liquid_feedback_core
view core.sql @ 480:bae6d7c89f97
Removed wrong "ISNULL" in view "updated_initiative"
| author | jbe |
|---|---|
| date | Fri Apr 01 16:57:59 2016 +0200 (2016-04-01) |
| parents | eff90049fcff |
| children | 698559ebe9cd |
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 TRUE AS "supported",
2390 EXISTS (
2391 SELECT NULL FROM "draft"
2392 WHERE "draft"."initiative_id" = "initiative"."id"
2393 AND "draft"."id" > "supporter"."draft_id"
2394 ) AS "new_draft",
2395 ( SELECT count(1) FROM "suggestion"
2396 WHERE "suggestion"."initiative_id" = "initiative"."id"
2397 AND COALESCE(
2398 "suggestion"."id" > "member"."last_notified_suggestion_id",
2399 TRUE
2400 )
2401 ) AS "new_suggestion_count",
2402 FALSE AS "featured",
2403 NOT EXISTS (
2404 SELECT NULL FROM "initiative" AS "better_initiative"
2405 WHERE
2406 ("better_initiative"."harmonic_weight", -"better_initiative"."id") >
2407 ("initiative"."harmonic_weight", -"better_initiative"."id")
2408 ) AS "leading",
2409 "initiative".*
2410 FROM "member" CROSS JOIN "initiative"
2411 JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
2412 JOIN "supporter" ON
2413 "supporter"."member_id" = "member"."id" AND
2414 "supporter"."initiative_id" = "initiative"."id"
2415 WHERE "issue"."state" IN ('admission', 'discussion')
2416 AND (
2417 EXISTS (
2418 SELECT NULL FROM "draft"
2419 WHERE "draft"."initiative_id" = "initiative"."id"
2420 AND "draft"."id" > "supporter"."draft_id"
2421 ) OR EXISTS (
2422 SELECT NULL FROM "suggestion"
2423 WHERE "suggestion"."initiative_id" = "initiative"."id"
2424 AND COALESCE(
2425 "suggestion"."id" > "member"."last_notified_suggestion_id",
2426 TRUE
2427 )
2428 )
2429 );
2431 CREATE FUNCTION "featured_initiative"
2432 ( "member_id_p" "member"."id"%TYPE,
2433 "area_id_p" "area"."id"%TYPE )
2434 RETURNS SETOF "initiative"
2435 LANGUAGE 'plpgsql' STABLE AS $$
2436 DECLARE
2437 "sample_size_v" INT4;
2438 "member_id_v" "member"."id"%TYPE;
2439 "seed_v" TEXT;
2440 "result_row" "initiative"%ROWTYPE;
2441 "match_v" BOOLEAN;
2442 "initiative_id_ary" INT4[]; --"initiative"."id"%TYPE[]
2443 BEGIN
2444 SELECT INTO "sample_size_v" "sample_size" FROM "member" WHERE "id" = "member_id_p";
2445 "initiative_id_ary" := '{}';
2446 LOOP
2447 "match_v" := FALSE;
2448 FOR "member_id_v", "seed_v" IN
2449 SELECT * FROM (
2450 SELECT DISTINCT
2451 "supporter"."member_id",
2452 md5("member_id" || '-' || "member"."notification_counter" || '-' || "area_id_p") AS "seed"
2453 FROM "supporter"
2454 JOIN "member" ON "member"."id" = "supporter"."member_id"
2455 JOIN "initiative" ON "initiative"."id" = "supporter"."initiative_id"
2456 JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
2457 WHERE "supporter"."member_id" != "member_id_p"
2458 AND "issue"."area_id" = "area_id_p"
2459 AND "issue"."state" IN ('admission', 'discussion', 'verification')
2460 ) AS "subquery"
2461 ORDER BY "seed"
2462 LOOP
2463 SELECT "initiative".* INTO "result_row"
2464 FROM "initiative"
2465 JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
2466 JOIN "supporter" ON "supporter"."initiative_id" = "initiative"."id"
2467 LEFT JOIN "supporter" AS "self_support" ON
2468 "self_support"."initiative_id" = "initiative"."id" AND
2469 "self_support"."member_id" = "member_id_p"
2470 WHERE "supporter"."member_id" = "member_id_v"
2471 AND "issue"."area_id" = "area_id_p"
2472 AND "issue"."state" IN ('admission', 'discussion', 'verification')
2473 AND "self_support"."member_id" ISNULL
2474 AND NOT "initiative_id_ary" @> ARRAY["initiative"."id"]
2475 ORDER BY md5("seed_v" || '-' || "initiative"."id")
2476 LIMIT 1;
2477 IF FOUND THEN
2478 "match_v" := TRUE;
2479 "initiative_id_ary" := "initiative_id_ary" || "result_row"."id";
2480 RETURN NEXT "result_row";
2481 IF array_length("initiative_id_ary", 1) >= "sample_size_v" THEN
2482 RETURN;
2483 END IF;
2484 END IF;
2485 END LOOP;
2486 EXIT WHEN NOT "match_v";
2487 END LOOP;
2488 RETURN;
2489 END;
2490 $$;
2492 CREATE VIEW "updated_or_featured_initiative" AS
2493 SELECT * FROM "updated_initiative"
2494 UNION ALL
2495 SELECT
2496 "member"."id" AS "seen_by_member_id",
2497 FALSE AS "supported",
2498 NULL::BOOLEAN AS "new_draft",
2499 NULL::INTEGER AS "new_suggestion_count",
2500 TRUE AS "featured",
2501 NOT EXISTS (
2502 SELECT NULL FROM "initiative" AS "better_initiative"
2503 WHERE
2504 ("better_initiative"."harmonic_weight", -"better_initiative"."id") >
2505 ("initiative"."harmonic_weight", -"better_initiative"."id")
2506 ) AS "leading",
2507 "initiative".*
2508 FROM "member" CROSS JOIN "area"
2509 CROSS JOIN LATERAL
2510 "featured_initiative"("member"."id", "area"."id") AS "initiative";
2512 CREATE VIEW "leading_complement_initiative" AS
2513 SELECT * FROM (
2514 SELECT DISTINCT ON ("seen_by_member_id", "initiative"."issue_id")
2515 "updated_or_featured_initiative"."seen_by_member_id",
2516 FALSE AS "supported",
2517 NULL::BOOLEAN AS "new_draft",
2518 NULL::INTEGER AS "new_suggestion_count",
2519 FALSE AS "featured",
2520 TRUE AS "leading",
2521 "initiative".*
2522 FROM "updated_or_featured_initiative"
2523 JOIN "initiative"
2524 ON "updated_or_featured_initiative"."issue_id" = "initiative"."issue_id"
2525 ORDER BY
2526 "seen_by_member_id",
2527 "initiative"."issue_id",
2528 "initiative"."harmonic_weight" DESC,
2529 "initiative"."id"
2530 ) AS "subquery"
2531 WHERE NOT EXISTS (
2532 SELECT NULL FROM "updated_or_featured_initiative" AS "other"
2533 WHERE "other"."seen_by_member_id" = "subquery"."seen_by_member_id"
2534 AND "other"."id" = "subquery"."id"
2535 );
2537 CREATE VIEW "initiative_for_notification" AS
2538 SELECT * FROM "updated_or_featured_initiative"
2539 UNION ALL
2540 SELECT * FROM "leading_complement_initiative";
2544 ------------------------------------------------------
2545 -- Row set returning function for delegation chains --
2546 ------------------------------------------------------
2549 CREATE TYPE "delegation_chain_loop_tag" AS ENUM
2550 ('first', 'intermediate', 'last', 'repetition');
2552 COMMENT ON TYPE "delegation_chain_loop_tag" IS 'Type for loop tags in "delegation_chain_row" type';
2555 CREATE TYPE "delegation_chain_row" AS (
2556 "index" INT4,
2557 "member_id" INT4,
2558 "member_valid" BOOLEAN,
2559 "participation" BOOLEAN,
2560 "overridden" BOOLEAN,
2561 "scope_in" "delegation_scope",
2562 "scope_out" "delegation_scope",
2563 "disabled_out" BOOLEAN,
2564 "loop" "delegation_chain_loop_tag" );
2566 COMMENT ON TYPE "delegation_chain_row" IS 'Type of rows returned by "delegation_chain" function';
2568 COMMENT ON COLUMN "delegation_chain_row"."index" IS 'Index starting with 0 and counting up';
2569 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';
2570 COMMENT ON COLUMN "delegation_chain_row"."overridden" IS 'True, if an entry with lower index has "participation" set to true';
2571 COMMENT ON COLUMN "delegation_chain_row"."scope_in" IS 'Scope of used incoming delegation';
2572 COMMENT ON COLUMN "delegation_chain_row"."scope_out" IS 'Scope of used outgoing delegation';
2573 COMMENT ON COLUMN "delegation_chain_row"."disabled_out" IS 'Outgoing delegation is explicitly disabled by a delegation with trustee_id set to NULL';
2574 COMMENT ON COLUMN "delegation_chain_row"."loop" IS 'Not null, if member is part of a loop, see "delegation_chain_loop_tag" type';
2577 CREATE FUNCTION "delegation_chain_for_closed_issue"
2578 ( "member_id_p" "member"."id"%TYPE,
2579 "issue_id_p" "issue"."id"%TYPE )
2580 RETURNS SETOF "delegation_chain_row"
2581 LANGUAGE 'plpgsql' STABLE AS $$
2582 DECLARE
2583 "output_row" "delegation_chain_row";
2584 "direct_voter_row" "direct_voter"%ROWTYPE;
2585 "delegating_voter_row" "delegating_voter"%ROWTYPE;
2586 BEGIN
2587 "output_row"."index" := 0;
2588 "output_row"."member_id" := "member_id_p";
2589 "output_row"."member_valid" := TRUE;
2590 "output_row"."participation" := FALSE;
2591 "output_row"."overridden" := FALSE;
2592 "output_row"."disabled_out" := FALSE;
2593 LOOP
2594 SELECT INTO "direct_voter_row" * FROM "direct_voter"
2595 WHERE "issue_id" = "issue_id_p"
2596 AND "member_id" = "output_row"."member_id";
2597 IF "direct_voter_row"."member_id" NOTNULL THEN
2598 "output_row"."participation" := TRUE;
2599 "output_row"."scope_out" := NULL;
2600 "output_row"."disabled_out" := NULL;
2601 RETURN NEXT "output_row";
2602 RETURN;
2603 END IF;
2604 SELECT INTO "delegating_voter_row" * FROM "delegating_voter"
2605 WHERE "issue_id" = "issue_id_p"
2606 AND "member_id" = "output_row"."member_id";
2607 IF "delegating_voter_row"."member_id" ISNULL THEN
2608 RETURN;
2609 END IF;
2610 "output_row"."scope_out" := "delegating_voter_row"."scope";
2611 RETURN NEXT "output_row";
2612 "output_row"."member_id" := "delegating_voter_row"."delegate_member_ids"[1];
2613 "output_row"."scope_in" := "output_row"."scope_out";
2614 END LOOP;
2615 END;
2616 $$;
2618 COMMENT ON FUNCTION "delegation_chain_for_closed_issue"
2619 ( "member"."id"%TYPE,
2620 "member"."id"%TYPE )
2621 IS 'Helper function for "delegation_chain" function, handling the special case of closed issues after voting';
2624 CREATE FUNCTION "delegation_chain"
2625 ( "member_id_p" "member"."id"%TYPE,
2626 "unit_id_p" "unit"."id"%TYPE,
2627 "area_id_p" "area"."id"%TYPE,
2628 "issue_id_p" "issue"."id"%TYPE,
2629 "simulate_trustee_id_p" "member"."id"%TYPE DEFAULT NULL,
2630 "simulate_default_p" BOOLEAN DEFAULT FALSE )
2631 RETURNS SETOF "delegation_chain_row"
2632 LANGUAGE 'plpgsql' STABLE AS $$
2633 DECLARE
2634 "scope_v" "delegation_scope";
2635 "unit_id_v" "unit"."id"%TYPE;
2636 "area_id_v" "area"."id"%TYPE;
2637 "issue_row" "issue"%ROWTYPE;
2638 "visited_member_ids" INT4[]; -- "member"."id"%TYPE[]
2639 "loop_member_id_v" "member"."id"%TYPE;
2640 "output_row" "delegation_chain_row";
2641 "output_rows" "delegation_chain_row"[];
2642 "simulate_v" BOOLEAN;
2643 "simulate_here_v" BOOLEAN;
2644 "delegation_row" "delegation"%ROWTYPE;
2645 "row_count" INT4;
2646 "i" INT4;
2647 "loop_v" BOOLEAN;
2648 BEGIN
2649 IF "simulate_trustee_id_p" NOTNULL AND "simulate_default_p" THEN
2650 RAISE EXCEPTION 'Both "simulate_trustee_id_p" is set, and "simulate_default_p" is true';
2651 END IF;
2652 IF "simulate_trustee_id_p" NOTNULL OR "simulate_default_p" THEN
2653 "simulate_v" := TRUE;
2654 ELSE
2655 "simulate_v" := FALSE;
2656 END IF;
2657 IF
2658 "unit_id_p" NOTNULL AND
2659 "area_id_p" ISNULL AND
2660 "issue_id_p" ISNULL
2661 THEN
2662 "scope_v" := 'unit';
2663 "unit_id_v" := "unit_id_p";
2664 ELSIF
2665 "unit_id_p" ISNULL AND
2666 "area_id_p" NOTNULL AND
2667 "issue_id_p" ISNULL
2668 THEN
2669 "scope_v" := 'area';
2670 "area_id_v" := "area_id_p";
2671 SELECT "unit_id" INTO "unit_id_v"
2672 FROM "area" WHERE "id" = "area_id_v";
2673 ELSIF
2674 "unit_id_p" ISNULL AND
2675 "area_id_p" ISNULL AND
2676 "issue_id_p" NOTNULL
2677 THEN
2678 SELECT INTO "issue_row" * FROM "issue" WHERE "id" = "issue_id_p";
2679 IF "issue_row"."id" ISNULL THEN
2680 RETURN;
2681 END IF;
2682 IF "issue_row"."closed" NOTNULL THEN
2683 IF "simulate_v" THEN
2684 RAISE EXCEPTION 'Tried to simulate delegation chain for closed issue.';
2685 END IF;
2686 FOR "output_row" IN
2687 SELECT * FROM
2688 "delegation_chain_for_closed_issue"("member_id_p", "issue_id_p")
2689 LOOP
2690 RETURN NEXT "output_row";
2691 END LOOP;
2692 RETURN;
2693 END IF;
2694 "scope_v" := 'issue';
2695 SELECT "area_id" INTO "area_id_v"
2696 FROM "issue" WHERE "id" = "issue_id_p";
2697 SELECT "unit_id" INTO "unit_id_v"
2698 FROM "area" WHERE "id" = "area_id_v";
2699 ELSE
2700 RAISE EXCEPTION 'Exactly one of unit_id_p, area_id_p, or issue_id_p must be NOTNULL.';
2701 END IF;
2702 "visited_member_ids" := '{}';
2703 "loop_member_id_v" := NULL;
2704 "output_rows" := '{}';
2705 "output_row"."index" := 0;
2706 "output_row"."member_id" := "member_id_p";
2707 "output_row"."member_valid" := TRUE;
2708 "output_row"."participation" := FALSE;
2709 "output_row"."overridden" := FALSE;
2710 "output_row"."disabled_out" := FALSE;
2711 "output_row"."scope_out" := NULL;
2712 LOOP
2713 IF "visited_member_ids" @> ARRAY["output_row"."member_id"] THEN
2714 "loop_member_id_v" := "output_row"."member_id";
2715 ELSE
2716 "visited_member_ids" :=
2717 "visited_member_ids" || "output_row"."member_id";
2718 END IF;
2719 IF "output_row"."participation" ISNULL THEN
2720 "output_row"."overridden" := NULL;
2721 ELSIF "output_row"."participation" THEN
2722 "output_row"."overridden" := TRUE;
2723 END IF;
2724 "output_row"."scope_in" := "output_row"."scope_out";
2725 "output_row"."member_valid" := EXISTS (
2726 SELECT NULL FROM "member" JOIN "privilege"
2727 ON "privilege"."member_id" = "member"."id"
2728 AND "privilege"."unit_id" = "unit_id_v"
2729 WHERE "id" = "output_row"."member_id"
2730 AND "member"."active" AND "privilege"."voting_right"
2731 );
2732 "simulate_here_v" := (
2733 "simulate_v" AND
2734 "output_row"."member_id" = "member_id_p"
2735 );
2736 "delegation_row" := ROW(NULL);
2737 IF "output_row"."member_valid" OR "simulate_here_v" THEN
2738 IF "scope_v" = 'unit' THEN
2739 IF NOT "simulate_here_v" THEN
2740 SELECT * INTO "delegation_row" FROM "delegation"
2741 WHERE "truster_id" = "output_row"."member_id"
2742 AND "unit_id" = "unit_id_v";
2743 END IF;
2744 ELSIF "scope_v" = 'area' THEN
2745 "output_row"."participation" := EXISTS (
2746 SELECT NULL FROM "membership"
2747 WHERE "area_id" = "area_id_p"
2748 AND "member_id" = "output_row"."member_id"
2749 );
2750 IF "simulate_here_v" THEN
2751 IF "simulate_trustee_id_p" ISNULL THEN
2752 SELECT * INTO "delegation_row" FROM "delegation"
2753 WHERE "truster_id" = "output_row"."member_id"
2754 AND "unit_id" = "unit_id_v";
2755 END IF;
2756 ELSE
2757 SELECT * INTO "delegation_row" FROM "delegation"
2758 WHERE "truster_id" = "output_row"."member_id"
2759 AND (
2760 "unit_id" = "unit_id_v" OR
2761 "area_id" = "area_id_v"
2762 )
2763 ORDER BY "scope" DESC;
2764 END IF;
2765 ELSIF "scope_v" = 'issue' THEN
2766 IF "issue_row"."fully_frozen" ISNULL THEN
2767 "output_row"."participation" := EXISTS (
2768 SELECT NULL FROM "interest"
2769 WHERE "issue_id" = "issue_id_p"
2770 AND "member_id" = "output_row"."member_id"
2771 );
2772 ELSE
2773 IF "output_row"."member_id" = "member_id_p" THEN
2774 "output_row"."participation" := EXISTS (
2775 SELECT NULL FROM "direct_voter"
2776 WHERE "issue_id" = "issue_id_p"
2777 AND "member_id" = "output_row"."member_id"
2778 );
2779 ELSE
2780 "output_row"."participation" := NULL;
2781 END IF;
2782 END IF;
2783 IF "simulate_here_v" THEN
2784 IF "simulate_trustee_id_p" ISNULL THEN
2785 SELECT * INTO "delegation_row" FROM "delegation"
2786 WHERE "truster_id" = "output_row"."member_id"
2787 AND (
2788 "unit_id" = "unit_id_v" OR
2789 "area_id" = "area_id_v"
2790 )
2791 ORDER BY "scope" DESC;
2792 END IF;
2793 ELSE
2794 SELECT * INTO "delegation_row" FROM "delegation"
2795 WHERE "truster_id" = "output_row"."member_id"
2796 AND (
2797 "unit_id" = "unit_id_v" OR
2798 "area_id" = "area_id_v" OR
2799 "issue_id" = "issue_id_p"
2800 )
2801 ORDER BY "scope" DESC;
2802 END IF;
2803 END IF;
2804 ELSE
2805 "output_row"."participation" := FALSE;
2806 END IF;
2807 IF "simulate_here_v" AND "simulate_trustee_id_p" NOTNULL THEN
2808 "output_row"."scope_out" := "scope_v";
2809 "output_rows" := "output_rows" || "output_row";
2810 "output_row"."member_id" := "simulate_trustee_id_p";
2811 ELSIF "delegation_row"."trustee_id" NOTNULL THEN
2812 "output_row"."scope_out" := "delegation_row"."scope";
2813 "output_rows" := "output_rows" || "output_row";
2814 "output_row"."member_id" := "delegation_row"."trustee_id";
2815 ELSIF "delegation_row"."scope" NOTNULL THEN
2816 "output_row"."scope_out" := "delegation_row"."scope";
2817 "output_row"."disabled_out" := TRUE;
2818 "output_rows" := "output_rows" || "output_row";
2819 EXIT;
2820 ELSE
2821 "output_row"."scope_out" := NULL;
2822 "output_rows" := "output_rows" || "output_row";
2823 EXIT;
2824 END IF;
2825 EXIT WHEN "loop_member_id_v" NOTNULL;
2826 "output_row"."index" := "output_row"."index" + 1;
2827 END LOOP;
2828 "row_count" := array_upper("output_rows", 1);
2829 "i" := 1;
2830 "loop_v" := FALSE;
2831 LOOP
2832 "output_row" := "output_rows"["i"];
2833 EXIT WHEN "output_row" ISNULL; -- NOTE: ISNULL and NOT ... NOTNULL produce different results!
2834 IF "loop_v" THEN
2835 IF "i" + 1 = "row_count" THEN
2836 "output_row"."loop" := 'last';
2837 ELSIF "i" = "row_count" THEN
2838 "output_row"."loop" := 'repetition';
2839 ELSE
2840 "output_row"."loop" := 'intermediate';
2841 END IF;
2842 ELSIF "output_row"."member_id" = "loop_member_id_v" THEN
2843 "output_row"."loop" := 'first';
2844 "loop_v" := TRUE;
2845 END IF;
2846 IF "scope_v" = 'unit' THEN
2847 "output_row"."participation" := NULL;
2848 END IF;
2849 RETURN NEXT "output_row";
2850 "i" := "i" + 1;
2851 END LOOP;
2852 RETURN;
2853 END;
2854 $$;
2856 COMMENT ON FUNCTION "delegation_chain"
2857 ( "member"."id"%TYPE,
2858 "unit"."id"%TYPE,
2859 "area"."id"%TYPE,
2860 "issue"."id"%TYPE,
2861 "member"."id"%TYPE,
2862 BOOLEAN )
2863 IS 'Shows a delegation chain for unit, area, or issue; See "delegation_chain_row" type for more information';
2867 ---------------------------------------------------------
2868 -- Single row returning function for delegation chains --
2869 ---------------------------------------------------------
2872 CREATE TYPE "delegation_info_loop_type" AS ENUM
2873 ('own', 'first', 'first_ellipsis', 'other', 'other_ellipsis');
2875 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''';
2878 CREATE TYPE "delegation_info_type" AS (
2879 "own_participation" BOOLEAN,
2880 "own_delegation_scope" "delegation_scope",
2881 "first_trustee_id" INT4,
2882 "first_trustee_participation" BOOLEAN,
2883 "first_trustee_ellipsis" BOOLEAN,
2884 "other_trustee_id" INT4,
2885 "other_trustee_participation" BOOLEAN,
2886 "other_trustee_ellipsis" BOOLEAN,
2887 "delegation_loop" "delegation_info_loop_type",
2888 "participating_member_id" INT4 );
2890 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';
2892 COMMENT ON COLUMN "delegation_info_type"."own_participation" IS 'Member is directly participating';
2893 COMMENT ON COLUMN "delegation_info_type"."own_delegation_scope" IS 'Delegation scope of member';
2894 COMMENT ON COLUMN "delegation_info_type"."first_trustee_id" IS 'Direct trustee of member';
2895 COMMENT ON COLUMN "delegation_info_type"."first_trustee_participation" IS 'Direct trustee of member is participating';
2896 COMMENT ON COLUMN "delegation_info_type"."first_trustee_ellipsis" IS 'Ellipsis in delegation chain after "first_trustee"';
2897 COMMENT ON COLUMN "delegation_info_type"."other_trustee_id" IS 'Another relevant trustee (due to participation)';
2898 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)';
2899 COMMENT ON COLUMN "delegation_info_type"."other_trustee_ellipsis" IS 'Ellipsis in delegation chain after "other_trustee"';
2900 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';
2901 COMMENT ON COLUMN "delegation_info_type"."participating_member_id" IS 'First participating member in delegation chain';
2904 CREATE FUNCTION "delegation_info"
2905 ( "member_id_p" "member"."id"%TYPE,
2906 "unit_id_p" "unit"."id"%TYPE,
2907 "area_id_p" "area"."id"%TYPE,
2908 "issue_id_p" "issue"."id"%TYPE,
2909 "simulate_trustee_id_p" "member"."id"%TYPE DEFAULT NULL,
2910 "simulate_default_p" BOOLEAN DEFAULT FALSE )
2911 RETURNS "delegation_info_type"
2912 LANGUAGE 'plpgsql' STABLE AS $$
2913 DECLARE
2914 "current_row" "delegation_chain_row";
2915 "result" "delegation_info_type";
2916 BEGIN
2917 "result"."own_participation" := FALSE;
2918 FOR "current_row" IN
2919 SELECT * FROM "delegation_chain"(
2920 "member_id_p",
2921 "unit_id_p", "area_id_p", "issue_id_p",
2922 "simulate_trustee_id_p", "simulate_default_p")
2923 LOOP
2924 IF
2925 "result"."participating_member_id" ISNULL AND
2926 "current_row"."participation"
2927 THEN
2928 "result"."participating_member_id" := "current_row"."member_id";
2929 END IF;
2930 IF "current_row"."member_id" = "member_id_p" THEN
2931 "result"."own_participation" := "current_row"."participation";
2932 "result"."own_delegation_scope" := "current_row"."scope_out";
2933 IF "current_row"."loop" = 'first' THEN
2934 "result"."delegation_loop" := 'own';
2935 END IF;
2936 ELSIF
2937 "current_row"."member_valid" AND
2938 ( "current_row"."loop" ISNULL OR
2939 "current_row"."loop" != 'repetition' )
2940 THEN
2941 IF "result"."first_trustee_id" ISNULL THEN
2942 "result"."first_trustee_id" := "current_row"."member_id";
2943 "result"."first_trustee_participation" := "current_row"."participation";
2944 "result"."first_trustee_ellipsis" := FALSE;
2945 IF "current_row"."loop" = 'first' THEN
2946 "result"."delegation_loop" := 'first';
2947 END IF;
2948 ELSIF "result"."other_trustee_id" ISNULL THEN
2949 IF "current_row"."participation" AND NOT "current_row"."overridden" THEN
2950 "result"."other_trustee_id" := "current_row"."member_id";
2951 "result"."other_trustee_participation" := TRUE;
2952 "result"."other_trustee_ellipsis" := FALSE;
2953 IF "current_row"."loop" = 'first' THEN
2954 "result"."delegation_loop" := 'other';
2955 END IF;
2956 ELSE
2957 "result"."first_trustee_ellipsis" := TRUE;
2958 IF "current_row"."loop" = 'first' THEN
2959 "result"."delegation_loop" := 'first_ellipsis';
2960 END IF;
2961 END IF;
2962 ELSE
2963 "result"."other_trustee_ellipsis" := TRUE;
2964 IF "current_row"."loop" = 'first' THEN
2965 "result"."delegation_loop" := 'other_ellipsis';
2966 END IF;
2967 END IF;
2968 END IF;
2969 END LOOP;
2970 RETURN "result";
2971 END;
2972 $$;
2974 COMMENT ON FUNCTION "delegation_info"
2975 ( "member"."id"%TYPE,
2976 "unit"."id"%TYPE,
2977 "area"."id"%TYPE,
2978 "issue"."id"%TYPE,
2979 "member"."id"%TYPE,
2980 BOOLEAN )
2981 IS 'Notable information about a delegation chain for unit, area, or issue; See "delegation_info_type" for more information';
2985 ---------------------------
2986 -- Transaction isolation --
2987 ---------------------------
2990 CREATE FUNCTION "require_transaction_isolation"()
2991 RETURNS VOID
2992 LANGUAGE 'plpgsql' VOLATILE AS $$
2993 BEGIN
2994 IF
2995 current_setting('transaction_isolation') NOT IN
2996 ('repeatable read', 'serializable')
2997 THEN
2998 RAISE EXCEPTION 'Insufficient transaction isolation level' USING
2999 HINT = 'Consider using SET TRANSACTION ISOLATION LEVEL REPEATABLE READ.';
3000 END IF;
3001 RETURN;
3002 END;
3003 $$;
3005 COMMENT ON FUNCTION "require_transaction_isolation"() IS 'Throws an exception, if transaction isolation level is too low to provide a consistent snapshot';
3008 CREATE FUNCTION "dont_require_transaction_isolation"()
3009 RETURNS VOID
3010 LANGUAGE 'plpgsql' VOLATILE AS $$
3011 BEGIN
3012 IF
3013 current_setting('transaction_isolation') IN
3014 ('repeatable read', 'serializable')
3015 THEN
3016 RAISE WARNING 'Unneccessary transaction isolation level: %',
3017 current_setting('transaction_isolation');
3018 END IF;
3019 RETURN;
3020 END;
3021 $$;
3023 COMMENT ON FUNCTION "dont_require_transaction_isolation"() IS 'Raises a warning, if transaction isolation level is higher than READ COMMITTED';
3027 ------------------------------------------------------------------------
3028 -- Regular tasks, except calculcation of snapshots and voting results --
3029 ------------------------------------------------------------------------
3032 CREATE FUNCTION "check_activity"()
3033 RETURNS VOID
3034 LANGUAGE 'plpgsql' VOLATILE AS $$
3035 DECLARE
3036 "system_setting_row" "system_setting"%ROWTYPE;
3037 BEGIN
3038 PERFORM "dont_require_transaction_isolation"();
3039 SELECT * INTO "system_setting_row" FROM "system_setting";
3040 IF "system_setting_row"."member_ttl" NOTNULL THEN
3041 UPDATE "member" SET "active" = FALSE
3042 WHERE "active" = TRUE
3043 AND "last_activity" < (now() - "system_setting_row"."member_ttl")::DATE;
3044 END IF;
3045 RETURN;
3046 END;
3047 $$;
3049 COMMENT ON FUNCTION "check_activity"() IS 'Deactivates members when "last_activity" is older than "system_setting"."member_ttl".';
3052 CREATE FUNCTION "calculate_member_counts"()
3053 RETURNS VOID
3054 LANGUAGE 'plpgsql' VOLATILE AS $$
3055 BEGIN
3056 PERFORM "require_transaction_isolation"();
3057 DELETE FROM "member_count";
3058 INSERT INTO "member_count" ("total_count")
3059 SELECT "total_count" FROM "member_count_view";
3060 UPDATE "unit" SET "member_count" = "view"."member_count"
3061 FROM "unit_member_count" AS "view"
3062 WHERE "view"."unit_id" = "unit"."id";
3063 UPDATE "area" SET
3064 "direct_member_count" = "view"."direct_member_count",
3065 "member_weight" = "view"."member_weight"
3066 FROM "area_member_count" AS "view"
3067 WHERE "view"."area_id" = "area"."id";
3068 RETURN;
3069 END;
3070 $$;
3072 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"';
3076 ------------------------------------
3077 -- Calculation of harmonic weight --
3078 ------------------------------------
3081 CREATE VIEW "remaining_harmonic_supporter_weight" AS
3082 SELECT
3083 "direct_interest_snapshot"."issue_id",
3084 "direct_interest_snapshot"."event",
3085 "direct_interest_snapshot"."member_id",
3086 "direct_interest_snapshot"."weight" AS "weight_num",
3087 count("initiative"."id") AS "weight_den"
3088 FROM "issue"
3089 JOIN "direct_interest_snapshot"
3090 ON "issue"."id" = "direct_interest_snapshot"."issue_id"
3091 AND "issue"."latest_snapshot_event" = "direct_interest_snapshot"."event"
3092 JOIN "initiative"
3093 ON "issue"."id" = "initiative"."issue_id"
3094 AND "initiative"."harmonic_weight" ISNULL
3095 JOIN "direct_supporter_snapshot"
3096 ON "initiative"."id" = "direct_supporter_snapshot"."initiative_id"
3097 AND "direct_interest_snapshot"."event" = "direct_supporter_snapshot"."event"
3098 AND "direct_interest_snapshot"."member_id" = "direct_supporter_snapshot"."member_id"
3099 AND (
3100 "direct_supporter_snapshot"."satisfied" = TRUE OR
3101 coalesce("initiative"."admitted", FALSE) = FALSE
3102 )
3103 GROUP BY
3104 "direct_interest_snapshot"."issue_id",
3105 "direct_interest_snapshot"."event",
3106 "direct_interest_snapshot"."member_id",
3107 "direct_interest_snapshot"."weight";
3109 COMMENT ON VIEW "remaining_harmonic_supporter_weight" IS 'Helper view for function "set_harmonic_initiative_weights"';
3112 CREATE VIEW "remaining_harmonic_initiative_weight_summands" AS
3113 SELECT
3114 "initiative"."issue_id",
3115 "initiative"."id" AS "initiative_id",
3116 "initiative"."admitted",
3117 sum("remaining_harmonic_supporter_weight"."weight_num") AS "weight_num",
3118 "remaining_harmonic_supporter_weight"."weight_den"
3119 FROM "remaining_harmonic_supporter_weight"
3120 JOIN "initiative"
3121 ON "remaining_harmonic_supporter_weight"."issue_id" = "initiative"."issue_id"
3122 AND "initiative"."harmonic_weight" ISNULL
3123 JOIN "direct_supporter_snapshot"
3124 ON "initiative"."id" = "direct_supporter_snapshot"."initiative_id"
3125 AND "remaining_harmonic_supporter_weight"."event" = "direct_supporter_snapshot"."event"
3126 AND "remaining_harmonic_supporter_weight"."member_id" = "direct_supporter_snapshot"."member_id"
3127 AND (
3128 "direct_supporter_snapshot"."satisfied" = TRUE OR
3129 coalesce("initiative"."admitted", FALSE) = FALSE
3130 )
3131 GROUP BY
3132 "initiative"."issue_id",
3133 "initiative"."id",
3134 "initiative"."admitted",
3135 "remaining_harmonic_supporter_weight"."weight_den";
3137 COMMENT ON VIEW "remaining_harmonic_initiative_weight_summands" IS 'Helper view for function "set_harmonic_initiative_weights"';
3140 CREATE VIEW "remaining_harmonic_initiative_weight_dummies" AS
3141 SELECT
3142 "issue_id",
3143 "id" AS "initiative_id",
3144 "admitted",
3145 0 AS "weight_num",
3146 1 AS "weight_den"
3147 FROM "initiative"
3148 WHERE "harmonic_weight" ISNULL;
3150 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';
3153 CREATE FUNCTION "set_harmonic_initiative_weights"
3154 ( "issue_id_p" "issue"."id"%TYPE )
3155 RETURNS VOID
3156 LANGUAGE 'plpgsql' VOLATILE AS $$
3157 DECLARE
3158 "weight_row" "remaining_harmonic_initiative_weight_summands"%ROWTYPE;
3159 "i" INT4;
3160 "count_v" INT4;
3161 "summand_v" FLOAT;
3162 "id_ary" INT4[];
3163 "weight_ary" FLOAT[];
3164 "min_weight_v" FLOAT;
3165 BEGIN
3166 PERFORM "require_transaction_isolation"();
3167 UPDATE "initiative" SET "harmonic_weight" = NULL
3168 WHERE "issue_id" = "issue_id_p";
3169 LOOP
3170 "min_weight_v" := NULL;
3171 "i" := 0;
3172 "count_v" := 0;
3173 FOR "weight_row" IN
3174 SELECT * FROM "remaining_harmonic_initiative_weight_summands"
3175 WHERE "issue_id" = "issue_id_p"
3176 AND (
3177 coalesce("admitted", FALSE) = FALSE OR NOT EXISTS (
3178 SELECT NULL FROM "initiative"
3179 WHERE "issue_id" = "issue_id_p"
3180 AND "harmonic_weight" ISNULL
3181 AND coalesce("admitted", FALSE) = FALSE
3182 )
3183 )
3184 UNION ALL -- needed for corner cases
3185 SELECT * FROM "remaining_harmonic_initiative_weight_dummies"
3186 WHERE "issue_id" = "issue_id_p"
3187 AND (
3188 coalesce("admitted", FALSE) = FALSE OR NOT EXISTS (
3189 SELECT NULL FROM "initiative"
3190 WHERE "issue_id" = "issue_id_p"
3191 AND "harmonic_weight" ISNULL
3192 AND coalesce("admitted", FALSE) = FALSE
3193 )
3194 )
3195 ORDER BY "initiative_id" DESC, "weight_den" DESC
3196 -- NOTE: non-admitted initiatives placed first (at last positions),
3197 -- latest initiatives treated worse in case of tie
3198 LOOP
3199 "summand_v" := "weight_row"."weight_num"::FLOAT / "weight_row"."weight_den"::FLOAT;
3200 IF "i" = 0 OR "weight_row"."initiative_id" != "id_ary"["i"] THEN
3201 "i" := "i" + 1;
3202 "count_v" := "i";
3203 "id_ary"["i"] := "weight_row"."initiative_id";
3204 "weight_ary"["i"] := "summand_v";
3205 ELSE
3206 "weight_ary"["i"] := "weight_ary"["i"] + "summand_v";
3207 END IF;
3208 END LOOP;
3209 EXIT WHEN "count_v" = 0;
3210 "i" := 1;
3211 LOOP
3212 "weight_ary"["i"] := "weight_ary"["i"]::NUMERIC(18,9)::NUMERIC(12,3);
3213 IF "min_weight_v" ISNULL OR "weight_ary"["i"] < "min_weight_v" THEN
3214 "min_weight_v" := "weight_ary"["i"];
3215 END IF;
3216 "i" := "i" + 1;
3217 EXIT WHEN "i" > "count_v";
3218 END LOOP;
3219 "i" := 1;
3220 LOOP
3221 IF "weight_ary"["i"] = "min_weight_v" THEN
3222 UPDATE "initiative" SET "harmonic_weight" = "min_weight_v"
3223 WHERE "id" = "id_ary"["i"];
3224 EXIT;
3225 END IF;
3226 "i" := "i" + 1;
3227 END LOOP;
3228 END LOOP;
3229 UPDATE "initiative" SET "harmonic_weight" = 0
3230 WHERE "issue_id" = "issue_id_p" AND "harmonic_weight" ISNULL;
3231 END;
3232 $$;
3234 COMMENT ON FUNCTION "set_harmonic_initiative_weights"
3235 ( "issue"."id"%TYPE )
3236 IS 'Calculates and sets "harmonic_weight" of initiatives in a given issue';
3240 ------------------------------
3241 -- Calculation of snapshots --
3242 ------------------------------
3245 CREATE FUNCTION "weight_of_added_delegations_for_population_snapshot"
3246 ( "issue_id_p" "issue"."id"%TYPE,
3247 "member_id_p" "member"."id"%TYPE,
3248 "delegate_member_ids_p" "delegating_population_snapshot"."delegate_member_ids"%TYPE )
3249 RETURNS "direct_population_snapshot"."weight"%TYPE
3250 LANGUAGE 'plpgsql' VOLATILE AS $$
3251 DECLARE
3252 "issue_delegation_row" "issue_delegation"%ROWTYPE;
3253 "delegate_member_ids_v" "delegating_population_snapshot"."delegate_member_ids"%TYPE;
3254 "weight_v" INT4;
3255 "sub_weight_v" INT4;
3256 BEGIN
3257 PERFORM "require_transaction_isolation"();
3258 "weight_v" := 0;
3259 FOR "issue_delegation_row" IN
3260 SELECT * FROM "issue_delegation"
3261 WHERE "trustee_id" = "member_id_p"
3262 AND "issue_id" = "issue_id_p"
3263 LOOP
3264 IF NOT EXISTS (
3265 SELECT NULL FROM "direct_population_snapshot"
3266 WHERE "issue_id" = "issue_id_p"
3267 AND "event" = 'periodic'
3268 AND "member_id" = "issue_delegation_row"."truster_id"
3269 ) AND NOT EXISTS (
3270 SELECT NULL FROM "delegating_population_snapshot"
3271 WHERE "issue_id" = "issue_id_p"
3272 AND "event" = 'periodic'
3273 AND "member_id" = "issue_delegation_row"."truster_id"
3274 ) THEN
3275 "delegate_member_ids_v" :=
3276 "member_id_p" || "delegate_member_ids_p";
3277 INSERT INTO "delegating_population_snapshot" (
3278 "issue_id",
3279 "event",
3280 "member_id",
3281 "scope",
3282 "delegate_member_ids"
3283 ) VALUES (
3284 "issue_id_p",
3285 'periodic',
3286 "issue_delegation_row"."truster_id",
3287 "issue_delegation_row"."scope",
3288 "delegate_member_ids_v"
3289 );
3290 "sub_weight_v" := 1 +
3291 "weight_of_added_delegations_for_population_snapshot"(
3292 "issue_id_p",
3293 "issue_delegation_row"."truster_id",
3294 "delegate_member_ids_v"
3295 );
3296 UPDATE "delegating_population_snapshot"
3297 SET "weight" = "sub_weight_v"
3298 WHERE "issue_id" = "issue_id_p"
3299 AND "event" = 'periodic'
3300 AND "member_id" = "issue_delegation_row"."truster_id";
3301 "weight_v" := "weight_v" + "sub_weight_v";
3302 END IF;
3303 END LOOP;
3304 RETURN "weight_v";
3305 END;
3306 $$;
3308 COMMENT ON FUNCTION "weight_of_added_delegations_for_population_snapshot"
3309 ( "issue"."id"%TYPE,
3310 "member"."id"%TYPE,
3311 "delegating_population_snapshot"."delegate_member_ids"%TYPE )
3312 IS 'Helper function for "create_population_snapshot" function';
3315 CREATE FUNCTION "create_population_snapshot"
3316 ( "issue_id_p" "issue"."id"%TYPE )
3317 RETURNS VOID
3318 LANGUAGE 'plpgsql' VOLATILE AS $$
3319 DECLARE
3320 "member_id_v" "member"."id"%TYPE;
3321 BEGIN
3322 PERFORM "require_transaction_isolation"();
3323 DELETE FROM "direct_population_snapshot"
3324 WHERE "issue_id" = "issue_id_p"
3325 AND "event" = 'periodic';
3326 DELETE FROM "delegating_population_snapshot"
3327 WHERE "issue_id" = "issue_id_p"
3328 AND "event" = 'periodic';
3329 INSERT INTO "direct_population_snapshot"
3330 ("issue_id", "event", "member_id")
3331 SELECT
3332 "issue_id_p" AS "issue_id",
3333 'periodic'::"snapshot_event" AS "event",
3334 "member"."id" AS "member_id"
3335 FROM "issue"
3336 JOIN "area" ON "issue"."area_id" = "area"."id"
3337 JOIN "membership" ON "area"."id" = "membership"."area_id"
3338 JOIN "member" ON "membership"."member_id" = "member"."id"
3339 JOIN "privilege"
3340 ON "privilege"."unit_id" = "area"."unit_id"
3341 AND "privilege"."member_id" = "member"."id"
3342 WHERE "issue"."id" = "issue_id_p"
3343 AND "member"."active" AND "privilege"."voting_right"
3344 UNION
3345 SELECT
3346 "issue_id_p" AS "issue_id",
3347 'periodic'::"snapshot_event" AS "event",
3348 "member"."id" AS "member_id"
3349 FROM "issue"
3350 JOIN "area" ON "issue"."area_id" = "area"."id"
3351 JOIN "interest" ON "issue"."id" = "interest"."issue_id"
3352 JOIN "member" ON "interest"."member_id" = "member"."id"
3353 JOIN "privilege"
3354 ON "privilege"."unit_id" = "area"."unit_id"
3355 AND "privilege"."member_id" = "member"."id"
3356 WHERE "issue"."id" = "issue_id_p"
3357 AND "member"."active" AND "privilege"."voting_right";
3358 FOR "member_id_v" IN
3359 SELECT "member_id" FROM "direct_population_snapshot"
3360 WHERE "issue_id" = "issue_id_p"
3361 AND "event" = 'periodic'
3362 LOOP
3363 UPDATE "direct_population_snapshot" SET
3364 "weight" = 1 +
3365 "weight_of_added_delegations_for_population_snapshot"(
3366 "issue_id_p",
3367 "member_id_v",
3368 '{}'
3369 )
3370 WHERE "issue_id" = "issue_id_p"
3371 AND "event" = 'periodic'
3372 AND "member_id" = "member_id_v";
3373 END LOOP;
3374 RETURN;
3375 END;
3376 $$;
3378 COMMENT ON FUNCTION "create_population_snapshot"
3379 ( "issue"."id"%TYPE )
3380 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.';
3383 CREATE FUNCTION "weight_of_added_delegations_for_interest_snapshot"
3384 ( "issue_id_p" "issue"."id"%TYPE,
3385 "member_id_p" "member"."id"%TYPE,
3386 "delegate_member_ids_p" "delegating_interest_snapshot"."delegate_member_ids"%TYPE )
3387 RETURNS "direct_interest_snapshot"."weight"%TYPE
3388 LANGUAGE 'plpgsql' VOLATILE AS $$
3389 DECLARE
3390 "issue_delegation_row" "issue_delegation"%ROWTYPE;
3391 "delegate_member_ids_v" "delegating_interest_snapshot"."delegate_member_ids"%TYPE;
3392 "weight_v" INT4;
3393 "sub_weight_v" INT4;
3394 BEGIN
3395 PERFORM "require_transaction_isolation"();
3396 "weight_v" := 0;
3397 FOR "issue_delegation_row" IN
3398 SELECT * FROM "issue_delegation"
3399 WHERE "trustee_id" = "member_id_p"
3400 AND "issue_id" = "issue_id_p"
3401 LOOP
3402 IF NOT EXISTS (
3403 SELECT NULL FROM "direct_interest_snapshot"
3404 WHERE "issue_id" = "issue_id_p"
3405 AND "event" = 'periodic'
3406 AND "member_id" = "issue_delegation_row"."truster_id"
3407 ) AND NOT EXISTS (
3408 SELECT NULL FROM "delegating_interest_snapshot"
3409 WHERE "issue_id" = "issue_id_p"
3410 AND "event" = 'periodic'
3411 AND "member_id" = "issue_delegation_row"."truster_id"
3412 ) THEN
3413 "delegate_member_ids_v" :=
3414 "member_id_p" || "delegate_member_ids_p";
3415 INSERT INTO "delegating_interest_snapshot" (
3416 "issue_id",
3417 "event",
3418 "member_id",
3419 "scope",
3420 "delegate_member_ids"
3421 ) VALUES (
3422 "issue_id_p",
3423 'periodic',
3424 "issue_delegation_row"."truster_id",
3425 "issue_delegation_row"."scope",
3426 "delegate_member_ids_v"
3427 );
3428 "sub_weight_v" := 1 +
3429 "weight_of_added_delegations_for_interest_snapshot"(
3430 "issue_id_p",
3431 "issue_delegation_row"."truster_id",
3432 "delegate_member_ids_v"
3433 );
3434 UPDATE "delegating_interest_snapshot"
3435 SET "weight" = "sub_weight_v"
3436 WHERE "issue_id" = "issue_id_p"
3437 AND "event" = 'periodic'
3438 AND "member_id" = "issue_delegation_row"."truster_id";
3439 "weight_v" := "weight_v" + "sub_weight_v";
3440 END IF;
3441 END LOOP;
3442 RETURN "weight_v";
3443 END;
3444 $$;
3446 COMMENT ON FUNCTION "weight_of_added_delegations_for_interest_snapshot"
3447 ( "issue"."id"%TYPE,
3448 "member"."id"%TYPE,
3449 "delegating_interest_snapshot"."delegate_member_ids"%TYPE )
3450 IS 'Helper function for "create_interest_snapshot" function';
3453 CREATE FUNCTION "create_interest_snapshot"
3454 ( "issue_id_p" "issue"."id"%TYPE )
3455 RETURNS VOID
3456 LANGUAGE 'plpgsql' VOLATILE AS $$
3457 DECLARE
3458 "member_id_v" "member"."id"%TYPE;
3459 BEGIN
3460 PERFORM "require_transaction_isolation"();
3461 DELETE FROM "direct_interest_snapshot"
3462 WHERE "issue_id" = "issue_id_p"
3463 AND "event" = 'periodic';
3464 DELETE FROM "delegating_interest_snapshot"
3465 WHERE "issue_id" = "issue_id_p"
3466 AND "event" = 'periodic';
3467 DELETE FROM "direct_supporter_snapshot"
3468 USING "initiative" -- NOTE: due to missing index on issue_id
3469 WHERE "initiative"."issue_id" = "issue_id_p"
3470 AND "direct_supporter_snapshot"."initiative_id" = "initiative"."id"
3471 AND "direct_supporter_snapshot"."event" = 'periodic';
3472 INSERT INTO "direct_interest_snapshot"
3473 ("issue_id", "event", "member_id")
3474 SELECT
3475 "issue_id_p" AS "issue_id",
3476 'periodic' AS "event",
3477 "member"."id" AS "member_id"
3478 FROM "issue"
3479 JOIN "area" ON "issue"."area_id" = "area"."id"
3480 JOIN "interest" ON "issue"."id" = "interest"."issue_id"
3481 JOIN "member" ON "interest"."member_id" = "member"."id"
3482 JOIN "privilege"
3483 ON "privilege"."unit_id" = "area"."unit_id"
3484 AND "privilege"."member_id" = "member"."id"
3485 WHERE "issue"."id" = "issue_id_p"
3486 AND "member"."active" AND "privilege"."voting_right";
3487 FOR "member_id_v" IN
3488 SELECT "member_id" FROM "direct_interest_snapshot"
3489 WHERE "issue_id" = "issue_id_p"
3490 AND "event" = 'periodic'
3491 LOOP
3492 UPDATE "direct_interest_snapshot" SET
3493 "weight" = 1 +
3494 "weight_of_added_delegations_for_interest_snapshot"(
3495 "issue_id_p",
3496 "member_id_v",
3497 '{}'
3498 )
3499 WHERE "issue_id" = "issue_id_p"
3500 AND "event" = 'periodic'
3501 AND "member_id" = "member_id_v";
3502 END LOOP;
3503 INSERT INTO "direct_supporter_snapshot"
3504 ( "issue_id", "initiative_id", "event", "member_id",
3505 "draft_id", "informed", "satisfied" )
3506 SELECT
3507 "issue_id_p" AS "issue_id",
3508 "initiative"."id" AS "initiative_id",
3509 'periodic' AS "event",
3510 "supporter"."member_id" AS "member_id",
3511 "supporter"."draft_id" AS "draft_id",
3512 "supporter"."draft_id" = "current_draft"."id" AS "informed",
3513 NOT EXISTS (
3514 SELECT NULL FROM "critical_opinion"
3515 WHERE "initiative_id" = "initiative"."id"
3516 AND "member_id" = "supporter"."member_id"
3517 ) AS "satisfied"
3518 FROM "initiative"
3519 JOIN "supporter"
3520 ON "supporter"."initiative_id" = "initiative"."id"
3521 JOIN "current_draft"
3522 ON "initiative"."id" = "current_draft"."initiative_id"
3523 JOIN "direct_interest_snapshot"
3524 ON "supporter"."member_id" = "direct_interest_snapshot"."member_id"
3525 AND "initiative"."issue_id" = "direct_interest_snapshot"."issue_id"
3526 AND "event" = 'periodic'
3527 WHERE "initiative"."issue_id" = "issue_id_p";
3528 RETURN;
3529 END;
3530 $$;
3532 COMMENT ON FUNCTION "create_interest_snapshot"
3533 ( "issue"."id"%TYPE )
3534 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.';
3537 CREATE FUNCTION "create_snapshot"
3538 ( "issue_id_p" "issue"."id"%TYPE )
3539 RETURNS VOID
3540 LANGUAGE 'plpgsql' VOLATILE AS $$
3541 DECLARE
3542 "initiative_id_v" "initiative"."id"%TYPE;
3543 "suggestion_id_v" "suggestion"."id"%TYPE;
3544 BEGIN
3545 PERFORM "require_transaction_isolation"();
3546 PERFORM "create_population_snapshot"("issue_id_p");
3547 PERFORM "create_interest_snapshot"("issue_id_p");
3548 UPDATE "issue" SET
3549 "snapshot" = coalesce("phase_finished", now()),
3550 "latest_snapshot_event" = 'periodic',
3551 "population" = (
3552 SELECT coalesce(sum("weight"), 0)
3553 FROM "direct_population_snapshot"
3554 WHERE "issue_id" = "issue_id_p"
3555 AND "event" = 'periodic'
3556 )
3557 WHERE "id" = "issue_id_p";
3558 FOR "initiative_id_v" IN
3559 SELECT "id" FROM "initiative" WHERE "issue_id" = "issue_id_p"
3560 LOOP
3561 UPDATE "initiative" SET
3562 "supporter_count" = (
3563 SELECT coalesce(sum("di"."weight"), 0)
3564 FROM "direct_interest_snapshot" AS "di"
3565 JOIN "direct_supporter_snapshot" AS "ds"
3566 ON "di"."member_id" = "ds"."member_id"
3567 WHERE "di"."issue_id" = "issue_id_p"
3568 AND "di"."event" = 'periodic'
3569 AND "ds"."initiative_id" = "initiative_id_v"
3570 AND "ds"."event" = 'periodic'
3571 ),
3572 "informed_supporter_count" = (
3573 SELECT coalesce(sum("di"."weight"), 0)
3574 FROM "direct_interest_snapshot" AS "di"
3575 JOIN "direct_supporter_snapshot" AS "ds"
3576 ON "di"."member_id" = "ds"."member_id"
3577 WHERE "di"."issue_id" = "issue_id_p"
3578 AND "di"."event" = 'periodic'
3579 AND "ds"."initiative_id" = "initiative_id_v"
3580 AND "ds"."event" = 'periodic'
3581 AND "ds"."informed"
3582 ),
3583 "satisfied_supporter_count" = (
3584 SELECT coalesce(sum("di"."weight"), 0)
3585 FROM "direct_interest_snapshot" AS "di"
3586 JOIN "direct_supporter_snapshot" AS "ds"
3587 ON "di"."member_id" = "ds"."member_id"
3588 WHERE "di"."issue_id" = "issue_id_p"
3589 AND "di"."event" = 'periodic'
3590 AND "ds"."initiative_id" = "initiative_id_v"
3591 AND "ds"."event" = 'periodic'
3592 AND "ds"."satisfied"
3593 ),
3594 "satisfied_informed_supporter_count" = (
3595 SELECT coalesce(sum("di"."weight"), 0)
3596 FROM "direct_interest_snapshot" AS "di"
3597 JOIN "direct_supporter_snapshot" AS "ds"
3598 ON "di"."member_id" = "ds"."member_id"
3599 WHERE "di"."issue_id" = "issue_id_p"
3600 AND "di"."event" = 'periodic'
3601 AND "ds"."initiative_id" = "initiative_id_v"
3602 AND "ds"."event" = 'periodic'
3603 AND "ds"."informed"
3604 AND "ds"."satisfied"
3605 )
3606 WHERE "id" = "initiative_id_v";
3607 FOR "suggestion_id_v" IN
3608 SELECT "id" FROM "suggestion"
3609 WHERE "initiative_id" = "initiative_id_v"
3610 LOOP
3611 UPDATE "suggestion" SET
3612 "minus2_unfulfilled_count" = (
3613 SELECT coalesce(sum("snapshot"."weight"), 0)
3614 FROM "issue" CROSS JOIN "opinion"
3615 JOIN "direct_interest_snapshot" AS "snapshot"
3616 ON "snapshot"."issue_id" = "issue"."id"
3617 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3618 AND "snapshot"."member_id" = "opinion"."member_id"
3619 WHERE "issue"."id" = "issue_id_p"
3620 AND "opinion"."suggestion_id" = "suggestion_id_v"
3621 AND "opinion"."degree" = -2
3622 AND "opinion"."fulfilled" = FALSE
3623 ),
3624 "minus2_fulfilled_count" = (
3625 SELECT coalesce(sum("snapshot"."weight"), 0)
3626 FROM "issue" CROSS JOIN "opinion"
3627 JOIN "direct_interest_snapshot" AS "snapshot"
3628 ON "snapshot"."issue_id" = "issue"."id"
3629 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3630 AND "snapshot"."member_id" = "opinion"."member_id"
3631 WHERE "issue"."id" = "issue_id_p"
3632 AND "opinion"."suggestion_id" = "suggestion_id_v"
3633 AND "opinion"."degree" = -2
3634 AND "opinion"."fulfilled" = TRUE
3635 ),
3636 "minus1_unfulfilled_count" = (
3637 SELECT coalesce(sum("snapshot"."weight"), 0)
3638 FROM "issue" CROSS JOIN "opinion"
3639 JOIN "direct_interest_snapshot" AS "snapshot"
3640 ON "snapshot"."issue_id" = "issue"."id"
3641 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3642 AND "snapshot"."member_id" = "opinion"."member_id"
3643 WHERE "issue"."id" = "issue_id_p"
3644 AND "opinion"."suggestion_id" = "suggestion_id_v"
3645 AND "opinion"."degree" = -1
3646 AND "opinion"."fulfilled" = FALSE
3647 ),
3648 "minus1_fulfilled_count" = (
3649 SELECT coalesce(sum("snapshot"."weight"), 0)
3650 FROM "issue" CROSS JOIN "opinion"
3651 JOIN "direct_interest_snapshot" AS "snapshot"
3652 ON "snapshot"."issue_id" = "issue"."id"
3653 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3654 AND "snapshot"."member_id" = "opinion"."member_id"
3655 WHERE "issue"."id" = "issue_id_p"
3656 AND "opinion"."suggestion_id" = "suggestion_id_v"
3657 AND "opinion"."degree" = -1
3658 AND "opinion"."fulfilled" = TRUE
3659 ),
3660 "plus1_unfulfilled_count" = (
3661 SELECT coalesce(sum("snapshot"."weight"), 0)
3662 FROM "issue" CROSS JOIN "opinion"
3663 JOIN "direct_interest_snapshot" AS "snapshot"
3664 ON "snapshot"."issue_id" = "issue"."id"
3665 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3666 AND "snapshot"."member_id" = "opinion"."member_id"
3667 WHERE "issue"."id" = "issue_id_p"
3668 AND "opinion"."suggestion_id" = "suggestion_id_v"
3669 AND "opinion"."degree" = 1
3670 AND "opinion"."fulfilled" = FALSE
3671 ),
3672 "plus1_fulfilled_count" = (
3673 SELECT coalesce(sum("snapshot"."weight"), 0)
3674 FROM "issue" CROSS JOIN "opinion"
3675 JOIN "direct_interest_snapshot" AS "snapshot"
3676 ON "snapshot"."issue_id" = "issue"."id"
3677 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3678 AND "snapshot"."member_id" = "opinion"."member_id"
3679 WHERE "issue"."id" = "issue_id_p"
3680 AND "opinion"."suggestion_id" = "suggestion_id_v"
3681 AND "opinion"."degree" = 1
3682 AND "opinion"."fulfilled" = TRUE
3683 ),
3684 "plus2_unfulfilled_count" = (
3685 SELECT coalesce(sum("snapshot"."weight"), 0)
3686 FROM "issue" CROSS JOIN "opinion"
3687 JOIN "direct_interest_snapshot" AS "snapshot"
3688 ON "snapshot"."issue_id" = "issue"."id"
3689 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3690 AND "snapshot"."member_id" = "opinion"."member_id"
3691 WHERE "issue"."id" = "issue_id_p"
3692 AND "opinion"."suggestion_id" = "suggestion_id_v"
3693 AND "opinion"."degree" = 2
3694 AND "opinion"."fulfilled" = FALSE
3695 ),
3696 "plus2_fulfilled_count" = (
3697 SELECT coalesce(sum("snapshot"."weight"), 0)
3698 FROM "issue" CROSS JOIN "opinion"
3699 JOIN "direct_interest_snapshot" AS "snapshot"
3700 ON "snapshot"."issue_id" = "issue"."id"
3701 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3702 AND "snapshot"."member_id" = "opinion"."member_id"
3703 WHERE "issue"."id" = "issue_id_p"
3704 AND "opinion"."suggestion_id" = "suggestion_id_v"
3705 AND "opinion"."degree" = 2
3706 AND "opinion"."fulfilled" = TRUE
3707 )
3708 WHERE "suggestion"."id" = "suggestion_id_v";
3709 END LOOP;
3710 END LOOP;
3711 RETURN;
3712 END;
3713 $$;
3715 COMMENT ON FUNCTION "create_snapshot"
3716 ( "issue"."id"%TYPE )
3717 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.';
3720 CREATE FUNCTION "set_snapshot_event"
3721 ( "issue_id_p" "issue"."id"%TYPE,
3722 "event_p" "snapshot_event" )
3723 RETURNS VOID
3724 LANGUAGE 'plpgsql' VOLATILE AS $$
3725 DECLARE
3726 "event_v" "issue"."latest_snapshot_event"%TYPE;
3727 BEGIN
3728 PERFORM "require_transaction_isolation"();
3729 SELECT "latest_snapshot_event" INTO "event_v" FROM "issue"
3730 WHERE "id" = "issue_id_p" FOR UPDATE;
3731 UPDATE "issue" SET "latest_snapshot_event" = "event_p"
3732 WHERE "id" = "issue_id_p";
3733 UPDATE "direct_population_snapshot" SET "event" = "event_p"
3734 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
3735 UPDATE "delegating_population_snapshot" SET "event" = "event_p"
3736 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
3737 UPDATE "direct_interest_snapshot" SET "event" = "event_p"
3738 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
3739 UPDATE "delegating_interest_snapshot" SET "event" = "event_p"
3740 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
3741 UPDATE "direct_supporter_snapshot" SET "event" = "event_p"
3742 FROM "initiative" -- NOTE: due to missing index on issue_id
3743 WHERE "initiative"."issue_id" = "issue_id_p"
3744 AND "direct_supporter_snapshot"."initiative_id" = "initiative"."id"
3745 AND "direct_supporter_snapshot"."event" = "event_v";
3746 RETURN;
3747 END;
3748 $$;
3750 COMMENT ON FUNCTION "set_snapshot_event"
3751 ( "issue"."id"%TYPE,
3752 "snapshot_event" )
3753 IS 'Change "event" attribute of the previous ''periodic'' snapshot';
3757 -----------------------
3758 -- Counting of votes --
3759 -----------------------
3762 CREATE FUNCTION "weight_of_added_vote_delegations"
3763 ( "issue_id_p" "issue"."id"%TYPE,
3764 "member_id_p" "member"."id"%TYPE,
3765 "delegate_member_ids_p" "delegating_voter"."delegate_member_ids"%TYPE )
3766 RETURNS "direct_voter"."weight"%TYPE
3767 LANGUAGE 'plpgsql' VOLATILE AS $$
3768 DECLARE
3769 "issue_delegation_row" "issue_delegation"%ROWTYPE;
3770 "delegate_member_ids_v" "delegating_voter"."delegate_member_ids"%TYPE;
3771 "weight_v" INT4;
3772 "sub_weight_v" INT4;
3773 BEGIN
3774 PERFORM "require_transaction_isolation"();
3775 "weight_v" := 0;
3776 FOR "issue_delegation_row" IN
3777 SELECT * FROM "issue_delegation"
3778 WHERE "trustee_id" = "member_id_p"
3779 AND "issue_id" = "issue_id_p"
3780 LOOP
3781 IF NOT EXISTS (
3782 SELECT NULL FROM "direct_voter"
3783 WHERE "member_id" = "issue_delegation_row"."truster_id"
3784 AND "issue_id" = "issue_id_p"
3785 ) AND NOT EXISTS (
3786 SELECT NULL FROM "delegating_voter"
3787 WHERE "member_id" = "issue_delegation_row"."truster_id"
3788 AND "issue_id" = "issue_id_p"
3789 ) THEN
3790 "delegate_member_ids_v" :=
3791 "member_id_p" || "delegate_member_ids_p";
3792 INSERT INTO "delegating_voter" (
3793 "issue_id",
3794 "member_id",
3795 "scope",
3796 "delegate_member_ids"
3797 ) VALUES (
3798 "issue_id_p",
3799 "issue_delegation_row"."truster_id",
3800 "issue_delegation_row"."scope",
3801 "delegate_member_ids_v"
3802 );
3803 "sub_weight_v" := 1 +
3804 "weight_of_added_vote_delegations"(
3805 "issue_id_p",
3806 "issue_delegation_row"."truster_id",
3807 "delegate_member_ids_v"
3808 );
3809 UPDATE "delegating_voter"
3810 SET "weight" = "sub_weight_v"
3811 WHERE "issue_id" = "issue_id_p"
3812 AND "member_id" = "issue_delegation_row"."truster_id";
3813 "weight_v" := "weight_v" + "sub_weight_v";
3814 END IF;
3815 END LOOP;
3816 RETURN "weight_v";
3817 END;
3818 $$;
3820 COMMENT ON FUNCTION "weight_of_added_vote_delegations"
3821 ( "issue"."id"%TYPE,
3822 "member"."id"%TYPE,
3823 "delegating_voter"."delegate_member_ids"%TYPE )
3824 IS 'Helper function for "add_vote_delegations" function';
3827 CREATE FUNCTION "add_vote_delegations"
3828 ( "issue_id_p" "issue"."id"%TYPE )
3829 RETURNS VOID
3830 LANGUAGE 'plpgsql' VOLATILE AS $$
3831 DECLARE
3832 "member_id_v" "member"."id"%TYPE;
3833 BEGIN
3834 PERFORM "require_transaction_isolation"();
3835 FOR "member_id_v" IN
3836 SELECT "member_id" FROM "direct_voter"
3837 WHERE "issue_id" = "issue_id_p"
3838 LOOP
3839 UPDATE "direct_voter" SET
3840 "weight" = "weight" + "weight_of_added_vote_delegations"(
3841 "issue_id_p",
3842 "member_id_v",
3843 '{}'
3844 )
3845 WHERE "member_id" = "member_id_v"
3846 AND "issue_id" = "issue_id_p";
3847 END LOOP;
3848 RETURN;
3849 END;
3850 $$;
3852 COMMENT ON FUNCTION "add_vote_delegations"
3853 ( "issue_id_p" "issue"."id"%TYPE )
3854 IS 'Helper function for "close_voting" function';
3857 CREATE FUNCTION "close_voting"("issue_id_p" "issue"."id"%TYPE)
3858 RETURNS VOID
3859 LANGUAGE 'plpgsql' VOLATILE AS $$
3860 DECLARE
3861 "area_id_v" "area"."id"%TYPE;
3862 "unit_id_v" "unit"."id"%TYPE;
3863 "member_id_v" "member"."id"%TYPE;
3864 BEGIN
3865 PERFORM "require_transaction_isolation"();
3866 SELECT "area_id" INTO "area_id_v" FROM "issue" WHERE "id" = "issue_id_p";
3867 SELECT "unit_id" INTO "unit_id_v" FROM "area" WHERE "id" = "area_id_v";
3868 -- override protection triggers:
3869 INSERT INTO "temporary_transaction_data" ("key", "value")
3870 VALUES ('override_protection_triggers', TRUE::TEXT);
3871 -- delete timestamp of voting comment:
3872 UPDATE "direct_voter" SET "comment_changed" = NULL
3873 WHERE "issue_id" = "issue_id_p";
3874 -- delete delegating votes (in cases of manual reset of issue state):
3875 DELETE FROM "delegating_voter"
3876 WHERE "issue_id" = "issue_id_p";
3877 -- delete votes from non-privileged voters:
3878 DELETE FROM "direct_voter"
3879 USING (
3880 SELECT
3881 "direct_voter"."member_id"
3882 FROM "direct_voter"
3883 JOIN "member" ON "direct_voter"."member_id" = "member"."id"
3884 LEFT JOIN "privilege"
3885 ON "privilege"."unit_id" = "unit_id_v"
3886 AND "privilege"."member_id" = "direct_voter"."member_id"
3887 WHERE "direct_voter"."issue_id" = "issue_id_p" AND (
3888 "member"."active" = FALSE OR
3889 "privilege"."voting_right" ISNULL OR
3890 "privilege"."voting_right" = FALSE
3891 )
3892 ) AS "subquery"
3893 WHERE "direct_voter"."issue_id" = "issue_id_p"
3894 AND "direct_voter"."member_id" = "subquery"."member_id";
3895 -- consider delegations:
3896 UPDATE "direct_voter" SET "weight" = 1
3897 WHERE "issue_id" = "issue_id_p";
3898 PERFORM "add_vote_delegations"("issue_id_p");
3899 -- mark first preferences:
3900 UPDATE "vote" SET "first_preference" = "subquery"."first_preference"
3901 FROM (
3902 SELECT
3903 "vote"."initiative_id",
3904 "vote"."member_id",
3905 CASE WHEN "vote"."grade" > 0 THEN
3906 CASE WHEN "vote"."grade" = max("agg"."grade") THEN TRUE ELSE FALSE END
3907 ELSE NULL
3908 END AS "first_preference"
3909 FROM "vote"
3910 JOIN "initiative" -- NOTE: due to missing index on issue_id
3911 ON "vote"."issue_id" = "initiative"."issue_id"
3912 JOIN "vote" AS "agg"
3913 ON "initiative"."id" = "agg"."initiative_id"
3914 AND "vote"."member_id" = "agg"."member_id"
3915 GROUP BY "vote"."initiative_id", "vote"."member_id", "vote"."grade"
3916 ) AS "subquery"
3917 WHERE "vote"."issue_id" = "issue_id_p"
3918 AND "vote"."initiative_id" = "subquery"."initiative_id"
3919 AND "vote"."member_id" = "subquery"."member_id";
3920 -- finish overriding protection triggers (avoids garbage):
3921 DELETE FROM "temporary_transaction_data"
3922 WHERE "key" = 'override_protection_triggers';
3923 -- materialize battle_view:
3924 -- NOTE: "closed" column of issue must be set at this point
3925 DELETE FROM "battle" WHERE "issue_id" = "issue_id_p";
3926 INSERT INTO "battle" (
3927 "issue_id",
3928 "winning_initiative_id", "losing_initiative_id",
3929 "count"
3930 ) SELECT
3931 "issue_id",
3932 "winning_initiative_id", "losing_initiative_id",
3933 "count"
3934 FROM "battle_view" WHERE "issue_id" = "issue_id_p";
3935 -- set voter count:
3936 UPDATE "issue" SET
3937 "voter_count" = (
3938 SELECT coalesce(sum("weight"), 0)
3939 FROM "direct_voter" WHERE "issue_id" = "issue_id_p"
3940 )
3941 WHERE "id" = "issue_id_p";
3942 -- copy "positive_votes" and "negative_votes" from "battle" table:
3943 -- NOTE: "first_preference_votes" is set to a default of 0 at this step
3944 UPDATE "initiative" SET
3945 "first_preference_votes" = 0,
3946 "positive_votes" = "battle_win"."count",
3947 "negative_votes" = "battle_lose"."count"
3948 FROM "battle" AS "battle_win", "battle" AS "battle_lose"
3949 WHERE
3950 "battle_win"."issue_id" = "issue_id_p" AND
3951 "battle_win"."winning_initiative_id" = "initiative"."id" AND
3952 "battle_win"."losing_initiative_id" ISNULL AND
3953 "battle_lose"."issue_id" = "issue_id_p" AND
3954 "battle_lose"."losing_initiative_id" = "initiative"."id" AND
3955 "battle_lose"."winning_initiative_id" ISNULL;
3956 -- calculate "first_preference_votes":
3957 -- NOTE: will only set values not equal to zero
3958 UPDATE "initiative" SET "first_preference_votes" = "subquery"."sum"
3959 FROM (
3960 SELECT "vote"."initiative_id", sum("direct_voter"."weight")
3961 FROM "vote" JOIN "direct_voter"
3962 ON "vote"."issue_id" = "direct_voter"."issue_id"
3963 AND "vote"."member_id" = "direct_voter"."member_id"
3964 WHERE "vote"."first_preference"
3965 GROUP BY "vote"."initiative_id"
3966 ) AS "subquery"
3967 WHERE "initiative"."issue_id" = "issue_id_p"
3968 AND "initiative"."admitted"
3969 AND "initiative"."id" = "subquery"."initiative_id";
3970 END;
3971 $$;
3973 COMMENT ON FUNCTION "close_voting"
3974 ( "issue"."id"%TYPE )
3975 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.';
3978 CREATE FUNCTION "defeat_strength"
3979 ( "positive_votes_p" INT4,
3980 "negative_votes_p" INT4,
3981 "defeat_strength_p" "defeat_strength" )
3982 RETURNS INT8
3983 LANGUAGE 'plpgsql' IMMUTABLE AS $$
3984 BEGIN
3985 IF "defeat_strength_p" = 'simple'::"defeat_strength" THEN
3986 IF "positive_votes_p" > "negative_votes_p" THEN
3987 RETURN "positive_votes_p";
3988 ELSE
3989 RETURN 0;
3990 END IF;
3991 ELSE
3992 IF "positive_votes_p" > "negative_votes_p" THEN
3993 RETURN ("positive_votes_p"::INT8 << 31) - "negative_votes_p"::INT8;
3994 ELSIF "positive_votes_p" = "negative_votes_p" THEN
3995 RETURN 0;
3996 ELSE
3997 RETURN -1;
3998 END IF;
3999 END IF;
4000 END;
4001 $$;
4003 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")';
4006 CREATE FUNCTION "secondary_link_strength"
4007 ( "initiative1_ord_p" INT4,
4008 "initiative2_ord_p" INT4,
4009 "tie_breaking_p" "tie_breaking" )
4010 RETURNS INT8
4011 LANGUAGE 'plpgsql' IMMUTABLE AS $$
4012 BEGIN
4013 IF "initiative1_ord_p" = "initiative2_ord_p" THEN
4014 RAISE EXCEPTION 'Identical initiative ids passed to "secondary_link_strength" function (should not happen)';
4015 END IF;
4016 RETURN (
4017 CASE WHEN "tie_breaking_p" = 'simple'::"tie_breaking" THEN
4018 0
4019 ELSE
4020 CASE WHEN "initiative1_ord_p" < "initiative2_ord_p" THEN
4021 1::INT8 << 62
4022 ELSE 0 END
4023 +
4024 CASE WHEN "tie_breaking_p" = 'variant2'::"tie_breaking" THEN
4025 ("initiative2_ord_p"::INT8 << 31) - "initiative1_ord_p"::INT8
4026 ELSE
4027 "initiative2_ord_p"::INT8 - ("initiative1_ord_p"::INT8 << 31)
4028 END
4029 END
4030 );
4031 END;
4032 $$;
4034 COMMENT ON FUNCTION "secondary_link_strength"(INT4, INT4, "tie_breaking") IS 'Calculates a secondary criterion for the defeat strength (tie-breaking of the links)';
4037 CREATE TYPE "link_strength" AS (
4038 "primary" INT8,
4039 "secondary" INT8 );
4041 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'')';
4044 CREATE FUNCTION "find_best_paths"("matrix_d" "link_strength"[][])
4045 RETURNS "link_strength"[][]
4046 LANGUAGE 'plpgsql' IMMUTABLE AS $$
4047 DECLARE
4048 "dimension_v" INT4;
4049 "matrix_p" "link_strength"[][];
4050 "i" INT4;
4051 "j" INT4;
4052 "k" INT4;
4053 BEGIN
4054 "dimension_v" := array_upper("matrix_d", 1);
4055 "matrix_p" := "matrix_d";
4056 "i" := 1;
4057 LOOP
4058 "j" := 1;
4059 LOOP
4060 IF "i" != "j" THEN
4061 "k" := 1;
4062 LOOP
4063 IF "i" != "k" AND "j" != "k" THEN
4064 IF "matrix_p"["j"]["i"] < "matrix_p"["i"]["k"] THEN
4065 IF "matrix_p"["j"]["i"] > "matrix_p"["j"]["k"] THEN
4066 "matrix_p"["j"]["k"] := "matrix_p"["j"]["i"];
4067 END IF;
4068 ELSE
4069 IF "matrix_p"["i"]["k"] > "matrix_p"["j"]["k"] THEN
4070 "matrix_p"["j"]["k"] := "matrix_p"["i"]["k"];
4071 END IF;
4072 END IF;
4073 END IF;
4074 EXIT WHEN "k" = "dimension_v";
4075 "k" := "k" + 1;
4076 END LOOP;
4077 END IF;
4078 EXIT WHEN "j" = "dimension_v";
4079 "j" := "j" + 1;
4080 END LOOP;
4081 EXIT WHEN "i" = "dimension_v";
4082 "i" := "i" + 1;
4083 END LOOP;
4084 RETURN "matrix_p";
4085 END;
4086 $$;
4088 COMMENT ON FUNCTION "find_best_paths"("link_strength"[][]) IS 'Computes the strengths of the best beat-paths from a square matrix';
4091 CREATE FUNCTION "calculate_ranks"("issue_id_p" "issue"."id"%TYPE)
4092 RETURNS VOID
4093 LANGUAGE 'plpgsql' VOLATILE AS $$
4094 DECLARE
4095 "issue_row" "issue"%ROWTYPE;
4096 "policy_row" "policy"%ROWTYPE;
4097 "dimension_v" INT4;
4098 "matrix_a" INT4[][]; -- absolute votes
4099 "matrix_d" "link_strength"[][]; -- defeat strength (direct)
4100 "matrix_p" "link_strength"[][]; -- defeat strength (best path)
4101 "matrix_t" "link_strength"[][]; -- defeat strength (tie-breaking)
4102 "matrix_f" BOOLEAN[][]; -- forbidden link (tie-breaking)
4103 "matrix_b" BOOLEAN[][]; -- final order (who beats who)
4104 "i" INT4;
4105 "j" INT4;
4106 "m" INT4;
4107 "n" INT4;
4108 "battle_row" "battle"%ROWTYPE;
4109 "rank_ary" INT4[];
4110 "rank_v" INT4;
4111 "initiative_id_v" "initiative"."id"%TYPE;
4112 BEGIN
4113 PERFORM "require_transaction_isolation"();
4114 SELECT * INTO "issue_row"
4115 FROM "issue" WHERE "id" = "issue_id_p";
4116 SELECT * INTO "policy_row"
4117 FROM "policy" WHERE "id" = "issue_row"."policy_id";
4118 SELECT count(1) INTO "dimension_v"
4119 FROM "battle_participant" WHERE "issue_id" = "issue_id_p";
4120 -- create "matrix_a" with absolute number of votes in pairwise
4121 -- comparison:
4122 "matrix_a" := array_fill(NULL::INT4, ARRAY["dimension_v", "dimension_v"]);
4123 "i" := 1;
4124 "j" := 2;
4125 FOR "battle_row" IN
4126 SELECT * FROM "battle" WHERE "issue_id" = "issue_id_p"
4127 ORDER BY
4128 "winning_initiative_id" NULLS FIRST,
4129 "losing_initiative_id" NULLS FIRST
4130 LOOP
4131 "matrix_a"["i"]["j"] := "battle_row"."count";
4132 IF "j" = "dimension_v" THEN
4133 "i" := "i" + 1;
4134 "j" := 1;
4135 ELSE
4136 "j" := "j" + 1;
4137 IF "j" = "i" THEN
4138 "j" := "j" + 1;
4139 END IF;
4140 END IF;
4141 END LOOP;
4142 IF "i" != "dimension_v" OR "j" != "dimension_v" + 1 THEN
4143 RAISE EXCEPTION 'Wrong battle count (should not happen)';
4144 END IF;
4145 -- store direct defeat strengths in "matrix_d" using "defeat_strength"
4146 -- and "secondary_link_strength" functions:
4147 "matrix_d" := array_fill(NULL::INT8, ARRAY["dimension_v", "dimension_v"]);
4148 "i" := 1;
4149 LOOP
4150 "j" := 1;
4151 LOOP
4152 IF "i" != "j" THEN
4153 "matrix_d"["i"]["j"] := (
4154 "defeat_strength"(
4155 "matrix_a"["i"]["j"],
4156 "matrix_a"["j"]["i"],
4157 "policy_row"."defeat_strength"
4158 ),
4159 "secondary_link_strength"(
4160 "i",
4161 "j",
4162 "policy_row"."tie_breaking"
4163 )
4164 )::"link_strength";
4165 END IF;
4166 EXIT WHEN "j" = "dimension_v";
4167 "j" := "j" + 1;
4168 END LOOP;
4169 EXIT WHEN "i" = "dimension_v";
4170 "i" := "i" + 1;
4171 END LOOP;
4172 -- find best paths:
4173 "matrix_p" := "find_best_paths"("matrix_d");
4174 -- create partial order:
4175 "matrix_b" := array_fill(NULL::BOOLEAN, ARRAY["dimension_v", "dimension_v"]);
4176 "i" := 1;
4177 LOOP
4178 "j" := "i" + 1;
4179 LOOP
4180 IF "i" != "j" THEN
4181 IF "matrix_p"["i"]["j"] > "matrix_p"["j"]["i"] THEN
4182 "matrix_b"["i"]["j"] := TRUE;
4183 "matrix_b"["j"]["i"] := FALSE;
4184 ELSIF "matrix_p"["i"]["j"] < "matrix_p"["j"]["i"] THEN
4185 "matrix_b"["i"]["j"] := FALSE;
4186 "matrix_b"["j"]["i"] := TRUE;
4187 END IF;
4188 END IF;
4189 EXIT WHEN "j" = "dimension_v";
4190 "j" := "j" + 1;
4191 END LOOP;
4192 EXIT WHEN "i" = "dimension_v" - 1;
4193 "i" := "i" + 1;
4194 END LOOP;
4195 -- tie-breaking by forbidding shared weakest links in beat-paths
4196 -- (unless "tie_breaking" is set to 'simple', in which case tie-breaking
4197 -- is performed later by initiative id):
4198 IF "policy_row"."tie_breaking" != 'simple'::"tie_breaking" THEN
4199 "m" := 1;
4200 LOOP
4201 "n" := "m" + 1;
4202 LOOP
4203 -- only process those candidates m and n, which are tied:
4204 IF "matrix_b"["m"]["n"] ISNULL THEN
4205 -- start with beat-paths prior tie-breaking:
4206 "matrix_t" := "matrix_p";
4207 -- start with all links allowed:
4208 "matrix_f" := array_fill(FALSE, ARRAY["dimension_v", "dimension_v"]);
4209 LOOP
4210 -- determine (and forbid) that link that is the weakest link
4211 -- in both the best path from candidate m to candidate n and
4212 -- from candidate n to candidate m:
4213 "i" := 1;
4214 <<forbid_one_link>>
4215 LOOP
4216 "j" := 1;
4217 LOOP
4218 IF "i" != "j" THEN
4219 IF "matrix_d"["i"]["j"] = "matrix_t"["m"]["n"] THEN
4220 "matrix_f"["i"]["j"] := TRUE;
4221 -- exit for performance reasons,
4222 -- as exactly one link will be found:
4223 EXIT forbid_one_link;
4224 END IF;
4225 END IF;
4226 EXIT WHEN "j" = "dimension_v";
4227 "j" := "j" + 1;
4228 END LOOP;
4229 IF "i" = "dimension_v" THEN
4230 RAISE EXCEPTION 'Did not find shared weakest link for tie-breaking (should not happen)';
4231 END IF;
4232 "i" := "i" + 1;
4233 END LOOP;
4234 -- calculate best beat-paths while ignoring forbidden links:
4235 "i" := 1;
4236 LOOP
4237 "j" := 1;
4238 LOOP
4239 IF "i" != "j" THEN
4240 "matrix_t"["i"]["j"] := CASE
4241 WHEN "matrix_f"["i"]["j"]
4242 THEN ((-1::INT8) << 63, 0)::"link_strength" -- worst possible value
4243 ELSE "matrix_d"["i"]["j"] END;
4244 END IF;
4245 EXIT WHEN "j" = "dimension_v";
4246 "j" := "j" + 1;
4247 END LOOP;
4248 EXIT WHEN "i" = "dimension_v";
4249 "i" := "i" + 1;
4250 END LOOP;
4251 "matrix_t" := "find_best_paths"("matrix_t");
4252 -- extend partial order, if tie-breaking was successful:
4253 IF "matrix_t"["m"]["n"] > "matrix_t"["n"]["m"] THEN
4254 "matrix_b"["m"]["n"] := TRUE;
4255 "matrix_b"["n"]["m"] := FALSE;
4256 EXIT;
4257 ELSIF "matrix_t"["m"]["n"] < "matrix_t"["n"]["m"] THEN
4258 "matrix_b"["m"]["n"] := FALSE;
4259 "matrix_b"["n"]["m"] := TRUE;
4260 EXIT;
4261 END IF;
4262 END LOOP;
4263 END IF;
4264 EXIT WHEN "n" = "dimension_v";
4265 "n" := "n" + 1;
4266 END LOOP;
4267 EXIT WHEN "m" = "dimension_v" - 1;
4268 "m" := "m" + 1;
4269 END LOOP;
4270 END IF;
4271 -- store a unique ranking in "rank_ary":
4272 "rank_ary" := array_fill(NULL::INT4, ARRAY["dimension_v"]);
4273 "rank_v" := 1;
4274 LOOP
4275 "i" := 1;
4276 <<assign_next_rank>>
4277 LOOP
4278 IF "rank_ary"["i"] ISNULL THEN
4279 "j" := 1;
4280 LOOP
4281 IF
4282 "i" != "j" AND
4283 "rank_ary"["j"] ISNULL AND
4284 ( "matrix_b"["j"]["i"] OR
4285 -- tie-breaking by "id"
4286 ( "matrix_b"["j"]["i"] ISNULL AND
4287 "j" < "i" ) )
4288 THEN
4289 -- someone else is better
4290 EXIT;
4291 END IF;
4292 IF "j" = "dimension_v" THEN
4293 -- noone is better
4294 "rank_ary"["i"] := "rank_v";
4295 EXIT assign_next_rank;
4296 END IF;
4297 "j" := "j" + 1;
4298 END LOOP;
4299 END IF;
4300 "i" := "i" + 1;
4301 IF "i" > "dimension_v" THEN
4302 RAISE EXCEPTION 'Schulze ranking does not compute (should not happen)';
4303 END IF;
4304 END LOOP;
4305 EXIT WHEN "rank_v" = "dimension_v";
4306 "rank_v" := "rank_v" + 1;
4307 END LOOP;
4308 -- write preliminary results:
4309 "i" := 2; -- omit status quo with "i" = 1
4310 FOR "initiative_id_v" IN
4311 SELECT "id" FROM "initiative"
4312 WHERE "issue_id" = "issue_id_p" AND "admitted"
4313 ORDER BY "id"
4314 LOOP
4315 UPDATE "initiative" SET
4316 "direct_majority" =
4317 CASE WHEN "policy_row"."direct_majority_strict" THEN
4318 "positive_votes" * "policy_row"."direct_majority_den" >
4319 "policy_row"."direct_majority_num" * ("positive_votes"+"negative_votes")
4320 ELSE
4321 "positive_votes" * "policy_row"."direct_majority_den" >=
4322 "policy_row"."direct_majority_num" * ("positive_votes"+"negative_votes")
4323 END
4324 AND "positive_votes" >= "policy_row"."direct_majority_positive"
4325 AND "issue_row"."voter_count"-"negative_votes" >=
4326 "policy_row"."direct_majority_non_negative",
4327 "indirect_majority" =
4328 CASE WHEN "policy_row"."indirect_majority_strict" THEN
4329 "positive_votes" * "policy_row"."indirect_majority_den" >
4330 "policy_row"."indirect_majority_num" * ("positive_votes"+"negative_votes")
4331 ELSE
4332 "positive_votes" * "policy_row"."indirect_majority_den" >=
4333 "policy_row"."indirect_majority_num" * ("positive_votes"+"negative_votes")
4334 END
4335 AND "positive_votes" >= "policy_row"."indirect_majority_positive"
4336 AND "issue_row"."voter_count"-"negative_votes" >=
4337 "policy_row"."indirect_majority_non_negative",
4338 "schulze_rank" = "rank_ary"["i"],
4339 "better_than_status_quo" = "rank_ary"["i"] < "rank_ary"[1],
4340 "worse_than_status_quo" = "rank_ary"["i"] > "rank_ary"[1],
4341 "multistage_majority" = "rank_ary"["i"] >= "rank_ary"[1],
4342 "reverse_beat_path" = CASE WHEN "policy_row"."defeat_strength" = 'simple'::"defeat_strength"
4343 THEN NULL
4344 ELSE "matrix_p"[1]["i"]."primary" >= 0 END,
4345 "eligible" = FALSE,
4346 "winner" = FALSE,
4347 "rank" = NULL -- NOTE: in cases of manual reset of issue state
4348 WHERE "id" = "initiative_id_v";
4349 "i" := "i" + 1;
4350 END LOOP;
4351 IF "i" != "dimension_v" + 1 THEN
4352 RAISE EXCEPTION 'Wrong winner count (should not happen)';
4353 END IF;
4354 -- take indirect majorities into account:
4355 LOOP
4356 UPDATE "initiative" SET "indirect_majority" = TRUE
4357 FROM (
4358 SELECT "new_initiative"."id" AS "initiative_id"
4359 FROM "initiative" "old_initiative"
4360 JOIN "initiative" "new_initiative"
4361 ON "new_initiative"."issue_id" = "issue_id_p"
4362 AND "new_initiative"."indirect_majority" = FALSE
4363 JOIN "battle" "battle_win"
4364 ON "battle_win"."issue_id" = "issue_id_p"
4365 AND "battle_win"."winning_initiative_id" = "new_initiative"."id"
4366 AND "battle_win"."losing_initiative_id" = "old_initiative"."id"
4367 JOIN "battle" "battle_lose"
4368 ON "battle_lose"."issue_id" = "issue_id_p"
4369 AND "battle_lose"."losing_initiative_id" = "new_initiative"."id"
4370 AND "battle_lose"."winning_initiative_id" = "old_initiative"."id"
4371 WHERE "old_initiative"."issue_id" = "issue_id_p"
4372 AND "old_initiative"."indirect_majority" = TRUE
4373 AND CASE WHEN "policy_row"."indirect_majority_strict" THEN
4374 "battle_win"."count" * "policy_row"."indirect_majority_den" >
4375 "policy_row"."indirect_majority_num" *
4376 ("battle_win"."count"+"battle_lose"."count")
4377 ELSE
4378 "battle_win"."count" * "policy_row"."indirect_majority_den" >=
4379 "policy_row"."indirect_majority_num" *
4380 ("battle_win"."count"+"battle_lose"."count")
4381 END
4382 AND "battle_win"."count" >= "policy_row"."indirect_majority_positive"
4383 AND "issue_row"."voter_count"-"battle_lose"."count" >=
4384 "policy_row"."indirect_majority_non_negative"
4385 ) AS "subquery"
4386 WHERE "id" = "subquery"."initiative_id";
4387 EXIT WHEN NOT FOUND;
4388 END LOOP;
4389 -- set "multistage_majority" for remaining matching initiatives:
4390 UPDATE "initiative" SET "multistage_majority" = TRUE
4391 FROM (
4392 SELECT "losing_initiative"."id" AS "initiative_id"
4393 FROM "initiative" "losing_initiative"
4394 JOIN "initiative" "winning_initiative"
4395 ON "winning_initiative"."issue_id" = "issue_id_p"
4396 AND "winning_initiative"."admitted"
4397 JOIN "battle" "battle_win"
4398 ON "battle_win"."issue_id" = "issue_id_p"
4399 AND "battle_win"."winning_initiative_id" = "winning_initiative"."id"
4400 AND "battle_win"."losing_initiative_id" = "losing_initiative"."id"
4401 JOIN "battle" "battle_lose"
4402 ON "battle_lose"."issue_id" = "issue_id_p"
4403 AND "battle_lose"."losing_initiative_id" = "winning_initiative"."id"
4404 AND "battle_lose"."winning_initiative_id" = "losing_initiative"."id"
4405 WHERE "losing_initiative"."issue_id" = "issue_id_p"
4406 AND "losing_initiative"."admitted"
4407 AND "winning_initiative"."schulze_rank" <
4408 "losing_initiative"."schulze_rank"
4409 AND "battle_win"."count" > "battle_lose"."count"
4410 AND (
4411 "battle_win"."count" > "winning_initiative"."positive_votes" OR
4412 "battle_lose"."count" < "losing_initiative"."negative_votes" )
4413 ) AS "subquery"
4414 WHERE "id" = "subquery"."initiative_id";
4415 -- mark eligible initiatives:
4416 UPDATE "initiative" SET "eligible" = TRUE
4417 WHERE "issue_id" = "issue_id_p"
4418 AND "initiative"."direct_majority"
4419 AND "initiative"."indirect_majority"
4420 AND "initiative"."better_than_status_quo"
4421 AND (
4422 "policy_row"."no_multistage_majority" = FALSE OR
4423 "initiative"."multistage_majority" = FALSE )
4424 AND (
4425 "policy_row"."no_reverse_beat_path" = FALSE OR
4426 coalesce("initiative"."reverse_beat_path", FALSE) = FALSE );
4427 -- mark final winner:
4428 UPDATE "initiative" SET "winner" = TRUE
4429 FROM (
4430 SELECT "id" AS "initiative_id"
4431 FROM "initiative"
4432 WHERE "issue_id" = "issue_id_p" AND "eligible"
4433 ORDER BY
4434 "schulze_rank",
4435 "id"
4436 LIMIT 1
4437 ) AS "subquery"
4438 WHERE "id" = "subquery"."initiative_id";
4439 -- write (final) ranks:
4440 "rank_v" := 1;
4441 FOR "initiative_id_v" IN
4442 SELECT "id"
4443 FROM "initiative"
4444 WHERE "issue_id" = "issue_id_p" AND "admitted"
4445 ORDER BY
4446 "winner" DESC,
4447 "eligible" DESC,
4448 "schulze_rank",
4449 "id"
4450 LOOP
4451 UPDATE "initiative" SET "rank" = "rank_v"
4452 WHERE "id" = "initiative_id_v";
4453 "rank_v" := "rank_v" + 1;
4454 END LOOP;
4455 -- set schulze rank of status quo and mark issue as finished:
4456 UPDATE "issue" SET
4457 "status_quo_schulze_rank" = "rank_ary"[1],
4458 "state" =
4459 CASE WHEN EXISTS (
4460 SELECT NULL FROM "initiative"
4461 WHERE "issue_id" = "issue_id_p" AND "winner"
4462 ) THEN
4463 'finished_with_winner'::"issue_state"
4464 ELSE
4465 'finished_without_winner'::"issue_state"
4466 END,
4467 "closed" = "phase_finished",
4468 "phase_finished" = NULL
4469 WHERE "id" = "issue_id_p";
4470 RETURN;
4471 END;
4472 $$;
4474 COMMENT ON FUNCTION "calculate_ranks"
4475 ( "issue"."id"%TYPE )
4476 IS 'Determine ranking (Votes have to be counted first)';
4480 -----------------------------
4481 -- Automatic state changes --
4482 -----------------------------
4485 CREATE TYPE "check_issue_persistence" AS (
4486 "state" "issue_state",
4487 "phase_finished" BOOLEAN,
4488 "issue_revoked" BOOLEAN,
4489 "snapshot_created" BOOLEAN,
4490 "harmonic_weights_set" BOOLEAN,
4491 "closed_voting" BOOLEAN );
4493 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';
4496 CREATE FUNCTION "check_issue"
4497 ( "issue_id_p" "issue"."id"%TYPE,
4498 "persist" "check_issue_persistence" )
4499 RETURNS "check_issue_persistence"
4500 LANGUAGE 'plpgsql' VOLATILE AS $$
4501 DECLARE
4502 "issue_row" "issue"%ROWTYPE;
4503 "policy_row" "policy"%ROWTYPE;
4504 "initiative_row" "initiative"%ROWTYPE;
4505 "state_v" "issue_state";
4506 BEGIN
4507 PERFORM "require_transaction_isolation"();
4508 IF "persist" ISNULL THEN
4509 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p"
4510 FOR UPDATE;
4511 IF "issue_row"."closed" NOTNULL THEN
4512 RETURN NULL;
4513 END IF;
4514 "persist"."state" := "issue_row"."state";
4515 IF
4516 ( "issue_row"."state" = 'admission' AND now() >=
4517 "issue_row"."created" + "issue_row"."max_admission_time" ) OR
4518 ( "issue_row"."state" = 'discussion' AND now() >=
4519 "issue_row"."accepted" + "issue_row"."discussion_time" ) OR
4520 ( "issue_row"."state" = 'verification' AND now() >=
4521 "issue_row"."half_frozen" + "issue_row"."verification_time" ) OR
4522 ( "issue_row"."state" = 'voting' AND now() >=
4523 "issue_row"."fully_frozen" + "issue_row"."voting_time" )
4524 THEN
4525 "persist"."phase_finished" := TRUE;
4526 ELSE
4527 "persist"."phase_finished" := FALSE;
4528 END IF;
4529 IF
4530 NOT EXISTS (
4531 -- all initiatives are revoked
4532 SELECT NULL FROM "initiative"
4533 WHERE "issue_id" = "issue_id_p" AND "revoked" ISNULL
4534 ) AND (
4535 -- and issue has not been accepted yet
4536 "persist"."state" = 'admission' OR
4537 -- or verification time has elapsed
4538 ( "persist"."state" = 'verification' AND
4539 "persist"."phase_finished" ) OR
4540 -- or no initiatives have been revoked lately
4541 NOT EXISTS (
4542 SELECT NULL FROM "initiative"
4543 WHERE "issue_id" = "issue_id_p"
4544 AND now() < "revoked" + "issue_row"."verification_time"
4545 )
4546 )
4547 THEN
4548 "persist"."issue_revoked" := TRUE;
4549 ELSE
4550 "persist"."issue_revoked" := FALSE;
4551 END IF;
4552 IF "persist"."phase_finished" OR "persist"."issue_revoked" THEN
4553 UPDATE "issue" SET "phase_finished" = now()
4554 WHERE "id" = "issue_row"."id";
4555 RETURN "persist";
4556 ELSIF
4557 "persist"."state" IN ('admission', 'discussion', 'verification')
4558 THEN
4559 RETURN "persist";
4560 ELSE
4561 RETURN NULL;
4562 END IF;
4563 END IF;
4564 IF
4565 "persist"."state" IN ('admission', 'discussion', 'verification') AND
4566 coalesce("persist"."snapshot_created", FALSE) = FALSE
4567 THEN
4568 PERFORM "create_snapshot"("issue_id_p");
4569 "persist"."snapshot_created" = TRUE;
4570 IF "persist"."phase_finished" THEN
4571 IF "persist"."state" = 'admission' THEN
4572 PERFORM "set_snapshot_event"("issue_id_p", 'end_of_admission');
4573 ELSIF "persist"."state" = 'discussion' THEN
4574 PERFORM "set_snapshot_event"("issue_id_p", 'half_freeze');
4575 ELSIF "persist"."state" = 'verification' THEN
4576 PERFORM "set_snapshot_event"("issue_id_p", 'full_freeze');
4577 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p";
4578 SELECT * INTO "policy_row" FROM "policy"
4579 WHERE "id" = "issue_row"."policy_id";
4580 FOR "initiative_row" IN
4581 SELECT * FROM "initiative"
4582 WHERE "issue_id" = "issue_id_p" AND "revoked" ISNULL
4583 FOR UPDATE
4584 LOOP
4585 IF
4586 "initiative_row"."polling" OR (
4587 "initiative_row"."satisfied_supporter_count" > 0 AND
4588 "initiative_row"."satisfied_supporter_count" *
4589 "policy_row"."initiative_quorum_den" >=
4590 "issue_row"."population" * "policy_row"."initiative_quorum_num"
4591 )
4592 THEN
4593 UPDATE "initiative" SET "admitted" = TRUE
4594 WHERE "id" = "initiative_row"."id";
4595 ELSE
4596 UPDATE "initiative" SET "admitted" = FALSE
4597 WHERE "id" = "initiative_row"."id";
4598 END IF;
4599 END LOOP;
4600 END IF;
4601 END IF;
4602 RETURN "persist";
4603 END IF;
4604 IF
4605 "persist"."state" IN ('admission', 'discussion', 'verification') AND
4606 coalesce("persist"."harmonic_weights_set", FALSE) = FALSE
4607 THEN
4608 PERFORM "set_harmonic_initiative_weights"("issue_id_p");
4609 "persist"."harmonic_weights_set" = TRUE;
4610 IF
4611 "persist"."phase_finished" OR
4612 "persist"."issue_revoked" OR
4613 "persist"."state" = 'admission'
4614 THEN
4615 RETURN "persist";
4616 ELSE
4617 RETURN NULL;
4618 END IF;
4619 END IF;
4620 IF "persist"."issue_revoked" THEN
4621 IF "persist"."state" = 'admission' THEN
4622 "state_v" := 'canceled_revoked_before_accepted';
4623 ELSIF "persist"."state" = 'discussion' THEN
4624 "state_v" := 'canceled_after_revocation_during_discussion';
4625 ELSIF "persist"."state" = 'verification' THEN
4626 "state_v" := 'canceled_after_revocation_during_verification';
4627 END IF;
4628 UPDATE "issue" SET
4629 "state" = "state_v",
4630 "closed" = "phase_finished",
4631 "phase_finished" = NULL
4632 WHERE "id" = "issue_id_p";
4633 RETURN NULL;
4634 END IF;
4635 IF "persist"."state" = 'admission' THEN
4636 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p"
4637 FOR UPDATE;
4638 SELECT * INTO "policy_row"
4639 FROM "policy" WHERE "id" = "issue_row"."policy_id";
4640 IF
4641 ( now() >=
4642 "issue_row"."created" + "issue_row"."min_admission_time" ) AND
4643 EXISTS (
4644 SELECT NULL FROM "initiative"
4645 WHERE "issue_id" = "issue_id_p"
4646 AND "supporter_count" > 0
4647 AND "supporter_count" * "policy_row"."issue_quorum_den"
4648 >= "issue_row"."population" * "policy_row"."issue_quorum_num"
4649 )
4650 THEN
4651 UPDATE "issue" SET
4652 "state" = 'discussion',
4653 "accepted" = coalesce("phase_finished", now()),
4654 "phase_finished" = NULL
4655 WHERE "id" = "issue_id_p";
4656 ELSIF "issue_row"."phase_finished" NOTNULL THEN
4657 UPDATE "issue" SET
4658 "state" = 'canceled_issue_not_accepted',
4659 "closed" = "phase_finished",
4660 "phase_finished" = NULL
4661 WHERE "id" = "issue_id_p";
4662 END IF;
4663 RETURN NULL;
4664 END IF;
4665 IF "persist"."phase_finished" THEN
4666 IF "persist"."state" = 'discussion' THEN
4667 UPDATE "issue" SET
4668 "state" = 'verification',
4669 "half_frozen" = "phase_finished",
4670 "phase_finished" = NULL
4671 WHERE "id" = "issue_id_p";
4672 RETURN NULL;
4673 END IF;
4674 IF "persist"."state" = 'verification' THEN
4675 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p"
4676 FOR UPDATE;
4677 SELECT * INTO "policy_row" FROM "policy"
4678 WHERE "id" = "issue_row"."policy_id";
4679 IF EXISTS (
4680 SELECT NULL FROM "initiative"
4681 WHERE "issue_id" = "issue_id_p" AND "admitted" = TRUE
4682 ) THEN
4683 UPDATE "issue" SET
4684 "state" = 'voting',
4685 "fully_frozen" = "phase_finished",
4686 "phase_finished" = NULL
4687 WHERE "id" = "issue_id_p";
4688 ELSE
4689 UPDATE "issue" SET
4690 "state" = 'canceled_no_initiative_admitted',
4691 "fully_frozen" = "phase_finished",
4692 "closed" = "phase_finished",
4693 "phase_finished" = NULL
4694 WHERE "id" = "issue_id_p";
4695 -- NOTE: The following DELETE statements have effect only when
4696 -- issue state has been manipulated
4697 DELETE FROM "direct_voter" WHERE "issue_id" = "issue_id_p";
4698 DELETE FROM "delegating_voter" WHERE "issue_id" = "issue_id_p";
4699 DELETE FROM "battle" WHERE "issue_id" = "issue_id_p";
4700 END IF;
4701 RETURN NULL;
4702 END IF;
4703 IF "persist"."state" = 'voting' THEN
4704 IF coalesce("persist"."closed_voting", FALSE) = FALSE THEN
4705 PERFORM "close_voting"("issue_id_p");
4706 "persist"."closed_voting" = TRUE;
4707 RETURN "persist";
4708 END IF;
4709 PERFORM "calculate_ranks"("issue_id_p");
4710 RETURN NULL;
4711 END IF;
4712 END IF;
4713 RAISE WARNING 'should not happen';
4714 RETURN NULL;
4715 END;
4716 $$;
4718 COMMENT ON FUNCTION "check_issue"
4719 ( "issue"."id"%TYPE,
4720 "check_issue_persistence" )
4721 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")';
4724 CREATE FUNCTION "check_everything"()
4725 RETURNS VOID
4726 LANGUAGE 'plpgsql' VOLATILE AS $$
4727 DECLARE
4728 "issue_id_v" "issue"."id"%TYPE;
4729 "persist_v" "check_issue_persistence";
4730 BEGIN
4731 RAISE WARNING 'Function "check_everything" should only be used for development and debugging purposes';
4732 DELETE FROM "expired_session";
4733 PERFORM "check_activity"();
4734 PERFORM "calculate_member_counts"();
4735 FOR "issue_id_v" IN SELECT "id" FROM "open_issue" LOOP
4736 "persist_v" := NULL;
4737 LOOP
4738 "persist_v" := "check_issue"("issue_id_v", "persist_v");
4739 EXIT WHEN "persist_v" ISNULL;
4740 END LOOP;
4741 END LOOP;
4742 RETURN;
4743 END;
4744 $$;
4746 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.';
4750 ----------------------
4751 -- Deletion of data --
4752 ----------------------
4755 CREATE FUNCTION "clean_issue"("issue_id_p" "issue"."id"%TYPE)
4756 RETURNS VOID
4757 LANGUAGE 'plpgsql' VOLATILE AS $$
4758 BEGIN
4759 IF EXISTS (
4760 SELECT NULL FROM "issue" WHERE "id" = "issue_id_p" AND "cleaned" ISNULL
4761 ) THEN
4762 -- override protection triggers:
4763 INSERT INTO "temporary_transaction_data" ("key", "value")
4764 VALUES ('override_protection_triggers', TRUE::TEXT);
4765 -- clean data:
4766 DELETE FROM "delegating_voter"
4767 WHERE "issue_id" = "issue_id_p";
4768 DELETE FROM "direct_voter"
4769 WHERE "issue_id" = "issue_id_p";
4770 DELETE FROM "delegating_interest_snapshot"
4771 WHERE "issue_id" = "issue_id_p";
4772 DELETE FROM "direct_interest_snapshot"
4773 WHERE "issue_id" = "issue_id_p";
4774 DELETE FROM "delegating_population_snapshot"
4775 WHERE "issue_id" = "issue_id_p";
4776 DELETE FROM "direct_population_snapshot"
4777 WHERE "issue_id" = "issue_id_p";
4778 DELETE FROM "non_voter"
4779 WHERE "issue_id" = "issue_id_p";
4780 DELETE FROM "delegation"
4781 WHERE "issue_id" = "issue_id_p";
4782 DELETE FROM "supporter"
4783 USING "initiative" -- NOTE: due to missing index on issue_id
4784 WHERE "initiative"."issue_id" = "issue_id_p"
4785 AND "supporter"."initiative_id" = "initiative_id";
4786 -- mark issue as cleaned:
4787 UPDATE "issue" SET "cleaned" = now() WHERE "id" = "issue_id_p";
4788 -- finish overriding protection triggers (avoids garbage):
4789 DELETE FROM "temporary_transaction_data"
4790 WHERE "key" = 'override_protection_triggers';
4791 END IF;
4792 RETURN;
4793 END;
4794 $$;
4796 COMMENT ON FUNCTION "clean_issue"("issue"."id"%TYPE) IS 'Delete discussion data and votes belonging to an issue';
4799 CREATE FUNCTION "delete_member"("member_id_p" "member"."id"%TYPE)
4800 RETURNS VOID
4801 LANGUAGE 'plpgsql' VOLATILE AS $$
4802 BEGIN
4803 UPDATE "member" SET
4804 "last_login" = NULL,
4805 "last_delegation_check" = NULL,
4806 "login" = NULL,
4807 "password" = NULL,
4808 "authority" = NULL,
4809 "authority_uid" = NULL,
4810 "authority_login" = NULL,
4811 "locked" = TRUE,
4812 "active" = FALSE,
4813 "notify_email" = NULL,
4814 "notify_email_unconfirmed" = NULL,
4815 "notify_email_secret" = NULL,
4816 "notify_email_secret_expiry" = NULL,
4817 "notify_email_lock_expiry" = NULL,
4818 "login_recovery_expiry" = NULL,
4819 "password_reset_secret" = NULL,
4820 "password_reset_secret_expiry" = NULL,
4821 "organizational_unit" = NULL,
4822 "internal_posts" = NULL,
4823 "realname" = NULL,
4824 "birthday" = NULL,
4825 "address" = NULL,
4826 "email" = NULL,
4827 "xmpp_address" = NULL,
4828 "website" = NULL,
4829 "phone" = NULL,
4830 "mobile_phone" = NULL,
4831 "profession" = NULL,
4832 "external_memberships" = NULL,
4833 "external_posts" = NULL,
4834 "statement" = NULL
4835 WHERE "id" = "member_id_p";
4836 -- "text_search_data" is updated by triggers
4837 DELETE FROM "setting" WHERE "member_id" = "member_id_p";
4838 DELETE FROM "setting_map" WHERE "member_id" = "member_id_p";
4839 DELETE FROM "member_relation_setting" WHERE "member_id" = "member_id_p";
4840 DELETE FROM "member_image" WHERE "member_id" = "member_id_p";
4841 DELETE FROM "contact" WHERE "member_id" = "member_id_p";
4842 DELETE FROM "ignored_member" WHERE "member_id" = "member_id_p";
4843 DELETE FROM "session" WHERE "member_id" = "member_id_p";
4844 DELETE FROM "area_setting" WHERE "member_id" = "member_id_p";
4845 DELETE FROM "issue_setting" WHERE "member_id" = "member_id_p";
4846 DELETE FROM "ignored_initiative" WHERE "member_id" = "member_id_p";
4847 DELETE FROM "initiative_setting" WHERE "member_id" = "member_id_p";
4848 DELETE FROM "suggestion_setting" WHERE "member_id" = "member_id_p";
4849 DELETE FROM "membership" WHERE "member_id" = "member_id_p";
4850 DELETE FROM "delegation" WHERE "truster_id" = "member_id_p";
4851 DELETE FROM "non_voter" WHERE "member_id" = "member_id_p";
4852 DELETE FROM "direct_voter" USING "issue"
4853 WHERE "direct_voter"."issue_id" = "issue"."id"
4854 AND "issue"."closed" ISNULL
4855 AND "member_id" = "member_id_p";
4856 RETURN;
4857 END;
4858 $$;
4860 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)';
4863 CREATE FUNCTION "delete_private_data"()
4864 RETURNS VOID
4865 LANGUAGE 'plpgsql' VOLATILE AS $$
4866 BEGIN
4867 DELETE FROM "temporary_transaction_data";
4868 DELETE FROM "member" WHERE "activated" ISNULL;
4869 UPDATE "member" SET
4870 "invite_code" = NULL,
4871 "invite_code_expiry" = NULL,
4872 "admin_comment" = NULL,
4873 "last_login" = NULL,
4874 "last_delegation_check" = NULL,
4875 "login" = NULL,
4876 "password" = NULL,
4877 "authority" = NULL,
4878 "authority_uid" = NULL,
4879 "authority_login" = NULL,
4880 "lang" = NULL,
4881 "notify_email" = NULL,
4882 "notify_email_unconfirmed" = NULL,
4883 "notify_email_secret" = NULL,
4884 "notify_email_secret_expiry" = NULL,
4885 "notify_email_lock_expiry" = NULL,
4886 "notify_level" = NULL,
4887 "login_recovery_expiry" = NULL,
4888 "password_reset_secret" = NULL,
4889 "password_reset_secret_expiry" = NULL,
4890 "organizational_unit" = NULL,
4891 "internal_posts" = NULL,
4892 "realname" = NULL,
4893 "birthday" = NULL,
4894 "address" = NULL,
4895 "email" = NULL,
4896 "xmpp_address" = NULL,
4897 "website" = NULL,
4898 "phone" = NULL,
4899 "mobile_phone" = NULL,
4900 "profession" = NULL,
4901 "external_memberships" = NULL,
4902 "external_posts" = NULL,
4903 "formatting_engine" = NULL,
4904 "statement" = NULL;
4905 -- "text_search_data" is updated by triggers
4906 DELETE FROM "setting";
4907 DELETE FROM "setting_map";
4908 DELETE FROM "member_relation_setting";
4909 DELETE FROM "member_image";
4910 DELETE FROM "contact";
4911 DELETE FROM "ignored_member";
4912 DELETE FROM "session";
4913 DELETE FROM "area_setting";
4914 DELETE FROM "issue_setting";
4915 DELETE FROM "ignored_initiative";
4916 DELETE FROM "initiative_setting";
4917 DELETE FROM "suggestion_setting";
4918 DELETE FROM "non_voter";
4919 DELETE FROM "direct_voter" USING "issue"
4920 WHERE "direct_voter"."issue_id" = "issue"."id"
4921 AND "issue"."closed" ISNULL;
4922 RETURN;
4923 END;
4924 $$;
4926 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.';
4930 COMMIT;