_time" INTERVAL,
380 "voting_time" INTERVAL,
381 "issue_quorum_num" INT4,
382 "issue_quorum_den" INT4,
383 "initiative_quorum_num" INT4 NOT NULL,
384 "initiative_quorum_den" INT4 NOT NULL,
385 "defeat_strength" "defeat_strength" NOT NULL DEFAULT 'tuple',
386 "tie_breaking" "tie_breaking" NOT NULL DEFAULT 'variant1',
387 "direct_majority_num" INT4 NOT NULL DEFAULT 1,
388 "direct_majority_den" INT4 NOT NULL DEFAULT 2,
389 "direct_majority_strict" BOOLEAN NOT NULL DEFAULT TRUE,
390 "direct_majority_positive" INT4 NOT NULL DEFAULT 0,
391 "direct_majority_non_negative" INT4 NOT NULL DEFAULT 0,
392 "indirect_majority_num" INT4 NOT NULL DEFAULT 1,
393 "indirect_majority_den" INT4 NOT NULL DEFAULT 2,
394 "indirect_majority_strict" BOOLEAN NOT NULL DEFAULT TRUE,
395 "indirect_majority_positive" INT4 NOT NULL DEFAULT 0,
396 "indirect_majority_non_negative" INT4 NOT NULL DEFAULT 0,
397 "no_reverse_beat_path" BOOLEAN NOT NULL DEFAULT FALSE,
398 "no_multistage_majority" BOOLEAN NOT NULL DEFAULT FALSE,
399 CONSTRAINT "timing" CHECK (
400 ( "polling" = FALSE AND
401 "min_admission_time" NOTNULL AND "max_admission_time" NOTNULL AND
402 "min_admission_time" <= "max_admission_time" AND
403 "discussion_time" NOTNULL AND
404 "verification_time" NOTNULL AND
405 "voting_time" NOTNULL ) OR
406 ( "polling" = TRUE AND
407 "min_admission_time" ISNULL AND "max_admission_time" ISNULL AND
408 "discussion_time" NOTNULL AND
409 "verification_time" NOTNULL AND
410 "voting_time" NOTNULL ) OR
411 ( "polling" = TRUE AND
412 "min_admission_time" ISNULL AND "max_admission_time" ISNULL AND
413 "discussion_time" ISNULL AND
414 "verification_time" ISNULL AND
415 "voting_time" ISNULL ) ),
416 CONSTRAINT "issue_quorum_if_and_only_if_not_polling" CHECK (
417 "polling" = ("issue_quorum_num" ISNULL) AND
418 "polling" = ("issue_quorum_den" ISNULL) ),
419 CONSTRAINT "no_reverse_beat_path_requires_tuple_defeat_strength" CHECK (
420 "defeat_strength" = 'tuple'::"defeat_strength" OR
421 "no_reverse_beat_path" = FALSE ) );
422 CREATE INDEX "policy_active_idx" ON "policy" ("active");
424 COMMENT ON TABLE "policy" IS 'Policies for a particular proceeding type (timelimits, quorum)';
426 COMMENT ON COLUMN "policy"."index" IS 'Determines the order in listings';
427 COMMENT ON COLUMN "policy"."active" IS 'TRUE = policy can be used for new issues';
428 COMMENT ON COLUMN "policy"."polling" IS 'TRUE = special policy for non-user-generated issues without issue quorum, where certain initiatives (those having the "polling" flag set) do not need to pass the initiative quorum; "min_admission_time" and "max_admission_time" MUST be set to NULL, the other timings may be set to NULL altogether, allowing individual timing for those issues';
429 COMMENT ON COLUMN "policy"."min_admission_time" IS 'Minimum duration of issue state ''admission''; Minimum time an issue stays open';
430 COMMENT ON COLUMN "policy"."max_admission_time" IS 'Maximum duration of issue state ''admission''; Maximum time an issue stays open without being "accepted"';
431 COMMENT ON COLUMN "policy"."discussion_time" IS 'Duration of issue state ''discussion''; Regular time until an issue is "half_frozen" after being "accepted"';
432 COMMENT ON COLUMN "policy"."verification_time" IS 'Duration of issue state ''verification''; Regular time until an issue is "fully_frozen" (e.g. entering issue state ''voting'') after being "half_frozen"';
433 COMMENT ON COLUMN "policy"."voting_time" IS 'Duration of issue state ''voting''; Time after an issue is "fully_frozen" but not "closed" (duration of issue state ''voting'')';
434 COMMENT ON COLUMN "policy"."issue_quorum_num" IS 'Numerator of potential supporter quorum to be reached by one initiative of an issue to be "accepted" and enter issue state ''discussion''';
435 COMMENT ON COLUMN "policy"."issue_quorum_den" IS 'Denominator of potential supporter quorum to be reached by one initiative of an issue to be "accepted" and enter issue state ''discussion''';
436 COMMENT ON COLUMN "policy"."initiative_quorum_num" IS 'Numerator of satisfied supporter quorum to be reached by an initiative to be "admitted" for voting';
437 COMMENT ON COLUMN "policy"."initiative_quorum_den" IS 'Denominator of satisfied supporter quorum to be reached by an initiative to be "admitted" for voting';
438 COMMENT ON COLUMN "policy"."defeat_strength" IS 'How pairwise defeats are measured for the Schulze method; see type "defeat_strength"; ''tuple'' is the recommended setting';
439 COMMENT ON COLUMN "policy"."tie_breaking" IS 'Tie-breaker for the Schulze method; see type "tie_breaking"; ''variant1'' or ''variant2'' are recommended';
440 COMMENT ON COLUMN "policy"."direct_majority_num" IS 'Numerator of fraction of neccessary direct majority for initiatives to be attainable as winner';
441 COMMENT ON COLUMN "policy"."direct_majority_den" IS 'Denominator of fraction of neccessary direct majority for initaitives to be attainable as winner';
442 COMMENT ON COLUMN "policy"."direct_majority_strict" IS 'If TRUE, then the direct majority must be strictly greater than "direct_majority_num"/"direct_majority_den", otherwise it may also be equal.';
443 COMMENT ON COLUMN "policy"."direct_majority_positive" IS 'Absolute number of "positive_votes" neccessary for an initiative to be attainable as winner';
444 COMMENT ON COLUMN "policy"."direct_majority_non_negative" IS 'Absolute number of sum of "positive_votes" and abstentions neccessary for an initiative to be attainable as winner';
445 COMMENT ON COLUMN "policy"."indirect_majority_num" IS 'Numerator of fraction of neccessary indirect majority (through beat path) for initiatives to be attainable as winner';
446 COMMENT ON COLUMN "policy"."indirect_majority_den" IS 'Denominator of fraction of neccessary indirect majority (through beat path) for initiatives to be attainable as winner';
447 COMMENT ON COLUMN "policy"."indirect_majority_strict" IS 'If TRUE, then the indirect majority must be strictly greater than "indirect_majority_num"/"indirect_majority_den", otherwise it may also be equal.';
448 COMMENT ON COLUMN "policy"."indirect_majority_positive" IS 'Absolute number of votes in favor of the winner neccessary in a beat path to the status quo for an initaitive to be attainable as winner';
449 COMMENT ON COLUMN "policy"."indirect_majority_non_negative" IS 'Absolute number of sum of votes in favor and abstentions in a beat path to the status quo for an initiative to be attainable as winner';
450 COMMENT ON COLUMN "policy"."no_reverse_beat_path" IS 'EXPERIMENTAL FEATURE: Causes initiatives with "reverse_beat_path" flag to not be "eligible", thus disallowing them to be winner. See comment on column "initiative"."reverse_beat_path". This option ensures both that a winning initiative is never tied in a (weak) condorcet paradox with the status quo and a winning initiative always beats the status quo directly with a simple majority.';
451 COMMENT ON COLUMN "policy"."no_multistage_majority" IS 'EXPERIMENTAL FEATURE: Causes initiatives with "multistage_majority" flag to not be "eligible", thus disallowing them to be winner. See comment on column "initiative"."multistage_majority". This disqualifies initiatives which could cause an instable result. An instable result in this meaning is a result such that repeating the ballot with same preferences but with the winner of the first ballot as status quo would lead to a different winner in the second ballot. If there are no direct majorities required for the winner, or if in direct comparison only simple majorities are required and "no_reverse_beat_path" is true, then results are always stable and this flag does not have any effect on the winner (but still affects the "eligible" flag of an "initiative").';
454 CREATE TABLE "unit" (
455 "id" SERIAL4 PRIMARY KEY,
456 "parent_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
457 "active" BOOLEAN NOT NULL DEFAULT TRUE,
458 "name" TEXT NOT NULL,
459 "description" TEXT NOT NULL DEFAULT '',
460 "external_reference" TEXT,
461 "member_count" INT4,
462 "text_search_data" TSVECTOR );
463 CREATE INDEX "unit_root_idx" ON "unit" ("id") WHERE "parent_id" ISNULL;
464 CREATE INDEX "unit_parent_id_idx" ON "unit" ("parent_id");
465 CREATE INDEX "unit_active_idx" ON "unit" ("active");
466 CREATE INDEX "unit_text_search_data_idx" ON "unit" USING gin ("text_search_data");
467 CREATE TRIGGER "update_text_search_data"
468 BEFORE INSERT OR UPDATE ON "unit"
469 FOR EACH ROW EXECUTE PROCEDURE
470 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',
471 "name", "description" );
473 COMMENT ON TABLE "unit" IS 'Organizational units organized as trees; Delegations are not inherited through these trees.';
475 COMMENT ON COLUMN "unit"."parent_id" IS 'Parent id of tree node; Multiple roots allowed';
476 COMMENT ON COLUMN "unit"."active" IS 'TRUE means new issues can be created in areas of this unit';
477 COMMENT ON COLUMN "unit"."external_reference" IS 'Opaque data field to store an external reference';
478 COMMENT ON COLUMN "unit"."member_count" IS 'Count of members as determined by column "voting_right" in table "privilege"';
481 CREATE TABLE "subscription" (
482 PRIMARY KEY ("member_id", "unit_id"),
483 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
484 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
485 CREATE INDEX "subscription_unit_id_idx" ON "subscription" ("unit_id");
487 COMMENT ON TABLE "subscription" IS 'An entry in this table denotes that the member wishes to receive notifications regardless of his/her privileges in the given unit';
490 CREATE TABLE "unit_setting" (
491 PRIMARY KEY ("member_id", "key", "unit_id"),
492 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
493 "key" TEXT NOT NULL,
494 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
495 "value" TEXT NOT NULL );
497 COMMENT ON TABLE "unit_setting" IS 'Place for frontend to store unit specific settings of members as strings';
500 CREATE TABLE "area" (
501 "id" SERIAL4 PRIMARY KEY,
502 "unit_id" INT4 NOT NULL REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
503 "active" BOOLEAN NOT NULL DEFAULT TRUE,
504 "name" TEXT NOT NULL,
505 "description" TEXT NOT NULL DEFAULT '',
506 "external_reference" TEXT,
507 "direct_member_count" INT4,
508 "member_weight" INT4,
509 "text_search_data" TSVECTOR );
510 CREATE INDEX "area_unit_id_idx" ON "area" ("unit_id");
511 CREATE INDEX "area_active_idx" ON "area" ("active");
512 CREATE INDEX "area_text_search_data_idx" ON "area" USING gin ("text_search_data");
513 CREATE TRIGGER "update_text_search_data"
514 BEFORE INSERT OR UPDATE ON "area"
515 FOR EACH ROW EXECUTE PROCEDURE
516 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',
517 "name", "description" );
519 COMMENT ON TABLE "area" IS 'Subject areas';
521 COMMENT ON COLUMN "area"."active" IS 'TRUE means new issues can be created in this area';
522 COMMENT ON COLUMN "area"."external_reference" IS 'Opaque data field to store an external reference';
523 COMMENT ON COLUMN "area"."direct_member_count" IS 'Number of active members of that area (ignoring their weight), as calculated from view "area_member_count"';
524 COMMENT ON COLUMN "area"."member_weight" IS 'Same as "direct_member_count" but respecting delegations';
527 CREATE TABLE "ignored_area" (
528 PRIMARY KEY ("member_id", "area_id"),
529 "member_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
530 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
531 CREATE INDEX "ignored_area_area_id_idx" ON "ignored_area" ("area_id");
533 COMMENT ON TABLE "ignored_area" IS 'An entry in this table denotes that the member does not wish to receive notifications for the given subject area unless he/she declared interested in a particular issue';
536 CREATE TABLE "area_setting" (
537 PRIMARY KEY ("member_id", "key", "area_id"),
538 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
539 "key" TEXT NOT NULL,
540 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
541 "value" TEXT NOT NULL );
543 COMMENT ON TABLE "area_setting" IS 'Place for frontend to store area specific settings of members as strings';
546 CREATE TABLE "allowed_policy" (
547 PRIMARY KEY ("area_id", "policy_id"),
548 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
549 "policy_id" INT4 NOT NULL REFERENCES "policy" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
550 "default_policy" BOOLEAN NOT NULL DEFAULT FALSE );
551 CREATE UNIQUE INDEX "allowed_policy_one_default_per_area_idx" ON "allowed_policy" ("area_id") WHERE "default_policy";
553 COMMENT ON TABLE "allowed_policy" IS 'Selects which policies can be used in each area';
555 COMMENT ON COLUMN "allowed_policy"."default_policy" IS 'One policy per area can be set as default.';
558 CREATE TYPE "snapshot_event" AS ENUM ('periodic', 'end_of_admission', 'half_freeze', 'full_freeze');
560 COMMENT ON TYPE "snapshot_event" IS 'Reason for snapshots: ''periodic'' = due to periodic recalculation, ''end_of_admission'' = saved state at end of admission period, ''half_freeze'' = saved state at end of discussion period, ''full_freeze'' = saved state at end of verification period';
563 CREATE TYPE "issue_state" AS ENUM (
564 'admission', 'discussion', 'verification', 'voting',
565 'canceled_by_admin',
566 'canceled_revoked_before_accepted',
567 'canceled_issue_not_accepted',
568 'canceled_after_revocation_during_discussion',
569 'canceled_after_revocation_during_verification',
570 'canceled_no_initiative_admitted',
571 'finished_without_winner', 'finished_with_winner');
573 COMMENT ON TYPE "issue_state" IS 'State of issues';
576 CREATE TABLE "issue" (
577 "id" SERIAL4 PRIMARY KEY,
578 "area_id" INT4 NOT NULL REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
579 "policy_id" INT4 NOT NULL REFERENCES "policy" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
580 "admin_notice" TEXT,
581 "external_reference" TEXT,
582 "state" "issue_state" NOT NULL DEFAULT 'admission',
583 "phase_finished" TIMESTAMPTZ,
584 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
585 "accepted" TIMESTAMPTZ,
586 "half_frozen" TIMESTAMPTZ,
587 "fully_frozen" TIMESTAMPTZ,
588 "closed" TIMESTAMPTZ,
589 "cleaned" TIMESTAMPTZ,
590 "min_admission_time" INTERVAL,
591 "max_admission_time" INTERVAL,
592 "discussion_time" INTERVAL NOT NULL,
593 "verification_time" INTERVAL NOT NULL,
594 "voting_time" INTERVAL NOT NULL,
595 "snapshot" TIMESTAMPTZ,
596 "latest_snapshot_event" "snapshot_event",
597 "population" INT4,
598 "voter_count" INT4,
599 "status_quo_schulze_rank" INT4,
600 CONSTRAINT "admission_time_not_null_unless_instantly_accepted" CHECK (
601 ("min_admission_time" NOTNULL) = ("max_admission_time" NOTNULL) AND
602 ("min_admission_time" NOTNULL OR ("accepted" NOTNULL AND "accepted" = "created")) ),
603 CONSTRAINT "valid_state" CHECK (
604 (
605 ("accepted" ISNULL AND "half_frozen" ISNULL AND "fully_frozen" ISNULL ) OR
606 ("accepted" NOTNULL AND "half_frozen" ISNULL AND "fully_frozen" ISNULL ) OR
607 ("accepted" NOTNULL AND "half_frozen" NOTNULL AND "fully_frozen" ISNULL ) OR
608 ("accepted" NOTNULL AND "half_frozen" NOTNULL AND "fully_frozen" NOTNULL)
609 ) AND (
610 ("state" = 'admission' AND "closed" ISNULL AND "accepted" ISNULL) OR
611 ("state" = 'discussion' AND "closed" ISNULL AND "accepted" NOTNULL AND "half_frozen" ISNULL) OR
612 ("state" = 'verification' AND "closed" ISNULL AND "half_frozen" NOTNULL AND "fully_frozen" ISNULL) OR
613 ("state" = 'voting' AND "closed" ISNULL AND "fully_frozen" NOTNULL) OR
614 ("state" = 'canceled_by_admin' AND "closed" NOTNULL) OR
615 ("state" = 'canceled_revoked_before_accepted' AND "closed" NOTNULL AND "accepted" ISNULL) OR
616 ("state" = 'canceled_issue_not_accepted' AND "closed" NOTNULL AND "accepted" ISNULL) OR
617 ("state" = 'canceled_after_revocation_during_discussion' AND "closed" NOTNULL AND "half_frozen" ISNULL) OR
618 ("state" = 'canceled_after_revocation_during_verification' AND "closed" NOTNULL AND "fully_frozen" ISNULL) OR
619 ("state" = 'canceled_no_initiative_admitted' AND "closed" NOTNULL AND "fully_frozen" NOTNULL AND "closed" = "fully_frozen") OR
620 ("state" = 'finished_without_winner' AND "closed" NOTNULL AND "fully_frozen" NOTNULL AND "closed" != "fully_frozen") OR
621 ("state" = 'finished_with_winner' AND "closed" NOTNULL AND "fully_frozen" NOTNULL AND "closed" != "fully_frozen")
622 )),
623 CONSTRAINT "phase_finished_only_when_not_closed" CHECK (
624 "phase_finished" ISNULL OR "closed" ISNULL ),
625 CONSTRAINT "state_change_order" CHECK (
626 "created" <= "accepted" AND
627 "accepted" <= "half_frozen" AND
628 "half_frozen" <= "fully_frozen" AND
629 "fully_frozen" <= "closed" ),
630 CONSTRAINT "only_closed_issues_may_be_cleaned" CHECK (
631 "cleaned" ISNULL OR "closed" NOTNULL ),
632 CONSTRAINT "last_snapshot_on_full_freeze"
633 CHECK ("snapshot" = "fully_frozen"), -- NOTE: snapshot can be set, while frozen is NULL yet
634 CONSTRAINT "freeze_requires_snapshot"
635 CHECK ("fully_frozen" ISNULL OR "snapshot" NOTNULL),
636 CONSTRAINT "set_both_or_none_of_snapshot_and_latest_snapshot_event"
637 CHECK (("snapshot" NOTNULL) = ("latest_snapshot_event" NOTNULL)) );
638 CREATE INDEX "issue_area_id_idx" ON "issue" ("area_id");
639 CREATE INDEX "issue_policy_id_idx" ON "issue" ("policy_id");
640 CREATE INDEX "issue_created_idx" ON "issue" ("created");
641 CREATE INDEX "issue_accepted_idx" ON "issue" ("accepted");
642 CREATE INDEX "issue_half_frozen_idx" ON "issue" ("half_frozen");
643 CREATE INDEX "issue_fully_frozen_idx" ON "issue" ("fully_frozen");
644 CREATE INDEX "issue_closed_idx" ON "issue" ("closed");
645 CREATE INDEX "issue_created_idx_open" ON "issue" ("created") WHERE "closed" ISNULL;
646 CREATE INDEX "issue_closed_idx_canceled" ON "issue" ("closed") WHERE "fully_frozen" ISNULL;
648 COMMENT ON TABLE "issue" IS 'Groups of initiatives';
650 COMMENT ON COLUMN "issue"."admin_notice" IS 'Public notice by admin to explain manual interventions, or to announce corrections';
651 COMMENT ON COLUMN "issue"."external_reference" IS 'Opaque data field to store an external reference';
652 COMMENT ON COLUMN "issue"."phase_finished" IS 'Set to a value NOTNULL, if the current phase has finished, but calculations are pending; No changes in this issue shall be made by the frontend or API when this value is set';
653 COMMENT ON COLUMN "issue"."accepted" IS 'Point in time, when one initiative of issue reached the "issue_quorum"';
654 COMMENT ON COLUMN "issue"."half_frozen" IS 'Point in time, when "discussion_time" has elapsed; Frontends must ensure that for half_frozen issues a) initiatives are not revoked, b) no new drafts are created, c) no initiators are added or removed.';
655 COMMENT ON COLUMN "issue"."fully_frozen" IS 'Point in time, when "verification_time" has elapsed and voting has started; Frontends must ensure that for fully_frozen issues additionally to the restrictions for half_frozen issues a) initiatives are not created, b) no interest is created or removed, c) no supporters are added or removed, d) no opinions are created, changed or deleted.';
656 COMMENT ON COLUMN "issue"."closed" IS 'Point in time, when "max_admission_time" or "voting_time" have elapsed, and issue is no longer active; Frontends must ensure that for closed issues additionally to the restrictions for half_frozen and fully_frozen issues a) no voter is added or removed to/from the direct_voter table, b) no votes are added, modified or removed.';
657 COMMENT ON COLUMN "issue"."cleaned" IS 'Point in time, when discussion data and votes had been deleted';
658 COMMENT ON COLUMN "issue"."min_admission_time" IS 'Copied from "policy" table at creation of issue';
659 COMMENT ON COLUMN "issue"."max_admission_time" IS 'Copied from "policy" table at creation of issue';
660 COMMENT ON COLUMN "issue"."discussion_time" IS 'Copied from "policy" table at creation of issue';
661 COMMENT ON COLUMN "issue"."verification_time" IS 'Copied from "policy" table at creation of issue';
662 COMMENT ON COLUMN "issue"."voting_time" IS 'Copied from "policy" table at creation of issue';
663 COMMENT ON COLUMN "issue"."snapshot" IS 'Point in time, when snapshot tables have been updated and "population" and *_count values were precalculated';
664 COMMENT ON COLUMN "issue"."latest_snapshot_event" IS 'Event type of latest snapshot for issue; Can be used to select the latest snapshot data in the snapshot tables';
665 COMMENT ON COLUMN "issue"."population" IS 'Sum of "weight" column in table "direct_population_snapshot"';
666 COMMENT ON COLUMN "issue"."voter_count" IS 'Total number of direct and delegating voters; This value is related to the final voting, while "population" is related to snapshots before the final voting';
667 COMMENT ON COLUMN "issue"."status_quo_schulze_rank" IS 'Schulze rank of status quo, as calculated by "calculate_ranks" function';
670 CREATE TABLE "issue_order_in_admission_state" (
671 "id" INT8 PRIMARY KEY, --REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
672 "order_in_area" INT4,
673 "order_in_unit" INT4 );
675 COMMENT ON TABLE "issue_order_in_admission_state" IS 'Ordering information for issues that are not stored in the "issue" table to avoid locking of multiple issues at once; Filled/updated by "lf_update_issue_order"';
677 COMMENT ON COLUMN "issue_order_in_admission_state"."id" IS 'References "issue" ("id") but has no referential integrity trigger associated, due to performance/locking issues';
678 COMMENT ON COLUMN "issue_order_in_admission_state"."order_in_area" IS 'Order of issues in admission state within a single area; NULL values sort last';
679 COMMENT ON COLUMN "issue_order_in_admission_state"."order_in_unit" IS 'Order of issues in admission state within all areas of a unit; NULL values sort last';
682 CREATE TABLE "issue_setting" (
683 PRIMARY KEY ("member_id", "key", "issue_id"),
684 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
685 "key" TEXT NOT NULL,
686 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
687 "value" TEXT NOT NULL );
689 COMMENT ON TABLE "issue_setting" IS 'Place for frontend to store issue specific settings of members as strings';
692 CREATE TABLE "initiative" (
693 UNIQUE ("issue_id", "id"), -- index needed for foreign-key on table "vote"
694 "issue_id" INT4 NOT NULL REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
695 "id" SERIAL4 PRIMARY KEY,
696 "name" TEXT NOT NULL,
697 "polling" BOOLEAN NOT NULL DEFAULT FALSE,
698 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
699 "revoked" TIMESTAMPTZ,
700 "revoked_by_member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
701 "suggested_initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
702 "external_reference" TEXT,
703 "admitted" BOOLEAN,
704 "supporter_count" INT4,
705 "informed_supporter_count" INT4,
706 "satisfied_supporter_count" INT4,
707 "satisfied_informed_supporter_count" INT4,
708 "harmonic_weight" NUMERIC(12, 3),
709 "final_suggestion_order_calculated" BOOLEAN NOT NULL DEFAULT FALSE,
710 "first_preference_votes" INT4,
711 "positive_votes" INT4,
712 "negative_votes" INT4,
713 "direct_majority" BOOLEAN,
714 "indirect_majority" BOOLEAN,
715 "schulze_rank" INT4,
716 "better_than_status_quo" BOOLEAN,
717 "worse_than_status_quo" BOOLEAN,
718 "reverse_beat_path" BOOLEAN,
719 "multistage_majority" BOOLEAN,
720 "eligible" BOOLEAN,
721 "winner" BOOLEAN,
722 "rank" INT4,
723 "text_search_data" TSVECTOR,
724 CONSTRAINT "all_or_none_of_revoked_and_revoked_by_member_id_must_be_null"
725 CHECK (("revoked" NOTNULL) = ("revoked_by_member_id" NOTNULL)),
726 CONSTRAINT "non_revoked_initiatives_cant_suggest_other"
727 CHECK ("revoked" NOTNULL OR "suggested_initiative_id" ISNULL),
728 CONSTRAINT "revoked_initiatives_cant_be_admitted"
729 CHECK ("revoked" ISNULL OR "admitted" ISNULL),
730 CONSTRAINT "non_admitted_initiatives_cant_contain_voting_results" CHECK (
731 ( "admitted" NOTNULL AND "admitted" = TRUE ) OR
732 ( "first_preference_votes" ISNULL AND
733 "positive_votes" ISNULL AND "negative_votes" ISNULL AND
734 "direct_majority" ISNULL AND "indirect_majority" ISNULL AND
735 "schulze_rank" ISNULL AND
736 "better_than_status_quo" ISNULL AND "worse_than_status_quo" ISNULL AND
737 "reverse_beat_path" ISNULL AND "multistage_majority" ISNULL AND
738 "eligible" ISNULL AND "winner" ISNULL AND "rank" ISNULL ) ),
739 CONSTRAINT "better_excludes_worse" CHECK (NOT ("better_than_status_quo" AND "worse_than_status_quo")),
740 CONSTRAINT "minimum_requirement_to_be_eligible" CHECK (
741 "eligible" = FALSE OR
742 ("direct_majority" AND "indirect_majority" AND "better_than_status_quo") ),
743 CONSTRAINT "winner_must_be_eligible" CHECK ("winner"=FALSE OR "eligible"=TRUE),
744 CONSTRAINT "winner_must_have_first_rank" CHECK ("winner"=FALSE OR "rank"=1),
745 CONSTRAINT "eligible_at_first_rank_is_winner" CHECK ("eligible"=FALSE OR "rank"!=1 OR "winner"=TRUE),
746 CONSTRAINT "unique_rank_per_issue" UNIQUE ("issue_id", "rank") );
747 CREATE INDEX "initiative_created_idx" ON "initiative" ("created");
748 CREATE INDEX "initiative_revoked_idx" ON "initiative" ("revoked");
749 CREATE INDEX "initiative_text_search_data_idx" ON "initiative" USING gin ("text_search_data");
750 CREATE TRIGGER "update_text_search_data"
751 BEFORE INSERT OR UPDATE ON "initiative"
752 FOR EACH ROW EXECUTE PROCEDURE
753 tsvector_update_trigger('text_search_data', 'pg_catalog.simple', "name");
755 COMMENT ON TABLE "initiative" IS 'Group of members publishing drafts for resolutions to be passed; Frontends must ensure that initiatives of half_frozen issues are not revoked, and that initiatives of fully_frozen or closed issues are neither revoked nor created.';
757 COMMENT ON COLUMN "initiative"."polling" IS 'Initiative does not need to pass the initiative quorum (see "policy"."polling")';
758 COMMENT ON COLUMN "initiative"."revoked" IS 'Point in time, when one initiator decided to revoke the initiative';
759 COMMENT ON COLUMN "initiative"."revoked_by_member_id" IS 'Member, who decided to revoke the initiative';
760 COMMENT ON COLUMN "initiative"."external_reference" IS 'Opaque data field to store an external reference';
761 COMMENT ON COLUMN "initiative"."admitted" IS 'TRUE, if initiative reaches the "initiative_quorum" when freezing the issue';
762 COMMENT ON COLUMN "initiative"."supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';
763 COMMENT ON COLUMN "initiative"."informed_supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';
764 COMMENT ON COLUMN "initiative"."satisfied_supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';
765 COMMENT ON COLUMN "initiative"."satisfied_informed_supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';
766 COMMENT ON COLUMN "initiative"."harmonic_weight" IS 'Indicates the relevancy of the initiative, calculated from the potential supporters weighted with the harmonic series to avoid a large number of clones affecting other initiative''s sorting positions too much; shall be used as secondary sorting key after "admitted" as primary sorting key';
767 COMMENT ON COLUMN "initiative"."final_suggestion_order_calculated" IS 'Set to TRUE, when "proportional_order" of suggestions has been calculated the last time';
768 COMMENT ON COLUMN "initiative"."first_preference_votes" IS 'Number of direct and delegating voters who ranked this initiative as their first choice';
769 COMMENT ON COLUMN "initiative"."positive_votes" IS 'Number of direct and delegating voters who ranked this initiative better than the status quo';
770 COMMENT ON COLUMN "initiative"."negative_votes" IS 'Number of direct and delegating voters who ranked this initiative worse than the status quo';
771 COMMENT ON COLUMN "initiative"."direct_majority" IS 'TRUE, if "positive_votes"/("positive_votes"+"negative_votes") is strictly greater or greater-equal than "direct_majority_num"/"direct_majority_den", and "positive_votes" is greater-equal than "direct_majority_positive", and ("positive_votes"+abstentions) is greater-equal than "direct_majority_non_negative"';
772 COMMENT ON COLUMN "initiative"."indirect_majority" IS 'Same as "direct_majority", but also considering indirect beat paths';
773 COMMENT ON COLUMN "initiative"."schulze_rank" IS 'Schulze-Ranking';
774 COMMENT ON COLUMN "initiative"."better_than_status_quo" IS 'TRUE, if initiative has a schulze-ranking better than the status quo';
775 COMMENT ON COLUMN "initiative"."worse_than_status_quo" IS 'TRUE, if initiative has a schulze-ranking worse than the status quo (DEPRECATED, since schulze-ranking is unique per issue; use "better_than_status_quo"=FALSE)';
776 COMMENT ON COLUMN "initiative"."reverse_beat_path" IS 'TRUE, if there is a beat path (may include ties) from this initiative to the status quo; set to NULL if "policy"."defeat_strength" is set to ''simple''';
777 COMMENT ON COLUMN "initiative"."multistage_majority" IS 'TRUE, if either (a) this initiative has no better rank than the status quo, or (b) there exists a better ranked initiative X, which directly beats this initiative, and either more voters prefer X to this initiative than voters preferring X to the status quo or less voters prefer this initiative to X than voters preferring the status quo to X';
778 COMMENT ON COLUMN "initiative"."eligible" IS 'Initiative has a "direct_majority" and an "indirect_majority", is "better_than_status_quo" and depending on selected policy the initiative has no "reverse_beat_path" or "multistage_majority"';
779 COMMENT ON COLUMN "initiative"."winner" IS 'Winner is the "eligible" initiative with best "schulze_rank"';
780 COMMENT ON COLUMN "initiative"."rank" IS 'Unique ranking for all "admitted" initiatives per issue; lower rank is better; a winner always has rank 1, but rank 1 does not imply that an initiative is winner; initiatives with "direct_majority" AND "indirect_majority" always have a better (lower) rank than other initiatives';
783 CREATE TABLE "battle" (
784 "issue_id" INT4 NOT NULL,
785 "winning_initiative_id" INT4,
786 FOREIGN KEY ("issue_id", "winning_initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
787 "losing_initiative_id" INT4,
788 FOREIGN KEY ("issue_id", "losing_initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
789 "count" INT4 NOT NULL,
790 CONSTRAINT "initiative_ids_not_equal" CHECK (
791 "winning_initiative_id" != "losing_initiative_id" OR
792 ( ("winning_initiative_id" NOTNULL AND "losing_initiative_id" ISNULL) OR
793 ("winning_initiative_id" ISNULL AND "losing_initiative_id" NOTNULL) ) ) );
794 CREATE UNIQUE INDEX "battle_winning_losing_idx" ON "battle" ("issue_id", "winning_initiative_id", "losing_initiative_id");
795 CREATE UNIQUE INDEX "battle_winning_null_idx" ON "battle" ("issue_id", "winning_initiative_id") WHERE "losing_initiative_id" ISNULL;
796 CREATE UNIQUE INDEX "battle_null_losing_idx" ON "battle" ("issue_id", "losing_initiative_id") WHERE "winning_initiative_id" ISNULL;
798 COMMENT ON TABLE "battle" IS 'Number of members preferring one initiative to another; Filled by "battle_view" when closing an issue; NULL as initiative_id denotes virtual "status-quo" initiative';
801 CREATE TABLE "ignored_initiative" (
802 PRIMARY KEY ("member_id", "initiative_id"),
803 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
804 "initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
805 CREATE INDEX "ignored_initiative_initiative_id_idx" ON "ignored_initiative" ("initiative_id");
807 COMMENT ON TABLE "ignored_initiative" IS 'Possibility to filter initiatives';
810 CREATE TABLE "initiative_setting" (
811 PRIMARY KEY ("member_id", "key", "initiative_id"),
812 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
813 "key" TEXT NOT NULL,
814 "initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
815 "value" TEXT NOT NULL );
817 COMMENT ON TABLE "initiative_setting" IS 'Place for frontend to store initiative specific settings of members as strings';
820 CREATE TABLE "draft" (
821 UNIQUE ("initiative_id", "id"), -- index needed for foreign-key on table "supporter"
822 "initiative_id" INT4 NOT NULL REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
823 "id" SERIAL8 PRIMARY KEY,
824 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
825 "author_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
826 "formatting_engine" TEXT,
827 "content" TEXT NOT NULL,
828 "external_reference" TEXT,
829 "text_search_data" TSVECTOR );
830 CREATE INDEX "draft_created_idx" ON "draft" ("created");
831 CREATE INDEX "draft_author_id_created_idx" ON "draft" ("author_id", "created");
832 CREATE INDEX "draft_text_search_data_idx" ON "draft" USING gin ("text_search_data");
833 CREATE TRIGGER "update_text_search_data"
834 BEFORE INSERT OR UPDATE ON "draft"
835 FOR EACH ROW EXECUTE PROCEDURE
836 tsvector_update_trigger('text_search_data', 'pg_catalog.simple', "content");
838 COMMENT ON TABLE "draft" IS 'Drafts of initiatives to solve issues; Frontends must ensure that new drafts for initiatives of half_frozen, fully_frozen or closed issues can''t be created.';
840 COMMENT ON COLUMN "draft"."formatting_engine" IS 'Allows different formatting engines (i.e. wiki formats) to be used';
841 COMMENT ON COLUMN "draft"."content" IS 'Text of the draft in a format depending on the field "formatting_engine"';
842 COMMENT ON COLUMN "draft"."external_reference" IS 'Opaque data field to store an external reference';
845 CREATE TABLE "rendered_draft" (
846 PRIMARY KEY ("draft_id", "format"),
847 "draft_id" INT8 REFERENCES "draft" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
848 "format" TEXT,
849 "content" TEXT NOT NULL );
851 COMMENT ON TABLE "rendered_draft" IS 'This table may be used by frontends to cache "rendered" drafts (e.g. HTML output generated from wiki text)';
854 CREATE TABLE "suggestion" (
855 UNIQUE ("initiative_id", "id"), -- index needed for foreign-key on table "opinion"
856 "initiative_id" INT4 NOT NULL REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
857 "id" SERIAL8 PRIMARY KEY,
858 "draft_id" INT8 NOT NULL,
859 FOREIGN KEY ("initiative_id", "draft_id") REFERENCES "draft" ("initiative_id", "id") ON DELETE NO ACTION ON UPDATE CASCADE,
860 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
861 "author_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
862 "name" TEXT NOT NULL,
863 "formatting_engine" TEXT,
864 "content" TEXT NOT NULL DEFAULT '',
865 "external_reference" TEXT,
866 "text_search_data" TSVECTOR,
867 "minus2_unfulfilled_count" INT4,
868 "minus2_fulfilled_count" INT4,
869 "minus1_unfulfilled_count" INT4,
870 "minus1_fulfilled_count" INT4,
871 "plus1_unfulfilled_count" INT4,
872 "plus1_fulfilled_count" INT4,
873 "plus2_unfulfilled_count" INT4,
874 "plus2_fulfilled_count" INT4,
875 "proportional_order" INT4 );
876 CREATE INDEX "suggestion_created_idx" ON "suggestion" ("created");
877 CREATE INDEX "suggestion_author_id_created_idx" ON "suggestion" ("author_id", "created");
878 CREATE INDEX "suggestion_text_search_data_idx" ON "suggestion" USING gin ("text_search_data");
879 CREATE TRIGGER "update_text_search_data"
880 BEFORE INSERT OR UPDATE ON "suggestion"
881 FOR EACH ROW EXECUTE PROCEDURE
882 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',
883 "name", "content");
885 COMMENT ON TABLE "suggestion" IS 'Suggestions to initiators, to change the current draft; must not be deleted explicitly, as they vanish automatically if the last opinion is deleted';
887 COMMENT ON COLUMN "suggestion"."draft_id" IS 'Draft, which the author has seen when composing the suggestion; should always be set by a frontend, but defaults to current draft of the initiative (implemented by trigger "default_for_draft_id")';
888 COMMENT ON COLUMN "suggestion"."external_reference" IS 'Opaque data field to store an external reference';
889 COMMENT ON COLUMN "suggestion"."minus2_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
890 COMMENT ON COLUMN "suggestion"."minus2_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
891 COMMENT ON COLUMN "suggestion"."minus1_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
892 COMMENT ON COLUMN "suggestion"."minus1_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
893 COMMENT ON COLUMN "suggestion"."plus1_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
894 COMMENT ON COLUMN "suggestion"."plus1_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
895 COMMENT ON COLUMN "suggestion"."plus2_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
896 COMMENT ON COLUMN "suggestion"."plus2_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
897 COMMENT ON COLUMN "suggestion"."proportional_order" IS 'To be used for sorting suggestions within an initiative; NULL values sort last; updated by "lf_update_suggestion_order"';
900 CREATE TABLE "rendered_suggestion" (
901 PRIMARY KEY ("suggestion_id", "format"),
902 "suggestion_id" INT8 REFERENCES "suggestion" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
903 "format" TEXT,
904 "content" TEXT NOT NULL );
906 COMMENT ON TABLE "rendered_suggestion" IS 'This table may be used by frontends to cache "rendered" drafts (e.g. HTML output generated from wiki text)';
909 CREATE TABLE "suggestion_setting" (
910 PRIMARY KEY ("member_id", "key", "suggestion_id"),
911 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
912 "key" TEXT NOT NULL,
913 "suggestion_id" INT8 REFERENCES "suggestion" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
914 "value" TEXT NOT NULL );
916 COMMENT ON TABLE "suggestion_setting" IS 'Place for frontend to store suggestion specific settings of members as strings';
919 CREATE TABLE "privilege" (
920 PRIMARY KEY ("unit_id", "member_id"),
921 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
922 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
923 "admin_manager" BOOLEAN NOT NULL DEFAULT FALSE,
924 "unit_manager" BOOLEAN NOT NULL DEFAULT FALSE,
925 "area_manager" BOOLEAN NOT NULL DEFAULT FALSE,
926 "member_manager" BOOLEAN NOT NULL DEFAULT FALSE,
927 "initiative_right" BOOLEAN NOT NULL DEFAULT TRUE,
928 "voting_right" BOOLEAN NOT NULL DEFAULT TRUE,
929 "polling_right" BOOLEAN NOT NULL DEFAULT FALSE );
931 COMMENT ON TABLE "privilege" IS 'Members rights related to each unit';
933 COMMENT ON COLUMN "privilege"."admin_manager" IS 'Grant/revoke any privileges to/from other members';
934 COMMENT ON COLUMN "privilege"."unit_manager" IS 'Create and disable sub units';
935 COMMENT ON COLUMN "privilege"."area_manager" IS 'Create and disable areas and set area parameters';
936 COMMENT ON COLUMN "privilege"."member_manager" IS 'Adding/removing members from the unit, granting or revoking "initiative_right" and "voting_right"';
937 COMMENT ON COLUMN "privilege"."initiative_right" IS 'Right to create an initiative';
938 COMMENT ON COLUMN "privilege"."voting_right" IS 'Right to support initiatives, create and rate suggestions, and to vote';
939 COMMENT ON COLUMN "privilege"."polling_right" IS 'Right to create issues with policies having the "policy"."polling" flag set, and to add initiatives having the "initiative"."polling" flag set to those issues';
942 CREATE TABLE "membership" (
943 PRIMARY KEY ("area_id", "member_id"),
944 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
945 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
946 CREATE INDEX "membership_member_id_idx" ON "membership" ("member_id");
948 COMMENT ON TABLE "membership" IS 'Interest of members in topic areas';
951 CREATE TABLE "interest" (
952 PRIMARY KEY ("issue_id", "member_id"),
953 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
954 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
955 CREATE INDEX "interest_member_id_idx" ON "interest" ("member_id");
957 COMMENT ON TABLE "interest" IS 'Interest of members in a particular issue; Frontends must ensure that interest for fully_frozen or closed issues is not added or removed.';
960 CREATE TABLE "initiator" (
961 PRIMARY KEY ("initiative_id", "member_id"),
962 "initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
963 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
964 "accepted" BOOLEAN );
965 CREATE INDEX "initiator_member_id_idx" ON "initiator" ("member_id");
967 COMMENT ON TABLE "initiator" IS 'Members who are allowed to post new drafts; Frontends must ensure that initiators are not added or removed from half_frozen, fully_frozen or closed initiatives.';
969 COMMENT ON COLUMN "initiator"."accepted" IS 'If "accepted" is NULL, then the member was invited to be a co-initiator, but has not answered yet. If it is TRUE, the member has accepted the invitation, if it is FALSE, the member has rejected the invitation.';
972 CREATE TABLE "supporter" (
973 "issue_id" INT4 NOT NULL,
974 PRIMARY KEY ("initiative_id", "member_id"),
975 "initiative_id" INT4,
976 "member_id" INT4,
977 "draft_id" INT8 NOT NULL,
978 FOREIGN KEY ("issue_id", "member_id") REFERENCES "interest" ("issue_id", "member_id") ON DELETE CASCADE ON UPDATE CASCADE,
979 FOREIGN KEY ("initiative_id", "draft_id") REFERENCES "draft" ("initiative_id", "id") ON DELETE NO ACTION ON UPDATE CASCADE );
980 CREATE INDEX "supporter_member_id_idx" ON "supporter" ("member_id");
982 COMMENT ON TABLE "supporter" IS 'Members who support an initiative (conditionally); Frontends must ensure that supporters are not added or removed from fully_frozen or closed initiatives.';
984 COMMENT ON COLUMN "supporter"."issue_id" IS 'WARNING: No index: For selections use column "initiative_id" and join via table "initiative" where neccessary';
985 COMMENT ON COLUMN "supporter"."draft_id" IS 'Latest seen draft; should always be set by a frontend, but defaults to current draft of the initiative (implemented by trigger "default_for_draft_id")';
988 CREATE TABLE "opinion" (
989 "initiative_id" INT4 NOT NULL,
990 PRIMARY KEY ("suggestion_id", "member_id"),
991 "suggestion_id" INT8,
992 "member_id" INT4,
993 "degree" INT2 NOT NULL CHECK ("degree" >= -2 AND "degree" <= 2 AND "degree" != 0),
994 "fulfilled" BOOLEAN NOT NULL DEFAULT FALSE,
995 FOREIGN KEY ("initiative_id", "suggestion_id") REFERENCES "suggestion" ("initiative_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
996 FOREIGN KEY ("initiative_id", "member_id") REFERENCES "supporter" ("initiative_id", "member_id") ON DELETE CASCADE ON UPDATE CASCADE );
997 CREATE INDEX "opinion_member_id_initiative_id_idx" ON "opinion" ("member_id", "initiative_id");
999 COMMENT ON TABLE "opinion" IS 'Opinion on suggestions (criticism related to initiatives); Frontends must ensure that opinions are not created modified or deleted when related to fully_frozen or closed issues.';
1001 COMMENT ON COLUMN "opinion"."degree" IS '2 = fulfillment required for support; 1 = fulfillment desired; -1 = fulfillment unwanted; -2 = fulfillment cancels support';
1004 CREATE TYPE "delegation_scope" AS ENUM ('unit', 'area', 'issue');
1006 COMMENT ON TYPE "delegation_scope" IS 'Scope for delegations: ''unit'', ''area'', or ''issue'' (order is relevant)';
1009 CREATE TABLE "delegation" (
1010 "id" SERIAL8 PRIMARY KEY,
1011 "truster_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1012 "trustee_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1013 "scope" "delegation_scope" NOT NULL,
1014 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1015 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1016 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1017 CONSTRAINT "cant_delegate_to_yourself" CHECK ("truster_id" != "trustee_id"),
1018 CONSTRAINT "no_unit_delegation_to_null"
1019 CHECK ("trustee_id" NOTNULL OR "scope" != 'unit'),
1020 CONSTRAINT "area_id_and_issue_id_set_according_to_scope" CHECK (
1021 ("scope" = 'unit' AND "unit_id" NOTNULL AND "area_id" ISNULL AND "issue_id" ISNULL ) OR
1022 ("scope" = 'area' AND "unit_id" ISNULL AND "area_id" NOTNULL AND "issue_id" ISNULL ) OR
1023 ("scope" = 'issue' AND "unit_id" ISNULL AND "area_id" ISNULL AND "issue_id" NOTNULL) ),
1024 UNIQUE ("unit_id", "truster_id"),
1025 UNIQUE ("area_id", "truster_id"),
1026 UNIQUE ("issue_id", "truster_id") );
1027 CREATE INDEX "delegation_truster_id_idx" ON "delegation" ("truster_id");
1028 CREATE INDEX "delegation_trustee_id_idx" ON "delegation" ("trustee_id");
1030 COMMENT ON TABLE "delegation" IS 'Delegation of vote-weight to other members';
1032 COMMENT ON COLUMN "delegation"."unit_id" IS 'Reference to unit, if delegation is unit-wide, otherwise NULL';
1033 COMMENT ON COLUMN "delegation"."area_id" IS 'Reference to area, if delegation is area-wide, otherwise NULL';
1034 COMMENT ON COLUMN "delegation"."issue_id" IS 'Reference to issue, if delegation is issue-wide, otherwise NULL';
1037 CREATE TABLE "direct_population_snapshot" (
1038 PRIMARY KEY ("issue_id", "event", "member_id"),
1039 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1040 "event" "snapshot_event",
1041 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1042 "weight" INT4 );
1043 CREATE INDEX "direct_population_snapshot_member_id_idx" ON "direct_population_snapshot" ("member_id");
1045 COMMENT ON TABLE "direct_population_snapshot" IS 'Snapshot of active members having either a "membership" in the "area" or an "interest" in the "issue"; for corrections refer to column "issue_notice" of "issue" table';
1047 COMMENT ON COLUMN "direct_population_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1048 COMMENT ON COLUMN "direct_population_snapshot"."weight" IS 'Weight of member (1 or higher) according to "delegating_population_snapshot"';
1051 CREATE TABLE "delegating_population_snapshot" (
1052 PRIMARY KEY ("issue_id", "event", "member_id"),
1053 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1054 "event" "snapshot_event",
1055 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1056 "weight" INT4,
1057 "scope" "delegation_scope" NOT NULL,
1058 "delegate_member_ids" INT4[] NOT NULL );
1059 CREATE INDEX "delegating_population_snapshot_member_id_idx" ON "delegating_population_snapshot" ("member_id");
1061 COMMENT ON TABLE "direct_population_snapshot" IS 'Delegations increasing the weight of entries in the "direct_population_snapshot" table; for corrections refer to column "issue_notice" of "issue" table';
1063 COMMENT ON COLUMN "delegating_population_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1064 COMMENT ON COLUMN "delegating_population_snapshot"."member_id" IS 'Delegating member';
1065 COMMENT ON COLUMN "delegating_population_snapshot"."weight" IS 'Intermediate weight';
1066 COMMENT ON COLUMN "delegating_population_snapshot"."delegate_member_ids" IS 'Chain of members who act as delegates; last entry referes to "member_id" column of table "direct_population_snapshot"';
1069 CREATE TABLE "direct_interest_snapshot" (
1070 PRIMARY KEY ("issue_id", "event", "member_id"),
1071 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1072 "event" "snapshot_event",
1073 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1074 "weight" INT4 );
1075 CREATE INDEX "direct_interest_snapshot_member_id_idx" ON "direct_interest_snapshot" ("member_id");
1077 COMMENT ON TABLE "direct_interest_snapshot" IS 'Snapshot of active members having an "interest" in the "issue"; for corrections refer to column "issue_notice" of "issue" table';
1079 COMMENT ON COLUMN "direct_interest_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1080 COMMENT ON COLUMN "direct_interest_snapshot"."weight" IS 'Weight of member (1 or higher) according to "delegating_interest_snapshot"';
1083 CREATE TABLE "delegating_interest_snapshot" (
1084 PRIMARY KEY ("issue_id", "event", "member_id"),
1085 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1086 "event" "snapshot_event",
1087 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1088 "weight" INT4,
1089 "scope" "delegation_scope" NOT NULL,
1090 "delegate_member_ids" INT4[] NOT NULL );
1091 CREATE INDEX "delegating_interest_snapshot_member_id_idx" ON "delegating_interest_snapshot" ("member_id");
1093 COMMENT ON TABLE "delegating_interest_snapshot" IS 'Delegations increasing the weight of entries in the "direct_interest_snapshot" table; for corrections refer to column "issue_notice" of "issue" table';
1095 COMMENT ON COLUMN "delegating_interest_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1096 COMMENT ON COLUMN "delegating_interest_snapshot"."member_id" IS 'Delegating member';
1097 COMMENT ON COLUMN "delegating_interest_snapshot"."weight" IS 'Intermediate weight';
1098 COMMENT ON COLUMN "delegating_interest_snapshot"."delegate_member_ids" IS 'Chain of members who act as delegates; last entry referes to "member_id" column of table "direct_interest_snapshot"';
1101 CREATE TABLE "direct_supporter_snapshot" (
1102 "issue_id" INT4 NOT NULL,
1103 PRIMARY KEY ("initiative_id", "event", "member_id"),
1104 "initiative_id" INT4,
1105 "event" "snapshot_event",
1106 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1107 "draft_id" INT8 NOT NULL,
1108 "informed" BOOLEAN NOT NULL,
1109 "satisfied" BOOLEAN NOT NULL,
1110 FOREIGN KEY ("issue_id", "initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
1111 FOREIGN KEY ("initiative_id", "draft_id") REFERENCES "draft" ("initiative_id", "id") ON DELETE NO ACTION ON UPDATE CASCADE,
1112 FOREIGN KEY ("issue_id", "event", "member_id") REFERENCES "direct_interest_snapshot" ("issue_id", "event", "member_id") ON DELETE CASCADE ON UPDATE CASCADE );
1113 CREATE INDEX "direct_supporter_snapshot_member_id_idx" ON "direct_supporter_snapshot" ("member_id");
1115 COMMENT ON TABLE "direct_supporter_snapshot" IS 'Snapshot of supporters of initiatives (weight is stored in "direct_interest_snapshot"); for corrections refer to column "issue_notice" of "issue" table';
1117 COMMENT ON COLUMN "direct_supporter_snapshot"."issue_id" IS 'WARNING: No index: For selections use column "initiative_id" and join via table "initiative" where neccessary';
1118 COMMENT ON COLUMN "direct_supporter_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1119 COMMENT ON COLUMN "direct_supporter_snapshot"."informed" IS 'Supporter has seen the latest draft of the initiative';
1120 COMMENT ON COLUMN "direct_supporter_snapshot"."satisfied" IS 'Supporter has no "critical_opinion"s';
1123 CREATE TABLE "non_voter" (
1124 PRIMARY KEY ("issue_id", "member_id"),
1125 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1126 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
1127 CREATE INDEX "non_voter_member_id_idx" ON "non_voter" ("member_id");
1129 COMMENT ON TABLE "non_voter" IS 'Members who decided to not vote directly on an issue';
1132 CREATE TABLE "direct_voter" (
1133 PRIMARY KEY ("issue_id", "member_id"),
1134 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1135 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1136 "weight" INT4,
1137 "comment_changed" TIMESTAMPTZ,
1138 "formatting_engine" TEXT,
1139 "comment" TEXT,
1140 "text_search_data" TSVECTOR );
1141 CREATE INDEX "direct_voter_member_id_idx" ON "direct_voter" ("member_id");
1142 CREATE INDEX "direct_voter_text_search_data_idx" ON "direct_voter" USING gin ("text_search_data");
1143 CREATE TRIGGER "update_text_search_data"
1144 BEFORE INSERT OR UPDATE ON "direct_voter"
1145 FOR EACH ROW EXECUTE PROCEDURE
1146 tsvector_update_trigger('text_search_data', 'pg_catalog.simple', "comment");
1148 COMMENT ON TABLE "direct_voter" IS 'Members having directly voted for/against initiatives of an issue; frontends must ensure that no voters are added or removed to/from this table when the issue has been closed; for corrections refer to column "issue_notice" of "issue" table';
1150 COMMENT ON COLUMN "direct_voter"."weight" IS 'Weight of member (1 or higher) according to "delegating_voter" table';
1151 COMMENT ON COLUMN "direct_voter"."comment_changed" IS 'Shall be set on comment change, to indicate a comment being modified after voting has been finished; Automatically set to NULL after voting phase; Automatically set to NULL by trigger, if "comment" is set to NULL';
1152 COMMENT ON COLUMN "direct_voter"."formatting_engine" IS 'Allows different formatting engines (i.e. wiki formats) to be used for "direct_voter"."comment"; Automatically set to NULL by trigger, if "comment" is set to NULL';
1153 COMMENT ON COLUMN "direct_voter"."comment" IS 'Is to be set or updated by the frontend, if comment was inserted or updated AFTER the issue has been closed. Otherwise it shall be set to NULL.';
1156 CREATE TABLE "rendered_voter_comment" (
1157 PRIMARY KEY ("issue_id", "member_id", "format"),
1158 FOREIGN KEY ("issue_id", "member_id")
1159 REFERENCES "direct_voter" ("issue_id", "member_id")
1160 ON DELETE CASCADE ON UPDATE CASCADE,
1161 "issue_id" INT4,
1162 "member_id" INT4,
1163 "format" TEXT,
1164 "content" TEXT NOT NULL );
1166 COMMENT ON TABLE "rendered_voter_comment" IS 'This table may be used by frontends to cache "rendered" voter comments (e.g. HTML output generated from wiki text)';
1169 CREATE TABLE "delegating_voter" (
1170 PRIMARY KEY ("issue_id", "member_id"),
1171 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1172 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1173 "weight" INT4,
1174 "scope" "delegation_scope" NOT NULL,
1175 "delegate_member_ids" INT4[] NOT NULL );
1176 CREATE INDEX "delegating_voter_member_id_idx" ON "delegating_voter" ("member_id");
1178 COMMENT ON TABLE "delegating_voter" IS 'Delegations increasing the weight of entries in the "direct_voter" table; for corrections refer to column "issue_notice" of "issue" table';
1180 COMMENT ON COLUMN "delegating_voter"."member_id" IS 'Delegating member';
1181 COMMENT ON COLUMN "delegating_voter"."weight" IS 'Intermediate weight';
1182 COMMENT ON COLUMN "delegating_voter"."delegate_member_ids" IS 'Chain of members who act as delegates; last entry referes to "member_id" column of table "direct_voter"';
1185 CREATE TABLE "vote" (
1186 "issue_id" INT4 NOT NULL,
1187 PRIMARY KEY ("initiative_id", "member_id"),
1188 "initiative_id" INT4,
1189 "member_id" INT4,
1190 "grade" INT4 NOT NULL,
1191 "first_preference" BOOLEAN,
1192 FOREIGN KEY ("issue_id", "initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
1193 FOREIGN KEY ("issue_id", "member_id") REFERENCES "direct_voter" ("issue_id", "member_id") ON DELETE CASCADE ON UPDATE CASCADE,
1194 CONSTRAINT "first_preference_flag_only_set_on_positive_grades"
1195 CHECK ("grade" > 0 OR "first_preference" ISNULL) );
1196 CREATE INDEX "vote_member_id_idx" ON "vote" ("member_id");
1198 COMMENT ON TABLE "vote" IS 'Manual and delegated votes without abstentions; frontends must ensure that no votes are added modified or removed when the issue has been closed; for corrections refer to column "issue_notice" of "issue" table';
1200 COMMENT ON COLUMN "vote"."issue_id" IS 'WARNING: No index: For selections use column "initiative_id" and join via table "initiative" where neccessary';
1201 COMMENT ON COLUMN "vote"."grade" IS 'Values smaller than zero mean reject, values greater than zero mean acceptance, zero or missing row means abstention. Preferences are expressed by different positive or negative numbers.';
1202 COMMENT ON COLUMN "vote"."first_preference" IS 'Value is automatically set after voting is finished. For positive grades, this value is set to true for the highest (i.e. best) grade.';
1205 CREATE TYPE "event_type" AS ENUM (
1206 'issue_state_changed',
1207 'initiative_created_in_new_issue',
1208 'initiative_created_in_existing_issue',
1209 'initiative_revoked',
1210 'new_draft_created',
1211 'suggestion_created');
1213 COMMENT ON TYPE "event_type" IS 'Type used for column "event" of table "event"';
1216 CREATE TABLE "event" (
1217 "id" SERIAL8 PRIMARY KEY,
1218 "occurrence" TIMESTAMPTZ NOT NULL DEFAULT now(),
1219 "event" "event_type" NOT NULL,
1220 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
1221 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1222 "state" "issue_state",
1223 "initiative_id" INT4,
1224 "draft_id" INT8,
1225 "suggestion_id" INT8,
1226 FOREIGN KEY ("issue_id", "initiative_id")
1227 REFERENCES "initiative" ("issue_id", "id")
1228 ON DELETE CASCADE ON UPDATE CASCADE,
1229 FOREIGN KEY ("initiative_id", "draft_id")
1230 REFERENCES "draft" ("initiative_id", "id")
1231 ON DELETE CASCADE ON UPDATE CASCADE,
1232 FOREIGN KEY ("initiative_id", "suggestion_id")
1233 REFERENCES "suggestion" ("initiative_id", "id")
1234 ON DELETE CASCADE ON UPDATE CASCADE,
1235 CONSTRAINT "null_constr_for_issue_state_changed" CHECK (
1236 "event" != 'issue_state_changed' OR (
1237 "member_id" ISNULL AND
1238 "issue_id" NOTNULL AND
1239 "state" NOTNULL AND
1240 "initiative_id" ISNULL AND
1241 "draft_id" ISNULL AND
1242 "suggestion_id" ISNULL )),
1243 CONSTRAINT "null_constr_for_initiative_creation_or_revocation_or_new_draft" CHECK (
1244 "event" NOT IN (
1245 'initiative_created_in_new_issue',
1246 'initiative_created_in_existing_issue',
1247 'initiative_revoked',
1248 'new_draft_created'
1249 ) OR (
1250 "member_id" NOTNULL AND
1251 "issue_id" NOTNULL AND
1252 "state" NOTNULL AND
1253 "initiative_id" NOTNULL AND
1254 "draft_id" NOTNULL AND
1255 "suggestion_id" ISNULL )),
1256 CONSTRAINT "null_constr_for_suggestion_creation" CHECK (
1257 "event" != 'suggestion_created' OR (
1258 "member_id" NOTNULL AND
1259 "issue_id" NOTNULL AND
1260 "state" NOTNULL AND
1261 "initiative_id" NOTNULL AND
1262 "draft_id" ISNULL AND
1263 "suggestion_id" NOTNULL )) );
1264 CREATE INDEX "event_occurrence_idx" ON "event" ("occurrence");
1266 COMMENT ON TABLE "event" IS 'Event table, automatically filled by triggers';
1268 COMMENT ON COLUMN "event"."occurrence" IS 'Point in time, when event occurred';
1269 COMMENT ON COLUMN "event"."event" IS 'Type of event (see TYPE "event_type")';
1270 COMMENT ON COLUMN "event"."member_id" IS 'Member who caused the event, if applicable';
1271 COMMENT ON COLUMN "event"."state" IS 'If issue_id is set: state of affected issue; If state changed: new state';
1274 CREATE TABLE "notification_sent" (
1275 "event_id" INT8 NOT NULL );
1276 CREATE UNIQUE INDEX "notification_sent_singleton_idx" ON "notification_sent" ((1));
1278 COMMENT ON TABLE "notification_sent" IS 'This table stores one row with the last event_id, for which notifications have been sent out';
1279 COMMENT ON INDEX "notification_sent_singleton_idx" IS 'This index ensures that "notification_sent" only contains one row maximum.';
1283 ----------------------------------------------
1284 -- Writing of history entries and event log --
1285 ----------------------------------------------
1288 CREATE FUNCTION "write_member_history_trigger"()
1289 RETURNS TRIGGER
1290 LANGUAGE 'plpgsql' VOLATILE AS $$
1291 BEGIN
1292 IF
1293 ( NEW."active" != OLD."active" OR
1294 NEW."name" != OLD."name" ) AND
1295 OLD."activated" NOTNULL
1296 THEN
1297 INSERT INTO "member_history"
1298 ("member_id", "active", "name")
1299 VALUES (NEW."id", OLD."active", OLD."name");
1300 END IF;
1301 RETURN NULL;
1302 END;
1303 $$;
1305 CREATE TRIGGER "write_member_history"
1306 AFTER UPDATE ON "member" FOR EACH ROW EXECUTE PROCEDURE
1307 "write_member_history_trigger"();
1309 COMMENT ON FUNCTION "write_member_history_trigger"() IS 'Implementation of trigger "write_member_history" on table "member"';
1310 COMMENT ON TRIGGER "write_member_history" ON "member" IS 'When changing certain fields of a member, create a history entry in "member_history" table';
1313 CREATE FUNCTION "write_event_issue_state_changed_trigger"()
1314 RETURNS TRIGGER
1315 LANGUAGE 'plpgsql' VOLATILE AS $$
1316 BEGIN
1317 IF NEW."state" != OLD."state" THEN
1318 INSERT INTO "event" ("event", "issue_id", "state")
1319 VALUES ('issue_state_changed', NEW."id", NEW."state");
1320 END IF;
1321 RETURN NULL;
1322 END;
1323 $$;
1325 CREATE TRIGGER "write_event_issue_state_changed"
1326 AFTER UPDATE ON "issue" FOR EACH ROW EXECUTE PROCEDURE
1327 "write_event_issue_state_changed_trigger"();
1329 COMMENT ON FUNCTION "write_event_issue_state_changed_trigger"() IS 'Implementation of trigger "write_event_issue_state_changed" on table "issue"';
1330 COMMENT ON TRIGGER "write_event_issue_state_changed" ON "issue" IS 'Create entry in "event" table on "state" change';
1333 CREATE FUNCTION "write_event_initiative_or_draft_created_trigger"()
1334 RETURNS TRIGGER
1335 LANGUAGE 'plpgsql' VOLATILE AS $$
1336 DECLARE
1337 "initiative_row" "initiative"%ROWTYPE;
1338 "issue_row" "issue"%ROWTYPE;
1339 "event_v" "event_type";
1340 BEGIN
1341 SELECT * INTO "initiative_row" FROM "initiative"
1342 WHERE "id" = NEW."initiative_id";
1343 SELECT * INTO "issue_row" FROM "issue"
1344 WHERE "id" = "initiative_row"."issue_id";
1345 IF EXISTS (
1346 SELECT NULL FROM "draft"
1347 WHERE "initiative_id" = NEW."initiative_id"
1348 AND "id" != NEW."id"
1349 ) THEN
1350 "event_v" := 'new_draft_created';
1351 ELSE
1352 IF EXISTS (
1353 SELECT NULL FROM "initiative"
1354 WHERE "issue_id" = "initiative_row"."issue_id"
1355 AND "id" != "initiative_row"."id"
1356 ) THEN
1357 "event_v" := 'initiative_created_in_existing_issue';
1358 ELSE
1359 "event_v" := 'initiative_created_in_new_issue';
1360 END IF;
1361 END IF;
1362 INSERT INTO "event" (
1363 "event", "member_id",
1364 "issue_id", "state", "initiative_id", "draft_id"
1365 ) VALUES (
1366 "event_v",
1367 NEW."author_id",
1368 "initiative_row"."issue_id",
1369 "issue_row"."state",
1370 "initiative_row"."id",
1371 NEW."id" );
1372 RETURN NULL;
1373 END;
1374 $$;
1376 CREATE TRIGGER "write_event_initiative_or_draft_created"
1377 AFTER INSERT ON "draft" FOR EACH ROW EXECUTE PROCEDURE
1378 "write_event_initiative_or_draft_created_trigger"();
1380 COMMENT ON FUNCTION "write_event_initiative_or_draft_created_trigger"() IS 'Implementation of trigger "write_event_initiative_or_draft_created" on table "issue"';
1381 COMMENT ON TRIGGER "write_event_initiative_or_draft_created" ON "draft" IS 'Create entry in "event" table on draft creation';
1384 CREATE FUNCTION "write_event_initiative_revoked_trigger"()
1385 RETURNS TRIGGER
1386 LANGUAGE 'plpgsql' VOLATILE AS $$
1387 DECLARE
1388 "issue_row" "issue"%ROWTYPE;
1389 "draft_id_v" "draft"."id"%TYPE;
1390 BEGIN
1391 IF OLD."revoked" ISNULL AND NEW."revoked" NOTNULL THEN
1392 SELECT * INTO "issue_row" FROM "issue"
1393 WHERE "id" = NEW."issue_id";
1394 SELECT "id" INTO "draft_id_v" FROM "current_draft"
1395 WHERE "initiative_id" = NEW."id";
1396 INSERT INTO "event" (
1397 "event", "member_id", "issue_id", "state", "initiative_id", "draft_id"
1398 ) VALUES (
1399 'initiative_revoked',
1400 NEW."revoked_by_member_id",
1401 NEW."issue_id",
1402 "issue_row"."state",
1403 NEW."id",
1404 "draft_id_v");
1405 END IF;
1406 RETURN NULL;
1407 END;
1408 $$;
1410 CREATE TRIGGER "write_event_initiative_revoked"
1411 AFTER UPDATE ON "initiative" FOR EACH ROW EXECUTE PROCEDURE
1412 "write_event_initiative_revoked_trigger"();
1414 COMMENT ON FUNCTION "write_event_initiative_revoked_trigger"() IS 'Implementation of trigger "write_event_initiative_revoked" on table "issue"';
1415 COMMENT ON TRIGGER "write_event_initiative_revoked" ON "initiative" IS 'Create entry in "event" table, when an initiative is revoked';
1418 CREATE FUNCTION "write_event_suggestion_created_trigger"()
1419 RETURNS TRIGGER
1420 LANGUAGE 'plpgsql' VOLATILE AS $$
1421 DECLARE
1422 "initiative_row" "initiative"%ROWTYPE;
1423 "issue_row" "issue"%ROWTYPE;
1424 BEGIN
1425 SELECT * INTO "initiative_row" FROM "initiative"
1426 WHERE "id" = NEW."initiative_id";
1427 SELECT * INTO "issue_row" FROM "issue"
1428 WHERE "id" = "initiative_row"."issue_id";
1429 INSERT INTO "event" (
1430 "event", "member_id",
1431 "issue_id", "state", "initiative_id", "suggestion_id"
1432 ) VALUES (
1433 'suggestion_created',
1434 NEW."author_id",
1435 "initiative_row"."issue_id",
1436 "issue_row"."state",
1437 "initiative_row"."id",
1438 NEW."id" );
1439 RETURN NULL;
1440 END;
1441 $$;
1443 CREATE TRIGGER "write_event_suggestion_created"
1444 AFTER INSERT ON "suggestion" FOR EACH ROW EXECUTE PROCEDURE
1445 "write_event_suggestion_created_trigger"();
1447 COMMENT ON FUNCTION "write_event_suggestion_created_trigger"() IS 'Implementation of trigger "write_event_suggestion_created" on table "issue"';
1448 COMMENT ON TRIGGER "write_event_suggestion_created" ON "suggestion" IS 'Create entry in "event" table on suggestion creation';
1452 ----------------------------
1453 -- Additional constraints --
1454 ----------------------------
1457 CREATE FUNCTION "issue_requires_first_initiative_trigger"()
1458 RETURNS TRIGGER
1459 LANGUAGE 'plpgsql' VOLATILE AS $$
1460 BEGIN
1461 IF NOT EXISTS (
1462 SELECT NULL FROM "initiative" WHERE "issue_id" = NEW."id"
1463 ) THEN
1464 RAISE EXCEPTION 'Cannot create issue without an initial initiative.' USING
1465 ERRCODE = 'integrity_constraint_violation',
1466 HINT = 'Create issue, initiative, and draft within the same transaction.';
1467 END IF;
1468 RETURN NULL;
1469 END;
1470 $$;
1472 CREATE CONSTRAINT TRIGGER "issue_requires_first_initiative"
1473 AFTER INSERT OR UPDATE ON "issue" DEFERRABLE INITIALLY DEFERRED
1474 FOR EACH ROW EXECUTE PROCEDURE
1475 "issue_requires_first_initiative_trigger"();
1477 COMMENT ON FUNCTION "issue_requires_first_initiative_trigger"() IS 'Implementation of trigger "issue_requires_first_initiative" on table "issue"';
1478 COMMENT ON TRIGGER "issue_requires_first_initiative" ON "issue" IS 'Ensure that new issues have at least one initiative';
1481 CREATE FUNCTION "last_initiative_deletes_issue_trigger"()
1482 RETURNS TRIGGER
1483 LANGUAGE 'plpgsql' VOLATILE AS $$
1484 DECLARE
1485 "reference_lost" BOOLEAN;
1486 BEGIN
1487 IF TG_OP = 'DELETE' THEN
1488 "reference_lost" := TRUE;
1489 ELSE
1490 "reference_lost" := NEW."issue_id" != OLD."issue_id";
1491 END IF;
1492 IF
1493 "reference_lost" AND NOT EXISTS (
1494 SELECT NULL FROM "initiative" WHERE "issue_id" = OLD."issue_id"
1495 )
1496 THEN
1497 DELETE FROM "issue" WHERE "id" = OLD."issue_id";
1498 END IF;
1499 RETURN NULL;
1500 END;
1501 $$;
1503 CREATE CONSTRAINT TRIGGER "last_initiative_deletes_issue"
1504 AFTER UPDATE OR DELETE ON "initiative" DEFERRABLE INITIALLY DEFERRED
1505 FOR EACH ROW EXECUTE PROCEDURE
1506 "last_initiative_deletes_issue_trigger"();
1508 COMMENT ON FUNCTION "last_initiative_deletes_issue_trigger"() IS 'Implementation of trigger "last_initiative_deletes_issue" on table "initiative"';
1509 COMMENT ON TRIGGER "last_initiative_deletes_issue" ON "initiative" IS 'Removing the last initiative of an issue deletes the issue';
1512 CREATE FUNCTION "initiative_requires_first_draft_trigger"()
1513 RETURNS TRIGGER
1514 LANGUAGE 'plpgsql' VOLATILE AS $$
1515 BEGIN
1516 IF NOT EXISTS (
1517 SELECT NULL FROM "draft" WHERE "initiative_id" = NEW."id"
1518 ) THEN
1519 RAISE EXCEPTION 'Cannot create initiative without an initial draft.' USING
1520 ERRCODE = 'integrity_constraint_violation',
1521 HINT = 'Create issue, initiative and draft within the same transaction.';
1522 END IF;
1523 RETURN NULL;
1524 END;
1525 $$;
1527 CREATE CONSTRAINT TRIGGER "initiative_requires_first_draft"
1528 AFTER INSERT OR UPDATE ON "initiative" DEFERRABLE INITIALLY DEFERRED
1529 FOR EACH ROW EXECUTE PROCEDURE
1530 "initiative_requires_first_draft_trigger"();
1532 COMMENT ON FUNCTION "initiative_requires_first_draft_trigger"() IS 'Implementation of trigger "initiative_requires_first_draft" on table "initiative"';
1533 COMMENT ON TRIGGER "initiative_requires_first_draft" ON "initiative" IS 'Ensure that new initiatives have at least one draft';
1536 CREATE FUNCTION "last_draft_deletes_initiative_trigger"()
1537 RETURNS TRIGGER
1538 LANGUAGE 'plpgsql' VOLATILE AS $$
1539 DECLARE
1540 "reference_lost" BOOLEAN;
1541 BEGIN
1542 IF TG_OP = 'DELETE' THEN
1543 "reference_lost" := TRUE;
1544 ELSE
1545 "reference_lost" := NEW."initiative_id" != OLD."initiative_id";
1546 END IF;
1547 IF
1548 "reference_lost" AND NOT EXISTS (
1549 SELECT NULL FROM "draft" WHERE "initiative_id" = OLD."initiative_id"
1550 )
1551 THEN
1552 DELETE FROM "initiative" WHERE "id" = OLD."initiative_id";
1553 END IF;
1554 RETURN NULL;
1555 END;
1556 $$;
1558 CREATE CONSTRAINT TRIGGER "last_draft_deletes_initiative"
1559 AFTER UPDATE OR DELETE ON "draft" DEFERRABLE INITIALLY DEFERRED
1560 FOR EACH ROW EXECUTE PROCEDURE
1561 "last_draft_deletes_initiative_trigger"();
1563 COMMENT ON FUNCTION "last_draft_deletes_initiative_trigger"() IS 'Implementation of trigger "last_draft_deletes_initiative" on table "draft"';
1564 COMMENT ON TRIGGER "last_draft_deletes_initiative" ON "draft" IS 'Removing the last draft of an initiative deletes the initiative';
1567 CREATE FUNCTION "suggestion_requires_first_opinion_trigger"()
1568 RETURNS TRIGGER
1569 LANGUAGE 'plpgsql' VOLATILE AS $$
1570 BEGIN
1571 IF NOT EXISTS (
1572 SELECT NULL FROM "opinion" WHERE "suggestion_id" = NEW."id"
1573 ) THEN
1574 RAISE EXCEPTION 'Cannot create a suggestion without an opinion.' USING
1575 ERRCODE = 'integrity_constraint_violation',
1576 HINT = 'Create suggestion and opinion within the same transaction.';
1577 END IF;
1578 RETURN NULL;
1579 END;
1580 $$;
1582 CREATE CONSTRAINT TRIGGER "suggestion_requires_first_opinion"
1583 AFTER INSERT OR UPDATE ON "suggestion" DEFERRABLE INITIALLY DEFERRED
1584 FOR EACH ROW EXECUTE PROCEDURE
1585 "suggestion_requires_first_opinion_trigger"();
1587 COMMENT ON FUNCTION "suggestion_requires_first_opinion_trigger"() IS 'Implementation of trigger "suggestion_requires_first_opinion" on table "suggestion"';
1588 COMMENT ON TRIGGER "suggestion_requires_first_opinion" ON "suggestion" IS 'Ensure that new suggestions have at least one opinion';
1591 CREATE FUNCTION "last_opinion_deletes_suggestion_trigger"()
1592 RETURNS TRIGGER
1593 LANGUAGE 'plpgsql' VOLATILE AS $$
1594 DECLARE
1595 "reference_lost" BOOLEAN;
1596 BEGIN
1597 IF TG_OP = 'DELETE' THEN
1598 "reference_lost" := TRUE;
1599 ELSE
1600 "reference_lost" := NEW."suggestion_id" != OLD."suggestion_id";
1601 END IF;
1602 IF
1603 "reference_lost" AND NOT EXISTS (
1604 SELECT NULL FROM "opinion" WHERE "suggestion_id" = OLD."suggestion_id"
1605 )
1606 THEN
1607 DELETE FROM "suggestion" WHERE "id" = OLD."suggestion_id";
1608 END IF;
1609 RETURN NULL;
1610 END;
1611 $$;
1613 CREATE CONSTRAINT TRIGGER "last_opinion_deletes_suggestion"
1614 AFTER UPDATE OR DELETE ON "opinion" DEFERRABLE INITIALLY DEFERRED
1615 FOR EACH ROW EXECUTE PROCEDURE
1616 "last_opinion_deletes_suggestion_trigger"();
1618 COMMENT ON FUNCTION "last_opinion_deletes_suggestion_trigger"() IS 'Implementation of trigger "last_opinion_deletes_suggestion" on table "opinion"';
1619 COMMENT ON TRIGGER "last_opinion_deletes_suggestion" ON "opinion" IS 'Removing the last opinion of a suggestion deletes the suggestion';
1622 CREATE FUNCTION "non_voter_deletes_direct_voter_trigger"()
1623 RETURNS TRIGGER
1624 LANGUAGE 'plpgsql' VOLATILE AS $$
1625 BEGIN
1626 DELETE FROM "direct_voter"
1627 WHERE "issue_id" = NEW."issue_id" AND "member_id" = NEW."member_id";
1628 RETURN NULL;
1629 END;
1630 $$;
1632 CREATE TRIGGER "non_voter_deletes_direct_voter"
1633 AFTER INSERT OR UPDATE ON "non_voter"
1634 FOR EACH ROW EXECUTE PROCEDURE
1635 "non_voter_deletes_direct_voter_trigger"();
1637 COMMENT ON FUNCTION "non_voter_deletes_direct_voter_trigger"() IS 'Implementation of trigger "non_voter_deletes_direct_voter" on table "non_voter"';
1638 COMMENT ON TRIGGER "non_voter_deletes_direct_voter" ON "non_voter" IS 'An entry in the "non_voter" table deletes an entry in the "direct_voter" table (and vice versa due to trigger "direct_voter_deletes_non_voter" on table "direct_voter")';
1641 CREATE FUNCTION "direct_voter_deletes_non_voter_trigger"()
1642 RETURNS TRIGGER
1643 LANGUAGE 'plpgsql' VOLATILE AS $$
1644 BEGIN
1645 DELETE FROM "non_voter"
1646 WHERE "issue_id" = NEW."issue_id" AND "member_id" = NEW."member_id";
1647 RETURN NULL;
1648 END;
1649 $$;
1651 CREATE TRIGGER "direct_voter_deletes_non_voter"
1652 AFTER INSERT OR UPDATE ON "direct_voter"
1653 FOR EACH ROW EXECUTE PROCEDURE
1654 "direct_voter_deletes_non_voter_trigger"();
1656 COMMENT ON FUNCTION "direct_voter_deletes_non_voter_trigger"() IS 'Implementation of trigger "direct_voter_deletes_non_voter" on table "direct_voter"';
1657 COMMENT ON TRIGGER "direct_voter_deletes_non_voter" ON "direct_voter" IS 'An entry in the "direct_voter" table deletes an entry in the "non_voter" table (and vice versa due to trigger "non_voter_deletes_direct_voter" on table "non_voter")';
1660 CREATE FUNCTION "voter_comment_fields_only_set_when_voter_comment_is_set_trigger"()
1661 RETURNS TRIGGER
1662 LANGUAGE 'plpgsql' VOLATILE AS $$
1663 BEGIN
1664 IF NEW."comment" ISNULL THEN
1665 NEW."comment_changed" := NULL;
1666 NEW."formatting_engine" := NULL;
1667 END IF;
1668 RETURN NEW;
1669 END;
1670 $$;
1672 CREATE TRIGGER "voter_comment_fields_only_set_when_voter_comment_is_set"
1673 BEFORE INSERT OR UPDATE ON "direct_voter"
1674 FOR EACH ROW EXECUTE PROCEDURE
1675 "voter_comment_fields_only_set_when_voter_comment_is_set_trigger"();
1677 COMMENT ON FUNCTION "voter_comment_fields_only_set_when_voter_comment_is_set_trigger"() IS 'Implementation of trigger "voter_comment_fields_only_set_when_voter_comment_is_set" ON table "direct_voter"';
1678 COMMENT ON TRIGGER "voter_comment_fields_only_set_when_voter_comment_is_set" ON "direct_voter" IS 'If "comment" is set to NULL, then other comment related fields are also set to NULL.';
1681 ---------------------------------------------------------------
1682 -- Ensure that votes are not modified when issues are closed --
1683 ---------------------------------------------------------------
1685 -- NOTE: Frontends should ensure this anyway, but in case of programming
1686 -- errors the following triggers ensure data integrity.
1689 CREATE FUNCTION "forbid_changes_on_closed_issue_trigger"()
1690 RETURNS TRIGGER
1691 LANGUAGE 'plpgsql' VOLATILE AS $$
1692 DECLARE
1693 "issue_id_v" "issue"."id"%TYPE;
1694 "issue_row" "issue"%ROWTYPE;
1695 BEGIN
1696 IF EXISTS (
1697 SELECT NULL FROM "temporary_transaction_data"
1698 WHERE "txid" = txid_current()
1699 AND "key" = 'override_protection_triggers'
1700 AND "value" = TRUE::TEXT
1701 ) THEN
1702 RETURN NULL;
1703 END IF;
1704 IF TG_OP = 'DELETE' THEN
1705 "issue_id_v" := OLD."issue_id";
1706 ELSE
1707 "issue_id_v" := NEW."issue_id";
1708 END IF;
1709 SELECT INTO "issue_row" * FROM "issue"
1710 WHERE "id" = "issue_id_v" FOR SHARE;
1711 IF (
1712 "issue_row"."closed" NOTNULL OR (
1713 "issue_row"."state" = 'voting' AND
1714 "issue_row"."phase_finished" NOTNULL
1715 )
1716 ) THEN
1717 IF
1718 TG_RELID = 'direct_voter'::regclass AND
1719 TG_OP = 'UPDATE'
1720 THEN
1721 IF
1722 OLD."issue_id" = NEW."issue_id" AND
1723 OLD."member_id" = NEW."member_id" AND
1724 OLD."weight" = NEW."weight"
1725 THEN
1726 RETURN NULL; -- allows changing of voter comment
1727 END IF;
1728 END IF;
1729 RAISE EXCEPTION 'Tried to modify data after voting has been closed.' USING
1730 ERRCODE = 'integrity_constraint_violation';
1731 END IF;
1732 RETURN NULL;
1733 END;
1734 $$;
1736 CREATE TRIGGER "forbid_changes_on_closed_issue"
1737 AFTER INSERT OR UPDATE OR DELETE ON "direct_voter"
1738 FOR EACH ROW EXECUTE PROCEDURE
1739 "forbid_changes_on_closed_issue_trigger"();
1741 CREATE TRIGGER "forbid_changes_on_closed_issue"
1742 AFTER INSERT OR UPDATE OR DELETE ON "delegating_voter"
1743 FOR EACH ROW EXECUTE PROCEDURE
1744 "forbid_changes_on_closed_issue_trigger"();
1746 CREATE TRIGGER "forbid_changes_on_closed_issue"
1747 AFTER INSERT OR UPDATE OR DELETE ON "vote"
1748 FOR EACH ROW EXECUTE PROCEDURE
1749 "forbid_changes_on_closed_issue_trigger"();
1751 COMMENT ON FUNCTION "forbid_changes_on_closed_issue_trigger"() IS 'Implementation of triggers "forbid_changes_on_closed_issue" on tables "direct_voter", "delegating_voter" and "vote"';
1752 COMMENT ON TRIGGER "forbid_changes_on_closed_issue" ON "direct_voter" IS 'Ensures that frontends can''t tamper with votings of closed issues, in case of programming errors';
1753 COMMENT ON TRIGGER "forbid_changes_on_closed_issue" ON "delegating_voter" IS 'Ensures that frontends can''t tamper with votings of closed issues, in case of programming errors';
1754 COMMENT ON TRIGGER "forbid_changes_on_closed_issue" ON "vote" IS 'Ensures that frontends can''t tamper with votings of closed issues, in case of programming errors';
1758 --------------------------------------------------------------------
1759 -- Auto-retrieval of fields only needed for referential integrity --
1760 --------------------------------------------------------------------
1763 CREATE FUNCTION "autofill_issue_id_trigger"()
1764 RETURNS TRIGGER
1765 LANGUAGE 'plpgsql' VOLATILE AS $$
1766 BEGIN
1767 IF NEW."issue_id" ISNULL THEN
1768 SELECT "issue_id" INTO NEW."issue_id"
1769 FROM "initiative" WHERE "id" = NEW."initiative_id";
1770 END IF;
1771 RETURN NEW;
1772 END;
1773 $$;
1775 CREATE TRIGGER "autofill_issue_id" BEFORE INSERT ON "supporter"
1776 FOR EACH ROW EXECUTE PROCEDURE "autofill_issue_id_trigger"();
1778 CREATE TRIGGER "autofill_issue_id" BEFORE INSERT ON "vote"
1779 FOR EACH ROW EXECUTE PROCEDURE "autofill_issue_id_trigger"();
1781 COMMENT ON FUNCTION "autofill_issue_id_trigger"() IS 'Implementation of triggers "autofill_issue_id" on tables "supporter" and "vote"';
1782 COMMENT ON TRIGGER "autofill_issue_id" ON "supporter" IS 'Set "issue_id" field automatically, if NULL';
1783 COMMENT ON TRIGGER "autofill_issue_id" ON "vote" IS 'Set "issue_id" field automatically, if NULL';
1786 CREATE FUNCTION "autofill_initiative_id_trigger"()
1787 RETURNS TRIGGER
1788 LANGUAGE 'plpgsql' VOLATILE AS $$
1789 BEGIN
1790 IF NEW."initiative_id" ISNULL THEN
1791 SELECT "initiative_id" INTO NEW."initiative_id"
1792 FROM "suggestion" WHERE "id" = NEW."suggestion_id";
1793 END IF;
1794 RETURN NEW;
1795 END;
1796 $$;
1798 CREATE TRIGGER "autofill_initiative_id" BEFORE INSERT ON "opinion"
1799 FOR EACH ROW EXECUTE PROCEDURE "autofill_initiative_id_trigger"();
1801 COMMENT ON FUNCTION "autofill_initiative_id_trigger"() IS 'Implementation of trigger "autofill_initiative_id" on table "opinion"';
1802 COMMENT ON TRIGGER "autofill_initiative_id" ON "opinion" IS 'Set "initiative_id" field automatically, if NULL';
1806 -----------------------------------------------------
1807 -- Automatic calculation of certain default values --
1808 -----------------------------------------------------
1811 CREATE FUNCTION "copy_timings_trigger"()
1812 RETURNS TRIGGER
1813 LANGUAGE 'plpgsql' VOLATILE AS $$
1814 DECLARE
1815 "policy_row" "policy"%ROWTYPE;
1816 BEGIN
1817 SELECT * INTO "policy_row" FROM "policy"
1818 WHERE "id" = NEW."policy_id";
1819 IF NEW."min_admission_time" ISNULL THEN
1820 NEW."min_admission_time" := "policy_row"."min_admission_time";
1821 END IF;
1822 IF NEW."max_admission_time" ISNULL THEN
1823 NEW."max_admission_time" := "policy_row"."max_admission_time";
1824 END IF;
1825 IF NEW."discussion_time" ISNULL THEN
1826 NEW."discussion_time" := "policy_row"."discussion_time";
1827 END IF;
1828 IF NEW."verification_time" ISNULL THEN
1829 NEW."verification_time" := "policy_row"."verification_time";
1830 END IF;
1831 IF NEW."voting_time" ISNULL THEN
1832 NEW."voting_time" := "policy_row"."voting_time";
1833 END IF;
1834 RETURN NEW;
1835 END;
1836 $$;
1838 CREATE TRIGGER "copy_timings" BEFORE INSERT OR UPDATE ON "issue"
1839 FOR EACH ROW EXECUTE PROCEDURE "copy_timings_trigger"();
1841 COMMENT ON FUNCTION "copy_timings_trigger"() IS 'Implementation of trigger "copy_timings" on table "issue"';
1842 COMMENT ON TRIGGER "copy_timings" ON "issue" IS 'If timing fields are NULL, copy values from policy.';
1845 CREATE FUNCTION "default_for_draft_id_trigger"()
1846 RETURNS TRIGGER
1847 LANGUAGE 'plpgsql' VOLATILE AS $$
1848 BEGIN
1849 IF NEW."draft_id" ISNULL THEN
1850 SELECT "id" INTO NEW."draft_id" FROM "current_draft"
1851 WHERE "initiative_id" = NEW."initiative_id";
1852 END IF;
1853 RETURN NEW;
1854 END;
1855 $$;
1857 CREATE TRIGGER "default_for_draft_id" BEFORE INSERT OR UPDATE ON "suggestion"
1858 FOR EACH ROW EXECUTE PROCEDURE "default_for_draft_id_trigger"();
1859 CREATE TRIGGER "default_for_draft_id" BEFORE INSERT OR UPDATE ON "supporter"
1860 FOR EACH ROW EXECUTE PROCEDURE "default_for_draft_id_trigger"();
1862 COMMENT ON FUNCTION "default_for_draft_id_trigger"() IS 'Implementation of trigger "default_for_draft" on tables "supporter" and "suggestion"';
1863 COMMENT ON TRIGGER "default_for_draft_id" ON "suggestion" IS 'If "draft_id" is NULL, then use the current draft of the initiative as default';
1864 COMMENT ON TRIGGER "default_for_draft_id" ON "supporter" IS 'If "draft_id" is NULL, then use the current draft of the initiative as default';
1868 ----------------------------------------
1869 -- Automatic creation of dependencies --
1870 ----------------------------------------
1873 CREATE FUNCTION "autocreate_interest_trigger"()
1874 RETURNS TRIGGER
1875 LANGUAGE 'plpgsql' VOLATILE AS $$
1876 BEGIN
1877 IF NOT EXISTS (
1878 SELECT NULL FROM "initiative" JOIN "interest"
1879 ON "initiative"."issue_id" = "interest"."issue_id"
1880 WHERE "initiative"."id" = NEW."initiative_id"
1881 AND "interest"."member_id" = NEW."member_id"
1882 ) THEN
1883 BEGIN
1884 INSERT INTO "interest" ("issue_id", "member_id")
1885 SELECT "issue_id", NEW."member_id"
1886 FROM "initiative" WHERE "id" = NEW."initiative_id";
1887 EXCEPTION WHEN unique_violation THEN END;
1888 END IF;
1889 RETURN NEW;
1890 END;
1891 $$;
1893 CREATE TRIGGER "autocreate_interest" BEFORE INSERT ON "supporter"
1894 FOR EACH ROW EXECUTE PROCEDURE "autocreate_interest_trigger"();
1896 COMMENT ON FUNCTION "autocreate_interest_trigger"() IS 'Implementation of trigger "autocreate_interest" on table "supporter"';
1897 COMMENT ON TRIGGER "autocreate_interest" ON "supporter" IS 'Supporting an initiative implies interest in the issue, thus automatically creates an entry in the "interest" table';
1900 CREATE FUNCTION "autocreate_supporter_trigger"()
1901 RETURNS TRIGGER
1902 LANGUAGE 'plpgsql' VOLATILE AS $$
1903 BEGIN
1904 IF NOT EXISTS (
1905 SELECT NULL FROM "suggestion" JOIN "supporter"
1906 ON "suggestion"."initiative_id" = "supporter"."initiative_id"
1907 WHERE "suggestion"."id" = NEW."suggestion_id"
1908 AND "supporter"."member_id" = NEW."member_id"
1909 ) THEN
1910 BEGIN
1911 INSERT INTO "supporter" ("initiative_id", "member_id")
1912 SELECT "initiative_id", NEW."member_id"
1913 FROM "suggestion" WHERE "id" = NEW."suggestion_id";
1914 EXCEPTION WHEN unique_violation THEN END;
1915 END IF;
1916 RETURN NEW;
1917 END;
1918 $$;
1920 CREATE TRIGGER "autocreate_supporter" BEFORE INSERT ON "opinion"
1921 FOR EACH ROW EXECUTE PROCEDURE "autocreate_supporter_trigger"();
1923 COMMENT ON FUNCTION "autocreate_supporter_trigger"() IS 'Implementation of trigger "autocreate_supporter" on table "opinion"';
1924 COMMENT ON TRIGGER "autocreate_supporter" ON "opinion" IS 'Opinions can only be added for supported initiatives. This trigger automatrically creates an entry in the "supporter" table, if not existent yet.';
1928 ------------------------------------------
1929 -- Views and helper functions for views --
1930 ------------------------------------------
1933 CREATE VIEW "unit_delegation" AS
1934 SELECT
1935 "unit"."id" AS "unit_id",
1936 "delegation"."id",
1937 "delegation"."truster_id",
1938 "delegation"."trustee_id",
1939 "delegation"."scope"
1940 FROM "unit"
1941 JOIN "delegation"
1942 ON "delegation"."unit_id" = "unit"."id"
1943 JOIN "member"
1944 ON "delegation"."truster_id" = "member"."id"
1945 JOIN "privilege"
1946 ON "delegation"."unit_id" = "privilege"."unit_id"
1947 AND "delegation"."truster_id" = "privilege"."member_id"
1948 WHERE "member"."active" AND "privilege"."voting_right";
1950 COMMENT ON VIEW "unit_delegation" IS 'Unit delegations where trusters are active and have voting right';
1953 CREATE VIEW "area_delegation" AS
1954 SELECT DISTINCT ON ("area"."id", "delegation"."truster_id")
1955 "area"."id" AS "area_id",
1956 "delegation"."id",
1957 "delegation"."truster_id",
1958 "delegation"."trustee_id",
1959 "delegation"."scope"
1960 FROM "area"
1961 JOIN "delegation"
1962 ON "delegation"."unit_id" = "area"."unit_id"
1963 OR "delegation"."area_id" = "area"."id"
1964 JOIN "member"
1965 ON "delegation"."truster_id" = "member"."id"
1966 JOIN "privilege"
1967 ON "area"."unit_id" = "privilege"."unit_id"
1968 AND "delegation"."truster_id" = "privilege"."member_id"
1969 WHERE "member"."active" AND "privilege"."voting_right"
1970 ORDER BY
1971 "area"."id",
1972 "delegation"."truster_id",
1973 "delegation"."scope" DESC;
1975 COMMENT ON VIEW "area_delegation" IS 'Area delegations where trusters are active and have voting right';
1978 CREATE VIEW "issue_delegation" AS
1979 SELECT DISTINCT ON ("issue"."id", "delegation"."truster_id")
1980 "issue"."id" AS "issue_id",
1981 "delegation"."id",
1982 "delegation"."truster_id",
1983 "delegation"."trustee_id",
1984 "delegation"."scope"
1985 FROM "issue"
1986 JOIN "area"
1987 ON "area"."id" = "issue"."area_id"
1988 JOIN "delegation"
1989 ON "delegation"."unit_id" = "area"."unit_id"
1990 OR "delegation"."area_id" = "area"."id"
1991 OR "delegation"."issue_id" = "issue"."id"
1992 JOIN "member"
1993 ON "delegation"."truster_id" = "member"."id"
1994 JOIN "privilege"
1995 ON "area"."unit_id" = "privilege"."unit_id"
1996 AND "delegation"."truster_id" = "privilege"."member_id"
1997 WHERE "member"."active" AND "privilege"."voting_right"
1998 ORDER BY
1999 "issue"."id",
2000 "delegation"."truster_id",
2001 "delegation"."scope" DESC;
2003 COMMENT ON VIEW "issue_delegation" IS 'Issue delegations where trusters are active and have voting right';
2006 CREATE FUNCTION "membership_weight_with_skipping"
2007 ( "area_id_p" "area"."id"%TYPE,
2008 "member_id_p" "member"."id"%TYPE,
2009 "skip_member_ids_p" INT4[] ) -- "member"."id"%TYPE[]
2010 RETURNS INT4
2011 LANGUAGE 'plpgsql' STABLE AS $$
2012 DECLARE
2013 "sum_v" INT4;
2014 "delegation_row" "area_delegation"%ROWTYPE;
2015 BEGIN
2016 "sum_v" := 1;
2017 FOR "delegation_row" IN
2018 SELECT "area_delegation".*
2019 FROM "area_delegation" LEFT JOIN "membership"
2020 ON "membership"."area_id" = "area_id_p"
2021 AND "membership"."member_id" = "area_delegation"."truster_id"
2022 WHERE "area_delegation"."area_id" = "area_id_p"
2023 AND "area_delegation"."trustee_id" = "member_id_p"
2024 AND "membership"."member_id" ISNULL
2025 LOOP
2026 IF NOT
2027 "skip_member_ids_p" @> ARRAY["delegation_row"."truster_id"]
2028 THEN
2029 "sum_v" := "sum_v" + "membership_weight_with_skipping"(
2030 "area_id_p",
2031 "delegation_row"."truster_id",
2032 "skip_member_ids_p" || "delegation_row"."truster_id"
2033 );
2034 END IF;
2035 END LOOP;
2036 RETURN "sum_v";
2037 END;
2038 $$;
2040 COMMENT ON FUNCTION "membership_weight_with_skipping"
2041 ( "area"."id"%TYPE,
2042 "member"."id"%TYPE,
2043 INT4[] )
2044 IS 'Helper function for "membership_weight" function';
2047 CREATE FUNCTION "membership_weight"
2048 ( "area_id_p" "area"."id"%TYPE,
2049 "member_id_p" "member"."id"%TYPE ) -- "member"."id"%TYPE[]
2050 RETURNS INT4
2051 LANGUAGE 'plpgsql' STABLE AS $$
2052 BEGIN
2053 RETURN "membership_weight_with_skipping"(
2054 "area_id_p",
2055 "member_id_p",
2056 ARRAY["member_id_p"]
2057 );
2058 END;
2059 $$;
2061 COMMENT ON FUNCTION "membership_weight"
2062 ( "area"."id"%TYPE,
2063 "member"."id"%TYPE )
2064 IS 'Calculates the potential voting weight of a member in a given area';
2067 CREATE VIEW "member_count_view" AS
2068 SELECT count(1) AS "total_count" FROM "member" WHERE "active";
2070 COMMENT ON VIEW "member_count_view" IS 'View used to update "member_count" table';
2073 CREATE VIEW "unit_member_count" AS
2074 SELECT
2075 "unit"."id" AS "unit_id",
2076 count("member"."id") AS "member_count"
2077 FROM "unit"
2078 LEFT JOIN "privilege"
2079 ON "privilege"."unit_id" = "unit"."id"
2080 AND "privilege"."voting_right"
2081 LEFT JOIN "member"
2082 ON "member"."id" = "privilege"."member_id"
2083 AND "member"."active"
2084 GROUP BY "unit"."id";
2086 COMMENT ON VIEW "unit_member_count" IS 'View used to update "member_count" column of "unit" table';
2089 CREATE VIEW "area_member_count" AS
2090 SELECT
2091 "area"."id" AS "area_id",
2092 count("member"."id") AS "direct_member_count",
2093 coalesce(
2094 sum(
2095 CASE WHEN "member"."id" NOTNULL THEN
2096 "membership_weight"("area"."id", "member"."id")
2097 ELSE 0 END
2098 )
2099 ) AS "member_weight"
2100 FROM "area"
2101 LEFT JOIN "membership"
2102 ON "area"."id" = "membership"."area_id"
2103 LEFT JOIN "privilege"
2104 ON "privilege"."unit_id" = "area"."unit_id"
2105 AND "privilege"."member_id" = "membership"."member_id"
2106 AND "privilege"."voting_right"
2107 LEFT JOIN "member"
2108 ON "member"."id" = "privilege"."member_id" -- NOTE: no membership here!
2109 AND "member"."active"
2110 GROUP BY "area"."id";
2112 COMMENT ON VIEW "area_member_count" IS 'View used to update "direct_member_count" and "member_weight" columns of table "area"';
2115 CREATE VIEW "opening_draft" AS
2116 SELECT "draft".* FROM (
2117 SELECT
2118 "initiative"."id" AS "initiative_id",
2119 min("draft"."id") AS "draft_id"
2120 FROM "initiative" JOIN "draft"
2121 ON "initiative"."id" = "draft"."initiative_id"
2122 GROUP BY "initiative"."id"
2123 ) AS "subquery"
2124 JOIN "draft" ON "subquery"."draft_id" = "draft"."id";
2126 COMMENT ON VIEW "opening_draft" IS 'First drafts of all initiatives';
2129 CREATE VIEW "current_draft" AS
2130 SELECT "draft".* FROM (
2131 SELECT
2132 "initiative"."id" AS "initiative_id",
2133 max("draft"."id") AS "draft_id"
2134 FROM "initiative" JOIN "draft"
2135 ON "initiative"."id" = "draft"."initiative_id"
2136 GROUP BY "initiative"."id"
2137 ) AS "subquery"
2138 JOIN "draft" ON "subquery"."draft_id" = "draft"."id";
2140 COMMENT ON VIEW "current_draft" IS 'All latest drafts for each initiative';
2143 CREATE VIEW "critical_opinion" AS
2144 SELECT * FROM "opinion"
2145 WHERE ("degree" = 2 AND "fulfilled" = FALSE)
2146 OR ("degree" = -2 AND "fulfilled" = TRUE);
2148 COMMENT ON VIEW "critical_opinion" IS 'Opinions currently causing dissatisfaction';
2151 CREATE VIEW "issue_supporter_in_admission_state" AS
2152 SELECT DISTINCT -- TODO: DISTINCT needed?
2153 "area"."unit_id",
2154 "issue"."area_id",
2155 "issue"."id" AS "issue_id",
2156 "supporter"."member_id",
2157 "direct_interest_snapshot"."weight"
2158 FROM "issue"
2159 JOIN "area" ON "area"."id" = "issue"."area_id"
2160 JOIN "supporter" ON "supporter"."issue_id" = "issue"."id"
2161 JOIN "direct_interest_snapshot"
2162 ON "direct_interest_snapshot"."issue_id" = "issue"."id"
2163 AND "direct_interest_snapshot"."event" = "issue"."latest_snapshot_event"
2164 AND "direct_interest_snapshot"."member_id" = "supporter"."member_id"
2165 WHERE "issue"."state" = 'admission'::"issue_state";
2167 COMMENT ON VIEW "issue_supporter_in_admission_state" IS 'Helper view for "lf_update_issue_order" to allow a (proportional) ordering of issues within an area';
2170 CREATE VIEW "initiative_suggestion_order_calculation" AS
2171 SELECT
2172 "initiative"."id" AS "initiative_id",
2173 ("issue"."closed" NOTNULL OR "issue"."fully_frozen" NOTNULL) AS "final"
2174 FROM "initiative" JOIN "issue"
2175 ON "initiative"."issue_id" = "issue"."id"
2176 WHERE ("issue"."closed" ISNULL AND "issue"."fully_frozen" ISNULL)
2177 OR ("initiative"."final_suggestion_order_calculated" = FALSE);
2179 COMMENT ON VIEW "initiative_suggestion_order_calculation" IS 'Initiatives, where the "proportional_order" of its suggestions has to be calculated';
2181 COMMENT ON COLUMN "initiative_suggestion_order_calculation"."final" IS 'Set to TRUE, if the issue is fully frozen or closed, and the calculation has to be done only once for one last time';
2184 CREATE VIEW "individual_suggestion_ranking" AS
2185 SELECT
2186 "opinion"."initiative_id",
2187 "opinion"."member_id",
2188 "direct_interest_snapshot"."weight",
2189 CASE WHEN
2190 ("opinion"."degree" = 2 AND "opinion"."fulfilled" = FALSE) OR
2191 ("opinion"."degree" = -2 AND "opinion"."fulfilled" = TRUE)
2192 THEN 1 ELSE
2193 CASE WHEN
2194 ("opinion"."degree" = 1 AND "opinion"."fulfilled" = FALSE) OR
2195 ("opinion"."degree" = -1 AND "opinion"."fulfilled" = TRUE)
2196 THEN 2 ELSE
2197 CASE WHEN
2198 ("opinion"."degree" = 2 AND "opinion"."fulfilled" = TRUE) OR
2199 ("opinion"."degree" = -2 AND "opinion"."fulfilled" = FALSE)
2200 THEN 3 ELSE 4 END
2201 END
2202 END AS "preference",
2203 "opinion"."suggestion_id"
2204 FROM "opinion"
2205 JOIN "initiative" ON "initiative"."id" = "opinion"."initiative_id"
2206 JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
2207 JOIN "direct_interest_snapshot"
2208 ON "direct_interest_snapshot"."issue_id" = "issue"."id"
2209 AND "direct_interest_snapshot"."event" = "issue"."latest_snapshot_event"
2210 AND "direct_interest_snapshot"."member_id" = "opinion"."member_id";
2212 COMMENT ON VIEW "individual_suggestion_ranking" IS 'Helper view for "lf_update_suggestion_order" to allow a proportional ordering of suggestions within an initiative';
2215 CREATE VIEW "battle_participant" AS
2216 SELECT "initiative"."id", "initiative"."issue_id"
2217 FROM "issue" JOIN "initiative"
2218 ON "issue"."id" = "initiative"."issue_id"
2219 WHERE "initiative"."admitted"
2220 UNION ALL
2221 SELECT NULL, "id" AS "issue_id"
2222 FROM "issue";
2224 COMMENT ON VIEW "battle_participant" IS 'Helper view for "battle_view" containing admitted initiatives plus virtual "status-quo" initiative denoted by NULL reference';
2227 CREATE VIEW "battle_view" AS
2228 SELECT
2229 "issue"."id" AS "issue_id",
2230 "winning_initiative"."id" AS "winning_initiative_id",
2231 "losing_initiative"."id" AS "losing_initiative_id",
2232 sum(
2233 CASE WHEN
2234 coalesce("better_vote"."grade", 0) >
2235 coalesce("worse_vote"."grade", 0)
2236 THEN "direct_voter"."weight" ELSE 0 END
2237 ) AS "count"
2238 FROM "issue"
2239 LEFT JOIN "direct_voter"
2240 ON "issue"."id" = "direct_voter"."issue_id"
2241 JOIN "battle_participant" AS "winning_initiative"
2242 ON "issue"."id" = "winning_initiative"."issue_id"
2243 JOIN "battle_participant" AS "losing_initiative"
2244 ON "issue"."id" = "losing_initiative"."issue_id"
2245 LEFT JOIN "vote" AS "better_vote"
2246 ON "direct_voter"."member_id" = "better_vote"."member_id"
2247 AND "winning_initiative"."id" = "better_vote"."initiative_id"
2248 LEFT JOIN "vote" AS "worse_vote"
2249 ON "direct_voter"."member_id" = "worse_vote"."member_id"
2250 AND "losing_initiative"."id" = "worse_vote"."initiative_id"
2251 WHERE "issue"."state" = 'voting'
2252 AND "issue"."phase_finished" NOTNULL
2253 AND (
2254 "winning_initiative"."id" != "losing_initiative"."id" OR
2255 ( ("winning_initiative"."id" NOTNULL AND "losing_initiative"."id" ISNULL) OR
2256 ("winning_initiative"."id" ISNULL AND "losing_initiative"."id" NOTNULL) ) )
2257 GROUP BY
2258 "issue"."id",
2259 "winning_initiative"."id",
2260 "losing_initiative"."id";
2262 COMMENT ON VIEW "battle_view" IS 'Number of members preferring one initiative (or status-quo) to another initiative (or status-quo); Used to fill "battle" table';
2265 CREATE VIEW "expired_session" AS
2266 SELECT * FROM "session" WHERE now() > "expiry";
2268 CREATE RULE "delete" AS ON DELETE TO "expired_session" DO INSTEAD
2269 DELETE FROM "session" WHERE "ident" = OLD."ident";
2271 COMMENT ON VIEW "expired_session" IS 'View containing all expired sessions where DELETE is possible';
2272 COMMENT ON RULE "delete" ON "expired_session" IS 'Rule allowing DELETE on rows in "expired_session" view, i.e. DELETE FROM "expired_session"';
2275 CREATE VIEW "open_issue" AS
2276 SELECT * FROM "issue" WHERE "closed" ISNULL;
2278 COMMENT ON VIEW "open_issue" IS 'All open issues';
2281 CREATE VIEW "member_contingent" AS
2282 SELECT
2283 "member"."id" AS "member_id",
2284 "contingent"."polling",
2285 "contingent"."time_frame",
2286 CASE WHEN "contingent"."text_entry_limit" NOTNULL THEN
2287 (
2288 SELECT count(1) FROM "draft"
2289 JOIN "initiative" ON "initiative"."id" = "draft"."initiative_id"
2290 WHERE "draft"."author_id" = "member"."id"
2291 AND "initiative"."polling" = "contingent"."polling"
2292 AND "draft"."created" > now() - "contingent"."time_frame"
2293 ) + (
2294 SELECT count(1) FROM "suggestion"
2295 JOIN "initiative" ON "initiative"."id" = "suggestion"."initiative_id"
2296 WHERE "suggestion"."author_id" = "member"."id"
2297 AND "contingent"."polling" = FALSE
2298 AND "suggestion"."created" > now() - "contingent"."time_frame"
2299 )
2300 ELSE NULL END AS "text_entry_count",
2301 "contingent"."text_entry_limit",
2302 CASE WHEN "contingent"."initiative_limit" NOTNULL THEN (
2303 SELECT count(1) FROM "opening_draft" AS "draft"
2304 JOIN "initiative" ON "initiative"."id" = "draft"."initiative_id"
2305 WHERE "draft"."author_id" = "member"."id"
2306 AND "initiative"."polling" = "contingent"."polling"
2307 AND "draft"."created" > now() - "contingent"."time_frame"
2308 ) ELSE NULL END AS "initiative_count",
2309 "contingent"."initiative_limit"
2310 FROM "member" CROSS JOIN "contingent";
2312 COMMENT ON VIEW "member_contingent" IS 'Actual counts of text entries and initiatives are calculated per member for each limit in the "contingent" table.';
2314 COMMENT ON COLUMN "member_contingent"."text_entry_count" IS 'Only calculated when "text_entry_limit" is not null in the same row';
2315 COMMENT ON COLUMN "member_contingent"."initiative_count" IS 'Only calculated when "initiative_limit" is not null in the same row';
2318 CREATE VIEW "member_contingent_left" AS
2319 SELECT
2320 "member_id",
2321 "polling",
2322 max("text_entry_limit" - "text_entry_count") AS "text_entries_left",
2323 max("initiative_limit" - "initiative_count") AS "initiatives_left"
2324 FROM "member_contingent" GROUP BY "member_id", "polling";
2326 COMMENT ON VIEW "member_contingent_left" IS 'Amount of text entries or initiatives which can be posted now instantly by a member. This view should be used by a frontend to determine, if the contingent for posting is exhausted.';
2329 CREATE VIEW "event_seen_by_member" AS
2330 SELECT
2331 "member"."id" AS "seen_by_member_id",
2332 CASE WHEN "event"."state" IN (
2333 'voting',
2334 'finished_without_winner',
2335 'finished_with_winner'
2336 ) THEN
2337 'voting'::"notify_level"
2338 ELSE
2339 CASE WHEN "event"."state" IN (
2340 'verification',
2341 'canceled_after_revocation_during_verification',
2342 'canceled_no_initiative_admitted'
2343 ) THEN
2344 'verification'::"notify_level"
2345 ELSE
2346 CASE WHEN "event"."state" IN (
2347 'discussion',
2348 'canceled_after_revocation_during_discussion'
2349 ) THEN
2350 'discussion'::"notify_level"
2351 ELSE
2352 'all'::"notify_level"
2353 END
2354 END
2355 END AS "notify_level",
2356 "event".*
2357 FROM "member" CROSS JOIN "event"
2358 LEFT JOIN "issue"
2359 ON "event"."issue_id" = "issue"."id"
2360 LEFT JOIN "membership"
2361 ON "member"."id" = "membership"."member_id"
2362 AND "issue"."area_id" = "membership"."area_id"
2363 LEFT JOIN "interest"
2364 ON "member"."id" = "interest"."member_id"
2365 AND "event"."issue_id" = "interest"."issue_id"
2366 LEFT JOIN "ignored_member"
2367 ON "member"."id" = "ignored_member"."member_id"
2368 AND "event"."member_id" = "ignored_member"."other_member_id"
2369 LEFT JOIN "ignored_initiative"
2370 ON "member"."id" = "ignored_initiative"."member_id"
2371 AND "event"."initiative_id" = "ignored_initiative"."initiative_id"
2372 WHERE (
2373 "interest"."member_id" NOTNULL OR
2374 ( "membership"."member_id" NOTNULL AND
2375 "event"."event" IN (
2376 'issue_state_changed',
2377 'initiative_created_in_new_issue',
2378 'initiative_created_in_existing_issue',
2379 'initiative_revoked' ) ) )
2380 AND "ignored_member"."member_id" ISNULL
2381 AND "ignored_initiative"."member_id" ISNULL;
2383 COMMENT ON VIEW "event_seen_by_member" IS 'Events as seen by a member, depending on its memberships, interests and support, but ignoring members "notify_level"';
2386 CREATE VIEW "updated_initiative" AS
2387 SELECT
2388 "member"."id" AS "seen_by_member_id",
2389 "initiative".*
2390 FROM "member" CROSS JOIN "initiative"
2391 JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
2392 JOIN "supporter" ON
2393 "supporter"."member_id" = "member"."id" AND
2394 "supporter"."initiative_id" = "initiative"."id"
2395 WHERE "issue"."state" IN ('admission', 'discussion') ISNULL
2396 AND (
2397 EXISTS (
2398 SELECT NULL FROM "draft"
2399 WHERE "draft"."initiative_id" = "initiative"."id"
2400 AND "draft"."id" > "supporter"."draft_id"
2401 ) OR EXISTS (
2402 SELECT NULL FROM "suggestion"
2403 WHERE "suggestion"."initiative_id" = "initiative"."id"
2404 AND COALESCE(
2405 "suggestion"."id" > "member"."last_notified_suggestion_id",
2406 TRUE
2407 )
2408 )
2409 );
2411 CREATE FUNCTION "featured_initiative"
2412 ( "member_id_p" "member"."id"%TYPE,
2413 "area_id_p" "area"."id"%TYPE )
2414 RETURNS SETOF "initiative"
2415 LANGUAGE 'plpgsql' STABLE AS $$
2416 DECLARE
2417 "sample_size_v" INT4;
2418 "member_id_v" "member"."id"%TYPE;
2419 "seed_v" TEXT;
2420 "result_row" "initiative"%ROWTYPE;
2421 "match_v" BOOLEAN;
2422 "initiative_id_ary" INT4[]; --"initiative"."id"%TYPE[]
2423 BEGIN
2424 SELECT INTO "sample_size_v" "sample_size" FROM "member" WHERE "id" = "member_id_p";
2425 "initiative_id_ary" := '{}';
2426 LOOP
2427 "match_v" := FALSE;
2428 FOR "member_id_v", "seed_v" IN
2429 SELECT * FROM (
2430 SELECT DISTINCT
2431 "supporter"."member_id",
2432 md5("member_id" || '-' || "member"."notification_counter" || '-' || "area_id_p") AS "seed"
2433 FROM "supporter"
2434 JOIN "member" ON "member"."id" = "supporter"."member_id"
2435 JOIN "initiative" ON "initiative"."id" = "supporter"."initiative_id"
2436 JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
2437 WHERE "supporter"."member_id" != "member_id_p"
2438 AND "issue"."area_id" = "area_id_p"
2439 AND "issue"."state" IN ('admission', 'discussion', 'verification')
2440 ) AS "subquery"
2441 ORDER BY "seed"
2442 LOOP
2443 SELECT "initiative".* INTO "result_row"
2444 FROM "initiative"
2445 JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
2446 JOIN "supporter" ON "supporter"."initiative_id" = "initiative"."id"
2447 LEFT JOIN "supporter" AS "self_support" ON
2448 "self_support"."initiative_id" = "initiative"."id" AND
2449 "self_support"."member_id" = "member_id_p"
2450 WHERE "supporter"."member_id" = "member_id_v"
2451 AND "issue"."area_id" = "area_id_p"
2452 AND "issue"."state" IN ('admission', 'discussion', 'verification')
2453 AND "self_support"."member_id" ISNULL
2454 AND NOT "initiative_id_ary" @> ARRAY["initiative"."id"]
2455 ORDER BY md5("seed_v" || '-' || "initiative"."id")
2456 LIMIT 1;
2457 IF FOUND THEN
2458 "match_v" := TRUE;
2459 "initiative_id_ary" := "initiative_id_ary" || "result_row"."id";
2460 RETURN NEXT "result_row";
2461 IF array_length("initiative_id_ary", 1) >= "sample_size_v" THEN
2462 RETURN;
2463 END IF;
2464 END IF;
2465 END LOOP;
2466 EXIT WHEN NOT "match_v";
2467 END LOOP;
2468 RETURN;
2469 END;
2470 $$;
2472 CREATE VIEW "updated_or_featured_initiative" AS
2473 SELECT * FROM "updated_initiative"
2474 UNION ALL
2475 SELECT
2476 "member"."id" AS "seen_by_member_id",
2477 "featured_initiative".*
2478 FROM "member" CROSS JOIN "area"
2479 CROSS JOIN LATERAL "featured_initiative"("member"."id", "area"."id");
2481 CREATE VIEW "leading_complement_initiative" AS
2482 SELECT DISTINCT ON ("seen_by_member_id", "initiative"."issue_id")
2483 "updated_or_featured_initiative"."seen_by_member_id",
2484 "initiative".*
2485 FROM "updated_or_featured_initiative"
2486 JOIN "initiative"
2487 ON "updated_or_featured_initiative"."issue_id" = "initiative"."issue_id"
2488 ORDER BY
2489 "seen_by_member_id",
2490 "initiative"."issue_id",
2491 "initiative"."harmonic_weight" DESC;
2493 CREATE VIEW "initiative_for_notification" AS
2494 SELECT * FROM "updated_or_featured_initiative"
2495 UNION
2496 SELECT * FROM "leading_complement_initiative";
2500 ------------------------------------------------------
2501 -- Row set returning function for delegation chains --
2502 ------------------------------------------------------
2505 CREATE TYPE "delegation_chain_loop_tag" AS ENUM
2506 ('first', 'intermediate', 'last', 'repetition');
2508 COMMENT ON TYPE "delegation_chain_loop_tag" IS 'Type for loop tags in "delegation_chain_row" type';
2511 CREATE TYPE "delegation_chain_row" AS (
2512 "index" INT4,
2513 "member_id" INT4,
2514 "member_valid" BOOLEAN,
2515 "participation" BOOLEAN,
2516 "overridden" BOOLEAN,
2517 "scope_in" "delegation_scope",
2518 "scope_out" "delegation_scope",
2519 "disabled_out" BOOLEAN,
2520 "loop" "delegation_chain_loop_tag" );
2522 COMMENT ON TYPE "delegation_chain_row" IS 'Type of rows returned by "delegation_chain" function';
2524 COMMENT ON COLUMN "delegation_chain_row"."index" IS 'Index starting with 0 and counting up';
2525 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';
2526 COMMENT ON COLUMN "delegation_chain_row"."overridden" IS 'True, if an entry with lower index has "participation" set to true';
2527 COMMENT ON COLUMN "delegation_chain_row"."scope_in" IS 'Scope of used incoming delegation';
2528 COMMENT ON COLUMN "delegation_chain_row"."scope_out" IS 'Scope of used outgoing delegation';
2529 COMMENT ON COLUMN "delegation_chain_row"."disabled_out" IS 'Outgoing delegation is explicitly disabled by a delegation with trustee_id set to NULL';
2530 COMMENT ON COLUMN "delegation_chain_row"."loop" IS 'Not null, if member is part of a loop, see "delegation_chain_loop_tag" type';
2533 CREATE FUNCTION "delegation_chain_for_closed_issue"
2534 ( "member_id_p" "member"."id"%TYPE,
2535 "issue_id_p" "issue"."id"%TYPE )
2536 RETURNS SETOF "delegation_chain_row"
2537 LANGUAGE 'plpgsql' STABLE AS $$
2538 DECLARE
2539 "output_row" "delegation_chain_row";
2540 "direct_voter_row" "direct_voter"%ROWTYPE;
2541 "delegating_voter_row" "delegating_voter"%ROWTYPE;
2542 BEGIN
2543 "output_row"."index" := 0;
2544 "output_row"."member_id" := "member_id_p";
2545 "output_row"."member_valid" := TRUE;
2546 "output_row"."participation" := FALSE;
2547 "output_row"."overridden" := FALSE;
2548 "output_row"."disabled_out" := FALSE;
2549 LOOP
2550 SELECT INTO "direct_voter_row" * FROM "direct_voter"
2551 WHERE "issue_id" = "issue_id_p"
2552 AND "member_id" = "output_row"."member_id";
2553 IF "direct_voter_row"."member_id" NOTNULL THEN
2554 "output_row"."participation" := TRUE;
2555 "output_row"."scope_out" := NULL;
2556 "output_row"."disabled_out" := NULL;
2557 RETURN NEXT "output_row";
2558 RETURN;
2559 END IF;
2560 SELECT INTO "delegating_voter_row" * FROM "delegating_voter"
2561 WHERE "issue_id" = "issue_id_p"
2562 AND "member_id" = "output_row"."member_id";
2563 IF "delegating_voter_row"."member_id" ISNULL THEN
2564 RETURN;
2565 END IF;
2566 "output_row"."scope_out" := "delegating_voter_row"."scope";
2567 RETURN NEXT "output_row";
2568 "output_row"."member_id" := "delegating_voter_row"."delegate_member_ids"[1];
2569 "output_row"."scope_in" := "output_row"."scope_out";
2570 END LOOP;
2571 END;
2572 $$;
2574 COMMENT ON FUNCTION "delegation_chain_for_closed_issue"
2575 ( "member"."id"%TYPE,
2576 "member"."id"%TYPE )
2577 IS 'Helper function for "delegation_chain" function, handling the special case of closed issues after voting';
2580 CREATE FUNCTION "delegation_chain"
2581 ( "member_id_p" "member"."id"%TYPE,
2582 "unit_id_p" "unit"."id"%TYPE,
2583 "area_id_p" "area"."id"%TYPE,
2584 "issue_id_p" "issue"."id"%TYPE,
2585 "simulate_trustee_id_p" "member"."id"%TYPE DEFAULT NULL,
2586 "simulate_default_p" BOOLEAN DEFAULT FALSE )
2587 RETURNS SETOF "delegation_chain_row"
2588 LANGUAGE 'plpgsql' STABLE AS $$
2589 DECLARE
2590 "scope_v" "delegation_scope";
2591 "unit_id_v" "unit"."id"%TYPE;
2592 "area_id_v" "area"."id"%TYPE;
2593 "issue_row" "issue"%ROWTYPE;
2594 "visited_member_ids" INT4[]; -- "member"."id"%TYPE[]
2595 "loop_member_id_v" "member"."id"%TYPE;
2596 "output_row" "delegation_chain_row";
2597 "output_rows" "delegation_chain_row"[];
2598 "simulate_v" BOOLEAN;
2599 "simulate_here_v" BOOLEAN;
2600 "delegation_row" "delegation"%ROWTYPE;
2601 "row_count" INT4;
2602 "i" INT4;
2603 "loop_v" BOOLEAN;
2604 BEGIN
2605 IF "simulate_trustee_id_p" NOTNULL AND "simulate_default_p" THEN
2606 RAISE EXCEPTION 'Both "simulate_trustee_id_p" is set, and "simulate_default_p" is true';
2607 END IF;
2608 IF "simulate_trustee_id_p" NOTNULL OR "simulate_default_p" THEN
2609 "simulate_v" := TRUE;
2610 ELSE
2611 "simulate_v" := FALSE;
2612 END IF;
2613 IF
2614 "unit_id_p" NOTNULL AND
2615 "area_id_p" ISNULL AND
2616 "issue_id_p" ISNULL
2617 THEN
2618 "scope_v" := 'unit';
2619 "unit_id_v" := "unit_id_p";
2620 ELSIF
2621 "unit_id_p" ISNULL AND
2622 "area_id_p" NOTNULL AND
2623 "issue_id_p" ISNULL
2624 THEN
2625 "scope_v" := 'area';
2626 "area_id_v" := "area_id_p";
2627 SELECT "unit_id" INTO "unit_id_v"
2628 FROM "area" WHERE "id" = "area_id_v";
2629 ELSIF
2630 "unit_id_p" ISNULL AND
2631 "area_id_p" ISNULL AND
2632 "issue_id_p" NOTNULL
2633 THEN
2634 SELECT INTO "issue_row" * FROM "issue" WHERE "id" = "issue_id_p";
2635 IF "issue_row"."id" ISNULL THEN
2636 RETURN;
2637 END IF;
2638 IF "issue_row"."closed" NOTNULL THEN
2639 IF "simulate_v" THEN
2640 RAISE EXCEPTION 'Tried to simulate delegation chain for closed issue.';
2641 END IF;
2642 FOR "output_row" IN
2643 SELECT * FROM
2644 "delegation_chain_for_closed_issue"("member_id_p", "issue_id_p")
2645 LOOP
2646 RETURN NEXT "output_row";
2647 END LOOP;
2648 RETURN;
2649 END IF;
2650 "scope_v" := 'issue';
2651 SELECT "area_id" INTO "area_id_v"
2652 FROM "issue" WHERE "id" = "issue_id_p";
2653 SELECT "unit_id" INTO "unit_id_v"
2654 FROM "area" WHERE "id" = "area_id_v";
2655 ELSE
2656 RAISE EXCEPTION 'Exactly one of unit_id_p, area_id_p, or issue_id_p must be NOTNULL.';
2657 END IF;
2658 "visited_member_ids" := '{}';
2659 "loop_member_id_v" := NULL;
2660 "output_rows" := '{}';
2661 "output_row"."index" := 0;
2662 "output_row"."member_id" := "member_id_p";
2663 "output_row"."member_valid" := TRUE;
2664 "output_row"."participation" := FALSE;
2665 "output_row"."overridden" := FALSE;
2666 "output_row"."disabled_out" := FALSE;
2667 "output_row"."scope_out" := NULL;
2668 LOOP
2669 IF "visited_member_ids" @> ARRAY["output_row"."member_id"] THEN
2670 "loop_member_id_v" := "output_row"."member_id";
2671 ELSE
2672 "visited_member_ids" :=
2673 "visited_member_ids" || "output_row"."member_id";
2674 END IF;
2675 IF "output_row"."participation" ISNULL THEN
2676 "output_row"."overridden" := NULL;
2677 ELSIF "output_row"."participation" THEN
2678 "output_row"."overridden" := TRUE;
2679 END IF;
2680 "output_row"."scope_in" := "output_row"."scope_out";
2681 "output_row"."member_valid" := EXISTS (
2682 SELECT NULL FROM "member" JOIN "privilege"
2683 ON "privilege"."member_id" = "member"."id"
2684 AND "privilege"."unit_id" = "unit_id_v"
2685 WHERE "id" = "output_row"."member_id"
2686 AND "member"."active" AND "privilege"."voting_right"
2687 );
2688 "simulate_here_v" := (
2689 "simulate_v" AND
2690 "output_row"."member_id" = "member_id_p"
2691 );
2692 "delegation_row" := ROW(NULL);
2693 IF "output_row"."member_valid" OR "simulate_here_v" THEN
2694 IF "scope_v" = 'unit' THEN
2695 IF NOT "simulate_here_v" THEN
2696 SELECT * INTO "delegation_row" FROM "delegation"
2697 WHERE "truster_id" = "output_row"."member_id"
2698 AND "unit_id" = "unit_id_v";
2699 END IF;
2700 ELSIF "scope_v" = 'area' THEN
2701 "output_row"."participation" := EXISTS (
2702 SELECT NULL FROM "membership"
2703 WHERE "area_id" = "area_id_p"
2704 AND "member_id" = "output_row"."member_id"
2705 );
2706 IF "simulate_here_v" THEN
2707 IF "simulate_trustee_id_p" ISNULL THEN
2708 SELECT * INTO "delegation_row" FROM "delegation"
2709 WHERE "truster_id" = "output_row"."member_id"
2710 AND "unit_id" = "unit_id_v";
2711 END IF;
2712 ELSE
2713 SELECT * INTO "delegation_row" FROM "delegation"
2714 WHERE "truster_id" = "output_row"."member_id"
2715 AND (
2716 "unit_id" = "unit_id_v" OR
2717 "area_id" = "area_id_v"
2718 )
2719 ORDER BY "scope" DESC;
2720 END IF;
2721 ELSIF "scope_v" = 'issue' THEN
2722 IF "issue_row"."fully_frozen" ISNULL THEN
2723 "output_row"."participation" := EXISTS (
2724 SELECT NULL FROM "interest"
2725 WHERE "issue_id" = "issue_id_p"
2726 AND "member_id" = "output_row"."member_id"
2727 );
2728 ELSE
2729 IF "output_row"."member_id" = "member_id_p" THEN
2730 "output_row"."participation" := EXISTS (
2731 SELECT NULL FROM "direct_voter"
2732 WHERE "issue_id" = "issue_id_p"
2733 AND "member_id" = "output_row"."member_id"
2734 );
2735 ELSE
2736 "output_row"."participation" := NULL;
2737 END IF;
2738 END IF;
2739 IF "simulate_here_v" THEN
2740 IF "simulate_trustee_id_p" ISNULL THEN
2741 SELECT * INTO "delegation_row" FROM "delegation"
2742 WHERE "truster_id" = "output_row"."member_id"
2743 AND (
2744 "unit_id" = "unit_id_v" OR
2745 "area_id" = "area_id_v"
2746 )
2747 ORDER BY "scope" DESC;
2748 END IF;
2749 ELSE
2750 SELECT * INTO "delegation_row" FROM "delegation"
2751 WHERE "truster_id" = "output_row"."member_id"
2752 AND (
2753 "unit_id" = "unit_id_v" OR
2754 "area_id" = "area_id_v" OR
2755 "issue_id" = "issue_id_p"
2756 )
2757 ORDER BY "scope" DESC;
2758 END IF;
2759 END IF;
2760 ELSE
2761 "output_row"."participation" := FALSE;
2762 END IF;
2763 IF "simulate_here_v" AND "simulate_trustee_id_p" NOTNULL THEN
2764 "output_row"."scope_out" := "scope_v";
2765 "output_rows" := "output_rows" || "output_row";
2766 "output_row"."member_id" := "simulate_trustee_id_p";
2767 ELSIF "delegation_row"."trustee_id" NOTNULL THEN
2768 "output_row"."scope_out" := "delegation_row"."scope";
2769 "output_rows" := "output_rows" || "output_row";
2770 "output_row"."member_id" := "delegation_row"."trustee_id";
2771 ELSIF "delegation_row"."scope" NOTNULL THEN
2772 "output_row"."scope_out" := "delegation_row"."scope";
2773 "output_row"."disabled_out" := TRUE;
2774 "output_rows" := "output_rows" || "output_row";
2775 EXIT;
2776 ELSE
2777 "output_row"."scope_out" := NULL;
2778 "output_rows" := "output_rows" || "output_row";
2779 EXIT;
2780 END IF;
2781 EXIT WHEN "loop_member_id_v" NOTNULL;
2782 "output_row"."index" := "output_row"."index" + 1;
2783 END LOOP;
2784 "row_count" := array_upper("output_rows", 1);
2785 "i" := 1;
2786 "loop_v" := FALSE;
2787 LOOP
2788 "output_row" := "output_rows"["i"];
2789 EXIT WHEN "output_row" ISNULL; -- NOTE: ISNULL and NOT ... NOTNULL produce different results!
2790 IF "loop_v" THEN
2791 IF "i" + 1 = "row_count" THEN
2792 "output_row"."loop" := 'last';
2793 ELSIF "i" = "row_count" THEN
2794 "output_row"."loop" := 'repetition';
2795 ELSE
2796 "output_row"."loop" := 'intermediate';
2797 END IF;
2798 ELSIF "output_row"."member_id" = "loop_member_id_v" THEN
2799 "output_row"."loop" := 'first';
2800 "loop_v" := TRUE;
2801 END IF;
2802 IF "scope_v" = 'unit' THEN
2803 "output_row"."participation" := NULL;
2804 END IF;
2805 RETURN NEXT "output_row";
2806 "i" := "i" + 1;
2807 END LOOP;
2808 RETURN;
2809 END;
2810 $$;
2812 COMMENT ON FUNCTION "delegation_chain"
2813 ( "member"."id"%TYPE,
2814 "unit"."id"%TYPE,
2815 "area"."id"%TYPE,
2816 "issue"."id"%TYPE,
2817 "member"."id"%TYPE,
2818 BOOLEAN )
2819 IS 'Shows a delegation chain for unit, area, or issue; See "delegation_chain_row" type for more information';
2823 ---------------------------------------------------------
2824 -- Single row returning function for delegation chains --
2825 ---------------------------------------------------------
2828 CREATE TYPE "delegation_info_loop_type" AS ENUM
2829 ('own', 'first', 'first_ellipsis', 'other', 'other_ellipsis');
2831 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''';
2834 CREATE TYPE "delegation_info_type" AS (
2835 "own_participation" BOOLEAN,
2836 "own_delegation_scope" "delegation_scope",
2837 "first_trustee_id" INT4,
2838 "first_trustee_participation" BOOLEAN,
2839 "first_trustee_ellipsis" BOOLEAN,
2840 "other_trustee_id" INT4,
2841 "other_trustee_participation" BOOLEAN,
2842 "other_trustee_ellipsis" BOOLEAN,
2843 "delegation_loop" "delegation_info_loop_type",
2844 "participating_member_id" INT4 );
2846 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';
2848 COMMENT ON COLUMN "delegation_info_type"."own_participation" IS 'Member is directly participating';
2849 COMMENT ON COLUMN "delegation_info_type"."own_delegation_scope" IS 'Delegation scope of member';
2850 COMMENT ON COLUMN "delegation_info_type"."first_trustee_id" IS 'Direct trustee of member';
2851 COMMENT ON COLUMN "delegation_info_type"."first_trustee_participation" IS 'Direct trustee of member is participating';
2852 COMMENT ON COLUMN "delegation_info_type"."first_trustee_ellipsis" IS 'Ellipsis in delegation chain after "first_trustee"';
2853 COMMENT ON COLUMN "delegation_info_type"."other_trustee_id" IS 'Another relevant trustee (due to participation)';
2854 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)';
2855 COMMENT ON COLUMN "delegation_info_type"."other_trustee_ellipsis" IS 'Ellipsis in delegation chain after "other_trustee"';
2856 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';
2857 COMMENT ON COLUMN "delegation_info_type"."participating_member_id" IS 'First participating member in delegation chain';
2860 CREATE FUNCTION "delegation_info"
2861 ( "member_id_p" "member"."id"%TYPE,
2862 "unit_id_p" "unit"."id"%TYPE,
2863 "area_id_p" "area"."id"%TYPE,
2864 "issue_id_p" "issue"."id"%TYPE,
2865 "simulate_trustee_id_p" "member"."id"%TYPE DEFAULT NULL,
2866 "simulate_default_p" BOOLEAN DEFAULT FALSE )
2867 RETURNS "delegation_info_type"
2868 LANGUAGE 'plpgsql' STABLE AS $$
2869 DECLARE
2870 "current_row" "delegation_chain_row";
2871 "result" "delegation_info_type";
2872 BEGIN
2873 "result"."own_participation" := FALSE;
2874 FOR "current_row" IN
2875 SELECT * FROM "delegation_chain"(
2876 "member_id_p",
2877 "unit_id_p", "area_id_p", "issue_id_p",
2878 "simulate_trustee_id_p", "simulate_default_p")
2879 LOOP
2880 IF
2881 "result"."participating_member_id" ISNULL AND
2882 "current_row"."participation"
2883 THEN
2884 "result"."participating_member_id" := "current_row"."member_id";
2885 END IF;
2886 IF "current_row"."member_id" = "member_id_p" THEN
2887 "result"."own_participation" := "current_row"."participation";
2888 "result"."own_delegation_scope" := "current_row"."scope_out";
2889 IF "current_row"."loop" = 'first' THEN
2890 "result"."delegation_loop" := 'own';
2891 END IF;
2892 ELSIF
2893 "current_row"."member_valid" AND
2894 ( "current_row"."loop" ISNULL OR
2895 "current_row"."loop" != 'repetition' )
2896 THEN
2897 IF "result"."first_trustee_id" ISNULL THEN
2898 "result"."first_trustee_id" := "current_row"."member_id";
2899 "result"."first_trustee_participation" := "current_row"."participation";
2900 "result"."first_trustee_ellipsis" := FALSE;
2901 IF "current_row"."loop" = 'first' THEN
2902 "result"."delegation_loop" := 'first';
2903 END IF;
2904 ELSIF "result"."other_trustee_id" ISNULL THEN
2905 IF "current_row"."participation" AND NOT "current_row"."overridden" THEN
2906 "result"."other_trustee_id" := "current_row"."member_id";
2907 "result"."other_trustee_participation" := TRUE;
2908 "result"."other_trustee_ellipsis" := FALSE;
2909 IF "current_row"."loop" = 'first' THEN
2910 "result"."delegation_loop" := 'other';
2911 END IF;
2912 ELSE
2913 "result"."first_trustee_ellipsis" := TRUE;
2914 IF "current_row"."loop" = 'first' THEN
2915 "result"."delegation_loop" := 'first_ellipsis';
2916 END IF;
2917 END IF;
2918 ELSE
2919 "result"."other_trustee_ellipsis" := TRUE;
2920 IF "current_row"."loop" = 'first' THEN
2921 "result"."delegation_loop" := 'other_ellipsis';
2922 END IF;
2923 END IF;
2924 END IF;
2925 END LOOP;
2926 RETURN "result";
2927 END;
2928 $$;
2930 COMMENT ON FUNCTION "delegation_info"
2931 ( "member"."id"%TYPE,
2932 "unit"."id"%TYPE,
2933 "area"."id"%TYPE,
2934 "issue"."id"%TYPE,
2935 "member"."id"%TYPE,
2936 BOOLEAN )
2937 IS 'Notable information about a delegation chain for unit, area, or issue; See "delegation_info_type" for more information';
2941 ---------------------------
2942 -- Transaction isolation --
2943 ---------------------------
2946 CREATE FUNCTION "require_transaction_isolation"()
2947 RETURNS VOID
2948 LANGUAGE 'plpgsql' VOLATILE AS $$
2949 BEGIN
2950 IF
2951 current_setting('transaction_isolation') NOT IN
2952 ('repeatable read', 'serializable')
2953 THEN
2954 RAISE EXCEPTION 'Insufficient transaction isolation level' USING
2955 HINT = 'Consider using SET TRANSACTION ISOLATION LEVEL REPEATABLE READ.';
2956 END IF;
2957 RETURN;
2958 END;
2959 $$;
2961 COMMENT ON FUNCTION "require_transaction_isolation"() IS 'Throws an exception, if transaction isolation level is too low to provide a consistent snapshot';
2964 CREATE FUNCTION "dont_require_transaction_isolation"()
2965 RETURNS VOID
2966 LANGUAGE 'plpgsql' VOLATILE AS $$
2967 BEGIN
2968 IF
2969 current_setting('transaction_isolation') IN
2970 ('repeatable read', 'serializable')
2971 THEN
2972 RAISE WARNING 'Unneccessary transaction isolation level: %',
2973 current_setting('transaction_isolation');
2974 END IF;
2975 RETURN;
2976 END;
2977 $$;
2979 COMMENT ON FUNCTION "dont_require_transaction_isolation"() IS 'Raises a warning, if transaction isolation level is higher than READ COMMITTED';
2983 ------------------------------------------------------------------------
2984 -- Regular tasks, except calculcation of snapshots and voting results --
2985 ------------------------------------------------------------------------
2988 CREATE FUNCTION "check_activity"()
2989 RETURNS VOID
2990 LANGUAGE 'plpgsql' VOLATILE AS $$
2991 DECLARE
2992 "system_setting_row" "system_setting"%ROWTYPE;
2993 BEGIN
2994 PERFORM "dont_require_transaction_isolation"();
2995 SELECT * INTO "system_setting_row" FROM "system_setting";
2996 IF "system_setting_row"."member_ttl" NOTNULL THEN
2997 UPDATE "member" SET "active" = FALSE
2998 WHERE "active" = TRUE
2999 AND "last_activity" < (now() - "system_setting_row"."member_ttl")::DATE;
3000 END IF;
3001 RETURN;
3002 END;
3003 $$;
3005 COMMENT ON FUNCTION "check_activity"() IS 'Deactivates members when "last_activity" is older than "system_setting"."member_ttl".';
3008 CREATE FUNCTION "calculate_member_counts"()
3009 RETURNS VOID
3010 LANGUAGE 'plpgsql' VOLATILE AS $$
3011 BEGIN
3012 PERFORM "require_transaction_isolation"();
3013 DELETE FROM "member_count";
3014 INSERT INTO "member_count" ("total_count")
3015 SELECT "total_count" FROM "member_count_view";
3016 UPDATE "unit" SET "member_count" = "view"."member_count"
3017 FROM "unit_member_count" AS "view"
3018 WHERE "view"."unit_id" = "unit"."id";
3019 UPDATE "area" SET
3020 "direct_member_count" = "view"."direct_member_count",
3021 "member_weight" = "view"."member_weight"
3022 FROM "area_member_count" AS "view"
3023 WHERE "view"."area_id" = "area"."id";
3024 RETURN;
3025 END;
3026 $$;
3028 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"';
3032 ------------------------------------
3033 -- Calculation of harmonic weight --
3034 ------------------------------------
3037 CREATE VIEW "remaining_harmonic_supporter_weight" AS
3038 SELECT
3039 "direct_interest_snapshot"."issue_id",
3040 "direct_interest_snapshot"."event",
3041 "direct_interest_snapshot"."member_id",
3042 "direct_interest_snapshot"."weight" AS "weight_num",
3043 count("initiative"."id") AS "weight_den"
3044 FROM "issue"
3045 JOIN "direct_interest_snapshot"
3046 ON "issue"."id" = "direct_interest_snapshot"."issue_id"
3047 AND "issue"."latest_snapshot_event" = "direct_interest_snapshot"."event"
3048 JOIN "initiative"
3049 ON "issue"."id" = "initiative"."issue_id"
3050 AND "initiative"."harmonic_weight" ISNULL
3051 JOIN "direct_supporter_snapshot"
3052 ON "initiative"."id" = "direct_supporter_snapshot"."initiative_id"
3053 AND "direct_interest_snapshot"."event" = "direct_supporter_snapshot"."event"
3054 AND "direct_interest_snapshot"."member_id" = "direct_supporter_snapshot"."member_id"
3055 AND (
3056 "direct_supporter_snapshot"."satisfied" = TRUE OR
3057 coalesce("initiative"."admitted", FALSE) = FALSE
3058 )
3059 GROUP BY
3060 "direct_interest_snapshot"."issue_id",
3061 "direct_interest_snapshot"."event",
3062 "direct_interest_snapshot"."member_id",
3063 "direct_interest_snapshot"."weight";
3065 COMMENT ON VIEW "remaining_harmonic_supporter_weight" IS 'Helper view for function "set_harmonic_initiative_weights"';
3068 CREATE VIEW "remaining_harmonic_initiative_weight_summands" AS
3069 SELECT
3070 "initiative"."issue_id",
3071 "initiative"."id" AS "initiative_id",
3072 "initiative"."admitted",
3073 sum("remaining_harmonic_supporter_weight"."weight_num") AS "weight_num",
3074 "remaining_harmonic_supporter_weight"."weight_den"
3075 FROM "remaining_harmonic_supporter_weight"
3076 JOIN "initiative"
3077 ON "remaining_harmonic_supporter_weight"."issue_id" = "initiative"."issue_id"
3078 AND "initiative"."harmonic_weight" ISNULL
3079 JOIN "direct_supporter_snapshot"
3080 ON "initiative"."id" = "direct_supporter_snapshot"."initiative_id"
3081 AND "remaining_harmonic_supporter_weight"."event" = "direct_supporter_snapshot"."event"
3082 AND "remaining_harmonic_supporter_weight"."member_id" = "direct_supporter_snapshot"."member_id"
3083 AND (
3084 "direct_supporter_snapshot"."satisfied" = TRUE OR
3085 coalesce("initiative"."admitted", FALSE) = FALSE
3086 )
3087 GROUP BY
3088 "initiative"."issue_id",
3089 "initiative"."id",
3090 "initiative"."admitted",
3091 "remaining_harmonic_supporter_weight"."weight_den";
3093 COMMENT ON VIEW "remaining_harmonic_initiative_weight_summands" IS 'Helper view for function "set_harmonic_initiative_weights"';
3096 CREATE VIEW "remaining_harmonic_initiative_weight_dummies" AS
3097 SELECT
3098 "issue_id",
3099 "id" AS "initiative_id",
3100 "admitted",
3101 0 AS "weight_num",
3102 1 AS "weight_den"
3103 FROM "initiative"
3104 WHERE "harmonic_weight" ISNULL;
3106 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';
3109 CREATE FUNCTION "set_harmonic_initiative_weights"
3110 ( "issue_id_p" "issue"."id"%TYPE )
3111 RETURNS VOID
3112 LANGUAGE 'plpgsql' VOLATILE AS $$
3113 DECLARE
3114 "weight_row" "remaining_harmonic_initiative_weight_summands"%ROWTYPE;
3115 "i" INT4;
3116 "count_v" INT4;
3117 "summand_v" FLOAT;
3118 "id_ary" INT4[];
3119 "weight_ary" FLOAT[];
3120 "min_weight_v" FLOAT;
3121 BEGIN
3122 PERFORM "require_transaction_isolation"();
3123 UPDATE "initiative" SET "harmonic_weight" = NULL
3124 WHERE "issue_id" = "issue_id_p";
3125 LOOP
3126 "min_weight_v" := NULL;
3127 "i" := 0;
3128 "count_v" := 0;
3129 FOR "weight_row" IN
3130 SELECT * FROM "remaining_harmonic_initiative_weight_summands"
3131 WHERE "issue_id" = "issue_id_p"
3132 AND (
3133 coalesce("admitted", FALSE) = FALSE OR NOT EXISTS (
3134 SELECT NULL FROM "initiative"
3135 WHERE "issue_id" = "issue_id_p"
3136 AND "harmonic_weight" ISNULL
3137 AND coalesce("admitted", FALSE) = FALSE
3138 )
3139 )
3140 UNION ALL -- needed for corner cases
3141 SELECT * FROM "remaining_harmonic_initiative_weight_dummies"
3142 WHERE "issue_id" = "issue_id_p"
3143 AND (
3144 coalesce("admitted", FALSE) = FALSE OR NOT EXISTS (
3145 SELECT NULL FROM "initiative"
3146 WHERE "issue_id" = "issue_id_p"
3147 AND "harmonic_weight" ISNULL
3148 AND coalesce("admitted", FALSE) = FALSE
3149 )
3150 )
3151 ORDER BY "initiative_id" DESC, "weight_den" DESC
3152 -- NOTE: non-admitted initiatives placed first (at last positions),
3153 -- latest initiatives treated worse in case of tie
3154 LOOP
3155 "summand_v" := "weight_row"."weight_num"::FLOAT / "weight_row"."weight_den"::FLOAT;
3156 IF "i" = 0 OR "weight_row"."initiative_id" != "id_ary"["i"] THEN
3157 "i" := "i" + 1;
3158 "count_v" := "i";
3159 "id_ary"["i"] := "weight_row"."initiative_id";
3160 "weight_ary"["i"] := "summand_v";
3161 ELSE
3162 "weight_ary"["i"] := "weight_ary"["i"] + "summand_v";
3163 END IF;
3164 END LOOP;
3165 EXIT WHEN "count_v" = 0;
3166 "i" := 1;
3167 LOOP
3168 "weight_ary"["i"] := "weight_ary"["i"]::NUMERIC(18,9)::NUMERIC(12,3);
3169 IF "min_weight_v" ISNULL OR "weight_ary"["i"] < "min_weight_v" THEN
3170 "min_weight_v" := "weight_ary"["i"];
3171 END IF;
3172 "i" := "i" + 1;
3173 EXIT WHEN "i" > "count_v";
3174 END LOOP;
3175 "i" := 1;
3176 LOOP
3177 IF "weight_ary"["i"] = "min_weight_v" THEN
3178 UPDATE "initiative" SET "harmonic_weight" = "min_weight_v"
3179 WHERE "id" = "id_ary"["i"];
3180 EXIT;
3181 END IF;
3182 "i" := "i" + 1;
3183 END LOOP;
3184 END LOOP;
3185 UPDATE "initiative" SET "harmonic_weight" = 0
3186 WHERE "issue_id" = "issue_id_p" AND "harmonic_weight" ISNULL;
3187 END;
3188 $$;
3190 COMMENT ON FUNCTION "set_harmonic_initiative_weights"
3191 ( "issue"."id"%TYPE )
3192 IS 'Calculates and sets "harmonic_weight" of initiatives in a given issue';
3196 ------------------------------
3197 -- Calculation of snapshots --
3198 ------------------------------
3201 CREATE FUNCTION "weight_of_added_delegations_for_population_snapshot"
3202 ( "issue_id_p" "issue"."id"%TYPE,
3203 "member_id_p" "member"."id"%TYPE,
3204 "delegate_member_ids_p" "delegating_population_snapshot"."delegate_member_ids"%TYPE )
3205 RETURNS "direct_population_snapshot"."weight"%TYPE
3206 LANGUAGE 'plpgsql' VOLATILE AS $$
3207 DECLARE
3208 "issue_delegation_row" "issue_delegation"%ROWTYPE;
3209 "delegate_member_ids_v" "delegating_population_snapshot"."delegate_member_ids"%TYPE;
3210 "weight_v" INT4;
3211 "sub_weight_v" INT4;
3212 BEGIN
3213 PERFORM "require_transaction_isolation"();
3214 "weight_v" := 0;
3215 FOR "issue_delegation_row" IN
3216 SELECT * FROM "issue_delegation"
3217 WHERE "trustee_id" = "member_id_p"
3218 AND "issue_id" = "issue_id_p"
3219 LOOP
3220 IF NOT EXISTS (
3221 SELECT NULL FROM "direct_population_snapshot"
3222 WHERE "issue_id" = "issue_id_p"
3223 AND "event" = 'periodic'
3224 AND "member_id" = "issue_delegation_row"."truster_id"
3225 ) AND NOT EXISTS (
3226 SELECT NULL FROM "delegating_population_snapshot"
3227 WHERE "issue_id" = "issue_id_p"
3228 AND "event" = 'periodic'
3229 AND "member_id" = "issue_delegation_row"."truster_id"
3230 ) THEN
3231 "delegate_member_ids_v" :=
3232 "member_id_p" || "delegate_member_ids_p";
3233 INSERT INTO "delegating_population_snapshot" (
3234 "issue_id",
3235 "event",
3236 "member_id",
3237 "scope",
3238 "delegate_member_ids"
3239 ) VALUES (
3240 "issue_id_p",
3241 'periodic',
3242 "issue_delegation_row"."truster_id",
3243 "issue_delegation_row"."scope",
3244 "delegate_member_ids_v"
3245 );
3246 "sub_weight_v" := 1 +
3247 "weight_of_added_delegations_for_population_snapshot"(
3248 "issue_id_p",
3249 "issue_delegation_row"."truster_id",
3250 "delegate_member_ids_v"
3251 );
3252 UPDATE "delegating_population_snapshot"
3253 SET "weight" = "sub_weight_v"
3254 WHERE "issue_id" = "issue_id_p"
3255 AND "event" = 'periodic'
3256 AND "member_id" = "issue_delegation_row"."truster_id";
3257 "weight_v" := "weight_v" + "sub_weight_v";
3258 END IF;
3259 END LOOP;
3260 RETURN "weight_v";
3261 END;
3262 $$;
3264 COMMENT ON FUNCTION "weight_of_added_delegations_for_population_snapshot"
3265 ( "issue"."id"%TYPE,
3266 "member"."id"%TYPE,
3267 "delegating_population_snapshot"."delegate_member_ids"%TYPE )
3268 IS 'Helper function for "create_population_snapshot" function';
3271 CREATE FUNCTION "create_population_snapshot"
3272 ( "issue_id_p" "issue"."id"%TYPE )
3273 RETURNS VOID
3274 LANGUAGE 'plpgsql' VOLATILE AS $$
3275 DECLARE
3276 "member_id_v" "member"."id"%TYPE;
3277 BEGIN
3278 PERFORM "require_transaction_isolation"();
3279 DELETE FROM "direct_population_snapshot"
3280 WHERE "issue_id" = "issue_id_p"
3281 AND "event" = 'periodic';
3282 DELETE FROM "delegating_population_snapshot"
3283 WHERE "issue_id" = "issue_id_p"
3284 AND "event" = 'periodic';
3285 INSERT INTO "direct_population_snapshot"
3286 ("issue_id", "event", "member_id")
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 "membership" ON "area"."id" = "membership"."area_id"
3294 JOIN "member" ON "membership"."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 UNION
3301 SELECT
3302 "issue_id_p" AS "issue_id",
3303 'periodic'::"snapshot_event" AS "event",
3304 "member"."id" AS "member_id"
3305 FROM "issue"
3306 JOIN "area" ON "issue"."area_id" = "area"."id"
3307 JOIN "interest" ON "issue"."id" = "interest"."issue_id"
3308 JOIN "member" ON "interest"."member_id" = "member"."id"
3309 JOIN "privilege"
3310 ON "privilege"."unit_id" = "area"."unit_id"
3311 AND "privilege"."member_id" = "member"."id"
3312 WHERE "issue"."id" = "issue_id_p"
3313 AND "member"."active" AND "privilege"."voting_right";
3314 FOR "member_id_v" IN
3315 SELECT "member_id" FROM "direct_population_snapshot"
3316 WHERE "issue_id" = "issue_id_p"
3317 AND "event" = 'periodic'
3318 LOOP
3319 UPDATE "direct_population_snapshot" SET
3320 "weight" = 1 +
3321 "weight_of_added_delegations_for_population_snapshot"(
3322 "issue_id_p",
3323 "member_id_v",
3324 '{}'
3325 )
3326 WHERE "issue_id" = "issue_id_p"
3327 AND "event" = 'periodic'
3328 AND "member_id" = "member_id_v";
3329 END LOOP;
3330 RETURN;
3331 END;
3332 $$;
3334 COMMENT ON FUNCTION "create_population_snapshot"
3335 ( "issue"."id"%TYPE )
3336 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.';
3339 CREATE FUNCTION "weight_of_added_delegations_for_interest_snapshot"
3340 ( "issue_id_p" "issue"."id"%TYPE,
3341 "member_id_p" "member"."id"%TYPE,
3342 "delegate_member_ids_p" "delegating_interest_snapshot"."delegate_member_ids"%TYPE )
3343 RETURNS "direct_interest_snapshot"."weight"%TYPE
3344 LANGUAGE 'plpgsql' VOLATILE AS $$
3345 DECLARE
3346 "issue_delegation_row" "issue_delegation"%ROWTYPE;
3347 "delegate_member_ids_v" "delegating_interest_snapshot"."delegate_member_ids"%TYPE;
3348 "weight_v" INT4;
3349 "sub_weight_v" INT4;
3350 BEGIN
3351 PERFORM "require_transaction_isolation"();
3352 "weight_v" := 0;
3353 FOR "issue_delegation_row" IN
3354 SELECT * FROM "issue_delegation"
3355 WHERE "trustee_id" = "member_id_p"
3356 AND "issue_id" = "issue_id_p"
3357 LOOP
3358 IF NOT EXISTS (
3359 SELECT NULL FROM "direct_interest_snapshot"
3360 WHERE "issue_id" = "issue_id_p"
3361 AND "event" = 'periodic'
3362 AND "member_id" = "issue_delegation_row"."truster_id"
3363 ) AND NOT EXISTS (
3364 SELECT NULL FROM "delegating_interest_snapshot"
3365 WHERE "issue_id" = "issue_id_p"
3366 AND "event" = 'periodic'
3367 AND "member_id" = "issue_delegation_row"."truster_id"
3368 ) THEN
3369 "delegate_member_ids_v" :=
3370 "member_id_p" || "delegate_member_ids_p";
3371 INSERT INTO "delegating_interest_snapshot" (
3372 "issue_id",
3373 "event",
3374 "member_id",
3375 "scope",
3376 "delegate_member_ids"
3377 ) VALUES (
3378 "issue_id_p",
3379 'periodic',
3380 "issue_delegation_row"."truster_id",
3381 "issue_delegation_row"."scope",
3382 "delegate_member_ids_v"
3383 );
3384 "sub_weight_v" := 1 +
3385 "weight_of_added_delegations_for_interest_snapshot"(
3386 "issue_id_p",
3387 "issue_delegation_row"."truster_id",
3388 "delegate_member_ids_v"
3389 );
3390 UPDATE "delegating_interest_snapshot"
3391 SET "weight" = "sub_weight_v"
3392 WHERE "issue_id" = "issue_id_p"
3393 AND "event" = 'periodic'
3394 AND "member_id" = "issue_delegation_row"."truster_id";
3395 "weight_v" := "weight_v" + "sub_weight_v";
3396 END IF;
3397 END LOOP;
3398 RETURN "weight_v";
3399 END;
3400 $$;
3402 COMMENT ON FUNCTION "weight_of_added_delegations_for_interest_snapshot"
3403 ( "issue"."id"%TYPE,
3404 "member"."id"%TYPE,
3405 "delegating_interest_snapshot"."delegate_member_ids"%TYPE )
3406 IS 'Helper function for "create_interest_snapshot" function';
3409 CREATE FUNCTION "create_interest_snapshot"
3410 ( "issue_id_p" "issue"."id"%TYPE )
3411 RETURNS VOID
3412 LANGUAGE 'plpgsql' VOLATILE AS $$
3413 DECLARE
3414 "member_id_v" "member"."id"%TYPE;
3415 BEGIN
3416 PERFORM "require_transaction_isolation"();
3417 DELETE FROM "direct_interest_snapshot"
3418 WHERE "issue_id" = "issue_id_p"
3419 AND "event" = 'periodic';
3420 DELETE FROM "delegating_interest_snapshot"
3421 WHERE "issue_id" = "issue_id_p"
3422 AND "event" = 'periodic';
3423 DELETE FROM "direct_supporter_snapshot"
3424 USING "initiative" -- NOTE: due to missing index on issue_id
3425 WHERE "initiative"."issue_id" = "issue_id_p"
3426 AND "direct_supporter_snapshot"."initiative_id" = "initiative"."id"
3427 AND "direct_supporter_snapshot"."event" = 'periodic';
3428 INSERT INTO "direct_interest_snapshot"
3429 ("issue_id", "event", "member_id")
3430 SELECT
3431 "issue_id_p" AS "issue_id",
3432 'periodic' AS "event",
3433 "member"."id" AS "member_id"
3434 FROM "issue"
3435 JOIN "area" ON "issue"."area_id" = "area"."id"
3436 JOIN "interest" ON "issue"."id" = "interest"."issue_id"
3437 JOIN "member" ON "interest"."member_id" = "member"."id"
3438 JOIN "privilege"
3439 ON "privilege"."unit_id" = "area"."unit_id"
3440 AND "privilege"."member_id" = "member"."id"
3441 WHERE "issue"."id" = "issue_id_p"
3442 AND "member"."active" AND "privilege"."voting_right";
3443 FOR "member_id_v" IN
3444 SELECT "member_id" FROM "direct_interest_snapshot"
3445 WHERE "issue_id" = "issue_id_p"
3446 AND "event" = 'periodic'
3447 LOOP
3448 UPDATE "direct_interest_snapshot" SET
3449 "weight" = 1 +
3450 "weight_of_added_delegations_for_interest_snapshot"(
3451 "issue_id_p",
3452 "member_id_v",
3453 '{}'
3454 )
3455 WHERE "issue_id" = "issue_id_p"
3456 AND "event" = 'periodic'
3457 AND "member_id" = "member_id_v";
3458 END LOOP;
3459 INSERT INTO "direct_supporter_snapshot"
3460 ( "issue_id", "initiative_id", "event", "member_id",
3461 "draft_id", "informed", "satisfied" )
3462 SELECT
3463 "issue_id_p" AS "issue_id",
3464 "initiative"."id" AS "initiative_id",
3465 'periodic' AS "event",
3466 "supporter"."member_id" AS "member_id",
3467 "supporter"."draft_id" AS "draft_id",
3468 "supporter"."draft_id" = "current_draft"."id" AS "informed",
3469 NOT EXISTS (
3470 SELECT NULL FROM "critical_opinion"
3471 WHERE "initiative_id" = "initiative"."id"
3472 AND "member_id" = "supporter"."member_id"
3473 ) AS "satisfied"
3474 FROM "initiative"
3475 JOIN "supporter"
3476 ON "supporter"."initiative_id" = "initiative"."id"
3477 JOIN "current_draft"
3478 ON "initiative"."id" = "current_draft"."initiative_id"
3479 JOIN "direct_interest_snapshot"
3480 ON "supporter"."member_id" = "direct_interest_snapshot"."member_id"
3481 AND "initiative"."issue_id" = "direct_interest_snapshot"."issue_id"
3482 AND "event" = 'periodic'
3483 WHERE "initiative"."issue_id" = "issue_id_p";
3484 RETURN;
3485 END;
3486 $$;
3488 COMMENT ON FUNCTION "create_interest_snapshot"
3489 ( "issue"."id"%TYPE )
3490 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.';
3493 CREATE FUNCTION "create_snapshot"
3494 ( "issue_id_p" "issue"."id"%TYPE )
3495 RETURNS VOID
3496 LANGUAGE 'plpgsql' VOLATILE AS $$
3497 DECLARE
3498 "initiative_id_v" "initiative"."id"%TYPE;
3499 "suggestion_id_v" "suggestion"."id"%TYPE;
3500 BEGIN
3501 PERFORM "require_transaction_isolation"();
3502 PERFORM "create_population_snapshot"("issue_id_p");
3503 PERFORM "create_interest_snapshot"("issue_id_p");
3504 UPDATE "issue" SET
3505 "snapshot" = coalesce("phase_finished", now()),
3506 "latest_snapshot_event" = 'periodic',
3507 "population" = (
3508 SELECT coalesce(sum("weight"), 0)
3509 FROM "direct_population_snapshot"
3510 WHERE "issue_id" = "issue_id_p"
3511 AND "event" = 'periodic'
3512 )
3513 WHERE "id" = "issue_id_p";
3514 FOR "initiative_id_v" IN
3515 SELECT "id" FROM "initiative" WHERE "issue_id" = "issue_id_p"
3516 LOOP
3517 UPDATE "initiative" SET
3518 "supporter_count" = (
3519 SELECT coalesce(sum("di"."weight"), 0)
3520 FROM "direct_interest_snapshot" AS "di"
3521 JOIN "direct_supporter_snapshot" AS "ds"
3522 ON "di"."member_id" = "ds"."member_id"
3523 WHERE "di"."issue_id" = "issue_id_p"
3524 AND "di"."event" = 'periodic'
3525 AND "ds"."initiative_id" = "initiative_id_v"
3526 AND "ds"."event" = 'periodic'
3527 ),
3528 "informed_supporter_count" = (
3529 SELECT coalesce(sum("di"."weight"), 0)
3530 FROM "direct_interest_snapshot" AS "di"
3531 JOIN "direct_supporter_snapshot" AS "ds"
3532 ON "di"."member_id" = "ds"."member_id"
3533 WHERE "di"."issue_id" = "issue_id_p"
3534 AND "di"."event" = 'periodic'
3535 AND "ds"."initiative_id" = "initiative_id_v"
3536 AND "ds"."event" = 'periodic'
3537 AND "ds"."informed"
3538 ),
3539 "satisfied_supporter_count" = (
3540 SELECT coalesce(sum("di"."weight"), 0)
3541 FROM "direct_interest_snapshot" AS "di"
3542 JOIN "direct_supporter_snapshot" AS "ds"
3543 ON "di"."member_id" = "ds"."member_id"
3544 WHERE "di"."issue_id" = "issue_id_p"
3545 AND "di"."event" = 'periodic'
3546 AND "ds"."initiative_id" = "initiative_id_v"
3547 AND "ds"."event" = 'periodic'
3548 AND "ds"."satisfied"
3549 ),
3550 "satisfied_informed_supporter_count" = (
3551 SELECT coalesce(sum("di"."weight"), 0)
3552 FROM "direct_interest_snapshot" AS "di"
3553 JOIN "direct_supporter_snapshot" AS "ds"
3554 ON "di"."member_id" = "ds"."member_id"
3555 WHERE "di"."issue_id" = "issue_id_p"
3556 AND "di"."event" = 'periodic'
3557 AND "ds"."initiative_id" = "initiative_id_v"
3558 AND "ds"."event" = 'periodic'
3559 AND "ds"."informed"
3560 AND "ds"."satisfied"
3561 )
3562 WHERE "id" = "initiative_id_v";
3563 FOR "suggestion_id_v" IN
3564 SELECT "id" FROM "suggestion"
3565 WHERE "initiative_id" = "initiative_id_v"
3566 LOOP
3567 UPDATE "suggestion" SET
3568 "minus2_unfulfilled_count" = (
3569 SELECT coalesce(sum("snapshot"."weight"), 0)
3570 FROM "issue" CROSS JOIN "opinion"
3571 JOIN "direct_interest_snapshot" AS "snapshot"
3572 ON "snapshot"."issue_id" = "issue"."id"
3573 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3574 AND "snapshot"."member_id" = "opinion"."member_id"
3575 WHERE "issue"."id" = "issue_id_p"
3576 AND "opinion"."suggestion_id" = "suggestion_id_v"
3577 AND "opinion"."degree" = -2
3578 AND "opinion"."fulfilled" = FALSE
3579 ),
3580 "minus2_fulfilled_count" = (
3581 SELECT coalesce(sum("snapshot"."weight"), 0)
3582 FROM "issue" CROSS JOIN "opinion"
3583 JOIN "direct_interest_snapshot" AS "snapshot"
3584 ON "snapshot"."issue_id" = "issue"."id"
3585 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3586 AND "snapshot"."member_id" = "opinion"."member_id"
3587 WHERE "issue"."id" = "issue_id_p"
3588 AND "opinion"."suggestion_id" = "suggestion_id_v"
3589 AND "opinion"."degree" = -2
3590 AND "opinion"."fulfilled" = TRUE
3591 ),
3592 "minus1_unfulfilled_count" = (
3593 SELECT coalesce(sum("snapshot"."weight"), 0)
3594 FROM "issue" CROSS JOIN "opinion"
3595 JOIN "direct_interest_snapshot" AS "snapshot"
3596 ON "snapshot"."issue_id" = "issue"."id"
3597 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3598 AND "snapshot"."member_id" = "opinion"."member_id"
3599 WHERE "issue"."id" = "issue_id_p"
3600 AND "opinion"."suggestion_id" = "suggestion_id_v"
3601 AND "opinion"."degree" = -1
3602 AND "opinion"."fulfilled" = FALSE
3603 ),
3604 "minus1_fulfilled_count" = (
3605 SELECT coalesce(sum("snapshot"."weight"), 0)
3606 FROM "issue" CROSS JOIN "opinion"
3607 JOIN "direct_interest_snapshot" AS "snapshot"
3608 ON "snapshot"."issue_id" = "issue"."id"
3609 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3610 AND "snapshot"."member_id" = "opinion"."member_id"
3611 WHERE "issue"."id" = "issue_id_p"
3612 AND "opinion"."suggestion_id" = "suggestion_id_v"
3613 AND "opinion"."degree" = -1
3614 AND "opinion"."fulfilled" = TRUE
3615 ),
3616 "plus1_unfulfilled_count" = (
3617 SELECT coalesce(sum("snapshot"."weight"), 0)
3618 FROM "issue" CROSS JOIN "opinion"
3619 JOIN "direct_interest_snapshot" AS "snapshot"
3620 ON "snapshot"."issue_id" = "issue"."id"
3621 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3622 AND "snapshot"."member_id" = "opinion"."member_id"
3623 WHERE "issue"."id" = "issue_id_p"
3624 AND "opinion"."suggestion_id" = "suggestion_id_v"
3625 AND "opinion"."degree" = 1
3626 AND "opinion"."fulfilled" = FALSE
3627 ),
3628 "plus1_fulfilled_count" = (
3629 SELECT coalesce(sum("snapshot"."weight"), 0)
3630 FROM "issue" CROSS JOIN "opinion"
3631 JOIN "direct_interest_snapshot" AS "snapshot"
3632 ON "snapshot"."issue_id" = "issue"."id"
3633 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3634 AND "snapshot"."member_id" = "opinion"."member_id"
3635 WHERE "issue"."id" = "issue_id_p"
3636 AND "opinion"."suggestion_id" = "suggestion_id_v"
3637 AND "opinion"."degree" = 1
3638 AND "opinion"."fulfilled" = TRUE
3639 ),
3640 "plus2_unfulfilled_count" = (
3641 SELECT coalesce(sum("snapshot"."weight"), 0)
3642 FROM "issue" CROSS JOIN "opinion"
3643 JOIN "direct_interest_snapshot" AS "snapshot"
3644 ON "snapshot"."issue_id" = "issue"."id"
3645 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3646 AND "snapshot"."member_id" = "opinion"."member_id"
3647 WHERE "issue"."id" = "issue_id_p"
3648 AND "opinion"."suggestion_id" = "suggestion_id_v"
3649 AND "opinion"."degree" = 2
3650 AND "opinion"."fulfilled" = FALSE
3651 ),
3652 "plus2_fulfilled_count" = (
3653 SELECT coalesce(sum("snapshot"."weight"), 0)
3654 FROM "issue" CROSS JOIN "opinion"
3655 JOIN "direct_interest_snapshot" AS "snapshot"
3656 ON "snapshot"."issue_id" = "issue"."id"
3657 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3658 AND "snapshot"."member_id" = "opinion"."member_id"
3659 WHERE "issue"."id" = "issue_id_p"
3660 AND "opinion"."suggestion_id" = "suggestion_id_v"
3661 AND "opinion"."degree" = 2
3662 AND "opinion"."fulfilled" = TRUE
3663 )
3664 WHERE "suggestion"."id" = "suggestion_id_v";
3665 END LOOP;
3666 END LOOP;
3667 RETURN;
3668 END;
3669 $$;
3671 COMMENT ON FUNCTION "create_snapshot"
3672 ( "issue"."id"%TYPE )
3673 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.';
3676 CREATE FUNCTION "set_snapshot_event"
3677 ( "issue_id_p" "issue"."id"%TYPE,
3678 "event_p" "snapshot_event" )
3679 RETURNS VOID
3680 LANGUAGE 'plpgsql' VOLATILE AS $$
3681 DECLARE
3682 "event_v" "issue"."latest_snapshot_event"%TYPE;
3683 BEGIN
3684 PERFORM "require_transaction_isolation"();
3685 SELECT "latest_snapshot_event" INTO "event_v" FROM "issue"
3686 WHERE "id" = "issue_id_p" FOR UPDATE;
3687 UPDATE "issue" SET "latest_snapshot_event" = "event_p"
3688 WHERE "id" = "issue_id_p";
3689 UPDATE "direct_population_snapshot" SET "event" = "event_p"
3690 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
3691 UPDATE "delegating_population_snapshot" SET "event" = "event_p"
3692 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
3693 UPDATE "direct_interest_snapshot" SET "event" = "event_p"
3694 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
3695 UPDATE "delegating_interest_snapshot" SET "event" = "event_p"
3696 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
3697 UPDATE "direct_supporter_snapshot" SET "event" = "event_p"
3698 FROM "initiative" -- NOTE: due to missing index on issue_id
3699 WHERE "initiative"."issue_id" = "issue_id_p"
3700 AND "direct_supporter_snapshot"."initiative_id" = "initiative"."id"
3701 AND "direct_supporter_snapshot"."event" = "event_v";
3702 RETURN;
3703 END;
3704 $$;
3706 COMMENT ON FUNCTION "set_snapshot_event"
3707 ( "issue"."id"%TYPE,
3708 "snapshot_event" )
3709 IS 'Change "event" attribute of the previous ''periodic'' snapshot';
3713 -----------------------
3714 -- Counting of votes --
3715 -----------------------
3718 CREATE FUNCTION "weight_of_added_vote_delegations"
3719 ( "issue_id_p" "issue"."id"%TYPE,
3720 "member_id_p" "member"."id"%TYPE,
3721 "delegate_member_ids_p" "delegating_voter"."delegate_member_ids"%TYPE )
3722 RETURNS "direct_voter"."weight"%TYPE
3723 LANGUAGE 'plpgsql' VOLATILE AS $$
3724 DECLARE
3725 "issue_delegation_row" "issue_delegation"%ROWTYPE;
3726 "delegate_member_ids_v" "delegating_voter"."delegate_member_ids"%TYPE;
3727 "weight_v" INT4;
3728 "sub_weight_v" INT4;
3729 BEGIN
3730 PERFORM "require_transaction_isolation"();
3731 "weight_v" := 0;
3732 FOR "issue_delegation_row" IN
3733 SELECT * FROM "issue_delegation"
3734 WHERE "trustee_id" = "member_id_p"
3735 AND "issue_id" = "issue_id_p"
3736 LOOP
3737 IF NOT EXISTS (
3738 SELECT NULL FROM "direct_voter"
3739 WHERE "member_id" = "issue_delegation_row"."truster_id"
3740 AND "issue_id" = "issue_id_p"
3741 ) AND NOT EXISTS (
3742 SELECT NULL FROM "delegating_voter"
3743 WHERE "member_id" = "issue_delegation_row"."truster_id"
3744 AND "issue_id" = "issue_id_p"
3745 ) THEN
3746 "delegate_member_ids_v" :=
3747 "member_id_p" || "delegate_member_ids_p";
3748 INSERT INTO "delegating_voter" (
3749 "issue_id",
3750 "member_id",
3751 "scope",
3752 "delegate_member_ids"
3753 ) VALUES (
3754 "issue_id_p",
3755 "issue_delegation_row"."truster_id",
3756 "issue_delegation_row"."scope",
3757 "delegate_member_ids_v"
3758 );
3759 "sub_weight_v" := 1 +
3760 "weight_of_added_vote_delegations"(
3761 "issue_id_p",
3762 "issue_delegation_row"."truster_id",
3763 "delegate_member_ids_v"
3764 );
3765 UPDATE "delegating_voter"
3766 SET "weight" = "sub_weight_v"
3767 WHERE "issue_id" = "issue_id_p"
3768 AND "member_id" = "issue_delegation_row"."truster_id";
3769 "weight_v" := "weight_v" + "sub_weight_v";
3770 END IF;
3771 END LOOP;
3772 RETURN "weight_v";
3773 END;
3774 $$;
3776 COMMENT ON FUNCTION "weight_of_added_vote_delegations"
3777 ( "issue"."id"%TYPE,
3778 "member"."id"%TYPE,
3779 "delegating_voter"."delegate_member_ids"%TYPE )
3780 IS 'Helper function for "add_vote_delegations" function';
3783 CREATE FUNCTION "add_vote_delegations"
3784 ( "issue_id_p" "issue"."id"%TYPE )
3785 RETURNS VOID
3786 LANGUAGE 'plpgsql' VOLATILE AS $$
3787 DECLARE
3788 "member_id_v" "member"."id"%TYPE;
3789 BEGIN
3790 PERFORM "require_transaction_isolation"();
3791 FOR "member_id_v" IN
3792 SELECT "member_id" FROM "direct_voter"
3793 WHERE "issue_id" = "issue_id_p"
3794 LOOP
3795 UPDATE "direct_voter" SET
3796 "weight" = "weight" + "weight_of_added_vote_delegations"(
3797 "issue_id_p",
3798 "member_id_v",
3799 '{}'
3800 )
3801 WHERE "member_id" = "member_id_v"
3802 AND "issue_id" = "issue_id_p";
3803 END LOOP;
3804 RETURN;
3805 END;
3806 $$;
3808 COMMENT ON FUNCTION "add_vote_delegations"
3809 ( "issue_id_p" "issue"."id"%TYPE )
3810 IS 'Helper function for "close_voting" function';
3813 CREATE FUNCTION "close_voting"("issue_id_p" "issue"."id"%TYPE)
3814 RETURNS VOID
3815 LANGUAGE 'plpgsql' VOLATILE AS $$
3816 DECLARE
3817 "area_id_v" "area"."id"%TYPE;
3818 "unit_id_v" "unit"."id"%TYPE;
3819 "member_id_v" "member"."id"%TYPE;
3820 BEGIN
3821 PERFORM "require_transaction_isolation"();
3822 SELECT "area_id" INTO "area_id_v" FROM "issue" WHERE "id" = "issue_id_p";
3823 SELECT "unit_id" INTO "unit_id_v" FROM "area" WHERE "id" = "area_id_v";
3824 -- override protection triggers:
3825 INSERT INTO "temporary_transaction_data" ("key", "value")
3826 VALUES ('override_protection_triggers', TRUE::TEXT);
3827 -- delete timestamp of voting comment:
3828 UPDATE "direct_voter" SET "comment_changed" = NULL
3829 WHERE "issue_id" = "issue_id_p";
3830 -- delete delegating votes (in cases of manual reset of issue state):
3831 DELETE FROM "delegating_voter"
3832 WHERE "issue_id" = "issue_id_p";
3833 -- delete votes from non-privileged voters:
3834 DELETE FROM "direct_voter"
3835 USING (
3836 SELECT
3837 "direct_voter"."member_id"
3838 FROM "direct_voter"
3839 JOIN "member" ON "direct_voter"."member_id" = "member"."id"
3840 LEFT JOIN "privilege"
3841 ON "privilege"."unit_id" = "unit_id_v"
3842 AND "privilege"."member_id" = "direct_voter"."member_id"
3843 WHERE "direct_voter"."issue_id" = "issue_id_p" AND (
3844 "member"."active" = FALSE OR
3845 "privilege"."voting_right" ISNULL OR
3846 "privilege"."voting_right" = FALSE
3847 )
3848 ) AS "subquery"
3849 WHERE "direct_voter"."issue_id" = "issue_id_p"
3850 AND "direct_voter"."member_id" = "subquery"."member_id";
3851 -- consider delegations:
3852 UPDATE "direct_voter" SET "weight" = 1
3853 WHERE "issue_id" = "issue_id_p";
3854 PERFORM "add_vote_delegations"("issue_id_p");
3855 -- mark first preferences:
3856 UPDATE "vote" SET "first_preference" = "subquery"."first_preference"
3857 FROM (
3858 SELECT
3859 "vote"."initiative_id",
3860 "vote"."member_id",
3861 CASE WHEN "vote"."grade" > 0 THEN
3862 CASE WHEN "vote"."grade" = max("agg"."grade") THEN TRUE ELSE FALSE END
3863 ELSE NULL
3864 END AS "first_preference"
3865 FROM "vote"
3866 JOIN "initiative" -- NOTE: due to missing index on issue_id
3867 ON "vote"."issue_id" = "initiative"."issue_id"
3868 JOIN "vote" AS "agg"
3869 ON "initiative"."id" = "agg"."initiative_id"
3870 AND "vote"."member_id" = "agg"."member_id"
3871 GROUP BY "vote"."initiative_id", "vote"."member_id", "vote"."grade"
3872 ) AS "subquery"
3873 WHERE "vote"."issue_id" = "issue_id_p"
3874 AND "vote"."initiative_id" = "subquery"."initiative_id"
3875 AND "vote"."member_id" = "subquery"."member_id";
3876 -- finish overriding protection triggers (avoids garbage):
3877 DELETE FROM "temporary_transaction_data"
3878 WHERE "key" = 'override_protection_triggers';
3879 -- materialize battle_view:
3880 -- NOTE: "closed" column of issue must be set at this point
3881 DELETE FROM "battle" WHERE "issue_id" = "issue_id_p";
3882 INSERT INTO "battle" (
3883 "issue_id",
3884 "winning_initiative_id", "losing_initiative_id",
3885 "count"
3886 ) SELECT
3887 "issue_id",
3888 "winning_initiative_id", "losing_initiative_id",
3889 "count"
3890 FROM "battle_view" WHERE "issue_id" = "issue_id_p";
3891 -- set voter count:
3892 UPDATE "issue" SET
3893 "voter_count" = (
3894 SELECT coalesce(sum("weight"), 0)
3895 FROM "direct_voter" WHERE "issue_id" = "issue_id_p"
3896 )
3897 WHERE "id" = "issue_id_p";
3898 -- copy "positive_votes" and "negative_votes" from "battle" table:
3899 -- NOTE: "first_preference_votes" is set to a default of 0 at this step
3900 UPDATE "initiative" SET
3901 "first_preference_votes" = 0,
3902 "positive_votes" = "battle_win"."count",
3903 "negative_votes" = "battle_lose"."count"
3904 FROM "battle" AS "battle_win", "battle" AS "battle_lose"
3905 WHERE
3906 "battle_win"."issue_id" = "issue_id_p" AND
3907 "battle_win"."winning_initiative_id" = "initiative"."id" AND
3908 "battle_win"."losing_initiative_id" ISNULL AND
3909 "battle_lose"."issue_id" = "issue_id_p" AND
3910 "battle_lose"."losing_initiative_id" = "initiative"."id" AND
3911 "battle_lose"."winning_initiative_id" ISNULL;
3912 -- calculate "first_preference_votes":
3913 -- NOTE: will only set values not equal to zero
3914 UPDATE "initiative" SET "first_preference_votes" = "subquery"."sum"
3915 FROM (
3916 SELECT "vote"."initiative_id", sum("direct_voter"."weight")
3917 FROM "vote" JOIN "direct_voter"
3918 ON "vote"."issue_id" = "direct_voter"."issue_id"
3919 AND "vote"."member_id" = "direct_voter"."member_id"
3920 WHERE "vote"."first_preference"
3921 GROUP BY "vote"."initiative_id"
3922 ) AS "subquery"
3923 WHERE "initiative"."issue_id" = "issue_id_p"
3924 AND "initiative"."admitted"
3925 AND "initiative"."id" = "subquery"."initiative_id";
3926 END;
3927 $$;
3929 COMMENT ON FUNCTION "close_voting"
3930 ( "issue"."id"%TYPE )
3931 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.';
3934 CREATE FUNCTION "defeat_strength"
3935 ( "positive_votes_p" INT4,
3936 "negative_votes_p" INT4,
3937 "defeat_strength_p" "defeat_strength" )
3938 RETURNS INT8
3939 LANGUAGE 'plpgsql' IMMUTABLE AS $$
3940 BEGIN
3941 IF "defeat_strength_p" = 'simple'::"defeat_strength" THEN
3942 IF "positive_votes_p" > "negative_votes_p" THEN
3943 RETURN "positive_votes_p";
3944 ELSE
3945 RETURN 0;
3946 END IF;
3947 ELSE
3948 IF "positive_votes_p" > "negative_votes_p" THEN
3949 RETURN ("positive_votes_p"::INT8 << 31) - "negative_votes_p"::INT8;
3950 ELSIF "positive_votes_p" = "negative_votes_p" THEN
3951 RETURN 0;
3952 ELSE
3953 RETURN -1;
3954 END IF;
3955 END IF;
3956 END;
3957 $$;
3959 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")';
3962 CREATE FUNCTION "secondary_link_strength"
3963 ( "initiative1_ord_p" INT4,
3964 "initiative2_ord_p" INT4,
3965 "tie_breaking_p" "tie_breaking" )
3966 RETURNS INT8
3967 LANGUAGE 'plpgsql' IMMUTABLE AS $$
3968 BEGIN
3969 IF "initiative1_ord_p" = "initiative2_ord_p" THEN
3970 RAISE EXCEPTION 'Identical initiative ids passed to "secondary_link_strength" function (should not happen)';
3971 END IF;
3972 RETURN (
3973 CASE WHEN "tie_breaking_p" = 'simple'::"tie_breaking" THEN
3974 0
3975 ELSE
3976 CASE WHEN "initiative1_ord_p" < "initiative2_ord_p" THEN
3977 1::INT8 << 62
3978 ELSE 0 END
3979 +
3980 CASE WHEN "tie_breaking_p" = 'variant2'::"tie_breaking" THEN
3981 ("initiative2_ord_p"::INT8 << 31) - "initiative1_ord_p"::INT8
3982 ELSE
3983 "initiative2_ord_p"::INT8 - ("initiative1_ord_p"::INT8 << 31)
3984 END
3985 END
3986 );
3987 END;
3988 $$;
3990 COMMENT ON FUNCTION "secondary_link_strength"(INT4, INT4, "tie_breaking") IS 'Calculates a secondary criterion for the defeat strength (tie-breaking of the links)';
3993 CREATE TYPE "link_strength" AS (
3994 "primary" INT8,
3995 "secondary" INT8 );
3997 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'')';
4000 CREATE FUNCTION "find_best_paths"("matrix_d" "link_strength"[][])
4001 RETURNS "link_strength"[][]
4002 LANGUAGE 'plpgsql' IMMUTABLE AS $$
4003 DECLARE
4004 "dimension_v" INT4;
4005 "matrix_p" "link_strength"[][];
4006 "i" INT4;
4007 "j" INT4;
4008 "k" INT4;
4009 BEGIN
4010 "dimension_v" := array_upper("matrix_d", 1);
4011 "matrix_p" := "matrix_d";
4012 "i" := 1;
4013 LOOP
4014 "j" := 1;
4015 LOOP
4016 IF "i" != "j" THEN
4017 "k" := 1;
4018 LOOP
4019 IF "i" != "k" AND "j" != "k" THEN
4020 IF "matrix_p"["j"]["i"] < "matrix_p"["i"]["k"] THEN
4021 IF "matrix_p"["j"]["i"] > "matrix_p"["j"]["k"] THEN
4022 "matrix_p"["j"]["k"] := "matrix_p"["j"]["i"];
4023 END IF;
4024 ELSE
4025 IF "matrix_p"["i"]["k"] > "matrix_p"["j"]["k"] THEN
4026 "matrix_p"["j"]["k"] := "matrix_p"["i"]["k"];
4027 END IF;
4028 END IF;
4029 END IF;
4030 EXIT WHEN "k" = "dimension_v";
4031 "k" := "k" + 1;
4032 END LOOP;
4033 END IF;
4034 EXIT WHEN "j" = "dimension_v";
4035 "j" := "j" + 1;
4036 END LOOP;
4037 EXIT WHEN "i" = "dimension_v";
4038 "i" := "i" + 1;
4039 END LOOP;
4040 RETURN "matrix_p";
4041 END;
4042 $$;
4044 COMMENT ON FUNCTION "find_best_paths"("link_strength"[][]) IS 'Computes the strengths of the best beat-paths from a square matrix';
4047 CREATE FUNCTION "calculate_ranks"("issue_id_p" "issue"."id"%TYPE)
4048 RETURNS VOID
4049 LANGUAGE 'plpgsql' VOLATILE AS $$
4050 DECLARE
4051 "issue_row" "issue"%ROWTYPE;
4052 "policy_row" "policy"%ROWTYPE;
4053 "dimension_v" INT4;
4054 "matrix_a" INT4[][]; -- absolute votes
4055 "matrix_d" "link_strength"[][]; -- defeat strength (direct)
4056 "matrix_p" "link_strength"[][]; -- defeat strength (best path)
4057 "matrix_t" "link_strength"[][]; -- defeat strength (tie-breaking)
4058 "matrix_f" BOOLEAN[][]; -- forbidden link (tie-breaking)
4059 "matrix_b" BOOLEAN[][]; -- final order (who beats who)
4060 "i" INT4;
4061 "j" INT4;
4062 "m" INT4;
4063 "n" INT4;
4064 "battle_row" "battle"%ROWTYPE;
4065 "rank_ary" INT4[];
4066 "rank_v" INT4;
4067 "initiative_id_v" "initiative"."id"%TYPE;
4068 BEGIN
4069 PERFORM "require_transaction_isolation"();
4070 SELECT * INTO "issue_row"
4071 FROM "issue" WHERE "id" = "issue_id_p";
4072 SELECT * INTO "policy_row"
4073 FROM "policy" WHERE "id" = "issue_row"."policy_id";
4074 SELECT count(1) INTO "dimension_v"
4075 FROM "battle_participant" WHERE "issue_id" = "issue_id_p";
4076 -- create "matrix_a" with absolute number of votes in pairwise
4077 -- comparison:
4078 "matrix_a" := array_fill(NULL::INT4, ARRAY["dimension_v", "dimension_v"]);
4079 "i" := 1;
4080 "j" := 2;
4081 FOR "battle_row" IN
4082 SELECT * FROM "battle" WHERE "issue_id" = "issue_id_p"
4083 ORDER BY
4084 "winning_initiative_id" NULLS FIRST,
4085 "losing_initiative_id" NULLS FIRST
4086 LOOP
4087 "matrix_a"["i"]["j"] := "battle_row"."count";
4088 IF "j" = "dimension_v" THEN
4089 "i" := "i" + 1;
4090 "j" := 1;
4091 ELSE
4092 "j" := "j" + 1;
4093 IF "j" = "i" THEN
4094 "j" := "j" + 1;
4095 END IF;
4096 END IF;
4097 END LOOP;
4098 IF "i" != "dimension_v" OR "j" != "dimension_v" + 1 THEN
4099 RAISE EXCEPTION 'Wrong battle count (should not happen)';
4100 END IF;
4101 -- store direct defeat strengths in "matrix_d" using "defeat_strength"
4102 -- and "secondary_link_strength" functions:
4103 "matrix_d" := array_fill(NULL::INT8, ARRAY["dimension_v", "dimension_v"]);
4104 "i" := 1;
4105 LOOP
4106 "j" := 1;
4107 LOOP
4108 IF "i" != "j" THEN
4109 "matrix_d"["i"]["j"] := (
4110 "defeat_strength"(
4111 "matrix_a"["i"]["j"],
4112 "matrix_a"["j"]["i"],
4113 "policy_row"."defeat_strength"
4114 ),
4115 "secondary_link_strength"(
4116 "i",
4117 "j",
4118 "policy_row"."tie_breaking"
4119 )
4120 )::"link_strength";
4121 END IF;
4122 EXIT WHEN "j" = "dimension_v";
4123 "j" := "j" + 1;
4124 END LOOP;
4125 EXIT WHEN "i" = "dimension_v";
4126 "i" := "i" + 1;
4127 END LOOP;
4128 -- find best paths:
4129 "matrix_p" := "find_best_paths"("matrix_d");
4130 -- create partial order:
4131 "matrix_b" := array_fill(NULL::BOOLEAN, ARRAY["dimension_v", "dimension_v"]);
4132 "i" := 1;
4133 LOOP
4134 "j" := "i" + 1;
4135 LOOP
4136 IF "i" != "j" THEN
4137 IF "matrix_p"["i"]["j"] > "matrix_p"["j"]["i"] THEN
4138 "matrix_b"["i"]["j"] := TRUE;
4139 "matrix_b"["j"]["i"] := FALSE;
4140 ELSIF "matrix_p"["i"]["j"] < "matrix_p"["j"]["i"] THEN
4141 "matrix_b"["i"]["j"] := FALSE;
4142 "matrix_b"["j"]["i"] := TRUE;
4143 END IF;
4144 END IF;
4145 EXIT WHEN "j" = "dimension_v";
4146 "j" := "j" + 1;
4147 END LOOP;
4148 EXIT WHEN "i" = "dimension_v" - 1;
4149 "i" := "i" + 1;
4150 END LOOP;
4151 -- tie-breaking by forbidding shared weakest links in beat-paths
4152 -- (unless "tie_breaking" is set to 'simple', in which case tie-breaking
4153 -- is performed later by initiative id):
4154 IF "policy_row"."tie_breaking" != 'simple'::"tie_breaking" THEN
4155 "m" := 1;
4156 LOOP
4157 "n" := "m" + 1;
4158 LOOP
4159 -- only process those candidates m and n, which are tied:
4160 IF "matrix_b"["m"]["n"] ISNULL THEN
4161 -- start with beat-paths prior tie-breaking:
4162 "matrix_t" := "matrix_p";
4163 -- start with all links allowed:
4164 "matrix_f" := array_fill(FALSE, ARRAY["dimension_v", "dimension_v"]);
4165 LOOP
4166 -- determine (and forbid) that link that is the weakest link
4167 -- in both the best path from candidate m to candidate n and
4168 -- from candidate n to candidate m:
4169 "i" := 1;
4170 <<forbid_one_link>>
4171 LOOP
4172 "j" := 1;
4173 LOOP
4174 IF "i" != "j" THEN
4175 IF "matrix_d"["i"]["j"] = "matrix_t"["m"]["n"] THEN
4176 "matrix_f"["i"]["j"] := TRUE;
4177 -- exit for performance reasons,
4178 -- as exactly one link will be found:
4179 EXIT forbid_one_link;
4180 END IF;
4181 END IF;
4182 EXIT WHEN "j" = "dimension_v";
4183 "j" := "j" + 1;
4184 END LOOP;
4185 IF "i" = "dimension_v" THEN
4186 RAISE EXCEPTION 'Did not find shared weakest link for tie-breaking (should not happen)';
4187 END IF;
4188 "i" := "i" + 1;
4189 END LOOP;
4190 -- calculate best beat-paths while ignoring forbidden links:
4191 "i" := 1;
4192 LOOP
4193 "j" := 1;
4194 LOOP
4195 IF "i" != "j" THEN
4196 "matrix_t"["i"]["j"] := CASE
4197 WHEN "matrix_f"["i"]["j"]
4198 THEN ((-1::INT8) << 63, 0)::"link_strength" -- worst possible value
4199 ELSE "matrix_d"["i"]["j"] END;
4200 END IF;
4201 EXIT WHEN "j" = "dimension_v";
4202 "j" := "j" + 1;
4203 END LOOP;
4204 EXIT WHEN "i" = "dimension_v";
4205 "i" := "i" + 1;
4206 END LOOP;
4207 "matrix_t" := "find_best_paths"("matrix_t");
4208 -- extend partial order, if tie-breaking was successful:
4209 IF "matrix_t"["m"]["n"] > "matrix_t"["n"]["m"] THEN
4210 "matrix_b"["m"]["n"] := TRUE;
4211 "matrix_b"["n"]["m"] := FALSE;
4212 EXIT;
4213 ELSIF "matrix_t"["m"]["n"] < "matrix_t"["n"]["m"] THEN
4214 "matrix_b"["m"]["n"] := FALSE;
4215 "matrix_b"["n"]["m"] := TRUE;
4216 EXIT;
4217 END IF;
4218 END LOOP;
4219 END IF;
4220 EXIT WHEN "n" = "dimension_v";
4221 "n" := "n" + 1;
4222 END LOOP;
4223 EXIT WHEN "m" = "dimension_v" - 1;
4224 "m" := "m" + 1;
4225 END LOOP;
4226 END IF;
4227 -- store a unique ranking in "rank_ary":
4228 "rank_ary" := array_fill(NULL::INT4, ARRAY["dimension_v"]);
4229 "rank_v" := 1;
4230 LOOP
4231 "i" := 1;
4232 <<assign_next_rank>>
4233 LOOP
4234 IF "rank_ary"["i"] ISNULL THEN
4235 "j" := 1;
4236 LOOP
4237 IF
4238 "i" != "j" AND
4239 "rank_ary"["j"] ISNULL AND
4240 ( "matrix_b"["j"]["i"] OR
4241 -- tie-breaking by "id"
4242 ( "matrix_b"["j"]["i"] ISNULL AND
4243 "j" < "i" ) )
4244 THEN
4245 -- someone else is better
4246 EXIT;
4247 END IF;
4248 IF "j" = "dimension_v" THEN
4249 -- noone is better
4250 "rank_ary"["i"] := "rank_v";
4251 EXIT assign_next_rank;
4252 END IF;
4253 "j" := "j" + 1;
4254 END LOOP;
4255 END IF;
4256 "i" := "i" + 1;
4257 IF "i" > "dimension_v" THEN
4258 RAISE EXCEPTION 'Schulze ranking does not compute (should not happen)';
4259 END IF;
4260 END LOOP;
4261 EXIT WHEN "rank_v" = "dimension_v";
4262 "rank_v" := "rank_v" + 1;
4263 END LOOP;
4264 -- write preliminary results:
4265 "i" := 2; -- omit status quo with "i" = 1
4266 FOR "initiative_id_v" IN
4267 SELECT "id" FROM "initiative"
4268 WHERE "issue_id" = "issue_id_p" AND "admitted"
4269 ORDER BY "id"
4270 LOOP
4271 UPDATE "initiative" SET
4272 "direct_majority" =
4273 CASE WHEN "policy_row"."direct_majority_strict" THEN
4274 "positive_votes" * "policy_row"."direct_majority_den" >
4275 "policy_row"."direct_majority_num" * ("positive_votes"+"negative_votes")
4276 ELSE
4277 "positive_votes" * "policy_row"."direct_majority_den" >=
4278 "policy_row"."direct_majority_num" * ("positive_votes"+"negative_votes")
4279 END
4280 AND "positive_votes" >= "policy_row"."direct_majority_positive"
4281 AND "issue_row"."voter_count"-"negative_votes" >=
4282 "policy_row"."direct_majority_non_negative",
4283 "indirect_majority" =
4284 CASE WHEN "policy_row"."indirect_majority_strict" THEN
4285 "positive_votes" * "policy_row"."indirect_majority_den" >
4286 "policy_row"."indirect_majority_num" * ("positive_votes"+"negative_votes")
4287 ELSE
4288 "positive_votes" * "policy_row"."indirect_majority_den" >=
4289 "policy_row"."indirect_majority_num" * ("positive_votes"+"negative_votes")
4290 END
4291 AND "positive_votes" >= "policy_row"."indirect_majority_positive"
4292 AND "issue_row"."voter_count"-"negative_votes" >=
4293 "policy_row"."indirect_majority_non_negative",
4294 "schulze_rank" = "rank_ary"["i"],
4295 "better_than_status_quo" = "rank_ary"["i"] < "rank_ary"[1],
4296 "worse_than_status_quo" = "rank_ary"["i"] > "rank_ary"[1],
4297 "multistage_majority" = "rank_ary"["i"] >= "rank_ary"[1],
4298 "reverse_beat_path" = CASE WHEN "policy_row"."defeat_strength" = 'simple'::"defeat_strength"
4299 THEN NULL
4300 ELSE "matrix_p"[1]["i"]."primary" >= 0 END,
4301 "eligible" = FALSE,
4302 "winner" = FALSE,
4303 "rank" = NULL -- NOTE: in cases of manual reset of issue state
4304 WHERE "id" = "initiative_id_v";
4305 "i" := "i" + 1;
4306 END LOOP;
4307 IF "i" != "dimension_v" + 1 THEN
4308 RAISE EXCEPTION 'Wrong winner count (should not happen)';
4309 END IF;
4310 -- take indirect majorities into account:
4311 LOOP
4312 UPDATE "initiative" SET "indirect_majority" = TRUE
4313 FROM (
4314 SELECT "new_initiative"."id" AS "initiative_id"
4315 FROM "initiative" "old_initiative"
4316 JOIN "initiative" "new_initiative"
4317 ON "new_initiative"."issue_id" = "issue_id_p"
4318 AND "new_initiative"."indirect_majority" = FALSE
4319 JOIN "battle" "battle_win"
4320 ON "battle_win"."issue_id" = "issue_id_p"
4321 AND "battle_win"."winning_initiative_id" = "new_initiative"."id"
4322 AND "battle_win"."losing_initiative_id" = "old_initiative"."id"
4323 JOIN "battle" "battle_lose"
4324 ON "battle_lose"."issue_id" = "issue_id_p"
4325 AND "battle_lose"."losing_initiative_id" = "new_initiative"."id"
4326 AND "battle_lose"."winning_initiative_id" = "old_initiative"."id"
4327 WHERE "old_initiative"."issue_id" = "issue_id_p"
4328 AND "old_initiative"."indirect_majority" = TRUE
4329 AND CASE WHEN "policy_row"."indirect_majority_strict" THEN
4330 "battle_win"."count" * "policy_row"."indirect_majority_den" >
4331 "policy_row"."indirect_majority_num" *
4332 ("battle_win"."count"+"battle_lose"."count")
4333 ELSE
4334 "battle_win"."count" * "policy_row"."indirect_majority_den" >=
4335 "policy_row"."indirect_majority_num" *
4336 ("battle_win"."count"+"battle_lose"."count")
4337 END
4338 AND "battle_win"."count" >= "policy_row"."indirect_majority_positive"
4339 AND "issue_row"."voter_count"-"battle_lose"."count" >=
4340 "policy_row"."indirect_majority_non_negative"
4341 ) AS "subquery"
4342 WHERE "id" = "subquery"."initiative_id";
4343 EXIT WHEN NOT FOUND;
4344 END LOOP;
4345 -- set "multistage_majority" for remaining matching initiatives:
4346 UPDATE "initiative" SET "multistage_majority" = TRUE
4347 FROM (
4348 SELECT "losing_initiative"."id" AS "initiative_id"
4349 FROM "initiative" "losing_initiative"
4350 JOIN "initiative" "winning_initiative"
4351 ON "winning_initiative"."issue_id" = "issue_id_p"
4352 AND "winning_initiative"."admitted"
4353 JOIN "battle" "battle_win"
4354 ON "battle_win"."issue_id" = "issue_id_p"
4355 AND "battle_win"."winning_initiative_id" = "winning_initiative"."id"
4356 AND "battle_win"."losing_initiative_id" = "losing_initiative"."id"
4357 JOIN "battle" "battle_lose"
4358 ON "battle_lose"."issue_id" = "issue_id_p"
4359 AND "battle_lose"."losing_initiative_id" = "winning_initiative"."id"
4360 AND "battle_lose"."winning_initiative_id" = "losing_initiative"."id"
4361 WHERE "losing_initiative"."issue_id" = "issue_id_p"
4362 AND "losing_initiative"."admitted"
4363 AND "winning_initiative"."schulze_rank" <
4364 "losing_initiative"."schulze_rank"
4365 AND "battle_win"."count" > "battle_lose"."count"
4366 AND (
4367 "battle_win"."count" > "winning_initiative"."positive_votes" OR
4368 "battle_lose"."count" < "losing_initiative"."negative_votes" )
4369 ) AS "subquery"
4370 WHERE "id" = "subquery"."initiative_id";
4371 -- mark eligible initiatives:
4372 UPDATE "initiative" SET "eligible" = TRUE
4373 WHERE "issue_id" = "issue_id_p"
4374 AND "initiative"."direct_majority"
4375 AND "initiative"."indirect_majority"
4376 AND "initiative"."better_than_status_quo"
4377 AND (
4378 "policy_row"."no_multistage_majority" = FALSE OR
4379 "initiative"."multistage_majority" = FALSE )
4380 AND (
4381 "policy_row"."no_reverse_beat_path" = FALSE OR
4382 coalesce("initiative"."reverse_beat_path", FALSE) = FALSE );
4383 -- mark final winner:
4384 UPDATE "initiative" SET "winner" = TRUE
4385 FROM (
4386 SELECT "id" AS "initiative_id"
4387 FROM "initiative"
4388 WHERE "issue_id" = "issue_id_p" AND "eligible"
4389 ORDER BY
4390 "schulze_rank",
4391 "id"
4392 LIMIT 1
4393 ) AS "subquery"
4394 WHERE "id" = "subquery"."initiative_id";
4395 -- write (final) ranks:
4396 "rank_v" := 1;
4397 FOR "initiative_id_v" IN
4398 SELECT "id"
4399 FROM "initiative"
4400 WHERE "issue_id" = "issue_id_p" AND "admitted"
4401 ORDER BY
4402 "winner" DESC,
4403 "eligible" DESC,
4404 "schulze_rank",
4405 "id"
4406 LOOP
4407 UPDATE "initiative" SET "rank" = "rank_v"
4408 WHERE "id" = "initiative_id_v";
4409 "rank_v" := "rank_v" + 1;
4410 END LOOP;
4411 -- set schulze rank of status quo and mark issue as finished:
4412 UPDATE "issue" SET
4413 "status_quo_schulze_rank" = "rank_ary"[1],
4414 "state" =
4415 CASE WHEN EXISTS (
4416 SELECT NULL FROM "initiative"
4417 WHERE "issue_id" = "issue_id_p" AND "winner"
4418 ) THEN
4419 'finished_with_winner'::"issue_state"
4420 ELSE
4421 'finished_without_winner'::"issue_state"
4422 END,
4423 "closed" = "phase_finished",
4424 "phase_finished" = NULL
4425 WHERE "id" = "issue_id_p";
4426 RETURN;
4427 END;
4428 $$;
4430 COMMENT ON FUNCTION "calculate_ranks"
4431 ( "issue"."id"%TYPE )
4432 IS 'Determine ranking (Votes have to be counted first)';
4436 -----------------------------
4437 -- Automatic state changes --
4438 -----------------------------
4441 CREATE TYPE "check_issue_persistence" AS (
4442 "state" "issue_state",
4443 "phase_finished" BOOLEAN,
4444 "issue_revoked" BOOLEAN,
4445 "snapshot_created" BOOLEAN,
4446 "harmonic_weights_set" BOOLEAN,
4447 "closed_voting" BOOLEAN );
4449 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';
4452 CREATE FUNCTION "check_issue"
4453 ( "issue_id_p" "issue"."id"%TYPE,
4454 "persist" "check_issue_persistence" )
4455 RETURNS "check_issue_persistence"
4456 LANGUAGE 'plpgsql' VOLATILE AS $$
4457 DECLARE
4458 "issue_row" "issue"%ROWTYPE;
4459 "policy_row" "policy"%ROWTYPE;
4460 "initiative_row" "initiative"%ROWTYPE;
4461 "state_v" "issue_state";
4462 BEGIN
4463 PERFORM "require_transaction_isolation"();
4464 IF "persist" ISNULL THEN
4465 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p"
4466 FOR UPDATE;
4467 IF "issue_row"."closed" NOTNULL THEN
4468 RETURN NULL;
4469 END IF;
4470 "persist"."state" := "issue_row"."state";
4471 IF
4472 ( "issue_row"."state" = 'admission' AND now() >=
4473 "issue_row"."created" + "issue_row"."max_admission_time" ) OR
4474 ( "issue_row"."state" = 'discussion' AND now() >=
4475 "issue_row"."accepted" + "issue_row"."discussion_time" ) OR
4476 ( "issue_row"."state" = 'verification' AND now() >=
4477 "issue_row"."half_frozen" + "issue_row"."verification_time" ) OR
4478 ( "issue_row"."state" = 'voting' AND now() >=
4479 "issue_row"."fully_frozen" + "issue_row"."voting_time" )
4480 THEN
4481 "persist"."phase_finished" := TRUE;
4482 ELSE
4483 "persist"."phase_finished" := FALSE;
4484 END IF;
4485 IF
4486 NOT EXISTS (
4487 -- all initiatives are revoked
4488 SELECT NULL FROM "initiative"
4489 WHERE "issue_id" = "issue_id_p" AND "revoked" ISNULL
4490 ) AND (
4491 -- and issue has not been accepted yet
4492 "persist"."state" = 'admission' OR
4493 -- or verification time has elapsed
4494 ( "persist"."state" = 'verification' AND
4495 "persist"."phase_finished" ) OR
4496 -- or no initiatives have been revoked lately
4497 NOT EXISTS (
4498 SELECT NULL FROM "initiative"
4499 WHERE "issue_id" = "issue_id_p"
4500 AND now() < "revoked" + "issue_row"."verification_time"
4501 )
4502 )
4503 THEN
4504 "persist"."issue_revoked" := TRUE;
4505 ELSE
4506 "persist"."issue_revoked" := FALSE;
4507 END IF;
4508 IF "persist"."phase_finished" OR "persist"."issue_revoked" THEN
4509 UPDATE "issue" SET "phase_finished" = now()
4510 WHERE "id" = "issue_row"."id";
4511 RETURN "persist";
4512 ELSIF
4513 "persist"."state" IN ('admission', 'discussion', 'verification')
4514 THEN
4515 RETURN "persist";
4516 ELSE
4517 RETURN NULL;
4518 END IF;
4519 END IF;
4520 IF
4521 "persist"."state" IN ('admission', 'discussion', 'verification') AND
4522 coalesce("persist"."snapshot_created", FALSE) = FALSE
4523 THEN
4524 PERFORM "create_snapshot"("issue_id_p");
4525 "persist"."snapshot_created" = TRUE;
4526 IF "persist"."phase_finished" THEN
4527 IF "persist"."state" = 'admission' THEN
4528 PERFORM "set_snapshot_event"("issue_id_p", 'end_of_admission');
4529 ELSIF "persist"."state" = 'discussion' THEN
4530 PERFORM "set_snapshot_event"("issue_id_p", 'half_freeze');
4531 ELSIF "persist"."state" = 'verification' THEN
4532 PERFORM "set_snapshot_event"("issue_id_p", 'full_freeze');
4533 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p";
4534 SELECT * INTO "policy_row" FROM "policy"
4535 WHERE "id" = "issue_row"."policy_id";
4536 FOR "initiative_row" IN
4537 SELECT * FROM "initiative"
4538 WHERE "issue_id" = "issue_id_p" AND "revoked" ISNULL
4539 FOR UPDATE
4540 LOOP
4541 IF
4542 "initiative_row"."polling" OR (
4543 "initiative_row"."satisfied_supporter_count" > 0 AND
4544 "initiative_row"."satisfied_supporter_count" *
4545 "policy_row"."initiative_quorum_den" >=
4546 "issue_row"."population" * "policy_row"."initiative_quorum_num"
4547 )
4548 THEN
4549 UPDATE "initiative" SET "admitted" = TRUE
4550 WHERE "id" = "initiative_row"."id";
4551 ELSE
4552 UPDATE "initiative" SET "admitted" = FALSE
4553 WHERE "id" = "initiative_row"."id";
4554 END IF;
4555 END LOOP;
4556 END IF;
4557 END IF;
4558 RETURN "persist";
4559 END IF;
4560 IF
4561 "persist"."state" IN ('admission', 'discussion', 'verification') AND
4562 coalesce("persist"."harmonic_weights_set", FALSE) = FALSE
4563 THEN
4564 PERFORM "set_harmonic_initiative_weights"("issue_id_p");
4565 "persist"."harmonic_weights_set" = TRUE;
4566 IF
4567 "persist"."phase_finished" OR
4568 "persist"."issue_revoked" OR
4569 "persist"."state" = 'admission'
4570 THEN
4571 RETURN "persist";
4572 ELSE
4573 RETURN NULL;
4574 END IF;
4575 END IF;
4576 IF "persist"."issue_revoked" THEN
4577 IF "persist"."state" = 'admission' THEN
4578 "state_v" := 'canceled_revoked_before_accepted';
4579 ELSIF "persist"."state" = 'discussion' THEN
4580 "state_v" := 'canceled_after_revocation_during_discussion';
4581 ELSIF "persist"."state" = 'verification' THEN
4582 "state_v" := 'canceled_after_revocation_during_verification';
4583 END IF;
4584 UPDATE "issue" SET
4585 "state" = "state_v",
4586 "closed" = "phase_finished",
4587 "phase_finished" = NULL
4588 WHERE "id" = "issue_id_p";
4589 RETURN NULL;
4590 END IF;
4591 IF "persist"."state" = 'admission' THEN
4592 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p"
4593 FOR UPDATE;
4594 SELECT * INTO "policy_row"
4595 FROM "policy" WHERE "id" = "issue_row"."policy_id";
4596 IF
4597 ( now() >=
4598 "issue_row"."created" + "issue_row"."min_admission_time" ) AND
4599 EXISTS (
4600 SELECT NULL FROM "initiative"
4601 WHERE "issue_id" = "issue_id_p"
4602 AND "supporter_count" > 0
4603 AND "supporter_count" * "policy_row"."issue_quorum_den"
4604 >= "issue_row"."population" * "policy_row"."issue_quorum_num"
4605 )
4606 THEN
4607 UPDATE "issue" SET
4608 "state" = 'discussion',
4609 "accepted" = coalesce("phase_finished", now()),
4610 "phase_finished" = NULL
4611 WHERE "id" = "issue_id_p";
4612 ELSIF "issue_row"."phase_finished" NOTNULL THEN
4613 UPDATE "issue" SET
4614 "state" = 'canceled_issue_not_accepted',
4615 "closed" = "phase_finished",
4616 "phase_finished" = NULL
4617 WHERE "id" = "issue_id_p";
4618 END IF;
4619 RETURN NULL;
4620 END IF;
4621 IF "persist"."phase_finished" THEN
4622 IF "persist"."state" = 'discussion' THEN
4623 UPDATE "issue" SET
4624 "state" = 'verification',
4625 "half_frozen" = "phase_finished",
4626 "phase_finished" = NULL
4627 WHERE "id" = "issue_id_p";
4628 RETURN NULL;
4629 END IF;
4630 IF "persist"."state" = 'verification' THEN
4631 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p"
4632 FOR UPDATE;
4633 SELECT * INTO "policy_row" FROM "policy"
4634 WHERE "id" = "issue_row"."policy_id";
4635 IF EXISTS (
4636 SELECT NULL FROM "initiative"
4637 WHERE "issue_id" = "issue_id_p" AND "admitted" = TRUE
4638 ) THEN
4639 UPDATE "issue" SET
4640 "state" = 'voting',
4641 "fully_frozen" = "phase_finished",
4642 "phase_finished" = NULL
4643 WHERE "id" = "issue_id_p";
4644 ELSE
4645 UPDATE "issue" SET
4646 "state" = 'canceled_no_initiative_admitted',
4647 "fully_frozen" = "phase_finished",
4648 "closed" = "phase_finished",
4649 "phase_finished" = NULL
4650 WHERE "id" = "issue_id_p";
4651 -- NOTE: The following DELETE statements have effect only when
4652 -- issue state has been manipulated
4653 DELETE FROM "direct_voter" WHERE "issue_id" = "issue_id_p";
4654 DELETE FROM "delegating_voter" WHERE "issue_id" = "issue_id_p";
4655 DELETE FROM "battle" WHERE "issue_id" = "issue_id_p";
4656 END IF;
4657 RETURN NULL;
4658 END IF;
4659 IF "persist"."state" = 'voting' THEN
4660 IF coalesce("persist"."closed_voting", FALSE) = FALSE THEN
4661 PERFORM "close_voting"("issue_id_p");
4662 "persist"."closed_voting" = TRUE;
4663 RETURN "persist";
4664 END IF;
4665 PERFORM "calculate_ranks"("issue_id_p");
4666 RETURN NULL;
4667 END IF;
4668 END IF;
4669 RAISE WARNING 'should not happen';
4670 RETURN NULL;
4671 END;
4672 $$;
4674 COMMENT ON FUNCTION "check_issue"
4675 ( "issue"."id"%TYPE,
4676 "check_issue_persistence" )
4677 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")';
4680 CREATE FUNCTION "check_everything"()
4681 RETURNS VOID
4682 LANGUAGE 'plpgsql' VOLATILE AS $$
4683 DECLARE
4684 "issue_id_v" "issue"."id"%TYPE;
4685 "persist_v" "check_issue_persistence";
4686 BEGIN
4687 RAISE WARNING 'Function "check_everything" should only be used for development and debugging purposes';
4688 DELETE FROM "expired_session";
4689 PERFORM "check_activity"();
4690 PERFORM "calculate_member_counts"();
4691 FOR "issue_id_v" IN SELECT "id" FROM "open_issue" LOOP
4692 "persist_v" := NULL;
4693 LOOP
4694 "persist_v" := "check_issue"("issue_id_v", "persist_v");
4695 EXIT WHEN "persist_v" ISNULL;
4696 END LOOP;
4697 END LOOP;
4698 RETURN;
4699 END;
4700 $$;
4702 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.';
4706 ----------------------
4707 -- Deletion of data --
4708 ----------------------
4711 CREATE FUNCTION "clean_issue"("issue_id_p" "issue"."id"%TYPE)
4712 RETURNS VOID
4713 LANGUAGE 'plpgsql' VOLATILE AS $$
4714 BEGIN
4715 IF EXISTS (
4716 SELECT NULL FROM "issue" WHERE "id" = "issue_id_p" AND "cleaned" ISNULL
4717 ) THEN
4718 -- override protection triggers:
4719 INSERT INTO "temporary_transaction_data" ("key", "value")
4720 VALUES ('override_protection_triggers', TRUE::TEXT);
4721 -- clean data:
4722 DELETE FROM "delegating_voter"
4723 WHERE "issue_id" = "issue_id_p";
4724 DELETE FROM "direct_voter"
4725 WHERE "issue_id" = "issue_id_p";
4726 DELETE FROM "delegating_interest_snapshot"
4727 WHERE "issue_id" = "issue_id_p";
4728 DELETE FROM "direct_interest_snapshot"
4729 WHERE "issue_id" = "issue_id_p";
4730 DELETE FROM "delegating_population_snapshot"
4731 WHERE "issue_id" = "issue_id_p";
4732 DELETE FROM "direct_population_snapshot"
4733 WHERE "issue_id" = "issue_id_p";
4734 DELETE FROM "non_voter"
4735 WHERE "issue_id" = "issue_id_p";
4736 DELETE FROM "delegation"
4737 WHERE "issue_id" = "issue_id_p";
4738 DELETE FROM "supporter"
4739 USING "initiative" -- NOTE: due to missing index on issue_id
4740 WHERE "initiative"."issue_id" = "issue_id_p"
4741 AND "supporter"."initiative_id" = "initiative_id";
4742 -- mark issue as cleaned:
4743 UPDATE "issue" SET "cleaned" = now() WHERE "id" = "issue_id_p";
4744 -- finish overriding protection triggers (avoids garbage):
4745 DELETE FROM "temporary_transaction_data"
4746 WHERE "key" = 'override_protection_triggers';
4747 END IF;
4748 RETURN;
4749 END;
4750 $$;
4752 COMMENT ON FUNCTION "clean_issue"("issue"."id"%TYPE) IS 'Delete discussion data and votes belonging to an issue';
4755 CREATE FUNCTION "delete_member"("member_id_p" "member"."id"%TYPE)
4756 RETURNS VOID
4757 LANGUAGE 'plpgsql' VOLATILE AS $$
4758 BEGIN
4759 UPDATE "member" SET
4760 "last_login" = NULL,
4761 "last_delegation_check" = NULL,
4762 "login" = NULL,
4763 "password" = NULL,
4764 "authority" = NULL,
4765 "authority_uid" = NULL,
4766 "authority_login" = NULL,
4767 "locked" = TRUE,
4768 "active" = FALSE,
4769 "notify_email" = NULL,
4770 "notify_email_unconfirmed" = NULL,
4771 "notify_email_secret" = NULL,
4772 "notify_email_secret_expiry" = NULL,
4773 "notify_email_lock_expiry" = NULL,
4774 "login_recovery_expiry" = NULL,
4775 "password_reset_secret" = NULL,
4776 "password_reset_secret_expiry" = NULL,
4777 "organizational_unit" = NULL,
4778 "internal_posts" = NULL,
4779 "realname" = NULL,
4780 "birthday" = NULL,
4781 "address" = NULL,
4782 "email" = NULL,
4783 "xmpp_address" = NULL,
4784 "website" = NULL,
4785 "phone" = NULL,
4786 "mobile_phone" = NULL,
4787 "profession" = NULL,
4788 "external_memberships" = NULL,
4789 "external_posts" = NULL,
4790 "statement" = NULL
4791 WHERE "id" = "member_id_p";
4792 -- "text_search_data" is updated by triggers
4793 DELETE FROM "setting" WHERE "member_id" = "member_id_p";
4794 DELETE FROM "setting_map" WHERE "member_id" = "member_id_p";
4795 DELETE FROM "member_relation_setting" WHERE "member_id" = "member_id_p";
4796 DELETE FROM "member_image" WHERE "member_id" = "member_id_p";
4797 DELETE FROM "contact" WHERE "member_id" = "member_id_p";
4798 DELETE FROM "ignored_member" WHERE "member_id" = "member_id_p";
4799 DELETE FROM "session" WHERE "member_id" = "member_id_p";
4800 DELETE FROM "area_setting" WHERE "member_id" = "member_id_p";
4801 DELETE FROM "issue_setting" WHERE "member_id" = "member_id_p";
4802 DELETE FROM "ignored_initiative" WHERE "member_id" = "member_id_p";
4803 DELETE FROM "initiative_setting" WHERE "member_id" = "member_id_p";
4804 DELETE FROM "suggestion_setting" WHERE "member_id" = "member_id_p";
4805 DELETE FROM "membership" WHERE "member_id" = "member_id_p";
4806 DELETE FROM "delegation" WHERE "truster_id" = "member_id_p";
4807 DELETE FROM "non_voter" WHERE "member_id" = "member_id_p";
4808 DELETE FROM "direct_voter" USING "issue"
4809 WHERE "direct_voter"."issue_id" = "issue"."id"
4810 AND "issue"."closed" ISNULL
4811 AND "member_id" = "member_id_p";
4812 RETURN;
4813 END;
4814 $$;
4816 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)';
4819 CREATE FUNCTION "delete_private_data"()
4820 RETURNS VOID
4821 LANGUAGE 'plpgsql' VOLATILE AS $$
4822 BEGIN
4823 DELETE FROM "temporary_transaction_data";
4824 DELETE FROM "member" WHERE "activated" ISNULL;
4825 UPDATE "member" SET
4826 "invite_code" = NULL,
4827 "invite_code_expiry" = NULL,
4828 "admin_comment" = NULL,
4829 "last_login" = NULL,
4830 "last_delegation_check" = NULL,
4831 "login" = NULL,
4832 "password" = NULL,
4833 "authority" = NULL,
4834 "authority_uid" = NULL,
4835 "authority_login" = NULL,
4836 "lang" = NULL,
4837 "notify_email" = NULL,
4838 "notify_email_unconfirmed" = NULL,
4839 "notify_email_secret" = NULL,
4840 "notify_email_secret_expiry" = NULL,
4841 "notify_email_lock_expiry" = NULL,
4842 "notify_level" = NULL,
4843 "login_recovery_expiry" = NULL,
4844 "password_reset_secret" = NULL,
4845 "password_reset_secret_expiry" = NULL,
4846 "organizational_unit" = NULL,
4847 "internal_posts" = NULL,
4848 "realname" = NULL,
4849 "birthday" = NULL,
4850 "address" = NULL,
4851 "email" = NULL,
4852 "xmpp_address" = NULL,
4853 "website" = NULL,
4854 "phone" = NULL,
4855 "mobile_phone" = NULL,
4856 "profession" = NULL,
4857 "external_memberships" = NULL,
4858 "external_posts" = NULL,
4859 "formatting_engine" = NULL,
4860 "statement" = NULL;
4861 -- "text_search_data" is updated by triggers
4862 DELETE FROM "setting";
4863 DELETE FROM "setting_map";
4864 DELETE FROM "member_relation_setting";
4865 DELETE FROM "member_image";
4866 DELETE FROM "contact";
4867 DELETE FROM "ignored_member";
4868 DELETE FROM "session";
4869 DELETE FROM "area_setting";
4870 DELETE FROM "issue_setting";
4871 DELETE FROM "ignored_initiative";
4872 DELETE FROM "initiative_setting";
4873 DELETE FROM "suggestion_setting";
4874 DELETE FROM "non_voter";
4875 DELETE FROM "direct_voter" USING "issue"
4876 WHERE "direct_voter"."issue_id" = "issue"."id"
4877 AND "issue"."closed" ISNULL;
4878 RETURN;
4879 END;
4880 $$;
4882 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.';
4886 COMMIT;