liquid_feedback_core
view core.sql @ 488:056ad11bbe66
Ignore suggestions with opinion also in returned column "new_suggestion_count" of view "updated_initiative"
| author | jbe |
|---|---|
| date | Sun Apr 03 16:42:01 2016 +0200 (2016-04-03) |
| parents | 14bca0b56925 |
| children | 5abcd0043fff |
line source
2 -- Execute the following command manually for PostgreSQL prior version 9.0:
3 -- CREATE LANGUAGE plpgsql;
5 -- NOTE: In PostgreSQL every UNIQUE constraint implies creation of an index
7 BEGIN;
9 CREATE VIEW "liquid_feedback_version" AS
10 SELECT * FROM (VALUES ('3.2.0', 3, 2, 0))
11 AS "subquery"("string", "major", "minor", "revision");
15 ----------------------
16 -- Full text search --
17 ----------------------
20 CREATE FUNCTION "text_search_query"("query_text_p" TEXT)
21 RETURNS TSQUERY
22 LANGUAGE 'plpgsql' IMMUTABLE AS $$
23 BEGIN
24 RETURN plainto_tsquery('pg_catalog.simple', "query_text_p");
25 END;
26 $$;
28 COMMENT ON FUNCTION "text_search_query"(TEXT) IS 'Usage: WHERE "text_search_data" @@ "text_search_query"(''<user query>'')';
31 CREATE FUNCTION "highlight"
32 ( "body_p" TEXT,
33 "query_text_p" TEXT )
34 RETURNS TEXT
35 LANGUAGE 'plpgsql' IMMUTABLE AS $$
36 BEGIN
37 RETURN ts_headline(
38 'pg_catalog.simple',
39 replace(replace("body_p", e'\\', e'\\\\'), '*', e'\\*'),
40 "text_search_query"("query_text_p"),
41 'StartSel=* StopSel=* HighlightAll=TRUE' );
42 END;
43 $$;
45 COMMENT ON FUNCTION "highlight"
46 ( "body_p" TEXT,
47 "query_text_p" TEXT )
48 IS 'For a given a user query this function encapsulates all matches with asterisks. Asterisks and backslashes being already present are preceeded with one extra backslash.';
52 -------------------------
53 -- Tables and indicies --
54 -------------------------
57 CREATE TABLE "temporary_transaction_data" (
58 PRIMARY KEY ("txid", "key"),
59 "txid" INT8 DEFAULT txid_current(),
60 "key" TEXT,
61 "value" TEXT NOT NULL );
63 COMMENT ON TABLE "temporary_transaction_data" IS 'Table to store temporary transaction data; shall be emptied before a transaction is committed';
65 COMMENT ON COLUMN "temporary_transaction_data"."txid" IS 'Value returned by function txid_current(); should be added to WHERE clause, when doing SELECT on this table, but ignored when doing DELETE on this table';
68 CREATE TABLE "system_setting" (
69 "member_ttl" INTERVAL );
70 CREATE UNIQUE INDEX "system_setting_singleton_idx" ON "system_setting" ((1));
72 COMMENT ON TABLE "system_setting" IS 'This table contains only one row with different settings in each column.';
73 COMMENT ON INDEX "system_setting_singleton_idx" IS 'This index ensures that "system_setting" only contains one row maximum.';
75 COMMENT ON COLUMN "system_setting"."member_ttl" IS 'Time after members get their "active" flag set to FALSE, if they do not show any activity.';
78 CREATE TABLE "contingent" (
79 PRIMARY KEY ("polling", "time_frame"),
80 "polling" BOOLEAN,
81 "time_frame" INTERVAL,
82 "text_entry_limit" INT4,
83 "initiative_limit" INT4 );
85 COMMENT ON TABLE "contingent" IS 'Amount of text entries or initiatives a user may create within a given time frame. Only one row needs to be fulfilled for a member to be allowed to post. This table must not be empty.';
87 COMMENT ON COLUMN "contingent"."polling" IS 'Determines if settings are for creating initiatives and new drafts of initiatives with "polling" flag set';
88 COMMENT ON COLUMN "contingent"."text_entry_limit" IS 'Number of new drafts or suggestions to be submitted by each member within the given time frame';
89 COMMENT ON COLUMN "contingent"."initiative_limit" IS 'Number of new initiatives to be opened by each member within a given time frame';
92 CREATE TYPE "notify_level" AS ENUM
93 ('none', 'voting', 'verification', 'discussion', 'all');
95 COMMENT ON TYPE "notify_level" IS 'Level of notification: ''none'' = no notifications, ''voting'' = notifications about finished issues and issues in voting, ''verification'' = notifications about finished issues, issues in voting and verification phase, ''discussion'' = notifications about everything except issues in admission phase, ''all'' = notifications about everything';
98 CREATE TABLE "member" (
99 "id" SERIAL4 PRIMARY KEY,
100 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
101 "invite_code" TEXT UNIQUE,
102 "invite_code_expiry" TIMESTAMPTZ,
103 "admin_comment" TEXT,
104 "activated" TIMESTAMPTZ,
105 "last_activity" DATE,
106 "last_login" TIMESTAMPTZ,
107 "last_delegation_check" TIMESTAMPTZ,
108 "login" TEXT UNIQUE,
109 "password" TEXT,
110 "authority" TEXT,
111 "authority_uid" TEXT,
112 "authority_login" TEXT,
113 "locked" BOOLEAN NOT NULL DEFAULT FALSE,
114 "active" BOOLEAN NOT NULL DEFAULT FALSE,
115 "admin" BOOLEAN NOT NULL DEFAULT FALSE,
116 "lang" TEXT,
117 "notify_email" TEXT,
118 "notify_email_unconfirmed" TEXT,
119 "notify_email_secret" TEXT UNIQUE,
120 "notify_email_secret_expiry" TIMESTAMPTZ,
121 "notify_email_lock_expiry" TIMESTAMPTZ,
122 "disable_notifications" BOOLEAN NOT NULL DEFAULT FALSE,
123 "notification_counter" INT4 NOT NULL DEFAULT 1,
124 "notification_sample_size" INT4 NOT NULL DEFAULT 3,
125 "notification_dow" INT4 CHECK ("notification_dow" BETWEEN 0 AND 6),
126 "notification_hour" INT4 CHECK ("notification_hour" BETWEEN 0 AND 23),
127 "login_recovery_expiry" TIMESTAMPTZ,
128 "password_reset_secret" TEXT UNIQUE,
129 "password_reset_secret_expiry" TIMESTAMPTZ,
130 "name" TEXT UNIQUE,
131 "identification" TEXT UNIQUE,
132 "authentication" TEXT,
133 "organizational_unit" TEXT,
134 "internal_posts" TEXT,
135 "realname" TEXT,
136 "birthday" DATE,
137 "address" TEXT,
138 "email" TEXT,
139 "xmpp_address" TEXT,
140 "website" TEXT,
141 "phone" TEXT,
142 "mobile_phone" TEXT,
143 "profession" TEXT,
144 "external_memberships" TEXT,
145 "external_posts" TEXT,
146 "formatting_engine" TEXT,
147 "statement" TEXT,
148 "text_search_data" TSVECTOR,
149 CONSTRAINT "active_requires_activated_and_last_activity"
150 CHECK ("active" = FALSE OR ("activated" NOTNULL AND "last_activity" NOTNULL)),
151 CONSTRAINT "authority_requires_uid_and_vice_versa"
152 CHECK (("authority" NOTNULL) = ("authority_uid" NOTNULL)),
153 CONSTRAINT "authority_uid_unique_per_authority"
154 UNIQUE ("authority", "authority_uid"),
155 CONSTRAINT "authority_login_requires_authority"
156 CHECK ("authority" NOTNULL OR "authority_login" ISNULL),
157 CONSTRAINT "name_not_null_if_activated"
158 CHECK ("activated" ISNULL OR "name" NOTNULL) );
159 CREATE INDEX "member_authority_login_idx" ON "member" ("authority_login");
160 CREATE INDEX "member_active_idx" ON "member" ("active");
161 CREATE INDEX "member_text_search_data_idx" ON "member" USING gin ("text_search_data");
162 CREATE TRIGGER "update_text_search_data"
163 BEFORE INSERT OR UPDATE ON "member"
164 FOR EACH ROW EXECUTE PROCEDURE
165 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',
166 "name", "identification", "organizational_unit", "internal_posts",
167 "realname", "external_memberships", "external_posts", "statement" );
169 COMMENT ON TABLE "member" IS 'Users of the system, e.g. members of an organization';
171 COMMENT ON COLUMN "member"."created" IS 'Creation of member record and/or invite code';
172 COMMENT ON COLUMN "member"."invite_code" IS 'Optional invite code, to allow a member to initialize his/her account the first time';
173 COMMENT ON COLUMN "member"."invite_code_expiry" IS 'Expiry data/time for "invite_code"';
174 COMMENT ON COLUMN "member"."admin_comment" IS 'Hidden comment for administrative purposes';
175 COMMENT ON COLUMN "member"."activated" IS 'Timestamp of first activation of account (i.e. usage of "invite_code"); required to be set for "active" members';
176 COMMENT ON COLUMN "member"."last_activity" IS 'Date of last activity of member; required to be set for "active" members';
177 COMMENT ON COLUMN "member"."last_login" IS 'Timestamp of last login';
178 COMMENT ON COLUMN "member"."last_delegation_check" IS 'Timestamp of last delegation check (i.e. confirmation of all unit and area delegations)';
179 COMMENT ON COLUMN "member"."login" IS 'Login name';
180 COMMENT ON COLUMN "member"."password" IS 'Password (preferably as crypto-hash, depending on the frontend or access layer)';
181 COMMENT ON COLUMN "member"."authority" IS 'NULL if LiquidFeedback Core is authoritative for the member account; otherwise a string that indicates the source/authority of the external account (e.g. ''LDAP'' for an LDAP account)';
182 COMMENT ON COLUMN "member"."authority_uid" IS 'Unique identifier (unique per "authority") that allows to identify an external account (e.g. even if the login name changes)';
183 COMMENT ON COLUMN "member"."authority_login" IS 'Login name for external accounts (field is not unique!)';
184 COMMENT ON COLUMN "member"."locked" IS 'Locked members can not log in.';
185 COMMENT ON COLUMN "member"."active" IS 'Memberships, support and votes are taken into account when corresponding members are marked as active. Automatically set to FALSE, if "last_activity" is older than "system_setting"."member_ttl".';
186 COMMENT ON COLUMN "member"."admin" IS 'TRUE for admins, which can administrate other users and setup policies and areas';
187 COMMENT ON COLUMN "member"."lang" IS 'Language code of the preferred language of the member';
188 COMMENT ON COLUMN "member"."notify_email" IS 'Email address where notifications of the system are sent to';
189 COMMENT ON COLUMN "member"."notify_email_unconfirmed" IS 'Unconfirmed email address provided by the member to be copied into "notify_email" field after verification';
190 COMMENT ON COLUMN "member"."notify_email_secret" IS 'Secret sent to the address in "notify_email_unconformed"';
191 COMMENT ON COLUMN "member"."notify_email_secret_expiry" IS 'Expiry date/time for "notify_email_secret"';
192 COMMENT ON COLUMN "member"."notify_email_lock_expiry" IS 'Date/time until no further email confirmation mails may be sent (abuse protection)';
193 COMMENT ON COLUMN "member"."disable_notifications" IS 'TRUE if member does not want to receive notifications';
194 COMMENT ON COLUMN "member"."login_recovery_expiry" IS 'Date/time after which another login recovery attempt is allowed';
195 COMMENT ON COLUMN "member"."password_reset_secret" IS 'Secret string sent via e-mail for password recovery';
196 COMMENT ON COLUMN "member"."password_reset_secret_expiry" IS 'Date/time until the password recovery secret is valid, and date/time after which another password recovery attempt is allowed';
197 COMMENT ON COLUMN "member"."name" IS 'Distinct name of the member, may be NULL if account has not been activated yet';
198 COMMENT ON COLUMN "member"."identification" IS 'Optional identification number or code of the member';
199 COMMENT ON COLUMN "member"."authentication" IS 'Information about how this member was authenticated';
200 COMMENT ON COLUMN "member"."organizational_unit" IS 'Branch or division of the organization the member belongs to';
201 COMMENT ON COLUMN "member"."internal_posts" IS 'Posts (offices) of the member inside the organization';
202 COMMENT ON COLUMN "member"."realname" IS 'Real name of the member, may be identical with "name"';
203 COMMENT ON COLUMN "member"."email" IS 'Published email address of the member; not used for system notifications';
204 COMMENT ON COLUMN "member"."external_memberships" IS 'Other organizations the member is involved in';
205 COMMENT ON COLUMN "member"."external_posts" IS 'Posts (offices) outside the organization';
206 COMMENT ON COLUMN "member"."formatting_engine" IS 'Allows different formatting engines (i.e. wiki formats) to be used for "member"."statement"';
207 COMMENT ON COLUMN "member"."statement" IS 'Freely chosen text of the member for his/her profile';
210 CREATE TABLE "member_history" (
211 "id" SERIAL8 PRIMARY KEY,
212 "member_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
213 "until" TIMESTAMPTZ NOT NULL DEFAULT now(),
214 "active" BOOLEAN NOT NULL,
215 "name" TEXT NOT NULL );
216 CREATE INDEX "member_history_member_id_idx" ON "member_history" ("member_id");
218 COMMENT ON TABLE "member_history" IS 'Filled by trigger; keeps information about old names and active flag of members';
220 COMMENT ON COLUMN "member_history"."id" IS 'Primary key, which can be used to sort entries correctly (and time warp resistant)';
221 COMMENT ON COLUMN "member_history"."until" IS 'Timestamp until the data was valid';
224 CREATE TABLE "rendered_member_statement" (
225 PRIMARY KEY ("member_id", "format"),
226 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
227 "format" TEXT,
228 "content" TEXT NOT NULL );
230 COMMENT ON TABLE "rendered_member_statement" IS 'This table may be used by frontends to cache "rendered" member statements (e.g. HTML output generated from wiki text)';
233 CREATE TABLE "setting" (
234 PRIMARY KEY ("member_id", "key"),
235 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
236 "key" TEXT NOT NULL,
237 "value" TEXT NOT NULL );
238 CREATE INDEX "setting_key_idx" ON "setting" ("key");
240 COMMENT ON TABLE "setting" IS 'Place to store a frontend specific setting for members as a string';
242 COMMENT ON COLUMN "setting"."key" IS 'Name of the setting, preceded by a frontend specific prefix';
245 CREATE TABLE "setting_map" (
246 PRIMARY KEY ("member_id", "key", "subkey"),
247 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
248 "key" TEXT NOT NULL,
249 "subkey" TEXT NOT NULL,
250 "value" TEXT NOT NULL );
251 CREATE INDEX "setting_map_key_idx" ON "setting_map" ("key");
253 COMMENT ON TABLE "setting_map" IS 'Place to store a frontend specific setting for members as a map of key value pairs';
255 COMMENT ON COLUMN "setting_map"."key" IS 'Name of the setting, preceded by a frontend specific prefix';
256 COMMENT ON COLUMN "setting_map"."subkey" IS 'Key of a map entry';
257 COMMENT ON COLUMN "setting_map"."value" IS 'Value of a map entry';
260 CREATE TABLE "member_relation_setting" (
261 PRIMARY KEY ("member_id", "key", "other_member_id"),
262 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
263 "key" TEXT NOT NULL,
264 "other_member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
265 "value" TEXT NOT NULL );
267 COMMENT ON TABLE "member_relation_setting" IS 'Place to store a frontend specific setting related to relations between members as a string';
270 CREATE TYPE "member_image_type" AS ENUM ('photo', 'avatar');
272 COMMENT ON TYPE "member_image_type" IS 'Types of images for a member';
275 CREATE TABLE "member_image" (
276 PRIMARY KEY ("member_id", "image_type", "scaled"),
277 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
278 "image_type" "member_image_type",
279 "scaled" BOOLEAN,
280 "content_type" TEXT,
281 "data" BYTEA NOT NULL );
283 COMMENT ON TABLE "member_image" IS 'Images of members';
285 COMMENT ON COLUMN "member_image"."scaled" IS 'FALSE for original image, TRUE for scaled version of the image';
288 CREATE TABLE "member_count" (
289 "calculated" TIMESTAMPTZ NOT NULL DEFAULT now(),
290 "total_count" INT4 NOT NULL );
292 COMMENT ON TABLE "member_count" IS 'Contains one row which contains the total count of active(!) members and a timestamp indicating when the total member count and area member counts were calculated';
294 COMMENT ON COLUMN "member_count"."calculated" IS 'timestamp indicating when the total member count and area member counts were calculated';
295 COMMENT ON COLUMN "member_count"."total_count" IS 'Total count of active(!) members';
298 CREATE TABLE "contact" (
299 PRIMARY KEY ("member_id", "other_member_id"),
300 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
301 "other_member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
302 "public" BOOLEAN NOT NULL DEFAULT FALSE,
303 CONSTRAINT "cant_save_yourself_as_contact"
304 CHECK ("member_id" != "other_member_id") );
305 CREATE INDEX "contact_other_member_id_idx" ON "contact" ("other_member_id");
307 COMMENT ON TABLE "contact" IS 'Contact lists';
309 COMMENT ON COLUMN "contact"."member_id" IS 'Member having the contact list';
310 COMMENT ON COLUMN "contact"."other_member_id" IS 'Member referenced in the contact list';
311 COMMENT ON COLUMN "contact"."public" IS 'TRUE = display contact publically';
314 CREATE TABLE "ignored_member" (
315 PRIMARY KEY ("member_id", "other_member_id"),
316 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
317 "other_member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
318 CREATE INDEX "ignored_member_other_member_id_idx" ON "ignored_member" ("other_member_id");
320 COMMENT ON TABLE "ignored_member" IS 'Possibility to filter other members';
322 COMMENT ON COLUMN "ignored_member"."member_id" IS 'Member ignoring someone';
323 COMMENT ON COLUMN "ignored_member"."other_member_id" IS 'Member being ignored';
326 CREATE TABLE "session" (
327 "ident" TEXT PRIMARY KEY,
328 "additional_secret" TEXT,
329 "expiry" TIMESTAMPTZ NOT NULL DEFAULT now() + '24 hours',
330 "member_id" INT4 REFERENCES "member" ("id") ON DELETE SET NULL,
331 "authority" TEXT,
332 "authority_uid" TEXT,
333 "authority_login" TEXT,
334 "needs_delegation_check" BOOLEAN NOT NULL DEFAULT FALSE,
335 "lang" TEXT );
336 CREATE INDEX "session_expiry_idx" ON "session" ("expiry");
338 COMMENT ON TABLE "session" IS 'Sessions, i.e. for a web-frontend or API layer';
340 COMMENT ON COLUMN "session"."ident" IS 'Secret session identifier (i.e. random string)';
341 COMMENT ON COLUMN "session"."additional_secret" IS 'Additional field to store a secret, which can be used against CSRF attacks';
342 COMMENT ON COLUMN "session"."member_id" IS 'Reference to member, who is logged in';
343 COMMENT ON COLUMN "session"."authority" IS 'Temporary store for "member"."authority" during member account creation';
344 COMMENT ON COLUMN "session"."authority_uid" IS 'Temporary store for "member"."authority_uid" during member account creation';
345 COMMENT ON COLUMN "session"."authority_login" IS 'Temporary store for "member"."authority_login" during member account creation';
346 COMMENT ON COLUMN "session"."needs_delegation_check" IS 'Set to TRUE, if member must perform a delegation check to proceed with login; see column "last_delegation_check" in "member" table';
347 COMMENT ON COLUMN "session"."lang" IS 'Language code of the selected language';
350 CREATE TYPE "defeat_strength" AS ENUM ('simple', 'tuple');
352 COMMENT ON TYPE "defeat_strength" IS 'How pairwise defeats are measured for the Schulze method: ''simple'' = only the number of winning votes, ''tuple'' = primarily the number of winning votes, secondarily the number of losing votes';
355 CREATE TYPE "tie_breaking" AS ENUM ('simple', 'variant1', 'variant2');
357 COMMENT ON TYPE "tie_breaking" IS 'Tie-breaker for the Schulze method: ''simple'' = only initiative ids are used, ''variant1'' = use initiative ids in variant 1 for tie breaking of the links (TBRL) and sequentially forbid shared links, ''variant2'' = use initiative ids in variant 2 for tie breaking of the links (TBRL) and sequentially forbid shared links';
360 CREATE TABLE "policy" (
361 "id" SERIAL4 PRIMARY KEY,
362 "index" INT4 NOT NULL,
363 "active" BOOLEAN NOT NULL DEFAULT TRUE,
364 "name" TEXT NOT NULL UNIQUE,
365 "description" TEXT NOT NULL DEFAULT '',
366 "polling" BOOLEAN NOT NULL DEFAULT FALSE,
367 "min_admission_time" INTERVAL,
368 "max_admission_time" INTERVAL,
369 "discussion_time" INTERVAL,
370 "verification_time" INTERVAL,
371 "voting_time" INTERVAL,
372 "issue_quorum_num" INT4,
373 "issue_quorum_den" INT4,
374 "initiative_quorum_num" INT4 NOT NULL,
375 "initiative_quorum_den" INT4 NOT NULL,
376 "defeat_strength" "defeat_strength" NOT NULL DEFAULT 'tuple',
377 "tie_breaking" "tie_breaking" NOT NULL DEFAULT 'variant1',
378 "direct_majority_num" INT4 NOT NULL DEFAULT 1,
379 "direct_majority_den" INT4 NOT NULL DEFAULT 2,
380 "direct_majority_strict" BOOLEAN NOT NULL DEFAULT TRUE,
381 "direct_majority_positive" INT4 NOT NULL DEFAULT 0,
382 "direct_majority_non_negative" INT4 NOT NULL DEFAULT 0,
383 "indirect_majority_num" INT4 NOT NULL DEFAULT 1,
384 "indirect_majority_den" INT4 NOT NULL DEFAULT 2,
385 "indirect_majority_strict" BOOLEAN NOT NULL DEFAULT TRUE,
386 "indirect_majority_positive" INT4 NOT NULL DEFAULT 0,
387 "indirect_majority_non_negative" INT4 NOT NULL DEFAULT 0,
388 "no_reverse_beat_path" BOOLEAN NOT NULL DEFAULT FALSE,
389 "no_multistage_majority" BOOLEAN NOT NULL DEFAULT FALSE,
390 CONSTRAINT "timing" CHECK (
391 ( "polling" = FALSE AND
392 "min_admission_time" NOTNULL AND "max_admission_time" NOTNULL AND
393 "min_admission_time" <= "max_admission_time" AND
394 "discussion_time" NOTNULL AND
395 "verification_time" NOTNULL AND
396 "voting_time" NOTNULL ) OR
397 ( "polling" = TRUE AND
398 "min_admission_time" ISNULL AND "max_admission_time" ISNULL AND
399 "discussion_time" NOTNULL AND
400 "verification_time" NOTNULL AND
401 "voting_time" NOTNULL ) OR
402 ( "polling" = TRUE AND
403 "min_admission_time" ISNULL AND "max_admission_time" ISNULL AND
404 "discussion_time" ISNULL AND
405 "verification_time" ISNULL AND
406 "voting_time" ISNULL ) ),
407 CONSTRAINT "issue_quorum_if_and_only_if_not_polling" CHECK (
408 "polling" = ("issue_quorum_num" ISNULL) AND
409 "polling" = ("issue_quorum_den" ISNULL) ),
410 CONSTRAINT "no_reverse_beat_path_requires_tuple_defeat_strength" CHECK (
411 "defeat_strength" = 'tuple'::"defeat_strength" OR
412 "no_reverse_beat_path" = FALSE ) );
413 CREATE INDEX "policy_active_idx" ON "policy" ("active");
415 COMMENT ON TABLE "policy" IS 'Policies for a particular proceeding type (timelimits, quorum)';
417 COMMENT ON COLUMN "policy"."index" IS 'Determines the order in listings';
418 COMMENT ON COLUMN "policy"."active" IS 'TRUE = policy can be used for new issues';
419 COMMENT ON COLUMN "policy"."polling" IS 'TRUE = special policy for non-user-generated issues without issue quorum, where certain initiatives (those having the "polling" flag set) do not need to pass the initiative quorum; "min_admission_time" and "max_admission_time" MUST be set to NULL, the other timings may be set to NULL altogether, allowing individual timing for those issues';
420 COMMENT ON COLUMN "policy"."min_admission_time" IS 'Minimum duration of issue state ''admission''; Minimum time an issue stays open';
421 COMMENT ON COLUMN "policy"."max_admission_time" IS 'Maximum duration of issue state ''admission''; Maximum time an issue stays open without being "accepted"';
422 COMMENT ON COLUMN "policy"."discussion_time" IS 'Duration of issue state ''discussion''; Regular time until an issue is "half_frozen" after being "accepted"';
423 COMMENT ON COLUMN "policy"."verification_time" IS 'Duration of issue state ''verification''; Regular time until an issue is "fully_frozen" (e.g. entering issue state ''voting'') after being "half_frozen"';
424 COMMENT ON COLUMN "policy"."voting_time" IS 'Duration of issue state ''voting''; Time after an issue is "fully_frozen" but not "closed" (duration of issue state ''voting'')';
425 COMMENT ON COLUMN "policy"."issue_quorum_num" IS 'Numerator of potential supporter quorum to be reached by one initiative of an issue to be "accepted" and enter issue state ''discussion''';
426 COMMENT ON COLUMN "policy"."issue_quorum_den" IS 'Denominator of potential supporter quorum to be reached by one initiative of an issue to be "accepted" and enter issue state ''discussion''';
427 COMMENT ON COLUMN "policy"."initiative_quorum_num" IS 'Numerator of satisfied supporter quorum to be reached by an initiative to be "admitted" for voting';
428 COMMENT ON COLUMN "policy"."initiative_quorum_den" IS 'Denominator of satisfied supporter quorum to be reached by an initiative to be "admitted" for voting';
429 COMMENT ON COLUMN "policy"."defeat_strength" IS 'How pairwise defeats are measured for the Schulze method; see type "defeat_strength"; ''tuple'' is the recommended setting';
430 COMMENT ON COLUMN "policy"."tie_breaking" IS 'Tie-breaker for the Schulze method; see type "tie_breaking"; ''variant1'' or ''variant2'' are recommended';
431 COMMENT ON COLUMN "policy"."direct_majority_num" IS 'Numerator of fraction of neccessary direct majority for initiatives to be attainable as winner';
432 COMMENT ON COLUMN "policy"."direct_majority_den" IS 'Denominator of fraction of neccessary direct majority for initaitives to be attainable as winner';
433 COMMENT ON COLUMN "policy"."direct_majority_strict" IS 'If TRUE, then the direct majority must be strictly greater than "direct_majority_num"/"direct_majority_den", otherwise it may also be equal.';
434 COMMENT ON COLUMN "policy"."direct_majority_positive" IS 'Absolute number of "positive_votes" neccessary for an initiative to be attainable as winner';
435 COMMENT ON COLUMN "policy"."direct_majority_non_negative" IS 'Absolute number of sum of "positive_votes" and abstentions neccessary for an initiative to be attainable as winner';
436 COMMENT ON COLUMN "policy"."indirect_majority_num" IS 'Numerator of fraction of neccessary indirect majority (through beat path) for initiatives to be attainable as winner';
437 COMMENT ON COLUMN "policy"."indirect_majority_den" IS 'Denominator of fraction of neccessary indirect majority (through beat path) for initiatives to be attainable as winner';
438 COMMENT ON COLUMN "policy"."indirect_majority_strict" IS 'If TRUE, then the indirect majority must be strictly greater than "indirect_majority_num"/"indirect_majority_den", otherwise it may also be equal.';
439 COMMENT ON COLUMN "policy"."indirect_majority_positive" IS 'Absolute number of votes in favor of the winner neccessary in a beat path to the status quo for an initaitive to be attainable as winner';
440 COMMENT ON COLUMN "policy"."indirect_majority_non_negative" IS 'Absolute number of sum of votes in favor and abstentions in a beat path to the status quo for an initiative to be attainable as winner';
441 COMMENT ON COLUMN "policy"."no_reverse_beat_path" IS 'EXPERIMENTAL FEATURE: Causes initiatives with "reverse_beat_path" flag to not be "eligible", thus disallowing them to be winner. See comment on column "initiative"."reverse_beat_path". This option ensures both that a winning initiative is never tied in a (weak) condorcet paradox with the status quo and a winning initiative always beats the status quo directly with a simple majority.';
442 COMMENT ON COLUMN "policy"."no_multistage_majority" IS 'EXPERIMENTAL FEATURE: Causes initiatives with "multistage_majority" flag to not be "eligible", thus disallowing them to be winner. See comment on column "initiative"."multistage_majority". This disqualifies initiatives which could cause an instable result. An instable result in this meaning is a result such that repeating the ballot with same preferences but with the winner of the first ballot as status quo would lead to a different winner in the second ballot. If there are no direct majorities required for the winner, or if in direct comparison only simple majorities are required and "no_reverse_beat_path" is true, then results are always stable and this flag does not have any effect on the winner (but still affects the "eligible" flag of an "initiative").';
445 CREATE TABLE "unit" (
446 "id" SERIAL4 PRIMARY KEY,
447 "parent_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
448 "active" BOOLEAN NOT NULL DEFAULT TRUE,
449 "name" TEXT NOT NULL,
450 "description" TEXT NOT NULL DEFAULT '',
451 "external_reference" TEXT,
452 "member_count" INT4,
453 "text_search_data" TSVECTOR );
454 CREATE INDEX "unit_root_idx" ON "unit" ("id") WHERE "parent_id" ISNULL;
455 CREATE INDEX "unit_parent_id_idx" ON "unit" ("parent_id");
456 CREATE INDEX "unit_active_idx" ON "unit" ("active");
457 CREATE INDEX "unit_text_search_data_idx" ON "unit" USING gin ("text_search_data");
458 CREATE TRIGGER "update_text_search_data"
459 BEFORE INSERT OR UPDATE ON "unit"
460 FOR EACH ROW EXECUTE PROCEDURE
461 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',
462 "name", "description" );
464 COMMENT ON TABLE "unit" IS 'Organizational units organized as trees; Delegations are not inherited through these trees.';
466 COMMENT ON COLUMN "unit"."parent_id" IS 'Parent id of tree node; Multiple roots allowed';
467 COMMENT ON COLUMN "unit"."active" IS 'TRUE means new issues can be created in areas of this unit';
468 COMMENT ON COLUMN "unit"."external_reference" IS 'Opaque data field to store an external reference';
469 COMMENT ON COLUMN "unit"."member_count" IS 'Count of members as determined by column "voting_right" in table "privilege"';
472 CREATE TABLE "subscription" (
473 PRIMARY KEY ("member_id", "unit_id"),
474 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
475 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
476 CREATE INDEX "subscription_unit_id_idx" ON "subscription" ("unit_id");
478 COMMENT ON TABLE "subscription" IS 'An entry in this table denotes that the member wishes to receive notifications regardless of his/her privileges in the given unit';
481 CREATE TABLE "unit_setting" (
482 PRIMARY KEY ("member_id", "key", "unit_id"),
483 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
484 "key" TEXT NOT NULL,
485 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
486 "value" TEXT NOT NULL );
488 COMMENT ON TABLE "unit_setting" IS 'Place for frontend to store unit specific settings of members as strings';
491 CREATE TABLE "area" (
492 "id" SERIAL4 PRIMARY KEY,
493 "unit_id" INT4 NOT NULL REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
494 "active" BOOLEAN NOT NULL DEFAULT TRUE,
495 "name" TEXT NOT NULL,
496 "description" TEXT NOT NULL DEFAULT '',
497 "external_reference" TEXT,
498 "direct_member_count" INT4,
499 "member_weight" INT4,
500 "text_search_data" TSVECTOR );
501 CREATE INDEX "area_unit_id_idx" ON "area" ("unit_id");
502 CREATE INDEX "area_active_idx" ON "area" ("active");
503 CREATE INDEX "area_text_search_data_idx" ON "area" USING gin ("text_search_data");
504 CREATE TRIGGER "update_text_search_data"
505 BEFORE INSERT OR UPDATE ON "area"
506 FOR EACH ROW EXECUTE PROCEDURE
507 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',
508 "name", "description" );
510 COMMENT ON TABLE "area" IS 'Subject areas';
512 COMMENT ON COLUMN "area"."active" IS 'TRUE means new issues can be created in this area';
513 COMMENT ON COLUMN "area"."external_reference" IS 'Opaque data field to store an external reference';
514 COMMENT ON COLUMN "area"."direct_member_count" IS 'Number of active members of that area (ignoring their weight), as calculated from view "area_member_count"';
515 COMMENT ON COLUMN "area"."member_weight" IS 'Same as "direct_member_count" but respecting delegations';
518 CREATE TABLE "ignored_area" (
519 PRIMARY KEY ("member_id", "area_id"),
520 "member_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
521 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
522 CREATE INDEX "ignored_area_area_id_idx" ON "ignored_area" ("area_id");
524 COMMENT ON TABLE "ignored_area" IS 'An entry in this table denotes that the member does not wish to receive notifications for the given subject area unless he/she declared interested in a particular issue';
527 CREATE TABLE "area_setting" (
528 PRIMARY KEY ("member_id", "key", "area_id"),
529 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
530 "key" TEXT NOT NULL,
531 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
532 "value" TEXT NOT NULL );
534 COMMENT ON TABLE "area_setting" IS 'Place for frontend to store area specific settings of members as strings';
537 CREATE TABLE "allowed_policy" (
538 PRIMARY KEY ("area_id", "policy_id"),
539 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
540 "policy_id" INT4 NOT NULL REFERENCES "policy" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
541 "default_policy" BOOLEAN NOT NULL DEFAULT FALSE );
542 CREATE UNIQUE INDEX "allowed_policy_one_default_per_area_idx" ON "allowed_policy" ("area_id") WHERE "default_policy";
544 COMMENT ON TABLE "allowed_policy" IS 'Selects which policies can be used in each area';
546 COMMENT ON COLUMN "allowed_policy"."default_policy" IS 'One policy per area can be set as default.';
549 CREATE TYPE "snapshot_event" AS ENUM ('periodic', 'end_of_admission', 'half_freeze', 'full_freeze');
551 COMMENT ON TYPE "snapshot_event" IS 'Reason for snapshots: ''periodic'' = due to periodic recalculation, ''end_of_admission'' = saved state at end of admission period, ''half_freeze'' = saved state at end of discussion period, ''full_freeze'' = saved state at end of verification period';
554 CREATE TYPE "issue_state" AS ENUM (
555 'admission', 'discussion', 'verification', 'voting',
556 'canceled_by_admin',
557 'canceled_revoked_before_accepted',
558 'canceled_issue_not_accepted',
559 'canceled_after_revocation_during_discussion',
560 'canceled_after_revocation_during_verification',
561 'canceled_no_initiative_admitted',
562 'finished_without_winner', 'finished_with_winner');
564 COMMENT ON TYPE "issue_state" IS 'State of issues';
567 CREATE TABLE "issue" (
568 "id" SERIAL4 PRIMARY KEY,
569 "area_id" INT4 NOT NULL REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
570 "policy_id" INT4 NOT NULL REFERENCES "policy" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
571 "admin_notice" TEXT,
572 "external_reference" TEXT,
573 "state" "issue_state" NOT NULL DEFAULT 'admission',
574 "phase_finished" TIMESTAMPTZ,
575 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
576 "accepted" TIMESTAMPTZ,
577 "half_frozen" TIMESTAMPTZ,
578 "fully_frozen" TIMESTAMPTZ,
579 "closed" TIMESTAMPTZ,
580 "cleaned" TIMESTAMPTZ,
581 "min_admission_time" INTERVAL,
582 "max_admission_time" INTERVAL,
583 "discussion_time" INTERVAL NOT NULL,
584 "verification_time" INTERVAL NOT NULL,
585 "voting_time" INTERVAL NOT NULL,
586 "snapshot" TIMESTAMPTZ,
587 "latest_snapshot_event" "snapshot_event",
588 "population" INT4,
589 "voter_count" INT4,
590 "status_quo_schulze_rank" INT4,
591 CONSTRAINT "admission_time_not_null_unless_instantly_accepted" CHECK (
592 ("min_admission_time" NOTNULL) = ("max_admission_time" NOTNULL) AND
593 ("min_admission_time" NOTNULL OR ("accepted" NOTNULL AND "accepted" = "created")) ),
594 CONSTRAINT "valid_state" CHECK (
595 (
596 ("accepted" ISNULL AND "half_frozen" ISNULL AND "fully_frozen" ISNULL ) OR
597 ("accepted" NOTNULL AND "half_frozen" ISNULL AND "fully_frozen" ISNULL ) OR
598 ("accepted" NOTNULL AND "half_frozen" NOTNULL AND "fully_frozen" ISNULL ) OR
599 ("accepted" NOTNULL AND "half_frozen" NOTNULL AND "fully_frozen" NOTNULL)
600 ) AND (
601 ("state" = 'admission' AND "closed" ISNULL AND "accepted" ISNULL) OR
602 ("state" = 'discussion' AND "closed" ISNULL AND "accepted" NOTNULL AND "half_frozen" ISNULL) OR
603 ("state" = 'verification' AND "closed" ISNULL AND "half_frozen" NOTNULL AND "fully_frozen" ISNULL) OR
604 ("state" = 'voting' AND "closed" ISNULL AND "fully_frozen" NOTNULL) OR
605 ("state" = 'canceled_by_admin' AND "closed" NOTNULL) OR
606 ("state" = 'canceled_revoked_before_accepted' AND "closed" NOTNULL AND "accepted" ISNULL) OR
607 ("state" = 'canceled_issue_not_accepted' AND "closed" NOTNULL AND "accepted" ISNULL) OR
608 ("state" = 'canceled_after_revocation_during_discussion' AND "closed" NOTNULL AND "half_frozen" ISNULL) OR
609 ("state" = 'canceled_after_revocation_during_verification' AND "closed" NOTNULL AND "fully_frozen" ISNULL) OR
610 ("state" = 'canceled_no_initiative_admitted' AND "closed" NOTNULL AND "fully_frozen" NOTNULL AND "closed" = "fully_frozen") OR
611 ("state" = 'finished_without_winner' AND "closed" NOTNULL AND "fully_frozen" NOTNULL AND "closed" != "fully_frozen") OR
612 ("state" = 'finished_with_winner' AND "closed" NOTNULL AND "fully_frozen" NOTNULL AND "closed" != "fully_frozen")
613 )),
614 CONSTRAINT "phase_finished_only_when_not_closed" CHECK (
615 "phase_finished" ISNULL OR "closed" ISNULL ),
616 CONSTRAINT "state_change_order" CHECK (
617 "created" <= "accepted" AND
618 "accepted" <= "half_frozen" AND
619 "half_frozen" <= "fully_frozen" AND
620 "fully_frozen" <= "closed" ),
621 CONSTRAINT "only_closed_issues_may_be_cleaned" CHECK (
622 "cleaned" ISNULL OR "closed" NOTNULL ),
623 CONSTRAINT "last_snapshot_on_full_freeze"
624 CHECK ("snapshot" = "fully_frozen"), -- NOTE: snapshot can be set, while frozen is NULL yet
625 CONSTRAINT "freeze_requires_snapshot"
626 CHECK ("fully_frozen" ISNULL OR "snapshot" NOTNULL),
627 CONSTRAINT "set_both_or_none_of_snapshot_and_latest_snapshot_event"
628 CHECK (("snapshot" NOTNULL) = ("latest_snapshot_event" NOTNULL)) );
629 CREATE INDEX "issue_area_id_idx" ON "issue" ("area_id");
630 CREATE INDEX "issue_policy_id_idx" ON "issue" ("policy_id");
631 CREATE INDEX "issue_created_idx" ON "issue" ("created");
632 CREATE INDEX "issue_accepted_idx" ON "issue" ("accepted");
633 CREATE INDEX "issue_half_frozen_idx" ON "issue" ("half_frozen");
634 CREATE INDEX "issue_fully_frozen_idx" ON "issue" ("fully_frozen");
635 CREATE INDEX "issue_closed_idx" ON "issue" ("closed");
636 CREATE INDEX "issue_created_idx_open" ON "issue" ("created") WHERE "closed" ISNULL;
637 CREATE INDEX "issue_closed_idx_canceled" ON "issue" ("closed") WHERE "fully_frozen" ISNULL;
639 COMMENT ON TABLE "issue" IS 'Groups of initiatives';
641 COMMENT ON COLUMN "issue"."admin_notice" IS 'Public notice by admin to explain manual interventions, or to announce corrections';
642 COMMENT ON COLUMN "issue"."external_reference" IS 'Opaque data field to store an external reference';
643 COMMENT ON COLUMN "issue"."phase_finished" IS 'Set to a value NOTNULL, if the current phase has finished, but calculations are pending; No changes in this issue shall be made by the frontend or API when this value is set';
644 COMMENT ON COLUMN "issue"."accepted" IS 'Point in time, when one initiative of issue reached the "issue_quorum"';
645 COMMENT ON COLUMN "issue"."half_frozen" IS 'Point in time, when "discussion_time" has elapsed; Frontends must ensure that for half_frozen issues a) initiatives are not revoked, b) no new drafts are created, c) no initiators are added or removed.';
646 COMMENT ON COLUMN "issue"."fully_frozen" IS 'Point in time, when "verification_time" has elapsed and voting has started; Frontends must ensure that for fully_frozen issues additionally to the restrictions for half_frozen issues a) initiatives are not created, b) no interest is created or removed, c) no supporters are added or removed, d) no opinions are created, changed or deleted.';
647 COMMENT ON COLUMN "issue"."closed" IS 'Point in time, when "max_admission_time" or "voting_time" have elapsed, and issue is no longer active; Frontends must ensure that for closed issues additionally to the restrictions for half_frozen and fully_frozen issues a) no voter is added or removed to/from the direct_voter table, b) no votes are added, modified or removed.';
648 COMMENT ON COLUMN "issue"."cleaned" IS 'Point in time, when discussion data and votes had been deleted';
649 COMMENT ON COLUMN "issue"."min_admission_time" IS 'Copied from "policy" table at creation of issue';
650 COMMENT ON COLUMN "issue"."max_admission_time" IS 'Copied from "policy" table at creation of issue';
651 COMMENT ON COLUMN "issue"."discussion_time" IS 'Copied from "policy" table at creation of issue';
652 COMMENT ON COLUMN "issue"."verification_time" IS 'Copied from "policy" table at creation of issue';
653 COMMENT ON COLUMN "issue"."voting_time" IS 'Copied from "policy" table at creation of issue';
654 COMMENT ON COLUMN "issue"."snapshot" IS 'Point in time, when snapshot tables have been updated and "population" and *_count values were precalculated';
655 COMMENT ON COLUMN "issue"."latest_snapshot_event" IS 'Event type of latest snapshot for issue; Can be used to select the latest snapshot data in the snapshot tables';
656 COMMENT ON COLUMN "issue"."population" IS 'Sum of "weight" column in table "direct_population_snapshot"';
657 COMMENT ON COLUMN "issue"."voter_count" IS 'Total number of direct and delegating voters; This value is related to the final voting, while "population" is related to snapshots before the final voting';
658 COMMENT ON COLUMN "issue"."status_quo_schulze_rank" IS 'Schulze rank of status quo, as calculated by "calculate_ranks" function';
661 CREATE TABLE "issue_order_in_admission_state" (
662 "id" INT8 PRIMARY KEY, --REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
663 "order_in_area" INT4,
664 "order_in_unit" INT4 );
666 COMMENT ON TABLE "issue_order_in_admission_state" IS 'Ordering information for issues that are not stored in the "issue" table to avoid locking of multiple issues at once; Filled/updated by "lf_update_issue_order"';
668 COMMENT ON COLUMN "issue_order_in_admission_state"."id" IS 'References "issue" ("id") but has no referential integrity trigger associated, due to performance/locking issues';
669 COMMENT ON COLUMN "issue_order_in_admission_state"."order_in_area" IS 'Order of issues in admission state within a single area; NULL values sort last';
670 COMMENT ON COLUMN "issue_order_in_admission_state"."order_in_unit" IS 'Order of issues in admission state within all areas of a unit; NULL values sort last';
673 CREATE TABLE "issue_setting" (
674 PRIMARY KEY ("member_id", "key", "issue_id"),
675 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
676 "key" TEXT NOT NULL,
677 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
678 "value" TEXT NOT NULL );
680 COMMENT ON TABLE "issue_setting" IS 'Place for frontend to store issue specific settings of members as strings';
683 CREATE TABLE "initiative" (
684 UNIQUE ("issue_id", "id"), -- index needed for foreign-key on table "vote"
685 "issue_id" INT4 NOT NULL REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
686 "id" SERIAL4 PRIMARY KEY,
687 "name" TEXT NOT NULL,
688 "polling" BOOLEAN NOT NULL DEFAULT FALSE,
689 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
690 "revoked" TIMESTAMPTZ,
691 "revoked_by_member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
692 "suggested_initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
693 "external_reference" TEXT,
694 "admitted" BOOLEAN,
695 "supporter_count" INT4,
696 "informed_supporter_count" INT4,
697 "satisfied_supporter_count" INT4,
698 "satisfied_informed_supporter_count" INT4,
699 "harmonic_weight" NUMERIC(12, 3),
700 "final_suggestion_order_calculated" BOOLEAN NOT NULL DEFAULT FALSE,
701 "first_preference_votes" INT4,
702 "positive_votes" INT4,
703 "negative_votes" INT4,
704 "direct_majority" BOOLEAN,
705 "indirect_majority" BOOLEAN,
706 "schulze_rank" INT4,
707 "better_than_status_quo" BOOLEAN,
708 "worse_than_status_quo" BOOLEAN,
709 "reverse_beat_path" BOOLEAN,
710 "multistage_majority" BOOLEAN,
711 "eligible" BOOLEAN,
712 "winner" BOOLEAN,
713 "rank" INT4,
714 "text_search_data" TSVECTOR,
715 CONSTRAINT "all_or_none_of_revoked_and_revoked_by_member_id_must_be_null"
716 CHECK (("revoked" NOTNULL) = ("revoked_by_member_id" NOTNULL)),
717 CONSTRAINT "non_revoked_initiatives_cant_suggest_other"
718 CHECK ("revoked" NOTNULL OR "suggested_initiative_id" ISNULL),
719 CONSTRAINT "revoked_initiatives_cant_be_admitted"
720 CHECK ("revoked" ISNULL OR "admitted" ISNULL),
721 CONSTRAINT "non_admitted_initiatives_cant_contain_voting_results" CHECK (
722 ( "admitted" NOTNULL AND "admitted" = TRUE ) OR
723 ( "first_preference_votes" ISNULL AND
724 "positive_votes" ISNULL AND "negative_votes" ISNULL AND
725 "direct_majority" ISNULL AND "indirect_majority" ISNULL AND
726 "schulze_rank" ISNULL AND
727 "better_than_status_quo" ISNULL AND "worse_than_status_quo" ISNULL AND
728 "reverse_beat_path" ISNULL AND "multistage_majority" ISNULL AND
729 "eligible" ISNULL AND "winner" ISNULL AND "rank" ISNULL ) ),
730 CONSTRAINT "better_excludes_worse" CHECK (NOT ("better_than_status_quo" AND "worse_than_status_quo")),
731 CONSTRAINT "minimum_requirement_to_be_eligible" CHECK (
732 "eligible" = FALSE OR
733 ("direct_majority" AND "indirect_majority" AND "better_than_status_quo") ),
734 CONSTRAINT "winner_must_be_eligible" CHECK ("winner"=FALSE OR "eligible"=TRUE),
735 CONSTRAINT "winner_must_have_first_rank" CHECK ("winner"=FALSE OR "rank"=1),
736 CONSTRAINT "eligible_at_first_rank_is_winner" CHECK ("eligible"=FALSE OR "rank"!=1 OR "winner"=TRUE),
737 CONSTRAINT "unique_rank_per_issue" UNIQUE ("issue_id", "rank") );
738 CREATE INDEX "initiative_created_idx" ON "initiative" ("created");
739 CREATE INDEX "initiative_revoked_idx" ON "initiative" ("revoked");
740 CREATE INDEX "initiative_text_search_data_idx" ON "initiative" USING gin ("text_search_data");
741 CREATE TRIGGER "update_text_search_data"
742 BEFORE INSERT OR UPDATE ON "initiative"
743 FOR EACH ROW EXECUTE PROCEDURE
744 tsvector_update_trigger('text_search_data', 'pg_catalog.simple', "name");
746 COMMENT ON TABLE "initiative" IS 'Group of members publishing drafts for resolutions to be passed; Frontends must ensure that initiatives of half_frozen issues are not revoked, and that initiatives of fully_frozen or closed issues are neither revoked nor created.';
748 COMMENT ON COLUMN "initiative"."polling" IS 'Initiative does not need to pass the initiative quorum (see "policy"."polling")';
749 COMMENT ON COLUMN "initiative"."revoked" IS 'Point in time, when one initiator decided to revoke the initiative';
750 COMMENT ON COLUMN "initiative"."revoked_by_member_id" IS 'Member, who decided to revoke the initiative';
751 COMMENT ON COLUMN "initiative"."external_reference" IS 'Opaque data field to store an external reference';
752 COMMENT ON COLUMN "initiative"."admitted" IS 'TRUE, if initiative reaches the "initiative_quorum" when freezing the issue';
753 COMMENT ON COLUMN "initiative"."supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';
754 COMMENT ON COLUMN "initiative"."informed_supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';
755 COMMENT ON COLUMN "initiative"."satisfied_supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';
756 COMMENT ON COLUMN "initiative"."satisfied_informed_supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';
757 COMMENT ON COLUMN "initiative"."harmonic_weight" IS 'Indicates the relevancy of the initiative, calculated from the potential supporters weighted with the harmonic series to avoid a large number of clones affecting other initiative''s sorting positions too much; shall be used as secondary sorting key after "admitted" as primary sorting key';
758 COMMENT ON COLUMN "initiative"."final_suggestion_order_calculated" IS 'Set to TRUE, when "proportional_order" of suggestions has been calculated the last time';
759 COMMENT ON COLUMN "initiative"."first_preference_votes" IS 'Number of direct and delegating voters who ranked this initiative as their first choice';
760 COMMENT ON COLUMN "initiative"."positive_votes" IS 'Number of direct and delegating voters who ranked this initiative better than the status quo';
761 COMMENT ON COLUMN "initiative"."negative_votes" IS 'Number of direct and delegating voters who ranked this initiative worse than the status quo';
762 COMMENT ON COLUMN "initiative"."direct_majority" IS 'TRUE, if "positive_votes"/("positive_votes"+"negative_votes") is strictly greater or greater-equal than "direct_majority_num"/"direct_majority_den", and "positive_votes" is greater-equal than "direct_majority_positive", and ("positive_votes"+abstentions) is greater-equal than "direct_majority_non_negative"';
763 COMMENT ON COLUMN "initiative"."indirect_majority" IS 'Same as "direct_majority", but also considering indirect beat paths';
764 COMMENT ON COLUMN "initiative"."schulze_rank" IS 'Schulze-Ranking';
765 COMMENT ON COLUMN "initiative"."better_than_status_quo" IS 'TRUE, if initiative has a schulze-ranking better than the status quo';
766 COMMENT ON COLUMN "initiative"."worse_than_status_quo" IS 'TRUE, if initiative has a schulze-ranking worse than the status quo (DEPRECATED, since schulze-ranking is unique per issue; use "better_than_status_quo"=FALSE)';
767 COMMENT ON COLUMN "initiative"."reverse_beat_path" IS 'TRUE, if there is a beat path (may include ties) from this initiative to the status quo; set to NULL if "policy"."defeat_strength" is set to ''simple''';
768 COMMENT ON COLUMN "initiative"."multistage_majority" IS 'TRUE, if either (a) this initiative has no better rank than the status quo, or (b) there exists a better ranked initiative X, which directly beats this initiative, and either more voters prefer X to this initiative than voters preferring X to the status quo or less voters prefer this initiative to X than voters preferring the status quo to X';
769 COMMENT ON COLUMN "initiative"."eligible" IS 'Initiative has a "direct_majority" and an "indirect_majority", is "better_than_status_quo" and depending on selected policy the initiative has no "reverse_beat_path" or "multistage_majority"';
770 COMMENT ON COLUMN "initiative"."winner" IS 'Winner is the "eligible" initiative with best "schulze_rank"';
771 COMMENT ON COLUMN "initiative"."rank" IS 'Unique ranking for all "admitted" initiatives per issue; lower rank is better; a winner always has rank 1, but rank 1 does not imply that an initiative is winner; initiatives with "direct_majority" AND "indirect_majority" always have a better (lower) rank than other initiatives';
774 CREATE TABLE "battle" (
775 "issue_id" INT4 NOT NULL,
776 "winning_initiative_id" INT4,
777 FOREIGN KEY ("issue_id", "winning_initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
778 "losing_initiative_id" INT4,
779 FOREIGN KEY ("issue_id", "losing_initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
780 "count" INT4 NOT NULL,
781 CONSTRAINT "initiative_ids_not_equal" CHECK (
782 "winning_initiative_id" != "losing_initiative_id" OR
783 ( ("winning_initiative_id" NOTNULL AND "losing_initiative_id" ISNULL) OR
784 ("winning_initiative_id" ISNULL AND "losing_initiative_id" NOTNULL) ) ) );
785 CREATE UNIQUE INDEX "battle_winning_losing_idx" ON "battle" ("issue_id", "winning_initiative_id", "losing_initiative_id");
786 CREATE UNIQUE INDEX "battle_winning_null_idx" ON "battle" ("issue_id", "winning_initiative_id") WHERE "losing_initiative_id" ISNULL;
787 CREATE UNIQUE INDEX "battle_null_losing_idx" ON "battle" ("issue_id", "losing_initiative_id") WHERE "winning_initiative_id" ISNULL;
789 COMMENT ON TABLE "battle" IS 'Number of members preferring one initiative to another; Filled by "battle_view" when closing an issue; NULL as initiative_id denotes virtual "status-quo" initiative';
792 CREATE TABLE "ignored_initiative" (
793 PRIMARY KEY ("member_id", "initiative_id"),
794 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
795 "initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
796 CREATE INDEX "ignored_initiative_initiative_id_idx" ON "ignored_initiative" ("initiative_id");
798 COMMENT ON TABLE "ignored_initiative" IS 'Possibility to filter initiatives';
801 CREATE TABLE "initiative_setting" (
802 PRIMARY KEY ("member_id", "key", "initiative_id"),
803 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
804 "key" TEXT NOT NULL,
805 "initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
806 "value" TEXT NOT NULL );
808 COMMENT ON TABLE "initiative_setting" IS 'Place for frontend to store initiative specific settings of members as strings';
811 CREATE TABLE "draft" (
812 UNIQUE ("initiative_id", "id"), -- index needed for foreign-key on table "supporter"
813 "initiative_id" INT4 NOT NULL REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
814 "id" SERIAL8 PRIMARY KEY,
815 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
816 "author_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
817 "formatting_engine" TEXT,
818 "content" TEXT NOT NULL,
819 "external_reference" TEXT,
820 "text_search_data" TSVECTOR );
821 CREATE INDEX "draft_created_idx" ON "draft" ("created");
822 CREATE INDEX "draft_author_id_created_idx" ON "draft" ("author_id", "created");
823 CREATE INDEX "draft_text_search_data_idx" ON "draft" USING gin ("text_search_data");
824 CREATE TRIGGER "update_text_search_data"
825 BEFORE INSERT OR UPDATE ON "draft"
826 FOR EACH ROW EXECUTE PROCEDURE
827 tsvector_update_trigger('text_search_data', 'pg_catalog.simple', "content");
829 COMMENT ON TABLE "draft" IS 'Drafts of initiatives to solve issues; Frontends must ensure that new drafts for initiatives of half_frozen, fully_frozen or closed issues can''t be created.';
831 COMMENT ON COLUMN "draft"."formatting_engine" IS 'Allows different formatting engines (i.e. wiki formats) to be used';
832 COMMENT ON COLUMN "draft"."content" IS 'Text of the draft in a format depending on the field "formatting_engine"';
833 COMMENT ON COLUMN "draft"."external_reference" IS 'Opaque data field to store an external reference';
836 CREATE TABLE "rendered_draft" (
837 PRIMARY KEY ("draft_id", "format"),
838 "draft_id" INT8 REFERENCES "draft" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
839 "format" TEXT,
840 "content" TEXT NOT NULL );
842 COMMENT ON TABLE "rendered_draft" IS 'This table may be used by frontends to cache "rendered" drafts (e.g. HTML output generated from wiki text)';
845 CREATE TABLE "suggestion" (
846 UNIQUE ("initiative_id", "id"), -- index needed for foreign-key on table "opinion"
847 "initiative_id" INT4 NOT NULL REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
848 "id" SERIAL8 PRIMARY KEY,
849 "draft_id" INT8 NOT NULL,
850 FOREIGN KEY ("initiative_id", "draft_id") REFERENCES "draft" ("initiative_id", "id") ON DELETE NO ACTION ON UPDATE CASCADE,
851 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),
852 "author_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
853 "name" TEXT NOT NULL,
854 "formatting_engine" TEXT,
855 "content" TEXT NOT NULL DEFAULT '',
856 "external_reference" TEXT,
857 "text_search_data" TSVECTOR,
858 "minus2_unfulfilled_count" INT4,
859 "minus2_fulfilled_count" INT4,
860 "minus1_unfulfilled_count" INT4,
861 "minus1_fulfilled_count" INT4,
862 "plus1_unfulfilled_count" INT4,
863 "plus1_fulfilled_count" INT4,
864 "plus2_unfulfilled_count" INT4,
865 "plus2_fulfilled_count" INT4,
866 "proportional_order" INT4 );
867 CREATE INDEX "suggestion_created_idx" ON "suggestion" ("created");
868 CREATE INDEX "suggestion_author_id_created_idx" ON "suggestion" ("author_id", "created");
869 CREATE INDEX "suggestion_text_search_data_idx" ON "suggestion" USING gin ("text_search_data");
870 CREATE TRIGGER "update_text_search_data"
871 BEFORE INSERT OR UPDATE ON "suggestion"
872 FOR EACH ROW EXECUTE PROCEDURE
873 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',
874 "name", "content");
876 COMMENT ON TABLE "suggestion" IS 'Suggestions to initiators, to change the current draft; must not be deleted explicitly, as they vanish automatically if the last opinion is deleted';
878 COMMENT ON COLUMN "suggestion"."draft_id" IS 'Draft, which the author has seen when composing the suggestion; should always be set by a frontend, but defaults to current draft of the initiative (implemented by trigger "default_for_draft_id")';
879 COMMENT ON COLUMN "suggestion"."external_reference" IS 'Opaque data field to store an external reference';
880 COMMENT ON COLUMN "suggestion"."minus2_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
881 COMMENT ON COLUMN "suggestion"."minus2_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
882 COMMENT ON COLUMN "suggestion"."minus1_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
883 COMMENT ON COLUMN "suggestion"."minus1_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
884 COMMENT ON COLUMN "suggestion"."plus1_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
885 COMMENT ON COLUMN "suggestion"."plus1_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
886 COMMENT ON COLUMN "suggestion"."plus2_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
887 COMMENT ON COLUMN "suggestion"."plus2_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';
888 COMMENT ON COLUMN "suggestion"."proportional_order" IS 'To be used for sorting suggestions within an initiative; NULL values sort last; updated by "lf_update_suggestion_order"';
891 CREATE TABLE "rendered_suggestion" (
892 PRIMARY KEY ("suggestion_id", "format"),
893 "suggestion_id" INT8 REFERENCES "suggestion" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
894 "format" TEXT,
895 "content" TEXT NOT NULL );
897 COMMENT ON TABLE "rendered_suggestion" IS 'This table may be used by frontends to cache "rendered" drafts (e.g. HTML output generated from wiki text)';
900 CREATE TABLE "suggestion_setting" (
901 PRIMARY KEY ("member_id", "key", "suggestion_id"),
902 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
903 "key" TEXT NOT NULL,
904 "suggestion_id" INT8 REFERENCES "suggestion" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
905 "value" TEXT NOT NULL );
907 COMMENT ON TABLE "suggestion_setting" IS 'Place for frontend to store suggestion specific settings of members as strings';
910 CREATE TABLE "privilege" (
911 PRIMARY KEY ("unit_id", "member_id"),
912 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
913 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
914 "admin_manager" BOOLEAN NOT NULL DEFAULT FALSE,
915 "unit_manager" BOOLEAN NOT NULL DEFAULT FALSE,
916 "area_manager" BOOLEAN NOT NULL DEFAULT FALSE,
917 "member_manager" BOOLEAN NOT NULL DEFAULT FALSE,
918 "initiative_right" BOOLEAN NOT NULL DEFAULT TRUE,
919 "voting_right" BOOLEAN NOT NULL DEFAULT TRUE,
920 "polling_right" BOOLEAN NOT NULL DEFAULT FALSE );
922 COMMENT ON TABLE "privilege" IS 'Members rights related to each unit';
924 COMMENT ON COLUMN "privilege"."admin_manager" IS 'Grant/revoke any privileges to/from other members';
925 COMMENT ON COLUMN "privilege"."unit_manager" IS 'Create and disable sub units';
926 COMMENT ON COLUMN "privilege"."area_manager" IS 'Create and disable areas and set area parameters';
927 COMMENT ON COLUMN "privilege"."member_manager" IS 'Adding/removing members from the unit, granting or revoking "initiative_right" and "voting_right"';
928 COMMENT ON COLUMN "privilege"."initiative_right" IS 'Right to create an initiative';
929 COMMENT ON COLUMN "privilege"."voting_right" IS 'Right to support initiatives, create and rate suggestions, and to vote';
930 COMMENT ON COLUMN "privilege"."polling_right" IS 'Right to create issues with policies having the "policy"."polling" flag set, and to add initiatives having the "initiative"."polling" flag set to those issues';
933 CREATE TABLE "membership" (
934 PRIMARY KEY ("area_id", "member_id"),
935 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
936 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
937 CREATE INDEX "membership_member_id_idx" ON "membership" ("member_id");
939 COMMENT ON TABLE "membership" IS 'Interest of members in topic areas';
942 CREATE TABLE "interest" (
943 PRIMARY KEY ("issue_id", "member_id"),
944 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
945 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
946 CREATE INDEX "interest_member_id_idx" ON "interest" ("member_id");
948 COMMENT ON TABLE "interest" IS 'Interest of members in a particular issue; Frontends must ensure that interest for fully_frozen or closed issues is not added or removed.';
951 CREATE TABLE "initiator" (
952 PRIMARY KEY ("initiative_id", "member_id"),
953 "initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
954 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
955 "accepted" BOOLEAN );
956 CREATE INDEX "initiator_member_id_idx" ON "initiator" ("member_id");
958 COMMENT ON TABLE "initiator" IS 'Members who are allowed to post new drafts; Frontends must ensure that initiators are not added or removed from half_frozen, fully_frozen or closed initiatives.';
960 COMMENT ON COLUMN "initiator"."accepted" IS 'If "accepted" is NULL, then the member was invited to be a co-initiator, but has not answered yet. If it is TRUE, the member has accepted the invitation, if it is FALSE, the member has rejected the invitation.';
963 CREATE TABLE "supporter" (
964 "issue_id" INT4 NOT NULL,
965 PRIMARY KEY ("initiative_id", "member_id"),
966 "initiative_id" INT4,
967 "member_id" INT4,
968 "draft_id" INT8 NOT NULL,
969 FOREIGN KEY ("issue_id", "member_id") REFERENCES "interest" ("issue_id", "member_id") ON DELETE CASCADE ON UPDATE CASCADE,
970 FOREIGN KEY ("initiative_id", "draft_id") REFERENCES "draft" ("initiative_id", "id") ON DELETE NO ACTION ON UPDATE CASCADE );
971 CREATE INDEX "supporter_member_id_idx" ON "supporter" ("member_id");
973 COMMENT ON TABLE "supporter" IS 'Members who support an initiative (conditionally); Frontends must ensure that supporters are not added or removed from fully_frozen or closed initiatives.';
975 COMMENT ON COLUMN "supporter"."issue_id" IS 'WARNING: No index: For selections use column "initiative_id" and join via table "initiative" where neccessary';
976 COMMENT ON COLUMN "supporter"."draft_id" IS 'Latest seen draft; should always be set by a frontend, but defaults to current draft of the initiative (implemented by trigger "default_for_draft_id")';
979 CREATE TABLE "opinion" (
980 "initiative_id" INT4 NOT NULL,
981 PRIMARY KEY ("suggestion_id", "member_id"),
982 "suggestion_id" INT8,
983 "member_id" INT4,
984 "degree" INT2 NOT NULL CHECK ("degree" >= -2 AND "degree" <= 2 AND "degree" != 0),
985 "fulfilled" BOOLEAN NOT NULL DEFAULT FALSE,
986 FOREIGN KEY ("initiative_id", "suggestion_id") REFERENCES "suggestion" ("initiative_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
987 FOREIGN KEY ("initiative_id", "member_id") REFERENCES "supporter" ("initiative_id", "member_id") ON DELETE CASCADE ON UPDATE CASCADE );
988 CREATE INDEX "opinion_member_id_initiative_id_idx" ON "opinion" ("member_id", "initiative_id");
990 COMMENT ON TABLE "opinion" IS 'Opinion on suggestions (criticism related to initiatives); Frontends must ensure that opinions are not created modified or deleted when related to fully_frozen or closed issues.';
992 COMMENT ON COLUMN "opinion"."degree" IS '2 = fulfillment required for support; 1 = fulfillment desired; -1 = fulfillment unwanted; -2 = fulfillment cancels support';
995 CREATE TYPE "delegation_scope" AS ENUM ('unit', 'area', 'issue');
997 COMMENT ON TYPE "delegation_scope" IS 'Scope for delegations: ''unit'', ''area'', or ''issue'' (order is relevant)';
1000 CREATE TABLE "delegation" (
1001 "id" SERIAL8 PRIMARY KEY,
1002 "truster_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1003 "trustee_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1004 "scope" "delegation_scope" NOT NULL,
1005 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1006 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1007 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1008 CONSTRAINT "cant_delegate_to_yourself" CHECK ("truster_id" != "trustee_id"),
1009 CONSTRAINT "no_unit_delegation_to_null"
1010 CHECK ("trustee_id" NOTNULL OR "scope" != 'unit'),
1011 CONSTRAINT "area_id_and_issue_id_set_according_to_scope" CHECK (
1012 ("scope" = 'unit' AND "unit_id" NOTNULL AND "area_id" ISNULL AND "issue_id" ISNULL ) OR
1013 ("scope" = 'area' AND "unit_id" ISNULL AND "area_id" NOTNULL AND "issue_id" ISNULL ) OR
1014 ("scope" = 'issue' AND "unit_id" ISNULL AND "area_id" ISNULL AND "issue_id" NOTNULL) ),
1015 UNIQUE ("unit_id", "truster_id"),
1016 UNIQUE ("area_id", "truster_id"),
1017 UNIQUE ("issue_id", "truster_id") );
1018 CREATE INDEX "delegation_truster_id_idx" ON "delegation" ("truster_id");
1019 CREATE INDEX "delegation_trustee_id_idx" ON "delegation" ("trustee_id");
1021 COMMENT ON TABLE "delegation" IS 'Delegation of vote-weight to other members';
1023 COMMENT ON COLUMN "delegation"."unit_id" IS 'Reference to unit, if delegation is unit-wide, otherwise NULL';
1024 COMMENT ON COLUMN "delegation"."area_id" IS 'Reference to area, if delegation is area-wide, otherwise NULL';
1025 COMMENT ON COLUMN "delegation"."issue_id" IS 'Reference to issue, if delegation is issue-wide, otherwise NULL';
1028 CREATE TABLE "direct_population_snapshot" (
1029 PRIMARY KEY ("issue_id", "event", "member_id"),
1030 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1031 "event" "snapshot_event",
1032 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1033 "weight" INT4 );
1034 CREATE INDEX "direct_population_snapshot_member_id_idx" ON "direct_population_snapshot" ("member_id");
1036 COMMENT ON TABLE "direct_population_snapshot" IS 'Snapshot of active members having either a "membership" in the "area" or an "interest" in the "issue"; for corrections refer to column "issue_notice" of "issue" table';
1038 COMMENT ON COLUMN "direct_population_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1039 COMMENT ON COLUMN "direct_population_snapshot"."weight" IS 'Weight of member (1 or higher) according to "delegating_population_snapshot"';
1042 CREATE TABLE "delegating_population_snapshot" (
1043 PRIMARY KEY ("issue_id", "event", "member_id"),
1044 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1045 "event" "snapshot_event",
1046 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1047 "weight" INT4,
1048 "scope" "delegation_scope" NOT NULL,
1049 "delegate_member_ids" INT4[] NOT NULL );
1050 CREATE INDEX "delegating_population_snapshot_member_id_idx" ON "delegating_population_snapshot" ("member_id");
1052 COMMENT ON TABLE "direct_population_snapshot" IS 'Delegations increasing the weight of entries in the "direct_population_snapshot" table; for corrections refer to column "issue_notice" of "issue" table';
1054 COMMENT ON COLUMN "delegating_population_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1055 COMMENT ON COLUMN "delegating_population_snapshot"."member_id" IS 'Delegating member';
1056 COMMENT ON COLUMN "delegating_population_snapshot"."weight" IS 'Intermediate weight';
1057 COMMENT ON COLUMN "delegating_population_snapshot"."delegate_member_ids" IS 'Chain of members who act as delegates; last entry referes to "member_id" column of table "direct_population_snapshot"';
1060 CREATE TABLE "direct_interest_snapshot" (
1061 PRIMARY KEY ("issue_id", "event", "member_id"),
1062 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1063 "event" "snapshot_event",
1064 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1065 "weight" INT4 );
1066 CREATE INDEX "direct_interest_snapshot_member_id_idx" ON "direct_interest_snapshot" ("member_id");
1068 COMMENT ON TABLE "direct_interest_snapshot" IS 'Snapshot of active members having an "interest" in the "issue"; for corrections refer to column "issue_notice" of "issue" table';
1070 COMMENT ON COLUMN "direct_interest_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1071 COMMENT ON COLUMN "direct_interest_snapshot"."weight" IS 'Weight of member (1 or higher) according to "delegating_interest_snapshot"';
1074 CREATE TABLE "delegating_interest_snapshot" (
1075 PRIMARY KEY ("issue_id", "event", "member_id"),
1076 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1077 "event" "snapshot_event",
1078 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1079 "weight" INT4,
1080 "scope" "delegation_scope" NOT NULL,
1081 "delegate_member_ids" INT4[] NOT NULL );
1082 CREATE INDEX "delegating_interest_snapshot_member_id_idx" ON "delegating_interest_snapshot" ("member_id");
1084 COMMENT ON TABLE "delegating_interest_snapshot" IS 'Delegations increasing the weight of entries in the "direct_interest_snapshot" table; for corrections refer to column "issue_notice" of "issue" table';
1086 COMMENT ON COLUMN "delegating_interest_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1087 COMMENT ON COLUMN "delegating_interest_snapshot"."member_id" IS 'Delegating member';
1088 COMMENT ON COLUMN "delegating_interest_snapshot"."weight" IS 'Intermediate weight';
1089 COMMENT ON COLUMN "delegating_interest_snapshot"."delegate_member_ids" IS 'Chain of members who act as delegates; last entry referes to "member_id" column of table "direct_interest_snapshot"';
1092 CREATE TABLE "direct_supporter_snapshot" (
1093 "issue_id" INT4 NOT NULL,
1094 PRIMARY KEY ("initiative_id", "event", "member_id"),
1095 "initiative_id" INT4,
1096 "event" "snapshot_event",
1097 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1098 "draft_id" INT8 NOT NULL,
1099 "informed" BOOLEAN NOT NULL,
1100 "satisfied" BOOLEAN NOT NULL,
1101 FOREIGN KEY ("issue_id", "initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
1102 FOREIGN KEY ("initiative_id", "draft_id") REFERENCES "draft" ("initiative_id", "id") ON DELETE NO ACTION ON UPDATE CASCADE,
1103 FOREIGN KEY ("issue_id", "event", "member_id") REFERENCES "direct_interest_snapshot" ("issue_id", "event", "member_id") ON DELETE CASCADE ON UPDATE CASCADE );
1104 CREATE INDEX "direct_supporter_snapshot_member_id_idx" ON "direct_supporter_snapshot" ("member_id");
1106 COMMENT ON TABLE "direct_supporter_snapshot" IS 'Snapshot of supporters of initiatives (weight is stored in "direct_interest_snapshot"); for corrections refer to column "issue_notice" of "issue" table';
1108 COMMENT ON COLUMN "direct_supporter_snapshot"."issue_id" IS 'WARNING: No index: For selections use column "initiative_id" and join via table "initiative" where neccessary';
1109 COMMENT ON COLUMN "direct_supporter_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';
1110 COMMENT ON COLUMN "direct_supporter_snapshot"."informed" IS 'Supporter has seen the latest draft of the initiative';
1111 COMMENT ON COLUMN "direct_supporter_snapshot"."satisfied" IS 'Supporter has no "critical_opinion"s';
1114 CREATE TABLE "non_voter" (
1115 PRIMARY KEY ("issue_id", "member_id"),
1116 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1117 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );
1118 CREATE INDEX "non_voter_member_id_idx" ON "non_voter" ("member_id");
1120 COMMENT ON TABLE "non_voter" IS 'Members who decided to not vote directly on an issue';
1123 CREATE TABLE "direct_voter" (
1124 PRIMARY KEY ("issue_id", "member_id"),
1125 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1126 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1127 "weight" INT4,
1128 "comment_changed" TIMESTAMPTZ,
1129 "formatting_engine" TEXT,
1130 "comment" TEXT,
1131 "text_search_data" TSVECTOR );
1132 CREATE INDEX "direct_voter_member_id_idx" ON "direct_voter" ("member_id");
1133 CREATE INDEX "direct_voter_text_search_data_idx" ON "direct_voter" USING gin ("text_search_data");
1134 CREATE TRIGGER "update_text_search_data"
1135 BEFORE INSERT OR UPDATE ON "direct_voter"
1136 FOR EACH ROW EXECUTE PROCEDURE
1137 tsvector_update_trigger('text_search_data', 'pg_catalog.simple', "comment");
1139 COMMENT ON TABLE "direct_voter" IS 'Members having directly voted for/against initiatives of an issue; frontends must ensure that no voters are added or removed to/from this table when the issue has been closed; for corrections refer to column "issue_notice" of "issue" table';
1141 COMMENT ON COLUMN "direct_voter"."weight" IS 'Weight of member (1 or higher) according to "delegating_voter" table';
1142 COMMENT ON COLUMN "direct_voter"."comment_changed" IS 'Shall be set on comment change, to indicate a comment being modified after voting has been finished; Automatically set to NULL after voting phase; Automatically set to NULL by trigger, if "comment" is set to NULL';
1143 COMMENT ON COLUMN "direct_voter"."formatting_engine" IS 'Allows different formatting engines (i.e. wiki formats) to be used for "direct_voter"."comment"; Automatically set to NULL by trigger, if "comment" is set to NULL';
1144 COMMENT ON COLUMN "direct_voter"."comment" IS 'Is to be set or updated by the frontend, if comment was inserted or updated AFTER the issue has been closed. Otherwise it shall be set to NULL.';
1147 CREATE TABLE "rendered_voter_comment" (
1148 PRIMARY KEY ("issue_id", "member_id", "format"),
1149 FOREIGN KEY ("issue_id", "member_id")
1150 REFERENCES "direct_voter" ("issue_id", "member_id")
1151 ON DELETE CASCADE ON UPDATE CASCADE,
1152 "issue_id" INT4,
1153 "member_id" INT4,
1154 "format" TEXT,
1155 "content" TEXT NOT NULL );
1157 COMMENT ON TABLE "rendered_voter_comment" IS 'This table may be used by frontends to cache "rendered" voter comments (e.g. HTML output generated from wiki text)';
1160 CREATE TABLE "delegating_voter" (
1161 PRIMARY KEY ("issue_id", "member_id"),
1162 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1163 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,
1164 "weight" INT4,
1165 "scope" "delegation_scope" NOT NULL,
1166 "delegate_member_ids" INT4[] NOT NULL );
1167 CREATE INDEX "delegating_voter_member_id_idx" ON "delegating_voter" ("member_id");
1169 COMMENT ON TABLE "delegating_voter" IS 'Delegations increasing the weight of entries in the "direct_voter" table; for corrections refer to column "issue_notice" of "issue" table';
1171 COMMENT ON COLUMN "delegating_voter"."member_id" IS 'Delegating member';
1172 COMMENT ON COLUMN "delegating_voter"."weight" IS 'Intermediate weight';
1173 COMMENT ON COLUMN "delegating_voter"."delegate_member_ids" IS 'Chain of members who act as delegates; last entry referes to "member_id" column of table "direct_voter"';
1176 CREATE TABLE "vote" (
1177 "issue_id" INT4 NOT NULL,
1178 PRIMARY KEY ("initiative_id", "member_id"),
1179 "initiative_id" INT4,
1180 "member_id" INT4,
1181 "grade" INT4 NOT NULL,
1182 "first_preference" BOOLEAN,
1183 FOREIGN KEY ("issue_id", "initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,
1184 FOREIGN KEY ("issue_id", "member_id") REFERENCES "direct_voter" ("issue_id", "member_id") ON DELETE CASCADE ON UPDATE CASCADE,
1185 CONSTRAINT "first_preference_flag_only_set_on_positive_grades"
1186 CHECK ("grade" > 0 OR "first_preference" ISNULL) );
1187 CREATE INDEX "vote_member_id_idx" ON "vote" ("member_id");
1189 COMMENT ON TABLE "vote" IS 'Manual and delegated votes without abstentions; frontends must ensure that no votes are added modified or removed when the issue has been closed; for corrections refer to column "issue_notice" of "issue" table';
1191 COMMENT ON COLUMN "vote"."issue_id" IS 'WARNING: No index: For selections use column "initiative_id" and join via table "initiative" where neccessary';
1192 COMMENT ON COLUMN "vote"."grade" IS 'Values smaller than zero mean reject, values greater than zero mean acceptance, zero or missing row means abstention. Preferences are expressed by different positive or negative numbers.';
1193 COMMENT ON COLUMN "vote"."first_preference" IS 'Value is automatically set after voting is finished. For positive grades, this value is set to true for the highest (i.e. best) grade.';
1196 CREATE TYPE "event_type" AS ENUM (
1197 'issue_state_changed',
1198 'initiative_created_in_new_issue',
1199 'initiative_created_in_existing_issue',
1200 'initiative_revoked',
1201 'new_draft_created',
1202 'suggestion_created');
1204 COMMENT ON TYPE "event_type" IS 'Type used for column "event" of table "event"';
1207 CREATE TABLE "event" (
1208 "id" SERIAL8 PRIMARY KEY,
1209 "occurrence" TIMESTAMPTZ NOT NULL DEFAULT now(),
1210 "event" "event_type" NOT NULL,
1211 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
1212 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1213 "state" "issue_state",
1214 "initiative_id" INT4,
1215 "draft_id" INT8,
1216 "suggestion_id" INT8,
1217 FOREIGN KEY ("issue_id", "initiative_id")
1218 REFERENCES "initiative" ("issue_id", "id")
1219 ON DELETE CASCADE ON UPDATE CASCADE,
1220 FOREIGN KEY ("initiative_id", "draft_id")
1221 REFERENCES "draft" ("initiative_id", "id")
1222 ON DELETE CASCADE ON UPDATE CASCADE,
1223 FOREIGN KEY ("initiative_id", "suggestion_id")
1224 REFERENCES "suggestion" ("initiative_id", "id")
1225 ON DELETE CASCADE ON UPDATE CASCADE,
1226 CONSTRAINT "null_constr_for_issue_state_changed" CHECK (
1227 "event" != 'issue_state_changed' OR (
1228 "member_id" ISNULL AND
1229 "issue_id" NOTNULL AND
1230 "state" NOTNULL AND
1231 "initiative_id" ISNULL AND
1232 "draft_id" ISNULL AND
1233 "suggestion_id" ISNULL )),
1234 CONSTRAINT "null_constr_for_initiative_creation_or_revocation_or_new_draft" CHECK (
1235 "event" NOT IN (
1236 'initiative_created_in_new_issue',
1237 'initiative_created_in_existing_issue',
1238 'initiative_revoked',
1239 'new_draft_created'
1240 ) OR (
1241 "member_id" NOTNULL AND
1242 "issue_id" NOTNULL AND
1243 "state" NOTNULL AND
1244 "initiative_id" NOTNULL AND
1245 "draft_id" NOTNULL AND
1246 "suggestion_id" ISNULL )),
1247 CONSTRAINT "null_constr_for_suggestion_creation" CHECK (
1248 "event" != 'suggestion_created' OR (
1249 "member_id" NOTNULL AND
1250 "issue_id" NOTNULL AND
1251 "state" NOTNULL AND
1252 "initiative_id" NOTNULL AND
1253 "draft_id" ISNULL AND
1254 "suggestion_id" NOTNULL )) );
1255 CREATE INDEX "event_occurrence_idx" ON "event" ("occurrence");
1257 COMMENT ON TABLE "event" IS 'Event table, automatically filled by triggers';
1259 COMMENT ON COLUMN "event"."occurrence" IS 'Point in time, when event occurred';
1260 COMMENT ON COLUMN "event"."event" IS 'Type of event (see TYPE "event_type")';
1261 COMMENT ON COLUMN "event"."member_id" IS 'Member who caused the event, if applicable';
1262 COMMENT ON COLUMN "event"."state" IS 'If issue_id is set: state of affected issue; If state changed: new state';
1265 CREATE TABLE "notification_sent" (
1266 "event_id" INT8 NOT NULL );
1267 CREATE UNIQUE INDEX "notification_sent_singleton_idx" ON "notification_sent" ((1));
1269 COMMENT ON TABLE "notification_sent" IS 'This table stores one row with the last event_id, for which notifications have been sent out';
1270 COMMENT ON INDEX "notification_sent_singleton_idx" IS 'This index ensures that "notification_sent" only contains one row maximum.';
1273 CREATE TABLE "initiative_notification_sent" (
1274 PRIMARY KEY ("member_id", "initiative_id"),
1275 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1276 "initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
1277 "last_draft_id" INT8 NOT NULL,
1278 "last_suggestion_id" INT8 NOT NULL );
1279 CREATE INDEX "initiative_notification_sent_initiative_idx" ON "initiative_notification_sent" ("initiative_id");
1283 ----------------------------------------------
1284 -- Writing of history entries and event log --
1285 ----------------------------------------------
1288 CREATE FUNCTION "write_member_history_trigger"()
1289 RETURNS TRIGGER
1290 LANGUAGE 'plpgsql' VOLATILE AS $$
1291 BEGIN
1292 IF
1293 ( NEW."active" != OLD."active" OR
1294 NEW."name" != OLD."name" ) AND
1295 OLD."activated" NOTNULL
1296 THEN
1297 INSERT INTO "member_history"
1298 ("member_id", "active", "name")
1299 VALUES (NEW."id", OLD."active", OLD."name");
1300 END IF;
1301 RETURN NULL;
1302 END;
1303 $$;
1305 CREATE TRIGGER "write_member_history"
1306 AFTER UPDATE ON "member" FOR EACH ROW EXECUTE PROCEDURE
1307 "write_member_history_trigger"();
1309 COMMENT ON FUNCTION "write_member_history_trigger"() IS 'Implementation of trigger "write_member_history" on table "member"';
1310 COMMENT ON TRIGGER "write_member_history" ON "member" IS 'When changing certain fields of a member, create a history entry in "member_history" table';
1313 CREATE FUNCTION "write_event_issue_state_changed_trigger"()
1314 RETURNS TRIGGER
1315 LANGUAGE 'plpgsql' VOLATILE AS $$
1316 BEGIN
1317 IF NEW."state" != OLD."state" THEN
1318 INSERT INTO "event" ("event", "issue_id", "state")
1319 VALUES ('issue_state_changed', NEW."id", NEW."state");
1320 END IF;
1321 RETURN NULL;
1322 END;
1323 $$;
1325 CREATE TRIGGER "write_event_issue_state_changed"
1326 AFTER UPDATE ON "issue" FOR EACH ROW EXECUTE PROCEDURE
1327 "write_event_issue_state_changed_trigger"();
1329 COMMENT ON FUNCTION "write_event_issue_state_changed_trigger"() IS 'Implementation of trigger "write_event_issue_state_changed" on table "issue"';
1330 COMMENT ON TRIGGER "write_event_issue_state_changed" ON "issue" IS 'Create entry in "event" table on "state" change';
1333 CREATE FUNCTION "write_event_initiative_or_draft_created_trigger"()
1334 RETURNS TRIGGER
1335 LANGUAGE 'plpgsql' VOLATILE AS $$
1336 DECLARE
1337 "initiative_row" "initiative"%ROWTYPE;
1338 "issue_row" "issue"%ROWTYPE;
1339 "event_v" "event_type";
1340 BEGIN
1341 SELECT * INTO "initiative_row" FROM "initiative"
1342 WHERE "id" = NEW."initiative_id";
1343 SELECT * INTO "issue_row" FROM "issue"
1344 WHERE "id" = "initiative_row"."issue_id";
1345 IF EXISTS (
1346 SELECT NULL FROM "draft"
1347 WHERE "initiative_id" = NEW."initiative_id"
1348 AND "id" != NEW."id"
1349 ) THEN
1350 "event_v" := 'new_draft_created';
1351 ELSE
1352 IF EXISTS (
1353 SELECT NULL FROM "initiative"
1354 WHERE "issue_id" = "initiative_row"."issue_id"
1355 AND "id" != "initiative_row"."id"
1356 ) THEN
1357 "event_v" := 'initiative_created_in_existing_issue';
1358 ELSE
1359 "event_v" := 'initiative_created_in_new_issue';
1360 END IF;
1361 END IF;
1362 INSERT INTO "event" (
1363 "event", "member_id",
1364 "issue_id", "state", "initiative_id", "draft_id"
1365 ) VALUES (
1366 "event_v",
1367 NEW."author_id",
1368 "initiative_row"."issue_id",
1369 "issue_row"."state",
1370 "initiative_row"."id",
1371 NEW."id" );
1372 RETURN NULL;
1373 END;
1374 $$;
1376 CREATE TRIGGER "write_event_initiative_or_draft_created"
1377 AFTER INSERT ON "draft" FOR EACH ROW EXECUTE PROCEDURE
1378 "write_event_initiative_or_draft_created_trigger"();
1380 COMMENT ON FUNCTION "write_event_initiative_or_draft_created_trigger"() IS 'Implementation of trigger "write_event_initiative_or_draft_created" on table "issue"';
1381 COMMENT ON TRIGGER "write_event_initiative_or_draft_created" ON "draft" IS 'Create entry in "event" table on draft creation';
1384 CREATE FUNCTION "write_event_initiative_revoked_trigger"()
1385 RETURNS TRIGGER
1386 LANGUAGE 'plpgsql' VOLATILE AS $$
1387 DECLARE
1388 "issue_row" "issue"%ROWTYPE;
1389 "draft_id_v" "draft"."id"%TYPE;
1390 BEGIN
1391 IF OLD."revoked" ISNULL AND NEW."revoked" NOTNULL THEN
1392 SELECT * INTO "issue_row" FROM "issue"
1393 WHERE "id" = NEW."issue_id";
1394 SELECT "id" INTO "draft_id_v" FROM "current_draft"
1395 WHERE "initiative_id" = NEW."id";
1396 INSERT INTO "event" (
1397 "event", "member_id", "issue_id", "state", "initiative_id", "draft_id"
1398 ) VALUES (
1399 'initiative_revoked',
1400 NEW."revoked_by_member_id",
1401 NEW."issue_id",
1402 "issue_row"."state",
1403 NEW."id",
1404 "draft_id_v");
1405 END IF;
1406 RETURN NULL;
1407 END;
1408 $$;
1410 CREATE TRIGGER "write_event_initiative_revoked"
1411 AFTER UPDATE ON "initiative" FOR EACH ROW EXECUTE PROCEDURE
1412 "write_event_initiative_revoked_trigger"();
1414 COMMENT ON FUNCTION "write_event_initiative_revoked_trigger"() IS 'Implementation of trigger "write_event_initiative_revoked" on table "issue"';
1415 COMMENT ON TRIGGER "write_event_initiative_revoked" ON "initiative" IS 'Create entry in "event" table, when an initiative is revoked';
1418 CREATE FUNCTION "write_event_suggestion_created_trigger"()
1419 RETURNS TRIGGER
1420 LANGUAGE 'plpgsql' VOLATILE AS $$
1421 DECLARE
1422 "initiative_row" "initiative"%ROWTYPE;
1423 "issue_row" "issue"%ROWTYPE;
1424 BEGIN
1425 SELECT * INTO "initiative_row" FROM "initiative"
1426 WHERE "id" = NEW."initiative_id";
1427 SELECT * INTO "issue_row" FROM "issue"
1428 WHERE "id" = "initiative_row"."issue_id";
1429 INSERT INTO "event" (
1430 "event", "member_id",
1431 "issue_id", "state", "initiative_id", "suggestion_id"
1432 ) VALUES (
1433 'suggestion_created',
1434 NEW."author_id",
1435 "initiative_row"."issue_id",
1436 "issue_row"."state",
1437 "initiative_row"."id",
1438 NEW."id" );
1439 RETURN NULL;
1440 END;
1441 $$;
1443 CREATE TRIGGER "write_event_suggestion_created"
1444 AFTER INSERT ON "suggestion" FOR EACH ROW EXECUTE PROCEDURE
1445 "write_event_suggestion_created_trigger"();
1447 COMMENT ON FUNCTION "write_event_suggestion_created_trigger"() IS 'Implementation of trigger "write_event_suggestion_created" on table "issue"';
1448 COMMENT ON TRIGGER "write_event_suggestion_created" ON "suggestion" IS 'Create entry in "event" table on suggestion creation';
1452 ----------------------------
1453 -- Additional constraints --
1454 ----------------------------
1457 CREATE FUNCTION "issue_requires_first_initiative_trigger"()
1458 RETURNS TRIGGER
1459 LANGUAGE 'plpgsql' VOLATILE AS $$
1460 BEGIN
1461 IF NOT EXISTS (
1462 SELECT NULL FROM "initiative" WHERE "issue_id" = NEW."id"
1463 ) THEN
1464 RAISE EXCEPTION 'Cannot create issue without an initial initiative.' USING
1465 ERRCODE = 'integrity_constraint_violation',
1466 HINT = 'Create issue, initiative, and draft within the same transaction.';
1467 END IF;
1468 RETURN NULL;
1469 END;
1470 $$;
1472 CREATE CONSTRAINT TRIGGER "issue_requires_first_initiative"
1473 AFTER INSERT OR UPDATE ON "issue" DEFERRABLE INITIALLY DEFERRED
1474 FOR EACH ROW EXECUTE PROCEDURE
1475 "issue_requires_first_initiative_trigger"();
1477 COMMENT ON FUNCTION "issue_requires_first_initiative_trigger"() IS 'Implementation of trigger "issue_requires_first_initiative" on table "issue"';
1478 COMMENT ON TRIGGER "issue_requires_first_initiative" ON "issue" IS 'Ensure that new issues have at least one initiative';
1481 CREATE FUNCTION "last_initiative_deletes_issue_trigger"()
1482 RETURNS TRIGGER
1483 LANGUAGE 'plpgsql' VOLATILE AS $$
1484 DECLARE
1485 "reference_lost" BOOLEAN;
1486 BEGIN
1487 IF TG_OP = 'DELETE' THEN
1488 "reference_lost" := TRUE;
1489 ELSE
1490 "reference_lost" := NEW."issue_id" != OLD."issue_id";
1491 END IF;
1492 IF
1493 "reference_lost" AND NOT EXISTS (
1494 SELECT NULL FROM "initiative" WHERE "issue_id" = OLD."issue_id"
1495 )
1496 THEN
1497 DELETE FROM "issue" WHERE "id" = OLD."issue_id";
1498 END IF;
1499 RETURN NULL;
1500 END;
1501 $$;
1503 CREATE CONSTRAINT TRIGGER "last_initiative_deletes_issue"
1504 AFTER UPDATE OR DELETE ON "initiative" DEFERRABLE INITIALLY DEFERRED
1505 FOR EACH ROW EXECUTE PROCEDURE
1506 "last_initiative_deletes_issue_trigger"();
1508 COMMENT ON FUNCTION "last_initiative_deletes_issue_trigger"() IS 'Implementation of trigger "last_initiative_deletes_issue" on table "initiative"';
1509 COMMENT ON TRIGGER "last_initiative_deletes_issue" ON "initiative" IS 'Removing the last initiative of an issue deletes the issue';
1512 CREATE FUNCTION "initiative_requires_first_draft_trigger"()
1513 RETURNS TRIGGER
1514 LANGUAGE 'plpgsql' VOLATILE AS $$
1515 BEGIN
1516 IF NOT EXISTS (
1517 SELECT NULL FROM "draft" WHERE "initiative_id" = NEW."id"
1518 ) THEN
1519 RAISE EXCEPTION 'Cannot create initiative without an initial draft.' USING
1520 ERRCODE = 'integrity_constraint_violation',
1521 HINT = 'Create issue, initiative and draft within the same transaction.';
1522 END IF;
1523 RETURN NULL;
1524 END;
1525 $$;
1527 CREATE CONSTRAINT TRIGGER "initiative_requires_first_draft"
1528 AFTER INSERT OR UPDATE ON "initiative" DEFERRABLE INITIALLY DEFERRED
1529 FOR EACH ROW EXECUTE PROCEDURE
1530 "initiative_requires_first_draft_trigger"();
1532 COMMENT ON FUNCTION "initiative_requires_first_draft_trigger"() IS 'Implementation of trigger "initiative_requires_first_draft" on table "initiative"';
1533 COMMENT ON TRIGGER "initiative_requires_first_draft" ON "initiative" IS 'Ensure that new initiatives have at least one draft';
1536 CREATE FUNCTION "last_draft_deletes_initiative_trigger"()
1537 RETURNS TRIGGER
1538 LANGUAGE 'plpgsql' VOLATILE AS $$
1539 DECLARE
1540 "reference_lost" BOOLEAN;
1541 BEGIN
1542 IF TG_OP = 'DELETE' THEN
1543 "reference_lost" := TRUE;
1544 ELSE
1545 "reference_lost" := NEW."initiative_id" != OLD."initiative_id";
1546 END IF;
1547 IF
1548 "reference_lost" AND NOT EXISTS (
1549 SELECT NULL FROM "draft" WHERE "initiative_id" = OLD."initiative_id"
1550 )
1551 THEN
1552 DELETE FROM "initiative" WHERE "id" = OLD."initiative_id";
1553 END IF;
1554 RETURN NULL;
1555 END;
1556 $$;
1558 CREATE CONSTRAINT TRIGGER "last_draft_deletes_initiative"
1559 AFTER UPDATE OR DELETE ON "draft" DEFERRABLE INITIALLY DEFERRED
1560 FOR EACH ROW EXECUTE PROCEDURE
1561 "last_draft_deletes_initiative_trigger"();
1563 COMMENT ON FUNCTION "last_draft_deletes_initiative_trigger"() IS 'Implementation of trigger "last_draft_deletes_initiative" on table "draft"';
1564 COMMENT ON TRIGGER "last_draft_deletes_initiative" ON "draft" IS 'Removing the last draft of an initiative deletes the initiative';
1567 CREATE FUNCTION "suggestion_requires_first_opinion_trigger"()
1568 RETURNS TRIGGER
1569 LANGUAGE 'plpgsql' VOLATILE AS $$
1570 BEGIN
1571 IF NOT EXISTS (
1572 SELECT NULL FROM "opinion" WHERE "suggestion_id" = NEW."id"
1573 ) THEN
1574 RAISE EXCEPTION 'Cannot create a suggestion without an opinion.' USING
1575 ERRCODE = 'integrity_constraint_violation',
1576 HINT = 'Create suggestion and opinion within the same transaction.';
1577 END IF;
1578 RETURN NULL;
1579 END;
1580 $$;
1582 CREATE CONSTRAINT TRIGGER "suggestion_requires_first_opinion"
1583 AFTER INSERT OR UPDATE ON "suggestion" DEFERRABLE INITIALLY DEFERRED
1584 FOR EACH ROW EXECUTE PROCEDURE
1585 "suggestion_requires_first_opinion_trigger"();
1587 COMMENT ON FUNCTION "suggestion_requires_first_opinion_trigger"() IS 'Implementation of trigger "suggestion_requires_first_opinion" on table "suggestion"';
1588 COMMENT ON TRIGGER "suggestion_requires_first_opinion" ON "suggestion" IS 'Ensure that new suggestions have at least one opinion';
1591 CREATE FUNCTION "last_opinion_deletes_suggestion_trigger"()
1592 RETURNS TRIGGER
1593 LANGUAGE 'plpgsql' VOLATILE AS $$
1594 DECLARE
1595 "reference_lost" BOOLEAN;
1596 BEGIN
1597 IF TG_OP = 'DELETE' THEN
1598 "reference_lost" := TRUE;
1599 ELSE
1600 "reference_lost" := NEW."suggestion_id" != OLD."suggestion_id";
1601 END IF;
1602 IF
1603 "reference_lost" AND NOT EXISTS (
1604 SELECT NULL FROM "opinion" WHERE "suggestion_id" = OLD."suggestion_id"
1605 )
1606 THEN
1607 DELETE FROM "suggestion" WHERE "id" = OLD."suggestion_id";
1608 END IF;
1609 RETURN NULL;
1610 END;
1611 $$;
1613 CREATE CONSTRAINT TRIGGER "last_opinion_deletes_suggestion"
1614 AFTER UPDATE OR DELETE ON "opinion" DEFERRABLE INITIALLY DEFERRED
1615 FOR EACH ROW EXECUTE PROCEDURE
1616 "last_opinion_deletes_suggestion_trigger"();
1618 COMMENT ON FUNCTION "last_opinion_deletes_suggestion_trigger"() IS 'Implementation of trigger "last_opinion_deletes_suggestion" on table "opinion"';
1619 COMMENT ON TRIGGER "last_opinion_deletes_suggestion" ON "opinion" IS 'Removing the last opinion of a suggestion deletes the suggestion';
1622 CREATE FUNCTION "non_voter_deletes_direct_voter_trigger"()
1623 RETURNS TRIGGER
1624 LANGUAGE 'plpgsql' VOLATILE AS $$
1625 BEGIN
1626 DELETE FROM "direct_voter"
1627 WHERE "issue_id" = NEW."issue_id" AND "member_id" = NEW."member_id";
1628 RETURN NULL;
1629 END;
1630 $$;
1632 CREATE TRIGGER "non_voter_deletes_direct_voter"
1633 AFTER INSERT OR UPDATE ON "non_voter"
1634 FOR EACH ROW EXECUTE PROCEDURE
1635 "non_voter_deletes_direct_voter_trigger"();
1637 COMMENT ON FUNCTION "non_voter_deletes_direct_voter_trigger"() IS 'Implementation of trigger "non_voter_deletes_direct_voter" on table "non_voter"';
1638 COMMENT ON TRIGGER "non_voter_deletes_direct_voter" ON "non_voter" IS 'An entry in the "non_voter" table deletes an entry in the "direct_voter" table (and vice versa due to trigger "direct_voter_deletes_non_voter" on table "direct_voter")';
1641 CREATE FUNCTION "direct_voter_deletes_non_voter_trigger"()
1642 RETURNS TRIGGER
1643 LANGUAGE 'plpgsql' VOLATILE AS $$
1644 BEGIN
1645 DELETE FROM "non_voter"
1646 WHERE "issue_id" = NEW."issue_id" AND "member_id" = NEW."member_id";
1647 RETURN NULL;
1648 END;
1649 $$;
1651 CREATE TRIGGER "direct_voter_deletes_non_voter"
1652 AFTER INSERT OR UPDATE ON "direct_voter"
1653 FOR EACH ROW EXECUTE PROCEDURE
1654 "direct_voter_deletes_non_voter_trigger"();
1656 COMMENT ON FUNCTION "direct_voter_deletes_non_voter_trigger"() IS 'Implementation of trigger "direct_voter_deletes_non_voter" on table "direct_voter"';
1657 COMMENT ON TRIGGER "direct_voter_deletes_non_voter" ON "direct_voter" IS 'An entry in the "direct_voter" table deletes an entry in the "non_voter" table (and vice versa due to trigger "non_voter_deletes_direct_voter" on table "non_voter")';
1660 CREATE FUNCTION "voter_comment_fields_only_set_when_voter_comment_is_set_trigger"()
1661 RETURNS TRIGGER
1662 LANGUAGE 'plpgsql' VOLATILE AS $$
1663 BEGIN
1664 IF NEW."comment" ISNULL THEN
1665 NEW."comment_changed" := NULL;
1666 NEW."formatting_engine" := NULL;
1667 END IF;
1668 RETURN NEW;
1669 END;
1670 $$;
1672 CREATE TRIGGER "voter_comment_fields_only_set_when_voter_comment_is_set"
1673 BEFORE INSERT OR UPDATE ON "direct_voter"
1674 FOR EACH ROW EXECUTE PROCEDURE
1675 "voter_comment_fields_only_set_when_voter_comment_is_set_trigger"();
1677 COMMENT ON FUNCTION "voter_comment_fields_only_set_when_voter_comment_is_set_trigger"() IS 'Implementation of trigger "voter_comment_fields_only_set_when_voter_comment_is_set" ON table "direct_voter"';
1678 COMMENT ON TRIGGER "voter_comment_fields_only_set_when_voter_comment_is_set" ON "direct_voter" IS 'If "comment" is set to NULL, then other comment related fields are also set to NULL.';
1681 ---------------------------------------------------------------
1682 -- Ensure that votes are not modified when issues are closed --
1683 ---------------------------------------------------------------
1685 -- NOTE: Frontends should ensure this anyway, but in case of programming
1686 -- errors the following triggers ensure data integrity.
1689 CREATE FUNCTION "forbid_changes_on_closed_issue_trigger"()
1690 RETURNS TRIGGER
1691 LANGUAGE 'plpgsql' VOLATILE AS $$
1692 DECLARE
1693 "issue_id_v" "issue"."id"%TYPE;
1694 "issue_row" "issue"%ROWTYPE;
1695 BEGIN
1696 IF EXISTS (
1697 SELECT NULL FROM "temporary_transaction_data"
1698 WHERE "txid" = txid_current()
1699 AND "key" = 'override_protection_triggers'
1700 AND "value" = TRUE::TEXT
1701 ) THEN
1702 RETURN NULL;
1703 END IF;
1704 IF TG_OP = 'DELETE' THEN
1705 "issue_id_v" := OLD."issue_id";
1706 ELSE
1707 "issue_id_v" := NEW."issue_id";
1708 END IF;
1709 SELECT INTO "issue_row" * FROM "issue"
1710 WHERE "id" = "issue_id_v" FOR SHARE;
1711 IF (
1712 "issue_row"."closed" NOTNULL OR (
1713 "issue_row"."state" = 'voting' AND
1714 "issue_row"."phase_finished" NOTNULL
1715 )
1716 ) THEN
1717 IF
1718 TG_RELID = 'direct_voter'::regclass AND
1719 TG_OP = 'UPDATE'
1720 THEN
1721 IF
1722 OLD."issue_id" = NEW."issue_id" AND
1723 OLD."member_id" = NEW."member_id" AND
1724 OLD."weight" = NEW."weight"
1725 THEN
1726 RETURN NULL; -- allows changing of voter comment
1727 END IF;
1728 END IF;
1729 RAISE EXCEPTION 'Tried to modify data after voting has been closed.' USING
1730 ERRCODE = 'integrity_constraint_violation';
1731 END IF;
1732 RETURN NULL;
1733 END;
1734 $$;
1736 CREATE TRIGGER "forbid_changes_on_closed_issue"
1737 AFTER INSERT OR UPDATE OR DELETE ON "direct_voter"
1738 FOR EACH ROW EXECUTE PROCEDURE
1739 "forbid_changes_on_closed_issue_trigger"();
1741 CREATE TRIGGER "forbid_changes_on_closed_issue"
1742 AFTER INSERT OR UPDATE OR DELETE ON "delegating_voter"
1743 FOR EACH ROW EXECUTE PROCEDURE
1744 "forbid_changes_on_closed_issue_trigger"();
1746 CREATE TRIGGER "forbid_changes_on_closed_issue"
1747 AFTER INSERT OR UPDATE OR DELETE ON "vote"
1748 FOR EACH ROW EXECUTE PROCEDURE
1749 "forbid_changes_on_closed_issue_trigger"();
1751 COMMENT ON FUNCTION "forbid_changes_on_closed_issue_trigger"() IS 'Implementation of triggers "forbid_changes_on_closed_issue" on tables "direct_voter", "delegating_voter" and "vote"';
1752 COMMENT ON TRIGGER "forbid_changes_on_closed_issue" ON "direct_voter" IS 'Ensures that frontends can''t tamper with votings of closed issues, in case of programming errors';
1753 COMMENT ON TRIGGER "forbid_changes_on_closed_issue" ON "delegating_voter" IS 'Ensures that frontends can''t tamper with votings of closed issues, in case of programming errors';
1754 COMMENT ON TRIGGER "forbid_changes_on_closed_issue" ON "vote" IS 'Ensures that frontends can''t tamper with votings of closed issues, in case of programming errors';
1758 --------------------------------------------------------------------
1759 -- Auto-retrieval of fields only needed for referential integrity --
1760 --------------------------------------------------------------------
1763 CREATE FUNCTION "autofill_issue_id_trigger"()
1764 RETURNS TRIGGER
1765 LANGUAGE 'plpgsql' VOLATILE AS $$
1766 BEGIN
1767 IF NEW."issue_id" ISNULL THEN
1768 SELECT "issue_id" INTO NEW."issue_id"
1769 FROM "initiative" WHERE "id" = NEW."initiative_id";
1770 END IF;
1771 RETURN NEW;
1772 END;
1773 $$;
1775 CREATE TRIGGER "autofill_issue_id" BEFORE INSERT ON "supporter"
1776 FOR EACH ROW EXECUTE PROCEDURE "autofill_issue_id_trigger"();
1778 CREATE TRIGGER "autofill_issue_id" BEFORE INSERT ON "vote"
1779 FOR EACH ROW EXECUTE PROCEDURE "autofill_issue_id_trigger"();
1781 COMMENT ON FUNCTION "autofill_issue_id_trigger"() IS 'Implementation of triggers "autofill_issue_id" on tables "supporter" and "vote"';
1782 COMMENT ON TRIGGER "autofill_issue_id" ON "supporter" IS 'Set "issue_id" field automatically, if NULL';
1783 COMMENT ON TRIGGER "autofill_issue_id" ON "vote" IS 'Set "issue_id" field automatically, if NULL';
1786 CREATE FUNCTION "autofill_initiative_id_trigger"()
1787 RETURNS TRIGGER
1788 LANGUAGE 'plpgsql' VOLATILE AS $$
1789 BEGIN
1790 IF NEW."initiative_id" ISNULL THEN
1791 SELECT "initiative_id" INTO NEW."initiative_id"
1792 FROM "suggestion" WHERE "id" = NEW."suggestion_id";
1793 END IF;
1794 RETURN NEW;
1795 END;
1796 $$;
1798 CREATE TRIGGER "autofill_initiative_id" BEFORE INSERT ON "opinion"
1799 FOR EACH ROW EXECUTE PROCEDURE "autofill_initiative_id_trigger"();
1801 COMMENT ON FUNCTION "autofill_initiative_id_trigger"() IS 'Implementation of trigger "autofill_initiative_id" on table "opinion"';
1802 COMMENT ON TRIGGER "autofill_initiative_id" ON "opinion" IS 'Set "initiative_id" field automatically, if NULL';
1806 -----------------------------------------------------
1807 -- Automatic calculation of certain default values --
1808 -----------------------------------------------------
1811 CREATE FUNCTION "copy_timings_trigger"()
1812 RETURNS TRIGGER
1813 LANGUAGE 'plpgsql' VOLATILE AS $$
1814 DECLARE
1815 "policy_row" "policy"%ROWTYPE;
1816 BEGIN
1817 SELECT * INTO "policy_row" FROM "policy"
1818 WHERE "id" = NEW."policy_id";
1819 IF NEW."min_admission_time" ISNULL THEN
1820 NEW."min_admission_time" := "policy_row"."min_admission_time";
1821 END IF;
1822 IF NEW."max_admission_time" ISNULL THEN
1823 NEW."max_admission_time" := "policy_row"."max_admission_time";
1824 END IF;
1825 IF NEW."discussion_time" ISNULL THEN
1826 NEW."discussion_time" := "policy_row"."discussion_time";
1827 END IF;
1828 IF NEW."verification_time" ISNULL THEN
1829 NEW."verification_time" := "policy_row"."verification_time";
1830 END IF;
1831 IF NEW."voting_time" ISNULL THEN
1832 NEW."voting_time" := "policy_row"."voting_time";
1833 END IF;
1834 RETURN NEW;
1835 END;
1836 $$;
1838 CREATE TRIGGER "copy_timings" BEFORE INSERT OR UPDATE ON "issue"
1839 FOR EACH ROW EXECUTE PROCEDURE "copy_timings_trigger"();
1841 COMMENT ON FUNCTION "copy_timings_trigger"() IS 'Implementation of trigger "copy_timings" on table "issue"';
1842 COMMENT ON TRIGGER "copy_timings" ON "issue" IS 'If timing fields are NULL, copy values from policy.';
1845 CREATE FUNCTION "default_for_draft_id_trigger"()
1846 RETURNS TRIGGER
1847 LANGUAGE 'plpgsql' VOLATILE AS $$
1848 BEGIN
1849 IF NEW."draft_id" ISNULL THEN
1850 SELECT "id" INTO NEW."draft_id" FROM "current_draft"
1851 WHERE "initiative_id" = NEW."initiative_id";
1852 END IF;
1853 RETURN NEW;
1854 END;
1855 $$;
1857 CREATE TRIGGER "default_for_draft_id" BEFORE INSERT OR UPDATE ON "suggestion"
1858 FOR EACH ROW EXECUTE PROCEDURE "default_for_draft_id_trigger"();
1859 CREATE TRIGGER "default_for_draft_id" BEFORE INSERT OR UPDATE ON "supporter"
1860 FOR EACH ROW EXECUTE PROCEDURE "default_for_draft_id_trigger"();
1862 COMMENT ON FUNCTION "default_for_draft_id_trigger"() IS 'Implementation of trigger "default_for_draft" on tables "supporter" and "suggestion"';
1863 COMMENT ON TRIGGER "default_for_draft_id" ON "suggestion" IS 'If "draft_id" is NULL, then use the current draft of the initiative as default';
1864 COMMENT ON TRIGGER "default_for_draft_id" ON "supporter" IS 'If "draft_id" is NULL, then use the current draft of the initiative as default';
1868 ----------------------------------------
1869 -- Automatic creation of dependencies --
1870 ----------------------------------------
1873 CREATE FUNCTION "autocreate_interest_trigger"()
1874 RETURNS TRIGGER
1875 LANGUAGE 'plpgsql' VOLATILE AS $$
1876 BEGIN
1877 IF NOT EXISTS (
1878 SELECT NULL FROM "initiative" JOIN "interest"
1879 ON "initiative"."issue_id" = "interest"."issue_id"
1880 WHERE "initiative"."id" = NEW."initiative_id"
1881 AND "interest"."member_id" = NEW."member_id"
1882 ) THEN
1883 BEGIN
1884 INSERT INTO "interest" ("issue_id", "member_id")
1885 SELECT "issue_id", NEW."member_id"
1886 FROM "initiative" WHERE "id" = NEW."initiative_id";
1887 EXCEPTION WHEN unique_violation THEN END;
1888 END IF;
1889 RETURN NEW;
1890 END;
1891 $$;
1893 CREATE TRIGGER "autocreate_interest" BEFORE INSERT ON "supporter"
1894 FOR EACH ROW EXECUTE PROCEDURE "autocreate_interest_trigger"();
1896 COMMENT ON FUNCTION "autocreate_interest_trigger"() IS 'Implementation of trigger "autocreate_interest" on table "supporter"';
1897 COMMENT ON TRIGGER "autocreate_interest" ON "supporter" IS 'Supporting an initiative implies interest in the issue, thus automatically creates an entry in the "interest" table';
1900 CREATE FUNCTION "autocreate_supporter_trigger"()
1901 RETURNS TRIGGER
1902 LANGUAGE 'plpgsql' VOLATILE AS $$
1903 BEGIN
1904 IF NOT EXISTS (
1905 SELECT NULL FROM "suggestion" JOIN "supporter"
1906 ON "suggestion"."initiative_id" = "supporter"."initiative_id"
1907 WHERE "suggestion"."id" = NEW."suggestion_id"
1908 AND "supporter"."member_id" = NEW."member_id"
1909 ) THEN
1910 BEGIN
1911 INSERT INTO "supporter" ("initiative_id", "member_id")
1912 SELECT "initiative_id", NEW."member_id"
1913 FROM "suggestion" WHERE "id" = NEW."suggestion_id";
1914 EXCEPTION WHEN unique_violation THEN END;
1915 END IF;
1916 RETURN NEW;
1917 END;
1918 $$;
1920 CREATE TRIGGER "autocreate_supporter" BEFORE INSERT ON "opinion"
1921 FOR EACH ROW EXECUTE PROCEDURE "autocreate_supporter_trigger"();
1923 COMMENT ON FUNCTION "autocreate_supporter_trigger"() IS 'Implementation of trigger "autocreate_supporter" on table "opinion"';
1924 COMMENT ON TRIGGER "autocreate_supporter" ON "opinion" IS 'Opinions can only be added for supported initiatives. This trigger automatrically creates an entry in the "supporter" table, if not existent yet.';
1928 ------------------------------------------
1929 -- Views and helper functions for views --
1930 ------------------------------------------
1933 CREATE VIEW "unit_delegation" AS
1934 SELECT
1935 "unit"."id" AS "unit_id",
1936 "delegation"."id",
1937 "delegation"."truster_id",
1938 "delegation"."trustee_id",
1939 "delegation"."scope"
1940 FROM "unit"
1941 JOIN "delegation"
1942 ON "delegation"."unit_id" = "unit"."id"
1943 JOIN "member"
1944 ON "delegation"."truster_id" = "member"."id"
1945 JOIN "privilege"
1946 ON "delegation"."unit_id" = "privilege"."unit_id"
1947 AND "delegation"."truster_id" = "privilege"."member_id"
1948 WHERE "member"."active" AND "privilege"."voting_right";
1950 COMMENT ON VIEW "unit_delegation" IS 'Unit delegations where trusters are active and have voting right';
1953 CREATE VIEW "area_delegation" AS
1954 SELECT DISTINCT ON ("area"."id", "delegation"."truster_id")
1955 "area"."id" AS "area_id",
1956 "delegation"."id",
1957 "delegation"."truster_id",
1958 "delegation"."trustee_id",
1959 "delegation"."scope"
1960 FROM "area"
1961 JOIN "delegation"
1962 ON "delegation"."unit_id" = "area"."unit_id"
1963 OR "delegation"."area_id" = "area"."id"
1964 JOIN "member"
1965 ON "delegation"."truster_id" = "member"."id"
1966 JOIN "privilege"
1967 ON "area"."unit_id" = "privilege"."unit_id"
1968 AND "delegation"."truster_id" = "privilege"."member_id"
1969 WHERE "member"."active" AND "privilege"."voting_right"
1970 ORDER BY
1971 "area"."id",
1972 "delegation"."truster_id",
1973 "delegation"."scope" DESC;
1975 COMMENT ON VIEW "area_delegation" IS 'Area delegations where trusters are active and have voting right';
1978 CREATE VIEW "issue_delegation" AS
1979 SELECT DISTINCT ON ("issue"."id", "delegation"."truster_id")
1980 "issue"."id" AS "issue_id",
1981 "delegation"."id",
1982 "delegation"."truster_id",
1983 "delegation"."trustee_id",
1984 "delegation"."scope"
1985 FROM "issue"
1986 JOIN "area"
1987 ON "area"."id" = "issue"."area_id"
1988 JOIN "delegation"
1989 ON "delegation"."unit_id" = "area"."unit_id"
1990 OR "delegation"."area_id" = "area"."id"
1991 OR "delegation"."issue_id" = "issue"."id"
1992 JOIN "member"
1993 ON "delegation"."truster_id" = "member"."id"
1994 JOIN "privilege"
1995 ON "area"."unit_id" = "privilege"."unit_id"
1996 AND "delegation"."truster_id" = "privilege"."member_id"
1997 WHERE "member"."active" AND "privilege"."voting_right"
1998 ORDER BY
1999 "issue"."id",
2000 "delegation"."truster_id",
2001 "delegation"."scope" DESC;
2003 COMMENT ON VIEW "issue_delegation" IS 'Issue delegations where trusters are active and have voting right';
2006 CREATE FUNCTION "membership_weight_with_skipping"
2007 ( "area_id_p" "area"."id"%TYPE,
2008 "member_id_p" "member"."id"%TYPE,
2009 "skip_member_ids_p" INT4[] ) -- "member"."id"%TYPE[]
2010 RETURNS INT4
2011 LANGUAGE 'plpgsql' STABLE AS $$
2012 DECLARE
2013 "sum_v" INT4;
2014 "delegation_row" "area_delegation"%ROWTYPE;
2015 BEGIN
2016 "sum_v" := 1;
2017 FOR "delegation_row" IN
2018 SELECT "area_delegation".*
2019 FROM "area_delegation" LEFT JOIN "membership"
2020 ON "membership"."area_id" = "area_id_p"
2021 AND "membership"."member_id" = "area_delegation"."truster_id"
2022 WHERE "area_delegation"."area_id" = "area_id_p"
2023 AND "area_delegation"."trustee_id" = "member_id_p"
2024 AND "membership"."member_id" ISNULL
2025 LOOP
2026 IF NOT
2027 "skip_member_ids_p" @> ARRAY["delegation_row"."truster_id"]
2028 THEN
2029 "sum_v" := "sum_v" + "membership_weight_with_skipping"(
2030 "area_id_p",
2031 "delegation_row"."truster_id",
2032 "skip_member_ids_p" || "delegation_row"."truster_id"
2033 );
2034 END IF;
2035 END LOOP;
2036 RETURN "sum_v";
2037 END;
2038 $$;
2040 COMMENT ON FUNCTION "membership_weight_with_skipping"
2041 ( "area"."id"%TYPE,
2042 "member"."id"%TYPE,
2043 INT4[] )
2044 IS 'Helper function for "membership_weight" function';
2047 CREATE FUNCTION "membership_weight"
2048 ( "area_id_p" "area"."id"%TYPE,
2049 "member_id_p" "member"."id"%TYPE ) -- "member"."id"%TYPE[]
2050 RETURNS INT4
2051 LANGUAGE 'plpgsql' STABLE AS $$
2052 BEGIN
2053 RETURN "membership_weight_with_skipping"(
2054 "area_id_p",
2055 "member_id_p",
2056 ARRAY["member_id_p"]
2057 );
2058 END;
2059 $$;
2061 COMMENT ON FUNCTION "membership_weight"
2062 ( "area"."id"%TYPE,
2063 "member"."id"%TYPE )
2064 IS 'Calculates the potential voting weight of a member in a given area';
2067 CREATE VIEW "member_count_view" AS
2068 SELECT count(1) AS "total_count" FROM "member" WHERE "active";
2070 COMMENT ON VIEW "member_count_view" IS 'View used to update "member_count" table';
2073 CREATE VIEW "unit_member_count" AS
2074 SELECT
2075 "unit"."id" AS "unit_id",
2076 count("member"."id") AS "member_count"
2077 FROM "unit"
2078 LEFT JOIN "privilege"
2079 ON "privilege"."unit_id" = "unit"."id"
2080 AND "privilege"."voting_right"
2081 LEFT JOIN "member"
2082 ON "member"."id" = "privilege"."member_id"
2083 AND "member"."active"
2084 GROUP BY "unit"."id";
2086 COMMENT ON VIEW "unit_member_count" IS 'View used to update "member_count" column of "unit" table';
2089 CREATE VIEW "area_member_count" AS
2090 SELECT
2091 "area"."id" AS "area_id",
2092 count("member"."id") AS "direct_member_count",
2093 coalesce(
2094 sum(
2095 CASE WHEN "member"."id" NOTNULL THEN
2096 "membership_weight"("area"."id", "member"."id")
2097 ELSE 0 END
2098 )
2099 ) AS "member_weight"
2100 FROM "area"
2101 LEFT JOIN "membership"
2102 ON "area"."id" = "membership"."area_id"
2103 LEFT JOIN "privilege"
2104 ON "privilege"."unit_id" = "area"."unit_id"
2105 AND "privilege"."member_id" = "membership"."member_id"
2106 AND "privilege"."voting_right"
2107 LEFT JOIN "member"
2108 ON "member"."id" = "privilege"."member_id" -- NOTE: no membership here!
2109 AND "member"."active"
2110 GROUP BY "area"."id";
2112 COMMENT ON VIEW "area_member_count" IS 'View used to update "direct_member_count" and "member_weight" columns of table "area"';
2115 CREATE VIEW "opening_draft" AS
2116 SELECT "draft".* FROM (
2117 SELECT
2118 "initiative"."id" AS "initiative_id",
2119 min("draft"."id") AS "draft_id"
2120 FROM "initiative" JOIN "draft"
2121 ON "initiative"."id" = "draft"."initiative_id"
2122 GROUP BY "initiative"."id"
2123 ) AS "subquery"
2124 JOIN "draft" ON "subquery"."draft_id" = "draft"."id";
2126 COMMENT ON VIEW "opening_draft" IS 'First drafts of all initiatives';
2129 CREATE VIEW "current_draft" AS
2130 SELECT "draft".* FROM (
2131 SELECT
2132 "initiative"."id" AS "initiative_id",
2133 max("draft"."id") AS "draft_id"
2134 FROM "initiative" JOIN "draft"
2135 ON "initiative"."id" = "draft"."initiative_id"
2136 GROUP BY "initiative"."id"
2137 ) AS "subquery"
2138 JOIN "draft" ON "subquery"."draft_id" = "draft"."id";
2140 COMMENT ON VIEW "current_draft" IS 'All latest drafts for each initiative';
2143 CREATE VIEW "critical_opinion" AS
2144 SELECT * FROM "opinion"
2145 WHERE ("degree" = 2 AND "fulfilled" = FALSE)
2146 OR ("degree" = -2 AND "fulfilled" = TRUE);
2148 COMMENT ON VIEW "critical_opinion" IS 'Opinions currently causing dissatisfaction';
2151 CREATE VIEW "issue_supporter_in_admission_state" AS
2152 SELECT DISTINCT -- TODO: DISTINCT needed?
2153 "area"."unit_id",
2154 "issue"."area_id",
2155 "issue"."id" AS "issue_id",
2156 "supporter"."member_id",
2157 "direct_interest_snapshot"."weight"
2158 FROM "issue"
2159 JOIN "area" ON "area"."id" = "issue"."area_id"
2160 JOIN "supporter" ON "supporter"."issue_id" = "issue"."id"
2161 JOIN "direct_interest_snapshot"
2162 ON "direct_interest_snapshot"."issue_id" = "issue"."id"
2163 AND "direct_interest_snapshot"."event" = "issue"."latest_snapshot_event"
2164 AND "direct_interest_snapshot"."member_id" = "supporter"."member_id"
2165 WHERE "issue"."state" = 'admission'::"issue_state";
2167 COMMENT ON VIEW "issue_supporter_in_admission_state" IS 'Helper view for "lf_update_issue_order" to allow a (proportional) ordering of issues within an area';
2170 CREATE VIEW "initiative_suggestion_order_calculation" AS
2171 SELECT
2172 "initiative"."id" AS "initiative_id",
2173 ("issue"."closed" NOTNULL OR "issue"."fully_frozen" NOTNULL) AS "final"
2174 FROM "initiative" JOIN "issue"
2175 ON "initiative"."issue_id" = "issue"."id"
2176 WHERE ("issue"."closed" ISNULL AND "issue"."fully_frozen" ISNULL)
2177 OR ("initiative"."final_suggestion_order_calculated" = FALSE);
2179 COMMENT ON VIEW "initiative_suggestion_order_calculation" IS 'Initiatives, where the "proportional_order" of its suggestions has to be calculated';
2181 COMMENT ON COLUMN "initiative_suggestion_order_calculation"."final" IS 'Set to TRUE, if the issue is fully frozen or closed, and the calculation has to be done only once for one last time';
2184 CREATE VIEW "individual_suggestion_ranking" AS
2185 SELECT
2186 "opinion"."initiative_id",
2187 "opinion"."member_id",
2188 "direct_interest_snapshot"."weight",
2189 CASE WHEN
2190 ("opinion"."degree" = 2 AND "opinion"."fulfilled" = FALSE) OR
2191 ("opinion"."degree" = -2 AND "opinion"."fulfilled" = TRUE)
2192 THEN 1 ELSE
2193 CASE WHEN
2194 ("opinion"."degree" = 1 AND "opinion"."fulfilled" = FALSE) OR
2195 ("opinion"."degree" = -1 AND "opinion"."fulfilled" = TRUE)
2196 THEN 2 ELSE
2197 CASE WHEN
2198 ("opinion"."degree" = 2 AND "opinion"."fulfilled" = TRUE) OR
2199 ("opinion"."degree" = -2 AND "opinion"."fulfilled" = FALSE)
2200 THEN 3 ELSE 4 END
2201 END
2202 END AS "preference",
2203 "opinion"."suggestion_id"
2204 FROM "opinion"
2205 JOIN "initiative" ON "initiative"."id" = "opinion"."initiative_id"
2206 JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
2207 JOIN "direct_interest_snapshot"
2208 ON "direct_interest_snapshot"."issue_id" = "issue"."id"
2209 AND "direct_interest_snapshot"."event" = "issue"."latest_snapshot_event"
2210 AND "direct_interest_snapshot"."member_id" = "opinion"."member_id";
2212 COMMENT ON VIEW "individual_suggestion_ranking" IS 'Helper view for "lf_update_suggestion_order" to allow a proportional ordering of suggestions within an initiative';
2215 CREATE VIEW "battle_participant" AS
2216 SELECT "initiative"."id", "initiative"."issue_id"
2217 FROM "issue" JOIN "initiative"
2218 ON "issue"."id" = "initiative"."issue_id"
2219 WHERE "initiative"."admitted"
2220 UNION ALL
2221 SELECT NULL, "id" AS "issue_id"
2222 FROM "issue";
2224 COMMENT ON VIEW "battle_participant" IS 'Helper view for "battle_view" containing admitted initiatives plus virtual "status-quo" initiative denoted by NULL reference';
2227 CREATE VIEW "battle_view" AS
2228 SELECT
2229 "issue"."id" AS "issue_id",
2230 "winning_initiative"."id" AS "winning_initiative_id",
2231 "losing_initiative"."id" AS "losing_initiative_id",
2232 sum(
2233 CASE WHEN
2234 coalesce("better_vote"."grade", 0) >
2235 coalesce("worse_vote"."grade", 0)
2236 THEN "direct_voter"."weight" ELSE 0 END
2237 ) AS "count"
2238 FROM "issue"
2239 LEFT JOIN "direct_voter"
2240 ON "issue"."id" = "direct_voter"."issue_id"
2241 JOIN "battle_participant" AS "winning_initiative"
2242 ON "issue"."id" = "winning_initiative"."issue_id"
2243 JOIN "battle_participant" AS "losing_initiative"
2244 ON "issue"."id" = "losing_initiative"."issue_id"
2245 LEFT JOIN "vote" AS "better_vote"
2246 ON "direct_voter"."member_id" = "better_vote"."member_id"
2247 AND "winning_initiative"."id" = "better_vote"."initiative_id"
2248 LEFT JOIN "vote" AS "worse_vote"
2249 ON "direct_voter"."member_id" = "worse_vote"."member_id"
2250 AND "losing_initiative"."id" = "worse_vote"."initiative_id"
2251 WHERE "issue"."state" = 'voting'
2252 AND "issue"."phase_finished" NOTNULL
2253 AND (
2254 "winning_initiative"."id" != "losing_initiative"."id" OR
2255 ( ("winning_initiative"."id" NOTNULL AND "losing_initiative"."id" ISNULL) OR
2256 ("winning_initiative"."id" ISNULL AND "losing_initiative"."id" NOTNULL) ) )
2257 GROUP BY
2258 "issue"."id",
2259 "winning_initiative"."id",
2260 "losing_initiative"."id";
2262 COMMENT ON VIEW "battle_view" IS 'Number of members preferring one initiative (or status-quo) to another initiative (or status-quo); Used to fill "battle" table';
2265 CREATE VIEW "expired_session" AS
2266 SELECT * FROM "session" WHERE now() > "expiry";
2268 CREATE RULE "delete" AS ON DELETE TO "expired_session" DO INSTEAD
2269 DELETE FROM "session" WHERE "ident" = OLD."ident";
2271 COMMENT ON VIEW "expired_session" IS 'View containing all expired sessions where DELETE is possible';
2272 COMMENT ON RULE "delete" ON "expired_session" IS 'Rule allowing DELETE on rows in "expired_session" view, i.e. DELETE FROM "expired_session"';
2275 CREATE VIEW "open_issue" AS
2276 SELECT * FROM "issue" WHERE "closed" ISNULL;
2278 COMMENT ON VIEW "open_issue" IS 'All open issues';
2281 CREATE VIEW "member_contingent" AS
2282 SELECT
2283 "member"."id" AS "member_id",
2284 "contingent"."polling",
2285 "contingent"."time_frame",
2286 CASE WHEN "contingent"."text_entry_limit" NOTNULL THEN
2287 (
2288 SELECT count(1) FROM "draft"
2289 JOIN "initiative" ON "initiative"."id" = "draft"."initiative_id"
2290 WHERE "draft"."author_id" = "member"."id"
2291 AND "initiative"."polling" = "contingent"."polling"
2292 AND "draft"."created" > now() - "contingent"."time_frame"
2293 ) + (
2294 SELECT count(1) FROM "suggestion"
2295 JOIN "initiative" ON "initiative"."id" = "suggestion"."initiative_id"
2296 WHERE "suggestion"."author_id" = "member"."id"
2297 AND "contingent"."polling" = FALSE
2298 AND "suggestion"."created" > now() - "contingent"."time_frame"
2299 )
2300 ELSE NULL END AS "text_entry_count",
2301 "contingent"."text_entry_limit",
2302 CASE WHEN "contingent"."initiative_limit" NOTNULL THEN (
2303 SELECT count(1) FROM "opening_draft" AS "draft"
2304 JOIN "initiative" ON "initiative"."id" = "draft"."initiative_id"
2305 WHERE "draft"."author_id" = "member"."id"
2306 AND "initiative"."polling" = "contingent"."polling"
2307 AND "draft"."created" > now() - "contingent"."time_frame"
2308 ) ELSE NULL END AS "initiative_count",
2309 "contingent"."initiative_limit"
2310 FROM "member" CROSS JOIN "contingent";
2312 COMMENT ON VIEW "member_contingent" IS 'Actual counts of text entries and initiatives are calculated per member for each limit in the "contingent" table.';
2314 COMMENT ON COLUMN "member_contingent"."text_entry_count" IS 'Only calculated when "text_entry_limit" is not null in the same row';
2315 COMMENT ON COLUMN "member_contingent"."initiative_count" IS 'Only calculated when "initiative_limit" is not null in the same row';
2318 CREATE VIEW "member_contingent_left" AS
2319 SELECT
2320 "member_id",
2321 "polling",
2322 max("text_entry_limit" - "text_entry_count") AS "text_entries_left",
2323 max("initiative_limit" - "initiative_count") AS "initiatives_left"
2324 FROM "member_contingent" GROUP BY "member_id", "polling";
2326 COMMENT ON VIEW "member_contingent_left" IS 'Amount of text entries or initiatives which can be posted now instantly by a member. This view should be used by a frontend to determine, if the contingent for posting is exhausted.';
2329 CREATE VIEW "event_seen_by_member" AS
2330 SELECT
2331 "member"."id" AS "seen_by_member_id",
2332 CASE WHEN "event"."state" IN (
2333 'voting',
2334 'finished_without_winner',
2335 'finished_with_winner'
2336 ) THEN
2337 'voting'::"notify_level"
2338 ELSE
2339 CASE WHEN "event"."state" IN (
2340 'verification',
2341 'canceled_after_revocation_during_verification',
2342 'canceled_no_initiative_admitted'
2343 ) THEN
2344 'verification'::"notify_level"
2345 ELSE
2346 CASE WHEN "event"."state" IN (
2347 'discussion',
2348 'canceled_after_revocation_during_discussion'
2349 ) THEN
2350 'discussion'::"notify_level"
2351 ELSE
2352 'all'::"notify_level"
2353 END
2354 END
2355 END AS "notify_level",
2356 "event".*
2357 FROM "member" CROSS JOIN "event"
2358 LEFT JOIN "issue"
2359 ON "event"."issue_id" = "issue"."id"
2360 LEFT JOIN "membership"
2361 ON "member"."id" = "membership"."member_id"
2362 AND "issue"."area_id" = "membership"."area_id"
2363 LEFT JOIN "interest"
2364 ON "member"."id" = "interest"."member_id"
2365 AND "event"."issue_id" = "interest"."issue_id"
2366 LEFT JOIN "ignored_member"
2367 ON "member"."id" = "ignored_member"."member_id"
2368 AND "event"."member_id" = "ignored_member"."other_member_id"
2369 LEFT JOIN "ignored_initiative"
2370 ON "member"."id" = "ignored_initiative"."member_id"
2371 AND "event"."initiative_id" = "ignored_initiative"."initiative_id"
2372 WHERE (
2373 "interest"."member_id" NOTNULL OR
2374 ( "membership"."member_id" NOTNULL AND
2375 "event"."event" IN (
2376 'issue_state_changed',
2377 'initiative_created_in_new_issue',
2378 'initiative_created_in_existing_issue',
2379 'initiative_revoked' ) ) )
2380 AND "ignored_member"."member_id" ISNULL
2381 AND "ignored_initiative"."member_id" ISNULL;
2383 COMMENT ON VIEW "event_seen_by_member" IS 'Events as seen by a member, depending on its memberships, interests and support, but ignoring members "notify_level"';
2386 CREATE VIEW "updated_initiative" AS
2387 SELECT
2388 "supporter"."member_id" AS "seen_by_member_id",
2389 TRUE AS "supported",
2390 EXISTS (
2391 SELECT NULL FROM "draft"
2392 WHERE "draft"."initiative_id" = "initiative"."id"
2393 AND "draft"."id" > "supporter"."draft_id"
2394 ) AS "new_draft",
2395 ( SELECT count(1) FROM "suggestion"
2396 LEFT JOIN "opinion" ON
2397 "opinion"."member_id" = "supporter"."member_id" AND
2398 "opinion"."suggestion_id" = "suggestion"."id"
2399 WHERE "suggestion"."initiative_id" = "initiative"."id"
2400 AND "opinion"."member_id" ISNULL
2401 AND COALESCE(
2402 "suggestion"."id" > "sent"."last_suggestion_id",
2403 TRUE
2404 )
2405 ) AS "new_suggestion_count",
2406 FALSE AS "featured",
2407 NOT EXISTS (
2408 SELECT NULL FROM "initiative" AS "better_initiative"
2409 WHERE
2410 "better_initiative"."issue_id" = "initiative"."issue_id"
2411 AND
2412 ( COALESCE("better_initiative"."harmonic_weight", -1),
2413 -"better_initiative"."id" ) >
2414 ( COALESCE("initiative"."harmonic_weight", -1),
2415 -"initiative"."id" )
2416 ) AS "leading",
2417 "initiative".*
2418 FROM "supporter" JOIN "initiative"
2419 ON "supporter"."initiative_id" = "initiative"."id"
2420 LEFT JOIN "initiative_notification_sent" AS "sent"
2421 ON "sent"."member_id" = "supporter"."member_id"
2422 AND "sent"."initiative_id" = "initiative"."id"
2423 JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
2424 WHERE "issue"."state" IN ('admission', 'discussion')
2425 AND (
2426 EXISTS (
2427 SELECT NULL FROM "draft"
2428 WHERE "draft"."initiative_id" = "initiative"."id"
2429 AND "draft"."id" > "supporter"."draft_id"
2430 ) OR EXISTS (
2431 SELECT NULL FROM "suggestion"
2432 LEFT JOIN "opinion" ON
2433 "opinion"."member_id" = "supporter"."member_id" AND
2434 "opinion"."suggestion_id" = "suggestion"."id"
2435 WHERE "suggestion"."initiative_id" = "initiative"."id"
2436 AND "opinion"."member_id" ISNULL
2437 AND COALESCE(
2438 "suggestion"."id" > "sent"."last_suggestion_id",
2439 TRUE
2440 )
2441 )
2442 );
2444 CREATE FUNCTION "featured_initiative"
2445 ( "member_id_p" "member"."id"%TYPE,
2446 "area_id_p" "area"."id"%TYPE )
2447 RETURNS SETOF "initiative"
2448 LANGUAGE 'plpgsql' STABLE AS $$
2449 DECLARE
2450 "member_row" "member"%ROWTYPE;
2451 "member_id_v" "member"."id"%TYPE;
2452 "seed_v" TEXT;
2453 "result_row" "initiative"%ROWTYPE;
2454 "match_v" BOOLEAN;
2455 "initiative_id_ary" INT4[]; --"initiative"."id"%TYPE[]
2456 BEGIN
2457 SELECT INTO "member_row" * FROM "member" WHERE "id" = "member_id_p";
2458 "initiative_id_ary" := '{}';
2459 LOOP
2460 "match_v" := FALSE;
2461 FOR "member_id_v", "seed_v" IN
2462 SELECT * FROM (
2463 SELECT DISTINCT
2464 "supporter"."member_id",
2465 md5("member_id_p" || '-' || "member_row"."notification_counter" || '-' || "area_id_p" || '-' || "supporter"."member_id") AS "seed"
2466 FROM "supporter"
2467 JOIN "member" ON "member"."id" = "supporter"."member_id"
2468 JOIN "initiative" ON "initiative"."id" = "supporter"."initiative_id"
2469 JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
2470 WHERE "supporter"."member_id" != "member_id_p"
2471 AND "issue"."area_id" = "area_id_p"
2472 AND "issue"."state" IN ('admission', 'discussion', 'verification')
2473 ) AS "subquery"
2474 ORDER BY "seed"
2475 LOOP
2476 SELECT "initiative".* INTO "result_row"
2477 FROM "initiative"
2478 JOIN "issue" ON "issue"."id" = "initiative"."issue_id"
2479 JOIN "supporter" ON "supporter"."initiative_id" = "initiative"."id"
2480 LEFT JOIN "supporter" AS "self_support" ON
2481 "self_support"."initiative_id" = "initiative"."id" AND
2482 "self_support"."member_id" = "member_id_p"
2483 WHERE "supporter"."member_id" = "member_id_v"
2484 AND "issue"."area_id" = "area_id_p"
2485 AND "issue"."state" IN ('admission', 'discussion', 'verification')
2486 AND "self_support"."member_id" ISNULL
2487 AND NOT "initiative_id_ary" @> ARRAY["initiative"."id"]
2488 ORDER BY md5("seed_v" || '-' || "initiative"."id")
2489 LIMIT 1;
2490 IF FOUND THEN
2491 "match_v" := TRUE;
2492 "initiative_id_ary" := "initiative_id_ary" || "result_row"."id";
2493 RETURN NEXT "result_row";
2494 IF array_length("initiative_id_ary", 1) >= "member_row"."notification_sample_size" THEN
2495 RETURN;
2496 END IF;
2497 END IF;
2498 END LOOP;
2499 EXIT WHEN NOT "match_v";
2500 END LOOP;
2501 RETURN;
2502 END;
2503 $$;
2505 CREATE VIEW "updated_or_featured_initiative" AS
2506 SELECT * FROM "updated_initiative"
2507 UNION ALL
2508 SELECT
2509 "member"."id" AS "seen_by_member_id",
2510 FALSE AS "supported",
2511 NULL::BOOLEAN AS "new_draft",
2512 NULL::INTEGER AS "new_suggestion_count",
2513 TRUE AS "featured",
2514 NOT EXISTS (
2515 SELECT NULL FROM "initiative" AS "better_initiative"
2516 WHERE
2517 "better_initiative"."issue_id" = "initiative"."issue_id"
2518 AND
2519 ( COALESCE("better_initiative"."harmonic_weight", -1),
2520 -"better_initiative"."id" ) >
2521 ( COALESCE("initiative"."harmonic_weight", -1),
2522 -"initiative"."id" )
2523 ) AS "leading",
2524 "initiative".*
2525 FROM "member" CROSS JOIN "area"
2526 CROSS JOIN LATERAL
2527 "featured_initiative"("member"."id", "area"."id") AS "initiative";
2529 CREATE VIEW "leading_complement_initiative" AS
2530 SELECT * FROM (
2531 SELECT DISTINCT ON ("seen_by_member_id", "initiative"."issue_id")
2532 "updated_or_featured_initiative"."seen_by_member_id",
2533 FALSE AS "supported",
2534 NULL::BOOLEAN AS "new_draft",
2535 NULL::INTEGER AS "new_suggestion_count",
2536 FALSE AS "featured",
2537 TRUE AS "leading",
2538 "initiative".*
2539 FROM "updated_or_featured_initiative"
2540 JOIN "initiative"
2541 ON "updated_or_featured_initiative"."issue_id" = "initiative"."issue_id"
2542 ORDER BY
2543 "seen_by_member_id",
2544 "initiative"."issue_id",
2545 "initiative"."harmonic_weight" DESC,
2546 "initiative"."id"
2547 ) AS "subquery"
2548 WHERE NOT EXISTS (
2549 SELECT NULL FROM "updated_or_featured_initiative" AS "other"
2550 WHERE "other"."seen_by_member_id" = "subquery"."seen_by_member_id"
2551 AND "other"."id" = "subquery"."id"
2552 );
2554 CREATE VIEW "initiative_for_notification" AS
2555 SELECT * FROM "updated_or_featured_initiative"
2556 UNION ALL
2557 SELECT * FROM "leading_complement_initiative";
2561 ------------------------------------------------------
2562 -- Row set returning function for delegation chains --
2563 ------------------------------------------------------
2566 CREATE TYPE "delegation_chain_loop_tag" AS ENUM
2567 ('first', 'intermediate', 'last', 'repetition');
2569 COMMENT ON TYPE "delegation_chain_loop_tag" IS 'Type for loop tags in "delegation_chain_row" type';
2572 CREATE TYPE "delegation_chain_row" AS (
2573 "index" INT4,
2574 "member_id" INT4,
2575 "member_valid" BOOLEAN,
2576 "participation" BOOLEAN,
2577 "overridden" BOOLEAN,
2578 "scope_in" "delegation_scope",
2579 "scope_out" "delegation_scope",
2580 "disabled_out" BOOLEAN,
2581 "loop" "delegation_chain_loop_tag" );
2583 COMMENT ON TYPE "delegation_chain_row" IS 'Type of rows returned by "delegation_chain" function';
2585 COMMENT ON COLUMN "delegation_chain_row"."index" IS 'Index starting with 0 and counting up';
2586 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';
2587 COMMENT ON COLUMN "delegation_chain_row"."overridden" IS 'True, if an entry with lower index has "participation" set to true';
2588 COMMENT ON COLUMN "delegation_chain_row"."scope_in" IS 'Scope of used incoming delegation';
2589 COMMENT ON COLUMN "delegation_chain_row"."scope_out" IS 'Scope of used outgoing delegation';
2590 COMMENT ON COLUMN "delegation_chain_row"."disabled_out" IS 'Outgoing delegation is explicitly disabled by a delegation with trustee_id set to NULL';
2591 COMMENT ON COLUMN "delegation_chain_row"."loop" IS 'Not null, if member is part of a loop, see "delegation_chain_loop_tag" type';
2594 CREATE FUNCTION "delegation_chain_for_closed_issue"
2595 ( "member_id_p" "member"."id"%TYPE,
2596 "issue_id_p" "issue"."id"%TYPE )
2597 RETURNS SETOF "delegation_chain_row"
2598 LANGUAGE 'plpgsql' STABLE AS $$
2599 DECLARE
2600 "output_row" "delegation_chain_row";
2601 "direct_voter_row" "direct_voter"%ROWTYPE;
2602 "delegating_voter_row" "delegating_voter"%ROWTYPE;
2603 BEGIN
2604 "output_row"."index" := 0;
2605 "output_row"."member_id" := "member_id_p";
2606 "output_row"."member_valid" := TRUE;
2607 "output_row"."participation" := FALSE;
2608 "output_row"."overridden" := FALSE;
2609 "output_row"."disabled_out" := FALSE;
2610 LOOP
2611 SELECT INTO "direct_voter_row" * FROM "direct_voter"
2612 WHERE "issue_id" = "issue_id_p"
2613 AND "member_id" = "output_row"."member_id";
2614 IF "direct_voter_row"."member_id" NOTNULL THEN
2615 "output_row"."participation" := TRUE;
2616 "output_row"."scope_out" := NULL;
2617 "output_row"."disabled_out" := NULL;
2618 RETURN NEXT "output_row";
2619 RETURN;
2620 END IF;
2621 SELECT INTO "delegating_voter_row" * FROM "delegating_voter"
2622 WHERE "issue_id" = "issue_id_p"
2623 AND "member_id" = "output_row"."member_id";
2624 IF "delegating_voter_row"."member_id" ISNULL THEN
2625 RETURN;
2626 END IF;
2627 "output_row"."scope_out" := "delegating_voter_row"."scope";
2628 RETURN NEXT "output_row";
2629 "output_row"."member_id" := "delegating_voter_row"."delegate_member_ids"[1];
2630 "output_row"."scope_in" := "output_row"."scope_out";
2631 END LOOP;
2632 END;
2633 $$;
2635 COMMENT ON FUNCTION "delegation_chain_for_closed_issue"
2636 ( "member"."id"%TYPE,
2637 "member"."id"%TYPE )
2638 IS 'Helper function for "delegation_chain" function, handling the special case of closed issues after voting';
2641 CREATE FUNCTION "delegation_chain"
2642 ( "member_id_p" "member"."id"%TYPE,
2643 "unit_id_p" "unit"."id"%TYPE,
2644 "area_id_p" "area"."id"%TYPE,
2645 "issue_id_p" "issue"."id"%TYPE,
2646 "simulate_trustee_id_p" "member"."id"%TYPE DEFAULT NULL,
2647 "simulate_default_p" BOOLEAN DEFAULT FALSE )
2648 RETURNS SETOF "delegation_chain_row"
2649 LANGUAGE 'plpgsql' STABLE AS $$
2650 DECLARE
2651 "scope_v" "delegation_scope";
2652 "unit_id_v" "unit"."id"%TYPE;
2653 "area_id_v" "area"."id"%TYPE;
2654 "issue_row" "issue"%ROWTYPE;
2655 "visited_member_ids" INT4[]; -- "member"."id"%TYPE[]
2656 "loop_member_id_v" "member"."id"%TYPE;
2657 "output_row" "delegation_chain_row";
2658 "output_rows" "delegation_chain_row"[];
2659 "simulate_v" BOOLEAN;
2660 "simulate_here_v" BOOLEAN;
2661 "delegation_row" "delegation"%ROWTYPE;
2662 "row_count" INT4;
2663 "i" INT4;
2664 "loop_v" BOOLEAN;
2665 BEGIN
2666 IF "simulate_trustee_id_p" NOTNULL AND "simulate_default_p" THEN
2667 RAISE EXCEPTION 'Both "simulate_trustee_id_p" is set, and "simulate_default_p" is true';
2668 END IF;
2669 IF "simulate_trustee_id_p" NOTNULL OR "simulate_default_p" THEN
2670 "simulate_v" := TRUE;
2671 ELSE
2672 "simulate_v" := FALSE;
2673 END IF;
2674 IF
2675 "unit_id_p" NOTNULL AND
2676 "area_id_p" ISNULL AND
2677 "issue_id_p" ISNULL
2678 THEN
2679 "scope_v" := 'unit';
2680 "unit_id_v" := "unit_id_p";
2681 ELSIF
2682 "unit_id_p" ISNULL AND
2683 "area_id_p" NOTNULL AND
2684 "issue_id_p" ISNULL
2685 THEN
2686 "scope_v" := 'area';
2687 "area_id_v" := "area_id_p";
2688 SELECT "unit_id" INTO "unit_id_v"
2689 FROM "area" WHERE "id" = "area_id_v";
2690 ELSIF
2691 "unit_id_p" ISNULL AND
2692 "area_id_p" ISNULL AND
2693 "issue_id_p" NOTNULL
2694 THEN
2695 SELECT INTO "issue_row" * FROM "issue" WHERE "id" = "issue_id_p";
2696 IF "issue_row"."id" ISNULL THEN
2697 RETURN;
2698 END IF;
2699 IF "issue_row"."closed" NOTNULL THEN
2700 IF "simulate_v" THEN
2701 RAISE EXCEPTION 'Tried to simulate delegation chain for closed issue.';
2702 END IF;
2703 FOR "output_row" IN
2704 SELECT * FROM
2705 "delegation_chain_for_closed_issue"("member_id_p", "issue_id_p")
2706 LOOP
2707 RETURN NEXT "output_row";
2708 END LOOP;
2709 RETURN;
2710 END IF;
2711 "scope_v" := 'issue';
2712 SELECT "area_id" INTO "area_id_v"
2713 FROM "issue" WHERE "id" = "issue_id_p";
2714 SELECT "unit_id" INTO "unit_id_v"
2715 FROM "area" WHERE "id" = "area_id_v";
2716 ELSE
2717 RAISE EXCEPTION 'Exactly one of unit_id_p, area_id_p, or issue_id_p must be NOTNULL.';
2718 END IF;
2719 "visited_member_ids" := '{}';
2720 "loop_member_id_v" := NULL;
2721 "output_rows" := '{}';
2722 "output_row"."index" := 0;
2723 "output_row"."member_id" := "member_id_p";
2724 "output_row"."member_valid" := TRUE;
2725 "output_row"."participation" := FALSE;
2726 "output_row"."overridden" := FALSE;
2727 "output_row"."disabled_out" := FALSE;
2728 "output_row"."scope_out" := NULL;
2729 LOOP
2730 IF "visited_member_ids" @> ARRAY["output_row"."member_id"] THEN
2731 "loop_member_id_v" := "output_row"."member_id";
2732 ELSE
2733 "visited_member_ids" :=
2734 "visited_member_ids" || "output_row"."member_id";
2735 END IF;
2736 IF "output_row"."participation" ISNULL THEN
2737 "output_row"."overridden" := NULL;
2738 ELSIF "output_row"."participation" THEN
2739 "output_row"."overridden" := TRUE;
2740 END IF;
2741 "output_row"."scope_in" := "output_row"."scope_out";
2742 "output_row"."member_valid" := EXISTS (
2743 SELECT NULL FROM "member" JOIN "privilege"
2744 ON "privilege"."member_id" = "member"."id"
2745 AND "privilege"."unit_id" = "unit_id_v"
2746 WHERE "id" = "output_row"."member_id"
2747 AND "member"."active" AND "privilege"."voting_right"
2748 );
2749 "simulate_here_v" := (
2750 "simulate_v" AND
2751 "output_row"."member_id" = "member_id_p"
2752 );
2753 "delegation_row" := ROW(NULL);
2754 IF "output_row"."member_valid" OR "simulate_here_v" THEN
2755 IF "scope_v" = 'unit' THEN
2756 IF NOT "simulate_here_v" THEN
2757 SELECT * INTO "delegation_row" FROM "delegation"
2758 WHERE "truster_id" = "output_row"."member_id"
2759 AND "unit_id" = "unit_id_v";
2760 END IF;
2761 ELSIF "scope_v" = 'area' THEN
2762 "output_row"."participation" := EXISTS (
2763 SELECT NULL FROM "membership"
2764 WHERE "area_id" = "area_id_p"
2765 AND "member_id" = "output_row"."member_id"
2766 );
2767 IF "simulate_here_v" THEN
2768 IF "simulate_trustee_id_p" ISNULL THEN
2769 SELECT * INTO "delegation_row" FROM "delegation"
2770 WHERE "truster_id" = "output_row"."member_id"
2771 AND "unit_id" = "unit_id_v";
2772 END IF;
2773 ELSE
2774 SELECT * INTO "delegation_row" FROM "delegation"
2775 WHERE "truster_id" = "output_row"."member_id"
2776 AND (
2777 "unit_id" = "unit_id_v" OR
2778 "area_id" = "area_id_v"
2779 )
2780 ORDER BY "scope" DESC;
2781 END IF;
2782 ELSIF "scope_v" = 'issue' THEN
2783 IF "issue_row"."fully_frozen" ISNULL THEN
2784 "output_row"."participation" := EXISTS (
2785 SELECT NULL FROM "interest"
2786 WHERE "issue_id" = "issue_id_p"
2787 AND "member_id" = "output_row"."member_id"
2788 );
2789 ELSE
2790 IF "output_row"."member_id" = "member_id_p" THEN
2791 "output_row"."participation" := EXISTS (
2792 SELECT NULL FROM "direct_voter"
2793 WHERE "issue_id" = "issue_id_p"
2794 AND "member_id" = "output_row"."member_id"
2795 );
2796 ELSE
2797 "output_row"."participation" := NULL;
2798 END IF;
2799 END IF;
2800 IF "simulate_here_v" THEN
2801 IF "simulate_trustee_id_p" ISNULL THEN
2802 SELECT * INTO "delegation_row" FROM "delegation"
2803 WHERE "truster_id" = "output_row"."member_id"
2804 AND (
2805 "unit_id" = "unit_id_v" OR
2806 "area_id" = "area_id_v"
2807 )
2808 ORDER BY "scope" DESC;
2809 END IF;
2810 ELSE
2811 SELECT * INTO "delegation_row" FROM "delegation"
2812 WHERE "truster_id" = "output_row"."member_id"
2813 AND (
2814 "unit_id" = "unit_id_v" OR
2815 "area_id" = "area_id_v" OR
2816 "issue_id" = "issue_id_p"
2817 )
2818 ORDER BY "scope" DESC;
2819 END IF;
2820 END IF;
2821 ELSE
2822 "output_row"."participation" := FALSE;
2823 END IF;
2824 IF "simulate_here_v" AND "simulate_trustee_id_p" NOTNULL THEN
2825 "output_row"."scope_out" := "scope_v";
2826 "output_rows" := "output_rows" || "output_row";
2827 "output_row"."member_id" := "simulate_trustee_id_p";
2828 ELSIF "delegation_row"."trustee_id" NOTNULL THEN
2829 "output_row"."scope_out" := "delegation_row"."scope";
2830 "output_rows" := "output_rows" || "output_row";
2831 "output_row"."member_id" := "delegation_row"."trustee_id";
2832 ELSIF "delegation_row"."scope" NOTNULL THEN
2833 "output_row"."scope_out" := "delegation_row"."scope";
2834 "output_row"."disabled_out" := TRUE;
2835 "output_rows" := "output_rows" || "output_row";
2836 EXIT;
2837 ELSE
2838 "output_row"."scope_out" := NULL;
2839 "output_rows" := "output_rows" || "output_row";
2840 EXIT;
2841 END IF;
2842 EXIT WHEN "loop_member_id_v" NOTNULL;
2843 "output_row"."index" := "output_row"."index" + 1;
2844 END LOOP;
2845 "row_count" := array_upper("output_rows", 1);
2846 "i" := 1;
2847 "loop_v" := FALSE;
2848 LOOP
2849 "output_row" := "output_rows"["i"];
2850 EXIT WHEN "output_row" ISNULL; -- NOTE: ISNULL and NOT ... NOTNULL produce different results!
2851 IF "loop_v" THEN
2852 IF "i" + 1 = "row_count" THEN
2853 "output_row"."loop" := 'last';
2854 ELSIF "i" = "row_count" THEN
2855 "output_row"."loop" := 'repetition';
2856 ELSE
2857 "output_row"."loop" := 'intermediate';
2858 END IF;
2859 ELSIF "output_row"."member_id" = "loop_member_id_v" THEN
2860 "output_row"."loop" := 'first';
2861 "loop_v" := TRUE;
2862 END IF;
2863 IF "scope_v" = 'unit' THEN
2864 "output_row"."participation" := NULL;
2865 END IF;
2866 RETURN NEXT "output_row";
2867 "i" := "i" + 1;
2868 END LOOP;
2869 RETURN;
2870 END;
2871 $$;
2873 COMMENT ON FUNCTION "delegation_chain"
2874 ( "member"."id"%TYPE,
2875 "unit"."id"%TYPE,
2876 "area"."id"%TYPE,
2877 "issue"."id"%TYPE,
2878 "member"."id"%TYPE,
2879 BOOLEAN )
2880 IS 'Shows a delegation chain for unit, area, or issue; See "delegation_chain_row" type for more information';
2884 ---------------------------------------------------------
2885 -- Single row returning function for delegation chains --
2886 ---------------------------------------------------------
2889 CREATE TYPE "delegation_info_loop_type" AS ENUM
2890 ('own', 'first', 'first_ellipsis', 'other', 'other_ellipsis');
2892 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''';
2895 CREATE TYPE "delegation_info_type" AS (
2896 "own_participation" BOOLEAN,
2897 "own_delegation_scope" "delegation_scope",
2898 "first_trustee_id" INT4,
2899 "first_trustee_participation" BOOLEAN,
2900 "first_trustee_ellipsis" BOOLEAN,
2901 "other_trustee_id" INT4,
2902 "other_trustee_participation" BOOLEAN,
2903 "other_trustee_ellipsis" BOOLEAN,
2904 "delegation_loop" "delegation_info_loop_type",
2905 "participating_member_id" INT4 );
2907 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';
2909 COMMENT ON COLUMN "delegation_info_type"."own_participation" IS 'Member is directly participating';
2910 COMMENT ON COLUMN "delegation_info_type"."own_delegation_scope" IS 'Delegation scope of member';
2911 COMMENT ON COLUMN "delegation_info_type"."first_trustee_id" IS 'Direct trustee of member';
2912 COMMENT ON COLUMN "delegation_info_type"."first_trustee_participation" IS 'Direct trustee of member is participating';
2913 COMMENT ON COLUMN "delegation_info_type"."first_trustee_ellipsis" IS 'Ellipsis in delegation chain after "first_trustee"';
2914 COMMENT ON COLUMN "delegation_info_type"."other_trustee_id" IS 'Another relevant trustee (due to participation)';
2915 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)';
2916 COMMENT ON COLUMN "delegation_info_type"."other_trustee_ellipsis" IS 'Ellipsis in delegation chain after "other_trustee"';
2917 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';
2918 COMMENT ON COLUMN "delegation_info_type"."participating_member_id" IS 'First participating member in delegation chain';
2921 CREATE FUNCTION "delegation_info"
2922 ( "member_id_p" "member"."id"%TYPE,
2923 "unit_id_p" "unit"."id"%TYPE,
2924 "area_id_p" "area"."id"%TYPE,
2925 "issue_id_p" "issue"."id"%TYPE,
2926 "simulate_trustee_id_p" "member"."id"%TYPE DEFAULT NULL,
2927 "simulate_default_p" BOOLEAN DEFAULT FALSE )
2928 RETURNS "delegation_info_type"
2929 LANGUAGE 'plpgsql' STABLE AS $$
2930 DECLARE
2931 "current_row" "delegation_chain_row";
2932 "result" "delegation_info_type";
2933 BEGIN
2934 "result"."own_participation" := FALSE;
2935 FOR "current_row" IN
2936 SELECT * FROM "delegation_chain"(
2937 "member_id_p",
2938 "unit_id_p", "area_id_p", "issue_id_p",
2939 "simulate_trustee_id_p", "simulate_default_p")
2940 LOOP
2941 IF
2942 "result"."participating_member_id" ISNULL AND
2943 "current_row"."participation"
2944 THEN
2945 "result"."participating_member_id" := "current_row"."member_id";
2946 END IF;
2947 IF "current_row"."member_id" = "member_id_p" THEN
2948 "result"."own_participation" := "current_row"."participation";
2949 "result"."own_delegation_scope" := "current_row"."scope_out";
2950 IF "current_row"."loop" = 'first' THEN
2951 "result"."delegation_loop" := 'own';
2952 END IF;
2953 ELSIF
2954 "current_row"."member_valid" AND
2955 ( "current_row"."loop" ISNULL OR
2956 "current_row"."loop" != 'repetition' )
2957 THEN
2958 IF "result"."first_trustee_id" ISNULL THEN
2959 "result"."first_trustee_id" := "current_row"."member_id";
2960 "result"."first_trustee_participation" := "current_row"."participation";
2961 "result"."first_trustee_ellipsis" := FALSE;
2962 IF "current_row"."loop" = 'first' THEN
2963 "result"."delegation_loop" := 'first';
2964 END IF;
2965 ELSIF "result"."other_trustee_id" ISNULL THEN
2966 IF "current_row"."participation" AND NOT "current_row"."overridden" THEN
2967 "result"."other_trustee_id" := "current_row"."member_id";
2968 "result"."other_trustee_participation" := TRUE;
2969 "result"."other_trustee_ellipsis" := FALSE;
2970 IF "current_row"."loop" = 'first' THEN
2971 "result"."delegation_loop" := 'other';
2972 END IF;
2973 ELSE
2974 "result"."first_trustee_ellipsis" := TRUE;
2975 IF "current_row"."loop" = 'first' THEN
2976 "result"."delegation_loop" := 'first_ellipsis';
2977 END IF;
2978 END IF;
2979 ELSE
2980 "result"."other_trustee_ellipsis" := TRUE;
2981 IF "current_row"."loop" = 'first' THEN
2982 "result"."delegation_loop" := 'other_ellipsis';
2983 END IF;
2984 END IF;
2985 END IF;
2986 END LOOP;
2987 RETURN "result";
2988 END;
2989 $$;
2991 COMMENT ON FUNCTION "delegation_info"
2992 ( "member"."id"%TYPE,
2993 "unit"."id"%TYPE,
2994 "area"."id"%TYPE,
2995 "issue"."id"%TYPE,
2996 "member"."id"%TYPE,
2997 BOOLEAN )
2998 IS 'Notable information about a delegation chain for unit, area, or issue; See "delegation_info_type" for more information';
3002 ---------------------------
3003 -- Transaction isolation --
3004 ---------------------------
3007 CREATE FUNCTION "require_transaction_isolation"()
3008 RETURNS VOID
3009 LANGUAGE 'plpgsql' VOLATILE AS $$
3010 BEGIN
3011 IF
3012 current_setting('transaction_isolation') NOT IN
3013 ('repeatable read', 'serializable')
3014 THEN
3015 RAISE EXCEPTION 'Insufficient transaction isolation level' USING
3016 HINT = 'Consider using SET TRANSACTION ISOLATION LEVEL REPEATABLE READ.';
3017 END IF;
3018 RETURN;
3019 END;
3020 $$;
3022 COMMENT ON FUNCTION "require_transaction_isolation"() IS 'Throws an exception, if transaction isolation level is too low to provide a consistent snapshot';
3025 CREATE FUNCTION "dont_require_transaction_isolation"()
3026 RETURNS VOID
3027 LANGUAGE 'plpgsql' VOLATILE AS $$
3028 BEGIN
3029 IF
3030 current_setting('transaction_isolation') IN
3031 ('repeatable read', 'serializable')
3032 THEN
3033 RAISE WARNING 'Unneccessary transaction isolation level: %',
3034 current_setting('transaction_isolation');
3035 END IF;
3036 RETURN;
3037 END;
3038 $$;
3040 COMMENT ON FUNCTION "dont_require_transaction_isolation"() IS 'Raises a warning, if transaction isolation level is higher than READ COMMITTED';
3044 ------------------------------------------------------------------------
3045 -- Regular tasks, except calculcation of snapshots and voting results --
3046 ------------------------------------------------------------------------
3049 CREATE FUNCTION "check_activity"()
3050 RETURNS VOID
3051 LANGUAGE 'plpgsql' VOLATILE AS $$
3052 DECLARE
3053 "system_setting_row" "system_setting"%ROWTYPE;
3054 BEGIN
3055 PERFORM "dont_require_transaction_isolation"();
3056 SELECT * INTO "system_setting_row" FROM "system_setting";
3057 IF "system_setting_row"."member_ttl" NOTNULL THEN
3058 UPDATE "member" SET "active" = FALSE
3059 WHERE "active" = TRUE
3060 AND "last_activity" < (now() - "system_setting_row"."member_ttl")::DATE;
3061 END IF;
3062 RETURN;
3063 END;
3064 $$;
3066 COMMENT ON FUNCTION "check_activity"() IS 'Deactivates members when "last_activity" is older than "system_setting"."member_ttl".';
3069 CREATE FUNCTION "calculate_member_counts"()
3070 RETURNS VOID
3071 LANGUAGE 'plpgsql' VOLATILE AS $$
3072 BEGIN
3073 PERFORM "require_transaction_isolation"();
3074 DELETE FROM "member_count";
3075 INSERT INTO "member_count" ("total_count")
3076 SELECT "total_count" FROM "member_count_view";
3077 UPDATE "unit" SET "member_count" = "view"."member_count"
3078 FROM "unit_member_count" AS "view"
3079 WHERE "view"."unit_id" = "unit"."id";
3080 UPDATE "area" SET
3081 "direct_member_count" = "view"."direct_member_count",
3082 "member_weight" = "view"."member_weight"
3083 FROM "area_member_count" AS "view"
3084 WHERE "view"."area_id" = "area"."id";
3085 RETURN;
3086 END;
3087 $$;
3089 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"';
3093 ------------------------------------
3094 -- Calculation of harmonic weight --
3095 ------------------------------------
3098 CREATE VIEW "remaining_harmonic_supporter_weight" AS
3099 SELECT
3100 "direct_interest_snapshot"."issue_id",
3101 "direct_interest_snapshot"."event",
3102 "direct_interest_snapshot"."member_id",
3103 "direct_interest_snapshot"."weight" AS "weight_num",
3104 count("initiative"."id") AS "weight_den"
3105 FROM "issue"
3106 JOIN "direct_interest_snapshot"
3107 ON "issue"."id" = "direct_interest_snapshot"."issue_id"
3108 AND "issue"."latest_snapshot_event" = "direct_interest_snapshot"."event"
3109 JOIN "initiative"
3110 ON "issue"."id" = "initiative"."issue_id"
3111 AND "initiative"."harmonic_weight" ISNULL
3112 JOIN "direct_supporter_snapshot"
3113 ON "initiative"."id" = "direct_supporter_snapshot"."initiative_id"
3114 AND "direct_interest_snapshot"."event" = "direct_supporter_snapshot"."event"
3115 AND "direct_interest_snapshot"."member_id" = "direct_supporter_snapshot"."member_id"
3116 AND (
3117 "direct_supporter_snapshot"."satisfied" = TRUE OR
3118 coalesce("initiative"."admitted", FALSE) = FALSE
3119 )
3120 GROUP BY
3121 "direct_interest_snapshot"."issue_id",
3122 "direct_interest_snapshot"."event",
3123 "direct_interest_snapshot"."member_id",
3124 "direct_interest_snapshot"."weight";
3126 COMMENT ON VIEW "remaining_harmonic_supporter_weight" IS 'Helper view for function "set_harmonic_initiative_weights"';
3129 CREATE VIEW "remaining_harmonic_initiative_weight_summands" AS
3130 SELECT
3131 "initiative"."issue_id",
3132 "initiative"."id" AS "initiative_id",
3133 "initiative"."admitted",
3134 sum("remaining_harmonic_supporter_weight"."weight_num") AS "weight_num",
3135 "remaining_harmonic_supporter_weight"."weight_den"
3136 FROM "remaining_harmonic_supporter_weight"
3137 JOIN "initiative"
3138 ON "remaining_harmonic_supporter_weight"."issue_id" = "initiative"."issue_id"
3139 AND "initiative"."harmonic_weight" ISNULL
3140 JOIN "direct_supporter_snapshot"
3141 ON "initiative"."id" = "direct_supporter_snapshot"."initiative_id"
3142 AND "remaining_harmonic_supporter_weight"."event" = "direct_supporter_snapshot"."event"
3143 AND "remaining_harmonic_supporter_weight"."member_id" = "direct_supporter_snapshot"."member_id"
3144 AND (
3145 "direct_supporter_snapshot"."satisfied" = TRUE OR
3146 coalesce("initiative"."admitted", FALSE) = FALSE
3147 )
3148 GROUP BY
3149 "initiative"."issue_id",
3150 "initiative"."id",
3151 "initiative"."admitted",
3152 "remaining_harmonic_supporter_weight"."weight_den";
3154 COMMENT ON VIEW "remaining_harmonic_initiative_weight_summands" IS 'Helper view for function "set_harmonic_initiative_weights"';
3157 CREATE VIEW "remaining_harmonic_initiative_weight_dummies" AS
3158 SELECT
3159 "issue_id",
3160 "id" AS "initiative_id",
3161 "admitted",
3162 0 AS "weight_num",
3163 1 AS "weight_den"
3164 FROM "initiative"
3165 WHERE "harmonic_weight" ISNULL;
3167 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';
3170 CREATE FUNCTION "set_harmonic_initiative_weights"
3171 ( "issue_id_p" "issue"."id"%TYPE )
3172 RETURNS VOID
3173 LANGUAGE 'plpgsql' VOLATILE AS $$
3174 DECLARE
3175 "weight_row" "remaining_harmonic_initiative_weight_summands"%ROWTYPE;
3176 "i" INT4;
3177 "count_v" INT4;
3178 "summand_v" FLOAT;
3179 "id_ary" INT4[];
3180 "weight_ary" FLOAT[];
3181 "min_weight_v" FLOAT;
3182 BEGIN
3183 PERFORM "require_transaction_isolation"();
3184 UPDATE "initiative" SET "harmonic_weight" = NULL
3185 WHERE "issue_id" = "issue_id_p";
3186 LOOP
3187 "min_weight_v" := NULL;
3188 "i" := 0;
3189 "count_v" := 0;
3190 FOR "weight_row" IN
3191 SELECT * FROM "remaining_harmonic_initiative_weight_summands"
3192 WHERE "issue_id" = "issue_id_p"
3193 AND (
3194 coalesce("admitted", FALSE) = FALSE OR NOT EXISTS (
3195 SELECT NULL FROM "initiative"
3196 WHERE "issue_id" = "issue_id_p"
3197 AND "harmonic_weight" ISNULL
3198 AND coalesce("admitted", FALSE) = FALSE
3199 )
3200 )
3201 UNION ALL -- needed for corner cases
3202 SELECT * FROM "remaining_harmonic_initiative_weight_dummies"
3203 WHERE "issue_id" = "issue_id_p"
3204 AND (
3205 coalesce("admitted", FALSE) = FALSE OR NOT EXISTS (
3206 SELECT NULL FROM "initiative"
3207 WHERE "issue_id" = "issue_id_p"
3208 AND "harmonic_weight" ISNULL
3209 AND coalesce("admitted", FALSE) = FALSE
3210 )
3211 )
3212 ORDER BY "initiative_id" DESC, "weight_den" DESC
3213 -- NOTE: non-admitted initiatives placed first (at last positions),
3214 -- latest initiatives treated worse in case of tie
3215 LOOP
3216 "summand_v" := "weight_row"."weight_num"::FLOAT / "weight_row"."weight_den"::FLOAT;
3217 IF "i" = 0 OR "weight_row"."initiative_id" != "id_ary"["i"] THEN
3218 "i" := "i" + 1;
3219 "count_v" := "i";
3220 "id_ary"["i"] := "weight_row"."initiative_id";
3221 "weight_ary"["i"] := "summand_v";
3222 ELSE
3223 "weight_ary"["i"] := "weight_ary"["i"] + "summand_v";
3224 END IF;
3225 END LOOP;
3226 EXIT WHEN "count_v" = 0;
3227 "i" := 1;
3228 LOOP
3229 "weight_ary"["i"] := "weight_ary"["i"]::NUMERIC(18,9)::NUMERIC(12,3);
3230 IF "min_weight_v" ISNULL OR "weight_ary"["i"] < "min_weight_v" THEN
3231 "min_weight_v" := "weight_ary"["i"];
3232 END IF;
3233 "i" := "i" + 1;
3234 EXIT WHEN "i" > "count_v";
3235 END LOOP;
3236 "i" := 1;
3237 LOOP
3238 IF "weight_ary"["i"] = "min_weight_v" THEN
3239 UPDATE "initiative" SET "harmonic_weight" = "min_weight_v"
3240 WHERE "id" = "id_ary"["i"];
3241 EXIT;
3242 END IF;
3243 "i" := "i" + 1;
3244 END LOOP;
3245 END LOOP;
3246 UPDATE "initiative" SET "harmonic_weight" = 0
3247 WHERE "issue_id" = "issue_id_p" AND "harmonic_weight" ISNULL;
3248 END;
3249 $$;
3251 COMMENT ON FUNCTION "set_harmonic_initiative_weights"
3252 ( "issue"."id"%TYPE )
3253 IS 'Calculates and sets "harmonic_weight" of initiatives in a given issue';
3257 ------------------------------
3258 -- Calculation of snapshots --
3259 ------------------------------
3262 CREATE FUNCTION "weight_of_added_delegations_for_population_snapshot"
3263 ( "issue_id_p" "issue"."id"%TYPE,
3264 "member_id_p" "member"."id"%TYPE,
3265 "delegate_member_ids_p" "delegating_population_snapshot"."delegate_member_ids"%TYPE )
3266 RETURNS "direct_population_snapshot"."weight"%TYPE
3267 LANGUAGE 'plpgsql' VOLATILE AS $$
3268 DECLARE
3269 "issue_delegation_row" "issue_delegation"%ROWTYPE;
3270 "delegate_member_ids_v" "delegating_population_snapshot"."delegate_member_ids"%TYPE;
3271 "weight_v" INT4;
3272 "sub_weight_v" INT4;
3273 BEGIN
3274 PERFORM "require_transaction_isolation"();
3275 "weight_v" := 0;
3276 FOR "issue_delegation_row" IN
3277 SELECT * FROM "issue_delegation"
3278 WHERE "trustee_id" = "member_id_p"
3279 AND "issue_id" = "issue_id_p"
3280 LOOP
3281 IF NOT EXISTS (
3282 SELECT NULL FROM "direct_population_snapshot"
3283 WHERE "issue_id" = "issue_id_p"
3284 AND "event" = 'periodic'
3285 AND "member_id" = "issue_delegation_row"."truster_id"
3286 ) AND NOT EXISTS (
3287 SELECT NULL FROM "delegating_population_snapshot"
3288 WHERE "issue_id" = "issue_id_p"
3289 AND "event" = 'periodic'
3290 AND "member_id" = "issue_delegation_row"."truster_id"
3291 ) THEN
3292 "delegate_member_ids_v" :=
3293 "member_id_p" || "delegate_member_ids_p";
3294 INSERT INTO "delegating_population_snapshot" (
3295 "issue_id",
3296 "event",
3297 "member_id",
3298 "scope",
3299 "delegate_member_ids"
3300 ) VALUES (
3301 "issue_id_p",
3302 'periodic',
3303 "issue_delegation_row"."truster_id",
3304 "issue_delegation_row"."scope",
3305 "delegate_member_ids_v"
3306 );
3307 "sub_weight_v" := 1 +
3308 "weight_of_added_delegations_for_population_snapshot"(
3309 "issue_id_p",
3310 "issue_delegation_row"."truster_id",
3311 "delegate_member_ids_v"
3312 );
3313 UPDATE "delegating_population_snapshot"
3314 SET "weight" = "sub_weight_v"
3315 WHERE "issue_id" = "issue_id_p"
3316 AND "event" = 'periodic'
3317 AND "member_id" = "issue_delegation_row"."truster_id";
3318 "weight_v" := "weight_v" + "sub_weight_v";
3319 END IF;
3320 END LOOP;
3321 RETURN "weight_v";
3322 END;
3323 $$;
3325 COMMENT ON FUNCTION "weight_of_added_delegations_for_population_snapshot"
3326 ( "issue"."id"%TYPE,
3327 "member"."id"%TYPE,
3328 "delegating_population_snapshot"."delegate_member_ids"%TYPE )
3329 IS 'Helper function for "create_population_snapshot" function';
3332 CREATE FUNCTION "create_population_snapshot"
3333 ( "issue_id_p" "issue"."id"%TYPE )
3334 RETURNS VOID
3335 LANGUAGE 'plpgsql' VOLATILE AS $$
3336 DECLARE
3337 "member_id_v" "member"."id"%TYPE;
3338 BEGIN
3339 PERFORM "require_transaction_isolation"();
3340 DELETE FROM "direct_population_snapshot"
3341 WHERE "issue_id" = "issue_id_p"
3342 AND "event" = 'periodic';
3343 DELETE FROM "delegating_population_snapshot"
3344 WHERE "issue_id" = "issue_id_p"
3345 AND "event" = 'periodic';
3346 INSERT INTO "direct_population_snapshot"
3347 ("issue_id", "event", "member_id")
3348 SELECT
3349 "issue_id_p" AS "issue_id",
3350 'periodic'::"snapshot_event" AS "event",
3351 "member"."id" AS "member_id"
3352 FROM "issue"
3353 JOIN "area" ON "issue"."area_id" = "area"."id"
3354 JOIN "membership" ON "area"."id" = "membership"."area_id"
3355 JOIN "member" ON "membership"."member_id" = "member"."id"
3356 JOIN "privilege"
3357 ON "privilege"."unit_id" = "area"."unit_id"
3358 AND "privilege"."member_id" = "member"."id"
3359 WHERE "issue"."id" = "issue_id_p"
3360 AND "member"."active" AND "privilege"."voting_right"
3361 UNION
3362 SELECT
3363 "issue_id_p" AS "issue_id",
3364 'periodic'::"snapshot_event" AS "event",
3365 "member"."id" AS "member_id"
3366 FROM "issue"
3367 JOIN "area" ON "issue"."area_id" = "area"."id"
3368 JOIN "interest" ON "issue"."id" = "interest"."issue_id"
3369 JOIN "member" ON "interest"."member_id" = "member"."id"
3370 JOIN "privilege"
3371 ON "privilege"."unit_id" = "area"."unit_id"
3372 AND "privilege"."member_id" = "member"."id"
3373 WHERE "issue"."id" = "issue_id_p"
3374 AND "member"."active" AND "privilege"."voting_right";
3375 FOR "member_id_v" IN
3376 SELECT "member_id" FROM "direct_population_snapshot"
3377 WHERE "issue_id" = "issue_id_p"
3378 AND "event" = 'periodic'
3379 LOOP
3380 UPDATE "direct_population_snapshot" SET
3381 "weight" = 1 +
3382 "weight_of_added_delegations_for_population_snapshot"(
3383 "issue_id_p",
3384 "member_id_v",
3385 '{}'
3386 )
3387 WHERE "issue_id" = "issue_id_p"
3388 AND "event" = 'periodic'
3389 AND "member_id" = "member_id_v";
3390 END LOOP;
3391 RETURN;
3392 END;
3393 $$;
3395 COMMENT ON FUNCTION "create_population_snapshot"
3396 ( "issue"."id"%TYPE )
3397 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.';
3400 CREATE FUNCTION "weight_of_added_delegations_for_interest_snapshot"
3401 ( "issue_id_p" "issue"."id"%TYPE,
3402 "member_id_p" "member"."id"%TYPE,
3403 "delegate_member_ids_p" "delegating_interest_snapshot"."delegate_member_ids"%TYPE )
3404 RETURNS "direct_interest_snapshot"."weight"%TYPE
3405 LANGUAGE 'plpgsql' VOLATILE AS $$
3406 DECLARE
3407 "issue_delegation_row" "issue_delegation"%ROWTYPE;
3408 "delegate_member_ids_v" "delegating_interest_snapshot"."delegate_member_ids"%TYPE;
3409 "weight_v" INT4;
3410 "sub_weight_v" INT4;
3411 BEGIN
3412 PERFORM "require_transaction_isolation"();
3413 "weight_v" := 0;
3414 FOR "issue_delegation_row" IN
3415 SELECT * FROM "issue_delegation"
3416 WHERE "trustee_id" = "member_id_p"
3417 AND "issue_id" = "issue_id_p"
3418 LOOP
3419 IF NOT EXISTS (
3420 SELECT NULL FROM "direct_interest_snapshot"
3421 WHERE "issue_id" = "issue_id_p"
3422 AND "event" = 'periodic'
3423 AND "member_id" = "issue_delegation_row"."truster_id"
3424 ) AND NOT EXISTS (
3425 SELECT NULL FROM "delegating_interest_snapshot"
3426 WHERE "issue_id" = "issue_id_p"
3427 AND "event" = 'periodic'
3428 AND "member_id" = "issue_delegation_row"."truster_id"
3429 ) THEN
3430 "delegate_member_ids_v" :=
3431 "member_id_p" || "delegate_member_ids_p";
3432 INSERT INTO "delegating_interest_snapshot" (
3433 "issue_id",
3434 "event",
3435 "member_id",
3436 "scope",
3437 "delegate_member_ids"
3438 ) VALUES (
3439 "issue_id_p",
3440 'periodic',
3441 "issue_delegation_row"."truster_id",
3442 "issue_delegation_row"."scope",
3443 "delegate_member_ids_v"
3444 );
3445 "sub_weight_v" := 1 +
3446 "weight_of_added_delegations_for_interest_snapshot"(
3447 "issue_id_p",
3448 "issue_delegation_row"."truster_id",
3449 "delegate_member_ids_v"
3450 );
3451 UPDATE "delegating_interest_snapshot"
3452 SET "weight" = "sub_weight_v"
3453 WHERE "issue_id" = "issue_id_p"
3454 AND "event" = 'periodic'
3455 AND "member_id" = "issue_delegation_row"."truster_id";
3456 "weight_v" := "weight_v" + "sub_weight_v";
3457 END IF;
3458 END LOOP;
3459 RETURN "weight_v";
3460 END;
3461 $$;
3463 COMMENT ON FUNCTION "weight_of_added_delegations_for_interest_snapshot"
3464 ( "issue"."id"%TYPE,
3465 "member"."id"%TYPE,
3466 "delegating_interest_snapshot"."delegate_member_ids"%TYPE )
3467 IS 'Helper function for "create_interest_snapshot" function';
3470 CREATE FUNCTION "create_interest_snapshot"
3471 ( "issue_id_p" "issue"."id"%TYPE )
3472 RETURNS VOID
3473 LANGUAGE 'plpgsql' VOLATILE AS $$
3474 DECLARE
3475 "member_id_v" "member"."id"%TYPE;
3476 BEGIN
3477 PERFORM "require_transaction_isolation"();
3478 DELETE FROM "direct_interest_snapshot"
3479 WHERE "issue_id" = "issue_id_p"
3480 AND "event" = 'periodic';
3481 DELETE FROM "delegating_interest_snapshot"
3482 WHERE "issue_id" = "issue_id_p"
3483 AND "event" = 'periodic';
3484 DELETE FROM "direct_supporter_snapshot"
3485 USING "initiative" -- NOTE: due to missing index on issue_id
3486 WHERE "initiative"."issue_id" = "issue_id_p"
3487 AND "direct_supporter_snapshot"."initiative_id" = "initiative"."id"
3488 AND "direct_supporter_snapshot"."event" = 'periodic';
3489 INSERT INTO "direct_interest_snapshot"
3490 ("issue_id", "event", "member_id")
3491 SELECT
3492 "issue_id_p" AS "issue_id",
3493 'periodic' AS "event",
3494 "member"."id" AS "member_id"
3495 FROM "issue"
3496 JOIN "area" ON "issue"."area_id" = "area"."id"
3497 JOIN "interest" ON "issue"."id" = "interest"."issue_id"
3498 JOIN "member" ON "interest"."member_id" = "member"."id"
3499 JOIN "privilege"
3500 ON "privilege"."unit_id" = "area"."unit_id"
3501 AND "privilege"."member_id" = "member"."id"
3502 WHERE "issue"."id" = "issue_id_p"
3503 AND "member"."active" AND "privilege"."voting_right";
3504 FOR "member_id_v" IN
3505 SELECT "member_id" FROM "direct_interest_snapshot"
3506 WHERE "issue_id" = "issue_id_p"
3507 AND "event" = 'periodic'
3508 LOOP
3509 UPDATE "direct_interest_snapshot" SET
3510 "weight" = 1 +
3511 "weight_of_added_delegations_for_interest_snapshot"(
3512 "issue_id_p",
3513 "member_id_v",
3514 '{}'
3515 )
3516 WHERE "issue_id" = "issue_id_p"
3517 AND "event" = 'periodic'
3518 AND "member_id" = "member_id_v";
3519 END LOOP;
3520 INSERT INTO "direct_supporter_snapshot"
3521 ( "issue_id", "initiative_id", "event", "member_id",
3522 "draft_id", "informed", "satisfied" )
3523 SELECT
3524 "issue_id_p" AS "issue_id",
3525 "initiative"."id" AS "initiative_id",
3526 'periodic' AS "event",
3527 "supporter"."member_id" AS "member_id",
3528 "supporter"."draft_id" AS "draft_id",
3529 "supporter"."draft_id" = "current_draft"."id" AS "informed",
3530 NOT EXISTS (
3531 SELECT NULL FROM "critical_opinion"
3532 WHERE "initiative_id" = "initiative"."id"
3533 AND "member_id" = "supporter"."member_id"
3534 ) AS "satisfied"
3535 FROM "initiative"
3536 JOIN "supporter"
3537 ON "supporter"."initiative_id" = "initiative"."id"
3538 JOIN "current_draft"
3539 ON "initiative"."id" = "current_draft"."initiative_id"
3540 JOIN "direct_interest_snapshot"
3541 ON "supporter"."member_id" = "direct_interest_snapshot"."member_id"
3542 AND "initiative"."issue_id" = "direct_interest_snapshot"."issue_id"
3543 AND "event" = 'periodic'
3544 WHERE "initiative"."issue_id" = "issue_id_p";
3545 RETURN;
3546 END;
3547 $$;
3549 COMMENT ON FUNCTION "create_interest_snapshot"
3550 ( "issue"."id"%TYPE )
3551 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.';
3554 CREATE FUNCTION "create_snapshot"
3555 ( "issue_id_p" "issue"."id"%TYPE )
3556 RETURNS VOID
3557 LANGUAGE 'plpgsql' VOLATILE AS $$
3558 DECLARE
3559 "initiative_id_v" "initiative"."id"%TYPE;
3560 "suggestion_id_v" "suggestion"."id"%TYPE;
3561 BEGIN
3562 PERFORM "require_transaction_isolation"();
3563 PERFORM "create_population_snapshot"("issue_id_p");
3564 PERFORM "create_interest_snapshot"("issue_id_p");
3565 UPDATE "issue" SET
3566 "snapshot" = coalesce("phase_finished", now()),
3567 "latest_snapshot_event" = 'periodic',
3568 "population" = (
3569 SELECT coalesce(sum("weight"), 0)
3570 FROM "direct_population_snapshot"
3571 WHERE "issue_id" = "issue_id_p"
3572 AND "event" = 'periodic'
3573 )
3574 WHERE "id" = "issue_id_p";
3575 FOR "initiative_id_v" IN
3576 SELECT "id" FROM "initiative" WHERE "issue_id" = "issue_id_p"
3577 LOOP
3578 UPDATE "initiative" SET
3579 "supporter_count" = (
3580 SELECT coalesce(sum("di"."weight"), 0)
3581 FROM "direct_interest_snapshot" AS "di"
3582 JOIN "direct_supporter_snapshot" AS "ds"
3583 ON "di"."member_id" = "ds"."member_id"
3584 WHERE "di"."issue_id" = "issue_id_p"
3585 AND "di"."event" = 'periodic'
3586 AND "ds"."initiative_id" = "initiative_id_v"
3587 AND "ds"."event" = 'periodic'
3588 ),
3589 "informed_supporter_count" = (
3590 SELECT coalesce(sum("di"."weight"), 0)
3591 FROM "direct_interest_snapshot" AS "di"
3592 JOIN "direct_supporter_snapshot" AS "ds"
3593 ON "di"."member_id" = "ds"."member_id"
3594 WHERE "di"."issue_id" = "issue_id_p"
3595 AND "di"."event" = 'periodic'
3596 AND "ds"."initiative_id" = "initiative_id_v"
3597 AND "ds"."event" = 'periodic'
3598 AND "ds"."informed"
3599 ),
3600 "satisfied_supporter_count" = (
3601 SELECT coalesce(sum("di"."weight"), 0)
3602 FROM "direct_interest_snapshot" AS "di"
3603 JOIN "direct_supporter_snapshot" AS "ds"
3604 ON "di"."member_id" = "ds"."member_id"
3605 WHERE "di"."issue_id" = "issue_id_p"
3606 AND "di"."event" = 'periodic'
3607 AND "ds"."initiative_id" = "initiative_id_v"
3608 AND "ds"."event" = 'periodic'
3609 AND "ds"."satisfied"
3610 ),
3611 "satisfied_informed_supporter_count" = (
3612 SELECT coalesce(sum("di"."weight"), 0)
3613 FROM "direct_interest_snapshot" AS "di"
3614 JOIN "direct_supporter_snapshot" AS "ds"
3615 ON "di"."member_id" = "ds"."member_id"
3616 WHERE "di"."issue_id" = "issue_id_p"
3617 AND "di"."event" = 'periodic'
3618 AND "ds"."initiative_id" = "initiative_id_v"
3619 AND "ds"."event" = 'periodic'
3620 AND "ds"."informed"
3621 AND "ds"."satisfied"
3622 )
3623 WHERE "id" = "initiative_id_v";
3624 FOR "suggestion_id_v" IN
3625 SELECT "id" FROM "suggestion"
3626 WHERE "initiative_id" = "initiative_id_v"
3627 LOOP
3628 UPDATE "suggestion" SET
3629 "minus2_unfulfilled_count" = (
3630 SELECT coalesce(sum("snapshot"."weight"), 0)
3631 FROM "issue" CROSS JOIN "opinion"
3632 JOIN "direct_interest_snapshot" AS "snapshot"
3633 ON "snapshot"."issue_id" = "issue"."id"
3634 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3635 AND "snapshot"."member_id" = "opinion"."member_id"
3636 WHERE "issue"."id" = "issue_id_p"
3637 AND "opinion"."suggestion_id" = "suggestion_id_v"
3638 AND "opinion"."degree" = -2
3639 AND "opinion"."fulfilled" = FALSE
3640 ),
3641 "minus2_fulfilled_count" = (
3642 SELECT coalesce(sum("snapshot"."weight"), 0)
3643 FROM "issue" CROSS JOIN "opinion"
3644 JOIN "direct_interest_snapshot" AS "snapshot"
3645 ON "snapshot"."issue_id" = "issue"."id"
3646 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3647 AND "snapshot"."member_id" = "opinion"."member_id"
3648 WHERE "issue"."id" = "issue_id_p"
3649 AND "opinion"."suggestion_id" = "suggestion_id_v"
3650 AND "opinion"."degree" = -2
3651 AND "opinion"."fulfilled" = TRUE
3652 ),
3653 "minus1_unfulfilled_count" = (
3654 SELECT coalesce(sum("snapshot"."weight"), 0)
3655 FROM "issue" CROSS JOIN "opinion"
3656 JOIN "direct_interest_snapshot" AS "snapshot"
3657 ON "snapshot"."issue_id" = "issue"."id"
3658 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3659 AND "snapshot"."member_id" = "opinion"."member_id"
3660 WHERE "issue"."id" = "issue_id_p"
3661 AND "opinion"."suggestion_id" = "suggestion_id_v"
3662 AND "opinion"."degree" = -1
3663 AND "opinion"."fulfilled" = FALSE
3664 ),
3665 "minus1_fulfilled_count" = (
3666 SELECT coalesce(sum("snapshot"."weight"), 0)
3667 FROM "issue" CROSS JOIN "opinion"
3668 JOIN "direct_interest_snapshot" AS "snapshot"
3669 ON "snapshot"."issue_id" = "issue"."id"
3670 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3671 AND "snapshot"."member_id" = "opinion"."member_id"
3672 WHERE "issue"."id" = "issue_id_p"
3673 AND "opinion"."suggestion_id" = "suggestion_id_v"
3674 AND "opinion"."degree" = -1
3675 AND "opinion"."fulfilled" = TRUE
3676 ),
3677 "plus1_unfulfilled_count" = (
3678 SELECT coalesce(sum("snapshot"."weight"), 0)
3679 FROM "issue" CROSS JOIN "opinion"
3680 JOIN "direct_interest_snapshot" AS "snapshot"
3681 ON "snapshot"."issue_id" = "issue"."id"
3682 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3683 AND "snapshot"."member_id" = "opinion"."member_id"
3684 WHERE "issue"."id" = "issue_id_p"
3685 AND "opinion"."suggestion_id" = "suggestion_id_v"
3686 AND "opinion"."degree" = 1
3687 AND "opinion"."fulfilled" = FALSE
3688 ),
3689 "plus1_fulfilled_count" = (
3690 SELECT coalesce(sum("snapshot"."weight"), 0)
3691 FROM "issue" CROSS JOIN "opinion"
3692 JOIN "direct_interest_snapshot" AS "snapshot"
3693 ON "snapshot"."issue_id" = "issue"."id"
3694 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3695 AND "snapshot"."member_id" = "opinion"."member_id"
3696 WHERE "issue"."id" = "issue_id_p"
3697 AND "opinion"."suggestion_id" = "suggestion_id_v"
3698 AND "opinion"."degree" = 1
3699 AND "opinion"."fulfilled" = TRUE
3700 ),
3701 "plus2_unfulfilled_count" = (
3702 SELECT coalesce(sum("snapshot"."weight"), 0)
3703 FROM "issue" CROSS JOIN "opinion"
3704 JOIN "direct_interest_snapshot" AS "snapshot"
3705 ON "snapshot"."issue_id" = "issue"."id"
3706 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3707 AND "snapshot"."member_id" = "opinion"."member_id"
3708 WHERE "issue"."id" = "issue_id_p"
3709 AND "opinion"."suggestion_id" = "suggestion_id_v"
3710 AND "opinion"."degree" = 2
3711 AND "opinion"."fulfilled" = FALSE
3712 ),
3713 "plus2_fulfilled_count" = (
3714 SELECT coalesce(sum("snapshot"."weight"), 0)
3715 FROM "issue" CROSS JOIN "opinion"
3716 JOIN "direct_interest_snapshot" AS "snapshot"
3717 ON "snapshot"."issue_id" = "issue"."id"
3718 AND "snapshot"."event" = "issue"."latest_snapshot_event"
3719 AND "snapshot"."member_id" = "opinion"."member_id"
3720 WHERE "issue"."id" = "issue_id_p"
3721 AND "opinion"."suggestion_id" = "suggestion_id_v"
3722 AND "opinion"."degree" = 2
3723 AND "opinion"."fulfilled" = TRUE
3724 )
3725 WHERE "suggestion"."id" = "suggestion_id_v";
3726 END LOOP;
3727 END LOOP;
3728 RETURN;
3729 END;
3730 $$;
3732 COMMENT ON FUNCTION "create_snapshot"
3733 ( "issue"."id"%TYPE )
3734 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.';
3737 CREATE FUNCTION "set_snapshot_event"
3738 ( "issue_id_p" "issue"."id"%TYPE,
3739 "event_p" "snapshot_event" )
3740 RETURNS VOID
3741 LANGUAGE 'plpgsql' VOLATILE AS $$
3742 DECLARE
3743 "event_v" "issue"."latest_snapshot_event"%TYPE;
3744 BEGIN
3745 PERFORM "require_transaction_isolation"();
3746 SELECT "latest_snapshot_event" INTO "event_v" FROM "issue"
3747 WHERE "id" = "issue_id_p" FOR UPDATE;
3748 UPDATE "issue" SET "latest_snapshot_event" = "event_p"
3749 WHERE "id" = "issue_id_p";
3750 UPDATE "direct_population_snapshot" SET "event" = "event_p"
3751 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
3752 UPDATE "delegating_population_snapshot" SET "event" = "event_p"
3753 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
3754 UPDATE "direct_interest_snapshot" SET "event" = "event_p"
3755 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
3756 UPDATE "delegating_interest_snapshot" SET "event" = "event_p"
3757 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";
3758 UPDATE "direct_supporter_snapshot" SET "event" = "event_p"
3759 FROM "initiative" -- NOTE: due to missing index on issue_id
3760 WHERE "initiative"."issue_id" = "issue_id_p"
3761 AND "direct_supporter_snapshot"."initiative_id" = "initiative"."id"
3762 AND "direct_supporter_snapshot"."event" = "event_v";
3763 RETURN;
3764 END;
3765 $$;
3767 COMMENT ON FUNCTION "set_snapshot_event"
3768 ( "issue"."id"%TYPE,
3769 "snapshot_event" )
3770 IS 'Change "event" attribute of the previous ''periodic'' snapshot';
3774 -----------------------
3775 -- Counting of votes --
3776 -----------------------
3779 CREATE FUNCTION "weight_of_added_vote_delegations"
3780 ( "issue_id_p" "issue"."id"%TYPE,
3781 "member_id_p" "member"."id"%TYPE,
3782 "delegate_member_ids_p" "delegating_voter"."delegate_member_ids"%TYPE )
3783 RETURNS "direct_voter"."weight"%TYPE
3784 LANGUAGE 'plpgsql' VOLATILE AS $$
3785 DECLARE
3786 "issue_delegation_row" "issue_delegation"%ROWTYPE;
3787 "delegate_member_ids_v" "delegating_voter"."delegate_member_ids"%TYPE;
3788 "weight_v" INT4;
3789 "sub_weight_v" INT4;
3790 BEGIN
3791 PERFORM "require_transaction_isolation"();
3792 "weight_v" := 0;
3793 FOR "issue_delegation_row" IN
3794 SELECT * FROM "issue_delegation"
3795 WHERE "trustee_id" = "member_id_p"
3796 AND "issue_id" = "issue_id_p"
3797 LOOP
3798 IF NOT EXISTS (
3799 SELECT NULL FROM "direct_voter"
3800 WHERE "member_id" = "issue_delegation_row"."truster_id"
3801 AND "issue_id" = "issue_id_p"
3802 ) AND NOT EXISTS (
3803 SELECT NULL FROM "delegating_voter"
3804 WHERE "member_id" = "issue_delegation_row"."truster_id"
3805 AND "issue_id" = "issue_id_p"
3806 ) THEN
3807 "delegate_member_ids_v" :=
3808 "member_id_p" || "delegate_member_ids_p";
3809 INSERT INTO "delegating_voter" (
3810 "issue_id",
3811 "member_id",
3812 "scope",
3813 "delegate_member_ids"
3814 ) VALUES (
3815 "issue_id_p",
3816 "issue_delegation_row"."truster_id",
3817 "issue_delegation_row"."scope",
3818 "delegate_member_ids_v"
3819 );
3820 "sub_weight_v" := 1 +
3821 "weight_of_added_vote_delegations"(
3822 "issue_id_p",
3823 "issue_delegation_row"."truster_id",
3824 "delegate_member_ids_v"
3825 );
3826 UPDATE "delegating_voter"
3827 SET "weight" = "sub_weight_v"
3828 WHERE "issue_id" = "issue_id_p"
3829 AND "member_id" = "issue_delegation_row"."truster_id";
3830 "weight_v" := "weight_v" + "sub_weight_v";
3831 END IF;
3832 END LOOP;
3833 RETURN "weight_v";
3834 END;
3835 $$;
3837 COMMENT ON FUNCTION "weight_of_added_vote_delegations"
3838 ( "issue"."id"%TYPE,
3839 "member"."id"%TYPE,
3840 "delegating_voter"."delegate_member_ids"%TYPE )
3841 IS 'Helper function for "add_vote_delegations" function';
3844 CREATE FUNCTION "add_vote_delegations"
3845 ( "issue_id_p" "issue"."id"%TYPE )
3846 RETURNS VOID
3847 LANGUAGE 'plpgsql' VOLATILE AS $$
3848 DECLARE
3849 "member_id_v" "member"."id"%TYPE;
3850 BEGIN
3851 PERFORM "require_transaction_isolation"();
3852 FOR "member_id_v" IN
3853 SELECT "member_id" FROM "direct_voter"
3854 WHERE "issue_id" = "issue_id_p"
3855 LOOP
3856 UPDATE "direct_voter" SET
3857 "weight" = "weight" + "weight_of_added_vote_delegations"(
3858 "issue_id_p",
3859 "member_id_v",
3860 '{}'
3861 )
3862 WHERE "member_id" = "member_id_v"
3863 AND "issue_id" = "issue_id_p";
3864 END LOOP;
3865 RETURN;
3866 END;
3867 $$;
3869 COMMENT ON FUNCTION "add_vote_delegations"
3870 ( "issue_id_p" "issue"."id"%TYPE )
3871 IS 'Helper function for "close_voting" function';
3874 CREATE FUNCTION "close_voting"("issue_id_p" "issue"."id"%TYPE)
3875 RETURNS VOID
3876 LANGUAGE 'plpgsql' VOLATILE AS $$
3877 DECLARE
3878 "area_id_v" "area"."id"%TYPE;
3879 "unit_id_v" "unit"."id"%TYPE;
3880 "member_id_v" "member"."id"%TYPE;
3881 BEGIN
3882 PERFORM "require_transaction_isolation"();
3883 SELECT "area_id" INTO "area_id_v" FROM "issue" WHERE "id" = "issue_id_p";
3884 SELECT "unit_id" INTO "unit_id_v" FROM "area" WHERE "id" = "area_id_v";
3885 -- override protection triggers:
3886 INSERT INTO "temporary_transaction_data" ("key", "value")
3887 VALUES ('override_protection_triggers', TRUE::TEXT);
3888 -- delete timestamp of voting comment:
3889 UPDATE "direct_voter" SET "comment_changed" = NULL
3890 WHERE "issue_id" = "issue_id_p";
3891 -- delete delegating votes (in cases of manual reset of issue state):
3892 DELETE FROM "delegating_voter"
3893 WHERE "issue_id" = "issue_id_p";
3894 -- delete votes from non-privileged voters:
3895 DELETE FROM "direct_voter"
3896 USING (
3897 SELECT
3898 "direct_voter"."member_id"
3899 FROM "direct_voter"
3900 JOIN "member" ON "direct_voter"."member_id" = "member"."id"
3901 LEFT JOIN "privilege"
3902 ON "privilege"."unit_id" = "unit_id_v"
3903 AND "privilege"."member_id" = "direct_voter"."member_id"
3904 WHERE "direct_voter"."issue_id" = "issue_id_p" AND (
3905 "member"."active" = FALSE OR
3906 "privilege"."voting_right" ISNULL OR
3907 "privilege"."voting_right" = FALSE
3908 )
3909 ) AS "subquery"
3910 WHERE "direct_voter"."issue_id" = "issue_id_p"
3911 AND "direct_voter"."member_id" = "subquery"."member_id";
3912 -- consider delegations:
3913 UPDATE "direct_voter" SET "weight" = 1
3914 WHERE "issue_id" = "issue_id_p";
3915 PERFORM "add_vote_delegations"("issue_id_p");
3916 -- mark first preferences:
3917 UPDATE "vote" SET "first_preference" = "subquery"."first_preference"
3918 FROM (
3919 SELECT
3920 "vote"."initiative_id",
3921 "vote"."member_id",
3922 CASE WHEN "vote"."grade" > 0 THEN
3923 CASE WHEN "vote"."grade" = max("agg"."grade") THEN TRUE ELSE FALSE END
3924 ELSE NULL
3925 END AS "first_preference"
3926 FROM "vote"
3927 JOIN "initiative" -- NOTE: due to missing index on issue_id
3928 ON "vote"."issue_id" = "initiative"."issue_id"
3929 JOIN "vote" AS "agg"
3930 ON "initiative"."id" = "agg"."initiative_id"
3931 AND "vote"."member_id" = "agg"."member_id"
3932 GROUP BY "vote"."initiative_id", "vote"."member_id", "vote"."grade"
3933 ) AS "subquery"
3934 WHERE "vote"."issue_id" = "issue_id_p"
3935 AND "vote"."initiative_id" = "subquery"."initiative_id"
3936 AND "vote"."member_id" = "subquery"."member_id";
3937 -- finish overriding protection triggers (avoids garbage):
3938 DELETE FROM "temporary_transaction_data"
3939 WHERE "key" = 'override_protection_triggers';
3940 -- materialize battle_view:
3941 -- NOTE: "closed" column of issue must be set at this point
3942 DELETE FROM "battle" WHERE "issue_id" = "issue_id_p";
3943 INSERT INTO "battle" (
3944 "issue_id",
3945 "winning_initiative_id", "losing_initiative_id",
3946 "count"
3947 ) SELECT
3948 "issue_id",
3949 "winning_initiative_id", "losing_initiative_id",
3950 "count"
3951 FROM "battle_view" WHERE "issue_id" = "issue_id_p";
3952 -- set voter count:
3953 UPDATE "issue" SET
3954 "voter_count" = (
3955 SELECT coalesce(sum("weight"), 0)
3956 FROM "direct_voter" WHERE "issue_id" = "issue_id_p"
3957 )
3958 WHERE "id" = "issue_id_p";
3959 -- copy "positive_votes" and "negative_votes" from "battle" table:
3960 -- NOTE: "first_preference_votes" is set to a default of 0 at this step
3961 UPDATE "initiative" SET
3962 "first_preference_votes" = 0,
3963 "positive_votes" = "battle_win"."count",
3964 "negative_votes" = "battle_lose"."count"
3965 FROM "battle" AS "battle_win", "battle" AS "battle_lose"
3966 WHERE
3967 "battle_win"."issue_id" = "issue_id_p" AND
3968 "battle_win"."winning_initiative_id" = "initiative"."id" AND
3969 "battle_win"."losing_initiative_id" ISNULL AND
3970 "battle_lose"."issue_id" = "issue_id_p" AND
3971 "battle_lose"."losing_initiative_id" = "initiative"."id" AND
3972 "battle_lose"."winning_initiative_id" ISNULL;
3973 -- calculate "first_preference_votes":
3974 -- NOTE: will only set values not equal to zero
3975 UPDATE "initiative" SET "first_preference_votes" = "subquery"."sum"
3976 FROM (
3977 SELECT "vote"."initiative_id", sum("direct_voter"."weight")
3978 FROM "vote" JOIN "direct_voter"
3979 ON "vote"."issue_id" = "direct_voter"."issue_id"
3980 AND "vote"."member_id" = "direct_voter"."member_id"
3981 WHERE "vote"."first_preference"
3982 GROUP BY "vote"."initiative_id"
3983 ) AS "subquery"
3984 WHERE "initiative"."issue_id" = "issue_id_p"
3985 AND "initiative"."admitted"
3986 AND "initiative"."id" = "subquery"."initiative_id";
3987 END;
3988 $$;
3990 COMMENT ON FUNCTION "close_voting"
3991 ( "issue"."id"%TYPE )
3992 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.';
3995 CREATE FUNCTION "defeat_strength"
3996 ( "positive_votes_p" INT4,
3997 "negative_votes_p" INT4,
3998 "defeat_strength_p" "defeat_strength" )
3999 RETURNS INT8
4000 LANGUAGE 'plpgsql' IMMUTABLE AS $$
4001 BEGIN
4002 IF "defeat_strength_p" = 'simple'::"defeat_strength" THEN
4003 IF "positive_votes_p" > "negative_votes_p" THEN
4004 RETURN "positive_votes_p";
4005 ELSE
4006 RETURN 0;
4007 END IF;
4008 ELSE
4009 IF "positive_votes_p" > "negative_votes_p" THEN
4010 RETURN ("positive_votes_p"::INT8 << 31) - "negative_votes_p"::INT8;
4011 ELSIF "positive_votes_p" = "negative_votes_p" THEN
4012 RETURN 0;
4013 ELSE
4014 RETURN -1;
4015 END IF;
4016 END IF;
4017 END;
4018 $$;
4020 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")';
4023 CREATE FUNCTION "secondary_link_strength"
4024 ( "initiative1_ord_p" INT4,
4025 "initiative2_ord_p" INT4,
4026 "tie_breaking_p" "tie_breaking" )
4027 RETURNS INT8
4028 LANGUAGE 'plpgsql' IMMUTABLE AS $$
4029 BEGIN
4030 IF "initiative1_ord_p" = "initiative2_ord_p" THEN
4031 RAISE EXCEPTION 'Identical initiative ids passed to "secondary_link_strength" function (should not happen)';
4032 END IF;
4033 RETURN (
4034 CASE WHEN "tie_breaking_p" = 'simple'::"tie_breaking" THEN
4035 0
4036 ELSE
4037 CASE WHEN "initiative1_ord_p" < "initiative2_ord_p" THEN
4038 1::INT8 << 62
4039 ELSE 0 END
4040 +
4041 CASE WHEN "tie_breaking_p" = 'variant2'::"tie_breaking" THEN
4042 ("initiative2_ord_p"::INT8 << 31) - "initiative1_ord_p"::INT8
4043 ELSE
4044 "initiative2_ord_p"::INT8 - ("initiative1_ord_p"::INT8 << 31)
4045 END
4046 END
4047 );
4048 END;
4049 $$;
4051 COMMENT ON FUNCTION "secondary_link_strength"(INT4, INT4, "tie_breaking") IS 'Calculates a secondary criterion for the defeat strength (tie-breaking of the links)';
4054 CREATE TYPE "link_strength" AS (
4055 "primary" INT8,
4056 "secondary" INT8 );
4058 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'')';
4061 CREATE FUNCTION "find_best_paths"("matrix_d" "link_strength"[][])
4062 RETURNS "link_strength"[][]
4063 LANGUAGE 'plpgsql' IMMUTABLE AS $$
4064 DECLARE
4065 "dimension_v" INT4;
4066 "matrix_p" "link_strength"[][];
4067 "i" INT4;
4068 "j" INT4;
4069 "k" INT4;
4070 BEGIN
4071 "dimension_v" := array_upper("matrix_d", 1);
4072 "matrix_p" := "matrix_d";
4073 "i" := 1;
4074 LOOP
4075 "j" := 1;
4076 LOOP
4077 IF "i" != "j" THEN
4078 "k" := 1;
4079 LOOP
4080 IF "i" != "k" AND "j" != "k" THEN
4081 IF "matrix_p"["j"]["i"] < "matrix_p"["i"]["k"] THEN
4082 IF "matrix_p"["j"]["i"] > "matrix_p"["j"]["k"] THEN
4083 "matrix_p"["j"]["k"] := "matrix_p"["j"]["i"];
4084 END IF;
4085 ELSE
4086 IF "matrix_p"["i"]["k"] > "matrix_p"["j"]["k"] THEN
4087 "matrix_p"["j"]["k"] := "matrix_p"["i"]["k"];
4088 END IF;
4089 END IF;
4090 END IF;
4091 EXIT WHEN "k" = "dimension_v";
4092 "k" := "k" + 1;
4093 END LOOP;
4094 END IF;
4095 EXIT WHEN "j" = "dimension_v";
4096 "j" := "j" + 1;
4097 END LOOP;
4098 EXIT WHEN "i" = "dimension_v";
4099 "i" := "i" + 1;
4100 END LOOP;
4101 RETURN "matrix_p";
4102 END;
4103 $$;
4105 COMMENT ON FUNCTION "find_best_paths"("link_strength"[][]) IS 'Computes the strengths of the best beat-paths from a square matrix';
4108 CREATE FUNCTION "calculate_ranks"("issue_id_p" "issue"."id"%TYPE)
4109 RETURNS VOID
4110 LANGUAGE 'plpgsql' VOLATILE AS $$
4111 DECLARE
4112 "issue_row" "issue"%ROWTYPE;
4113 "policy_row" "policy"%ROWTYPE;
4114 "dimension_v" INT4;
4115 "matrix_a" INT4[][]; -- absolute votes
4116 "matrix_d" "link_strength"[][]; -- defeat strength (direct)
4117 "matrix_p" "link_strength"[][]; -- defeat strength (best path)
4118 "matrix_t" "link_strength"[][]; -- defeat strength (tie-breaking)
4119 "matrix_f" BOOLEAN[][]; -- forbidden link (tie-breaking)
4120 "matrix_b" BOOLEAN[][]; -- final order (who beats who)
4121 "i" INT4;
4122 "j" INT4;
4123 "m" INT4;
4124 "n" INT4;
4125 "battle_row" "battle"%ROWTYPE;
4126 "rank_ary" INT4[];
4127 "rank_v" INT4;
4128 "initiative_id_v" "initiative"."id"%TYPE;
4129 BEGIN
4130 PERFORM "require_transaction_isolation"();
4131 SELECT * INTO "issue_row"
4132 FROM "issue" WHERE "id" = "issue_id_p";
4133 SELECT * INTO "policy_row"
4134 FROM "policy" WHERE "id" = "issue_row"."policy_id";
4135 SELECT count(1) INTO "dimension_v"
4136 FROM "battle_participant" WHERE "issue_id" = "issue_id_p";
4137 -- create "matrix_a" with absolute number of votes in pairwise
4138 -- comparison:
4139 "matrix_a" := array_fill(NULL::INT4, ARRAY["dimension_v", "dimension_v"]);
4140 "i" := 1;
4141 "j" := 2;
4142 FOR "battle_row" IN
4143 SELECT * FROM "battle" WHERE "issue_id" = "issue_id_p"
4144 ORDER BY
4145 "winning_initiative_id" NULLS FIRST,
4146 "losing_initiative_id" NULLS FIRST
4147 LOOP
4148 "matrix_a"["i"]["j"] := "battle_row"."count";
4149 IF "j" = "dimension_v" THEN
4150 "i" := "i" + 1;
4151 "j" := 1;
4152 ELSE
4153 "j" := "j" + 1;
4154 IF "j" = "i" THEN
4155 "j" := "j" + 1;
4156 END IF;
4157 END IF;
4158 END LOOP;
4159 IF "i" != "dimension_v" OR "j" != "dimension_v" + 1 THEN
4160 RAISE EXCEPTION 'Wrong battle count (should not happen)';
4161 END IF;
4162 -- store direct defeat strengths in "matrix_d" using "defeat_strength"
4163 -- and "secondary_link_strength" functions:
4164 "matrix_d" := array_fill(NULL::INT8, ARRAY["dimension_v", "dimension_v"]);
4165 "i" := 1;
4166 LOOP
4167 "j" := 1;
4168 LOOP
4169 IF "i" != "j" THEN
4170 "matrix_d"["i"]["j"] := (
4171 "defeat_strength"(
4172 "matrix_a"["i"]["j"],
4173 "matrix_a"["j"]["i"],
4174 "policy_row"."defeat_strength"
4175 ),
4176 "secondary_link_strength"(
4177 "i",
4178 "j",
4179 "policy_row"."tie_breaking"
4180 )
4181 )::"link_strength";
4182 END IF;
4183 EXIT WHEN "j" = "dimension_v";
4184 "j" := "j" + 1;
4185 END LOOP;
4186 EXIT WHEN "i" = "dimension_v";
4187 "i" := "i" + 1;
4188 END LOOP;
4189 -- find best paths:
4190 "matrix_p" := "find_best_paths"("matrix_d");
4191 -- create partial order:
4192 "matrix_b" := array_fill(NULL::BOOLEAN, ARRAY["dimension_v", "dimension_v"]);
4193 "i" := 1;
4194 LOOP
4195 "j" := "i" + 1;
4196 LOOP
4197 IF "i" != "j" THEN
4198 IF "matrix_p"["i"]["j"] > "matrix_p"["j"]["i"] THEN
4199 "matrix_b"["i"]["j"] := TRUE;
4200 "matrix_b"["j"]["i"] := FALSE;
4201 ELSIF "matrix_p"["i"]["j"] < "matrix_p"["j"]["i"] THEN
4202 "matrix_b"["i"]["j"] := FALSE;
4203 "matrix_b"["j"]["i"] := TRUE;
4204 END IF;
4205 END IF;
4206 EXIT WHEN "j" = "dimension_v";
4207 "j" := "j" + 1;
4208 END LOOP;
4209 EXIT WHEN "i" = "dimension_v" - 1;
4210 "i" := "i" + 1;
4211 END LOOP;
4212 -- tie-breaking by forbidding shared weakest links in beat-paths
4213 -- (unless "tie_breaking" is set to 'simple', in which case tie-breaking
4214 -- is performed later by initiative id):
4215 IF "policy_row"."tie_breaking" != 'simple'::"tie_breaking" THEN
4216 "m" := 1;
4217 LOOP
4218 "n" := "m" + 1;
4219 LOOP
4220 -- only process those candidates m and n, which are tied:
4221 IF "matrix_b"["m"]["n"] ISNULL THEN
4222 -- start with beat-paths prior tie-breaking:
4223 "matrix_t" := "matrix_p";
4224 -- start with all links allowed:
4225 "matrix_f" := array_fill(FALSE, ARRAY["dimension_v", "dimension_v"]);
4226 LOOP
4227 -- determine (and forbid) that link that is the weakest link
4228 -- in both the best path from candidate m to candidate n and
4229 -- from candidate n to candidate m:
4230 "i" := 1;
4231 <<forbid_one_link>>
4232 LOOP
4233 "j" := 1;
4234 LOOP
4235 IF "i" != "j" THEN
4236 IF "matrix_d"["i"]["j"] = "matrix_t"["m"]["n"] THEN
4237 "matrix_f"["i"]["j"] := TRUE;
4238 -- exit for performance reasons,
4239 -- as exactly one link will be found:
4240 EXIT forbid_one_link;
4241 END IF;
4242 END IF;
4243 EXIT WHEN "j" = "dimension_v";
4244 "j" := "j" + 1;
4245 END LOOP;
4246 IF "i" = "dimension_v" THEN
4247 RAISE EXCEPTION 'Did not find shared weakest link for tie-breaking (should not happen)';
4248 END IF;
4249 "i" := "i" + 1;
4250 END LOOP;
4251 -- calculate best beat-paths while ignoring forbidden links:
4252 "i" := 1;
4253 LOOP
4254 "j" := 1;
4255 LOOP
4256 IF "i" != "j" THEN
4257 "matrix_t"["i"]["j"] := CASE
4258 WHEN "matrix_f"["i"]["j"]
4259 THEN ((-1::INT8) << 63, 0)::"link_strength" -- worst possible value
4260 ELSE "matrix_d"["i"]["j"] END;
4261 END IF;
4262 EXIT WHEN "j" = "dimension_v";
4263 "j" := "j" + 1;
4264 END LOOP;
4265 EXIT WHEN "i" = "dimension_v";
4266 "i" := "i" + 1;
4267 END LOOP;
4268 "matrix_t" := "find_best_paths"("matrix_t");
4269 -- extend partial order, if tie-breaking was successful:
4270 IF "matrix_t"["m"]["n"] > "matrix_t"["n"]["m"] THEN
4271 "matrix_b"["m"]["n"] := TRUE;
4272 "matrix_b"["n"]["m"] := FALSE;
4273 EXIT;
4274 ELSIF "matrix_t"["m"]["n"] < "matrix_t"["n"]["m"] THEN
4275 "matrix_b"["m"]["n"] := FALSE;
4276 "matrix_b"["n"]["m"] := TRUE;
4277 EXIT;
4278 END IF;
4279 END LOOP;
4280 END IF;
4281 EXIT WHEN "n" = "dimension_v";
4282 "n" := "n" + 1;
4283 END LOOP;
4284 EXIT WHEN "m" = "dimension_v" - 1;
4285 "m" := "m" + 1;
4286 END LOOP;
4287 END IF;
4288 -- store a unique ranking in "rank_ary":
4289 "rank_ary" := array_fill(NULL::INT4, ARRAY["dimension_v"]);
4290 "rank_v" := 1;
4291 LOOP
4292 "i" := 1;
4293 <<assign_next_rank>>
4294 LOOP
4295 IF "rank_ary"["i"] ISNULL THEN
4296 "j" := 1;
4297 LOOP
4298 IF
4299 "i" != "j" AND
4300 "rank_ary"["j"] ISNULL AND
4301 ( "matrix_b"["j"]["i"] OR
4302 -- tie-breaking by "id"
4303 ( "matrix_b"["j"]["i"] ISNULL AND
4304 "j" < "i" ) )
4305 THEN
4306 -- someone else is better
4307 EXIT;
4308 END IF;
4309 IF "j" = "dimension_v" THEN
4310 -- noone is better
4311 "rank_ary"["i"] := "rank_v";
4312 EXIT assign_next_rank;
4313 END IF;
4314 "j" := "j" + 1;
4315 END LOOP;
4316 END IF;
4317 "i" := "i" + 1;
4318 IF "i" > "dimension_v" THEN
4319 RAISE EXCEPTION 'Schulze ranking does not compute (should not happen)';
4320 END IF;
4321 END LOOP;
4322 EXIT WHEN "rank_v" = "dimension_v";
4323 "rank_v" := "rank_v" + 1;
4324 END LOOP;
4325 -- write preliminary results:
4326 "i" := 2; -- omit status quo with "i" = 1
4327 FOR "initiative_id_v" IN
4328 SELECT "id" FROM "initiative"
4329 WHERE "issue_id" = "issue_id_p" AND "admitted"
4330 ORDER BY "id"
4331 LOOP
4332 UPDATE "initiative" SET
4333 "direct_majority" =
4334 CASE WHEN "policy_row"."direct_majority_strict" THEN
4335 "positive_votes" * "policy_row"."direct_majority_den" >
4336 "policy_row"."direct_majority_num" * ("positive_votes"+"negative_votes")
4337 ELSE
4338 "positive_votes" * "policy_row"."direct_majority_den" >=
4339 "policy_row"."direct_majority_num" * ("positive_votes"+"negative_votes")
4340 END
4341 AND "positive_votes" >= "policy_row"."direct_majority_positive"
4342 AND "issue_row"."voter_count"-"negative_votes" >=
4343 "policy_row"."direct_majority_non_negative",
4344 "indirect_majority" =
4345 CASE WHEN "policy_row"."indirect_majority_strict" THEN
4346 "positive_votes" * "policy_row"."indirect_majority_den" >
4347 "policy_row"."indirect_majority_num" * ("positive_votes"+"negative_votes")
4348 ELSE
4349 "positive_votes" * "policy_row"."indirect_majority_den" >=
4350 "policy_row"."indirect_majority_num" * ("positive_votes"+"negative_votes")
4351 END
4352 AND "positive_votes" >= "policy_row"."indirect_majority_positive"
4353 AND "issue_row"."voter_count"-"negative_votes" >=
4354 "policy_row"."indirect_majority_non_negative",
4355 "schulze_rank" = "rank_ary"["i"],
4356 "better_than_status_quo" = "rank_ary"["i"] < "rank_ary"[1],
4357 "worse_than_status_quo" = "rank_ary"["i"] > "rank_ary"[1],
4358 "multistage_majority" = "rank_ary"["i"] >= "rank_ary"[1],
4359 "reverse_beat_path" = CASE WHEN "policy_row"."defeat_strength" = 'simple'::"defeat_strength"
4360 THEN NULL
4361 ELSE "matrix_p"[1]["i"]."primary" >= 0 END,
4362 "eligible" = FALSE,
4363 "winner" = FALSE,
4364 "rank" = NULL -- NOTE: in cases of manual reset of issue state
4365 WHERE "id" = "initiative_id_v";
4366 "i" := "i" + 1;
4367 END LOOP;
4368 IF "i" != "dimension_v" + 1 THEN
4369 RAISE EXCEPTION 'Wrong winner count (should not happen)';
4370 END IF;
4371 -- take indirect majorities into account:
4372 LOOP
4373 UPDATE "initiative" SET "indirect_majority" = TRUE
4374 FROM (
4375 SELECT "new_initiative"."id" AS "initiative_id"
4376 FROM "initiative" "old_initiative"
4377 JOIN "initiative" "new_initiative"
4378 ON "new_initiative"."issue_id" = "issue_id_p"
4379 AND "new_initiative"."indirect_majority" = FALSE
4380 JOIN "battle" "battle_win"
4381 ON "battle_win"."issue_id" = "issue_id_p"
4382 AND "battle_win"."winning_initiative_id" = "new_initiative"."id"
4383 AND "battle_win"."losing_initiative_id" = "old_initiative"."id"
4384 JOIN "battle" "battle_lose"
4385 ON "battle_lose"."issue_id" = "issue_id_p"
4386 AND "battle_lose"."losing_initiative_id" = "new_initiative"."id"
4387 AND "battle_lose"."winning_initiative_id" = "old_initiative"."id"
4388 WHERE "old_initiative"."issue_id" = "issue_id_p"
4389 AND "old_initiative"."indirect_majority" = TRUE
4390 AND CASE WHEN "policy_row"."indirect_majority_strict" THEN
4391 "battle_win"."count" * "policy_row"."indirect_majority_den" >
4392 "policy_row"."indirect_majority_num" *
4393 ("battle_win"."count"+"battle_lose"."count")
4394 ELSE
4395 "battle_win"."count" * "policy_row"."indirect_majority_den" >=
4396 "policy_row"."indirect_majority_num" *
4397 ("battle_win"."count"+"battle_lose"."count")
4398 END
4399 AND "battle_win"."count" >= "policy_row"."indirect_majority_positive"
4400 AND "issue_row"."voter_count"-"battle_lose"."count" >=
4401 "policy_row"."indirect_majority_non_negative"
4402 ) AS "subquery"
4403 WHERE "id" = "subquery"."initiative_id";
4404 EXIT WHEN NOT FOUND;
4405 END LOOP;
4406 -- set "multistage_majority" for remaining matching initiatives:
4407 UPDATE "initiative" SET "multistage_majority" = TRUE
4408 FROM (
4409 SELECT "losing_initiative"."id" AS "initiative_id"
4410 FROM "initiative" "losing_initiative"
4411 JOIN "initiative" "winning_initiative"
4412 ON "winning_initiative"."issue_id" = "issue_id_p"
4413 AND "winning_initiative"."admitted"
4414 JOIN "battle" "battle_win"
4415 ON "battle_win"."issue_id" = "issue_id_p"
4416 AND "battle_win"."winning_initiative_id" = "winning_initiative"."id"
4417 AND "battle_win"."losing_initiative_id" = "losing_initiative"."id"
4418 JOIN "battle" "battle_lose"
4419 ON "battle_lose"."issue_id" = "issue_id_p"
4420 AND "battle_lose"."losing_initiative_id" = "winning_initiative"."id"
4421 AND "battle_lose"."winning_initiative_id" = "losing_initiative"."id"
4422 WHERE "losing_initiative"."issue_id" = "issue_id_p"
4423 AND "losing_initiative"."admitted"
4424 AND "winning_initiative"."schulze_rank" <
4425 "losing_initiative"."schulze_rank"
4426 AND "battle_win"."count" > "battle_lose"."count"
4427 AND (
4428 "battle_win"."count" > "winning_initiative"."positive_votes" OR
4429 "battle_lose"."count" < "losing_initiative"."negative_votes" )
4430 ) AS "subquery"
4431 WHERE "id" = "subquery"."initiative_id";
4432 -- mark eligible initiatives:
4433 UPDATE "initiative" SET "eligible" = TRUE
4434 WHERE "issue_id" = "issue_id_p"
4435 AND "initiative"."direct_majority"
4436 AND "initiative"."indirect_majority"
4437 AND "initiative"."better_than_status_quo"
4438 AND (
4439 "policy_row"."no_multistage_majority" = FALSE OR
4440 "initiative"."multistage_majority" = FALSE )
4441 AND (
4442 "policy_row"."no_reverse_beat_path" = FALSE OR
4443 coalesce("initiative"."reverse_beat_path", FALSE) = FALSE );
4444 -- mark final winner:
4445 UPDATE "initiative" SET "winner" = TRUE
4446 FROM (
4447 SELECT "id" AS "initiative_id"
4448 FROM "initiative"
4449 WHERE "issue_id" = "issue_id_p" AND "eligible"
4450 ORDER BY
4451 "schulze_rank",
4452 "id"
4453 LIMIT 1
4454 ) AS "subquery"
4455 WHERE "id" = "subquery"."initiative_id";
4456 -- write (final) ranks:
4457 "rank_v" := 1;
4458 FOR "initiative_id_v" IN
4459 SELECT "id"
4460 FROM "initiative"
4461 WHERE "issue_id" = "issue_id_p" AND "admitted"
4462 ORDER BY
4463 "winner" DESC,
4464 "eligible" DESC,
4465 "schulze_rank",
4466 "id"
4467 LOOP
4468 UPDATE "initiative" SET "rank" = "rank_v"
4469 WHERE "id" = "initiative_id_v";
4470 "rank_v" := "rank_v" + 1;
4471 END LOOP;
4472 -- set schulze rank of status quo and mark issue as finished:
4473 UPDATE "issue" SET
4474 "status_quo_schulze_rank" = "rank_ary"[1],
4475 "state" =
4476 CASE WHEN EXISTS (
4477 SELECT NULL FROM "initiative"
4478 WHERE "issue_id" = "issue_id_p" AND "winner"
4479 ) THEN
4480 'finished_with_winner'::"issue_state"
4481 ELSE
4482 'finished_without_winner'::"issue_state"
4483 END,
4484 "closed" = "phase_finished",
4485 "phase_finished" = NULL
4486 WHERE "id" = "issue_id_p";
4487 RETURN;
4488 END;
4489 $$;
4491 COMMENT ON FUNCTION "calculate_ranks"
4492 ( "issue"."id"%TYPE )
4493 IS 'Determine ranking (Votes have to be counted first)';
4497 -----------------------------
4498 -- Automatic state changes --
4499 -----------------------------
4502 CREATE TYPE "check_issue_persistence" AS (
4503 "state" "issue_state",
4504 "phase_finished" BOOLEAN,
4505 "issue_revoked" BOOLEAN,
4506 "snapshot_created" BOOLEAN,
4507 "harmonic_weights_set" BOOLEAN,
4508 "closed_voting" BOOLEAN );
4510 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';
4513 CREATE FUNCTION "check_issue"
4514 ( "issue_id_p" "issue"."id"%TYPE,
4515 "persist" "check_issue_persistence" )
4516 RETURNS "check_issue_persistence"
4517 LANGUAGE 'plpgsql' VOLATILE AS $$
4518 DECLARE
4519 "issue_row" "issue"%ROWTYPE;
4520 "policy_row" "policy"%ROWTYPE;
4521 "initiative_row" "initiative"%ROWTYPE;
4522 "state_v" "issue_state";
4523 BEGIN
4524 PERFORM "require_transaction_isolation"();
4525 IF "persist" ISNULL THEN
4526 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p"
4527 FOR UPDATE;
4528 IF "issue_row"."closed" NOTNULL THEN
4529 RETURN NULL;
4530 END IF;
4531 "persist"."state" := "issue_row"."state";
4532 IF
4533 ( "issue_row"."state" = 'admission' AND now() >=
4534 "issue_row"."created" + "issue_row"."max_admission_time" ) OR
4535 ( "issue_row"."state" = 'discussion' AND now() >=
4536 "issue_row"."accepted" + "issue_row"."discussion_time" ) OR
4537 ( "issue_row"."state" = 'verification' AND now() >=
4538 "issue_row"."half_frozen" + "issue_row"."verification_time" ) OR
4539 ( "issue_row"."state" = 'voting' AND now() >=
4540 "issue_row"."fully_frozen" + "issue_row"."voting_time" )
4541 THEN
4542 "persist"."phase_finished" := TRUE;
4543 ELSE
4544 "persist"."phase_finished" := FALSE;
4545 END IF;
4546 IF
4547 NOT EXISTS (
4548 -- all initiatives are revoked
4549 SELECT NULL FROM "initiative"
4550 WHERE "issue_id" = "issue_id_p" AND "revoked" ISNULL
4551 ) AND (
4552 -- and issue has not been accepted yet
4553 "persist"."state" = 'admission' OR
4554 -- or verification time has elapsed
4555 ( "persist"."state" = 'verification' AND
4556 "persist"."phase_finished" ) OR
4557 -- or no initiatives have been revoked lately
4558 NOT EXISTS (
4559 SELECT NULL FROM "initiative"
4560 WHERE "issue_id" = "issue_id_p"
4561 AND now() < "revoked" + "issue_row"."verification_time"
4562 )
4563 )
4564 THEN
4565 "persist"."issue_revoked" := TRUE;
4566 ELSE
4567 "persist"."issue_revoked" := FALSE;
4568 END IF;
4569 IF "persist"."phase_finished" OR "persist"."issue_revoked" THEN
4570 UPDATE "issue" SET "phase_finished" = now()
4571 WHERE "id" = "issue_row"."id";
4572 RETURN "persist";
4573 ELSIF
4574 "persist"."state" IN ('admission', 'discussion', 'verification')
4575 THEN
4576 RETURN "persist";
4577 ELSE
4578 RETURN NULL;
4579 END IF;
4580 END IF;
4581 IF
4582 "persist"."state" IN ('admission', 'discussion', 'verification') AND
4583 coalesce("persist"."snapshot_created", FALSE) = FALSE
4584 THEN
4585 PERFORM "create_snapshot"("issue_id_p");
4586 "persist"."snapshot_created" = TRUE;
4587 IF "persist"."phase_finished" THEN
4588 IF "persist"."state" = 'admission' THEN
4589 PERFORM "set_snapshot_event"("issue_id_p", 'end_of_admission');
4590 ELSIF "persist"."state" = 'discussion' THEN
4591 PERFORM "set_snapshot_event"("issue_id_p", 'half_freeze');
4592 ELSIF "persist"."state" = 'verification' THEN
4593 PERFORM "set_snapshot_event"("issue_id_p", 'full_freeze');
4594 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p";
4595 SELECT * INTO "policy_row" FROM "policy"
4596 WHERE "id" = "issue_row"."policy_id";
4597 FOR "initiative_row" IN
4598 SELECT * FROM "initiative"
4599 WHERE "issue_id" = "issue_id_p" AND "revoked" ISNULL
4600 FOR UPDATE
4601 LOOP
4602 IF
4603 "initiative_row"."polling" OR (
4604 "initiative_row"."satisfied_supporter_count" > 0 AND
4605 "initiative_row"."satisfied_supporter_count" *
4606 "policy_row"."initiative_quorum_den" >=
4607 "issue_row"."population" * "policy_row"."initiative_quorum_num"
4608 )
4609 THEN
4610 UPDATE "initiative" SET "admitted" = TRUE
4611 WHERE "id" = "initiative_row"."id";
4612 ELSE
4613 UPDATE "initiative" SET "admitted" = FALSE
4614 WHERE "id" = "initiative_row"."id";
4615 END IF;
4616 END LOOP;
4617 END IF;
4618 END IF;
4619 RETURN "persist";
4620 END IF;
4621 IF
4622 "persist"."state" IN ('admission', 'discussion', 'verification') AND
4623 coalesce("persist"."harmonic_weights_set", FALSE) = FALSE
4624 THEN
4625 PERFORM "set_harmonic_initiative_weights"("issue_id_p");
4626 "persist"."harmonic_weights_set" = TRUE;
4627 IF
4628 "persist"."phase_finished" OR
4629 "persist"."issue_revoked" OR
4630 "persist"."state" = 'admission'
4631 THEN
4632 RETURN "persist";
4633 ELSE
4634 RETURN NULL;
4635 END IF;
4636 END IF;
4637 IF "persist"."issue_revoked" THEN
4638 IF "persist"."state" = 'admission' THEN
4639 "state_v" := 'canceled_revoked_before_accepted';
4640 ELSIF "persist"."state" = 'discussion' THEN
4641 "state_v" := 'canceled_after_revocation_during_discussion';
4642 ELSIF "persist"."state" = 'verification' THEN
4643 "state_v" := 'canceled_after_revocation_during_verification';
4644 END IF;
4645 UPDATE "issue" SET
4646 "state" = "state_v",
4647 "closed" = "phase_finished",
4648 "phase_finished" = NULL
4649 WHERE "id" = "issue_id_p";
4650 RETURN NULL;
4651 END IF;
4652 IF "persist"."state" = 'admission' THEN
4653 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p"
4654 FOR UPDATE;
4655 SELECT * INTO "policy_row"
4656 FROM "policy" WHERE "id" = "issue_row"."policy_id";
4657 IF
4658 ( now() >=
4659 "issue_row"."created" + "issue_row"."min_admission_time" ) AND
4660 EXISTS (
4661 SELECT NULL FROM "initiative"
4662 WHERE "issue_id" = "issue_id_p"
4663 AND "supporter_count" > 0
4664 AND "supporter_count" * "policy_row"."issue_quorum_den"
4665 >= "issue_row"."population" * "policy_row"."issue_quorum_num"
4666 )
4667 THEN
4668 UPDATE "issue" SET
4669 "state" = 'discussion',
4670 "accepted" = coalesce("phase_finished", now()),
4671 "phase_finished" = NULL
4672 WHERE "id" = "issue_id_p";
4673 ELSIF "issue_row"."phase_finished" NOTNULL THEN
4674 UPDATE "issue" SET
4675 "state" = 'canceled_issue_not_accepted',
4676 "closed" = "phase_finished",
4677 "phase_finished" = NULL
4678 WHERE "id" = "issue_id_p";
4679 END IF;
4680 RETURN NULL;
4681 END IF;
4682 IF "persist"."phase_finished" THEN
4683 IF "persist"."state" = 'discussion' THEN
4684 UPDATE "issue" SET
4685 "state" = 'verification',
4686 "half_frozen" = "phase_finished",
4687 "phase_finished" = NULL
4688 WHERE "id" = "issue_id_p";
4689 RETURN NULL;
4690 END IF;
4691 IF "persist"."state" = 'verification' THEN
4692 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p"
4693 FOR UPDATE;
4694 SELECT * INTO "policy_row" FROM "policy"
4695 WHERE "id" = "issue_row"."policy_id";
4696 IF EXISTS (
4697 SELECT NULL FROM "initiative"
4698 WHERE "issue_id" = "issue_id_p" AND "admitted" = TRUE
4699 ) THEN
4700 UPDATE "issue" SET
4701 "state" = 'voting',
4702 "fully_frozen" = "phase_finished",
4703 "phase_finished" = NULL
4704 WHERE "id" = "issue_id_p";
4705 ELSE
4706 UPDATE "issue" SET
4707 "state" = 'canceled_no_initiative_admitted',
4708 "fully_frozen" = "phase_finished",
4709 "closed" = "phase_finished",
4710 "phase_finished" = NULL
4711 WHERE "id" = "issue_id_p";
4712 -- NOTE: The following DELETE statements have effect only when
4713 -- issue state has been manipulated
4714 DELETE FROM "direct_voter" WHERE "issue_id" = "issue_id_p";
4715 DELETE FROM "delegating_voter" WHERE "issue_id" = "issue_id_p";
4716 DELETE FROM "battle" WHERE "issue_id" = "issue_id_p";
4717 END IF;
4718 RETURN NULL;
4719 END IF;
4720 IF "persist"."state" = 'voting' THEN
4721 IF coalesce("persist"."closed_voting", FALSE) = FALSE THEN
4722 PERFORM "close_voting"("issue_id_p");
4723 "persist"."closed_voting" = TRUE;
4724 RETURN "persist";
4725 END IF;
4726 PERFORM "calculate_ranks"("issue_id_p");
4727 RETURN NULL;
4728 END IF;
4729 END IF;
4730 RAISE WARNING 'should not happen';
4731 RETURN NULL;
4732 END;
4733 $$;
4735 COMMENT ON FUNCTION "check_issue"
4736 ( "issue"."id"%TYPE,
4737 "check_issue_persistence" )
4738 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")';
4741 CREATE FUNCTION "check_everything"()
4742 RETURNS VOID
4743 LANGUAGE 'plpgsql' VOLATILE AS $$
4744 DECLARE
4745 "issue_id_v" "issue"."id"%TYPE;
4746 "persist_v" "check_issue_persistence";
4747 BEGIN
4748 RAISE WARNING 'Function "check_everything" should only be used for development and debugging purposes';
4749 DELETE FROM "expired_session";
4750 PERFORM "check_activity"();
4751 PERFORM "calculate_member_counts"();
4752 FOR "issue_id_v" IN SELECT "id" FROM "open_issue" LOOP
4753 "persist_v" := NULL;
4754 LOOP
4755 "persist_v" := "check_issue"("issue_id_v", "persist_v");
4756 EXIT WHEN "persist_v" ISNULL;
4757 END LOOP;
4758 END LOOP;
4759 RETURN;
4760 END;
4761 $$;
4763 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.';
4767 ----------------------
4768 -- Deletion of data --
4769 ----------------------
4772 CREATE FUNCTION "clean_issue"("issue_id_p" "issue"."id"%TYPE)
4773 RETURNS VOID
4774 LANGUAGE 'plpgsql' VOLATILE AS $$
4775 BEGIN
4776 IF EXISTS (
4777 SELECT NULL FROM "issue" WHERE "id" = "issue_id_p" AND "cleaned" ISNULL
4778 ) THEN
4779 -- override protection triggers:
4780 INSERT INTO "temporary_transaction_data" ("key", "value")
4781 VALUES ('override_protection_triggers', TRUE::TEXT);
4782 -- clean data:
4783 DELETE FROM "delegating_voter"
4784 WHERE "issue_id" = "issue_id_p";
4785 DELETE FROM "direct_voter"
4786 WHERE "issue_id" = "issue_id_p";
4787 DELETE FROM "delegating_interest_snapshot"
4788 WHERE "issue_id" = "issue_id_p";
4789 DELETE FROM "direct_interest_snapshot"
4790 WHERE "issue_id" = "issue_id_p";
4791 DELETE FROM "delegating_population_snapshot"
4792 WHERE "issue_id" = "issue_id_p";
4793 DELETE FROM "direct_population_snapshot"
4794 WHERE "issue_id" = "issue_id_p";
4795 DELETE FROM "non_voter"
4796 WHERE "issue_id" = "issue_id_p";
4797 DELETE FROM "delegation"
4798 WHERE "issue_id" = "issue_id_p";
4799 DELETE FROM "supporter"
4800 USING "initiative" -- NOTE: due to missing index on issue_id
4801 WHERE "initiative"."issue_id" = "issue_id_p"
4802 AND "supporter"."initiative_id" = "initiative_id";
4803 -- mark issue as cleaned:
4804 UPDATE "issue" SET "cleaned" = now() WHERE "id" = "issue_id_p";
4805 -- finish overriding protection triggers (avoids garbage):
4806 DELETE FROM "temporary_transaction_data"
4807 WHERE "key" = 'override_protection_triggers';
4808 END IF;
4809 RETURN;
4810 END;
4811 $$;
4813 COMMENT ON FUNCTION "clean_issue"("issue"."id"%TYPE) IS 'Delete discussion data and votes belonging to an issue';
4816 CREATE FUNCTION "delete_member"("member_id_p" "member"."id"%TYPE)
4817 RETURNS VOID
4818 LANGUAGE 'plpgsql' VOLATILE AS $$
4819 BEGIN
4820 UPDATE "member" SET
4821 "last_login" = NULL,
4822 "last_delegation_check" = NULL,
4823 "login" = NULL,
4824 "password" = NULL,
4825 "authority" = NULL,
4826 "authority_uid" = NULL,
4827 "authority_login" = NULL,
4828 "locked" = TRUE,
4829 "active" = FALSE,
4830 "notify_email" = NULL,
4831 "notify_email_unconfirmed" = NULL,
4832 "notify_email_secret" = NULL,
4833 "notify_email_secret_expiry" = NULL,
4834 "notify_email_lock_expiry" = NULL,
4835 "login_recovery_expiry" = NULL,
4836 "password_reset_secret" = NULL,
4837 "password_reset_secret_expiry" = NULL,
4838 "organizational_unit" = NULL,
4839 "internal_posts" = NULL,
4840 "realname" = NULL,
4841 "birthday" = NULL,
4842 "address" = NULL,
4843 "email" = NULL,
4844 "xmpp_address" = NULL,
4845 "website" = NULL,
4846 "phone" = NULL,
4847 "mobile_phone" = NULL,
4848 "profession" = NULL,
4849 "external_memberships" = NULL,
4850 "external_posts" = NULL,
4851 "statement" = NULL
4852 WHERE "id" = "member_id_p";
4853 -- "text_search_data" is updated by triggers
4854 DELETE FROM "setting" WHERE "member_id" = "member_id_p";
4855 DELETE FROM "setting_map" WHERE "member_id" = "member_id_p";
4856 DELETE FROM "member_relation_setting" WHERE "member_id" = "member_id_p";
4857 DELETE FROM "member_image" WHERE "member_id" = "member_id_p";
4858 DELETE FROM "contact" WHERE "member_id" = "member_id_p";
4859 DELETE FROM "ignored_member" WHERE "member_id" = "member_id_p";
4860 DELETE FROM "session" WHERE "member_id" = "member_id_p";
4861 DELETE FROM "area_setting" WHERE "member_id" = "member_id_p";
4862 DELETE FROM "issue_setting" WHERE "member_id" = "member_id_p";
4863 DELETE FROM "ignored_initiative" WHERE "member_id" = "member_id_p";
4864 DELETE FROM "initiative_setting" WHERE "member_id" = "member_id_p";
4865 DELETE FROM "suggestion_setting" WHERE "member_id" = "member_id_p";
4866 DELETE FROM "membership" WHERE "member_id" = "member_id_p";
4867 DELETE FROM "delegation" WHERE "truster_id" = "member_id_p";
4868 DELETE FROM "non_voter" WHERE "member_id" = "member_id_p";
4869 DELETE FROM "direct_voter" USING "issue"
4870 WHERE "direct_voter"."issue_id" = "issue"."id"
4871 AND "issue"."closed" ISNULL
4872 AND "member_id" = "member_id_p";
4873 RETURN;
4874 END;
4875 $$;
4877 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)';
4880 CREATE FUNCTION "delete_private_data"()
4881 RETURNS VOID
4882 LANGUAGE 'plpgsql' VOLATILE AS $$
4883 BEGIN
4884 DELETE FROM "temporary_transaction_data";
4885 DELETE FROM "member" WHERE "activated" ISNULL;
4886 UPDATE "member" SET
4887 "invite_code" = NULL,
4888 "invite_code_expiry" = NULL,
4889 "admin_comment" = NULL,
4890 "last_login" = NULL,
4891 "last_delegation_check" = NULL,
4892 "login" = NULL,
4893 "password" = NULL,
4894 "authority" = NULL,
4895 "authority_uid" = NULL,
4896 "authority_login" = NULL,
4897 "lang" = NULL,
4898 "notify_email" = NULL,
4899 "notify_email_unconfirmed" = NULL,
4900 "notify_email_secret" = NULL,
4901 "notify_email_secret_expiry" = NULL,
4902 "notify_email_lock_expiry" = NULL,
4903 "notify_level" = NULL,
4904 "login_recovery_expiry" = NULL,
4905 "password_reset_secret" = NULL,
4906 "password_reset_secret_expiry" = NULL,
4907 "organizational_unit" = NULL,
4908 "internal_posts" = NULL,
4909 "realname" = NULL,
4910 "birthday" = NULL,
4911 "address" = NULL,
4912 "email" = NULL,
4913 "xmpp_address" = NULL,
4914 "website" = NULL,
4915 "phone" = NULL,
4916 "mobile_phone" = NULL,
4917 "profession" = NULL,
4918 "external_memberships" = NULL,
4919 "external_posts" = NULL,
4920 "formatting_engine" = NULL,
4921 "statement" = NULL;
4922 -- "text_search_data" is updated by triggers
4923 DELETE FROM "setting";
4924 DELETE FROM "setting_map";
4925 DELETE FROM "member_relation_setting";
4926 DELETE FROM "member_image";
4927 DELETE FROM "contact";
4928 DELETE FROM "ignored_member";
4929 DELETE FROM "session";
4930 DELETE FROM "area_setting";
4931 DELETE FROM "issue_setting";
4932 DELETE FROM "ignored_initiative";
4933 DELETE FROM "initiative_setting";
4934 DELETE FROM "suggestion_setting";
4935 DELETE FROM "non_voter";
4936 DELETE FROM "direct_voter" USING "issue"
4937 WHERE "direct_voter"."issue_id" = "issue"."id"
4938 AND "issue"."closed" ISNULL;
4939 RETURN;
4940 END;
4941 $$;
4943 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.';
4947 COMMIT;