liquid_feedback_core: 82f0e365f418 core.sql

liquid_feedback_core

view core.sql @ 273:82f0e365f418

Hint in function "delete_private_data" for cases where different data shall be deleted

author	jbe
date	Thu Aug 09 00:27:38 2012 +0200 (2012-08-09)
parents	f9c324f0cfe5
children	fd496b372780

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 ('2.1.0', 2, 1, 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 "system_setting" (

58 "member_ttl" INTERVAL );

59 CREATE UNIQUE INDEX "system_setting_singleton_idx" ON "system_setting" ((1));

61 COMMENT ON TABLE "system_setting" IS 'This table contains only one row with different settings in each column.';

62 COMMENT ON INDEX "system_setting_singleton_idx" IS 'This index ensures that "system_setting" only contains one row maximum.';

64 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.';

67 CREATE TABLE "contingent" (

68 "time_frame" INTERVAL PRIMARY KEY,

69 "text_entry_limit" INT4,

70 "initiative_limit" INT4 );

72 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.';

74 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';

75 COMMENT ON COLUMN "contingent"."initiative_limit" IS 'Number of new initiatives to be opened by each member within a given time frame';

78 CREATE TYPE "notify_level" AS ENUM

79 ('none', 'voting', 'verification', 'discussion', 'all');

81 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';

84 CREATE TABLE "member" (

85 "id" SERIAL4 PRIMARY KEY,

86 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),

87 "invite_code" TEXT UNIQUE,

88 "invite_code_expiry" TIMESTAMPTZ,

89 "admin_comment" TEXT,

90 "activated" TIMESTAMPTZ,

91 "last_activity" DATE,

92 "last_login" TIMESTAMPTZ,

93 "login" TEXT UNIQUE,

94 "password" TEXT,

95 "locked" BOOLEAN NOT NULL DEFAULT FALSE,

96 "active" BOOLEAN NOT NULL DEFAULT FALSE,

97 "admin" BOOLEAN NOT NULL DEFAULT FALSE,

98 "lang" TEXT,

99 "notify_email" TEXT,

100 "notify_email_unconfirmed" TEXT,

101 "notify_email_secret" TEXT UNIQUE,

102 "notify_email_secret_expiry" TIMESTAMPTZ,

103 "notify_email_lock_expiry" TIMESTAMPTZ,

104 "notify_level" "notify_level",

105 "password_reset_secret" TEXT UNIQUE,

106 "password_reset_secret_expiry" TIMESTAMPTZ,

107 "name" TEXT UNIQUE,

108 "identification" TEXT UNIQUE,

109 "authentication" TEXT,

110 "organizational_unit" TEXT,

111 "internal_posts" TEXT,

112 "realname" TEXT,

113 "birthday" DATE,

114 "address" TEXT,

115 "email" TEXT,

116 "xmpp_address" TEXT,

117 "website" TEXT,

118 "phone" TEXT,

119 "mobile_phone" TEXT,

120 "profession" TEXT,

121 "external_memberships" TEXT,

122 "external_posts" TEXT,

123 "formatting_engine" TEXT,

124 "statement" TEXT,

125 "text_search_data" TSVECTOR,

126 CONSTRAINT "active_requires_activated_and_last_activity"

127 CHECK ("active" = FALSE OR ("activated" NOTNULL AND "last_activity" NOTNULL)),

128 CONSTRAINT "name_not_null_if_activated"

129 CHECK ("activated" ISNULL OR "name" NOTNULL) );

130 CREATE INDEX "member_active_idx" ON "member" ("active");

131 CREATE INDEX "member_text_search_data_idx" ON "member" USING gin ("text_search_data");

132 CREATE TRIGGER "update_text_search_data"

133 BEFORE INSERT OR UPDATE ON "member"

134 FOR EACH ROW EXECUTE PROCEDURE

135 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',

136 "name", "identification", "organizational_unit", "internal_posts",

137 "realname", "external_memberships", "external_posts", "statement" );

138

139 COMMENT ON TABLE "member" IS 'Users of the system, e.g. members of an organization';

140

141 COMMENT ON COLUMN "member"."created" IS 'Creation of member record and/or invite code';

142 COMMENT ON COLUMN "member"."invite_code" IS 'Optional invite code, to allow a member to initialize his/her account the first time';

143 COMMENT ON COLUMN "member"."invite_code_expiry" IS 'Expiry data/time for "invite_code"';

144 COMMENT ON COLUMN "member"."admin_comment" IS 'Hidden comment for administrative purposes';

145 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';

146 COMMENT ON COLUMN "member"."last_activity" IS 'Date of last activity of member; required to be set for "active" members';

147 COMMENT ON COLUMN "member"."last_login" IS 'Timestamp of last login';

148 COMMENT ON COLUMN "member"."login" IS 'Login name';

149 COMMENT ON COLUMN "member"."password" IS 'Password (preferably as crypto-hash, depending on the frontend or access layer)';

150 COMMENT ON COLUMN "member"."locked" IS 'Locked members can not log in.';

151 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".';

152 COMMENT ON COLUMN "member"."admin" IS 'TRUE for admins, which can administrate other users and setup policies and areas';

153 COMMENT ON COLUMN "member"."lang" IS 'Language code of the preferred language of the member';

154 COMMENT ON COLUMN "member"."notify_email" IS 'Email address where notifications of the system are sent to';

155 COMMENT ON COLUMN "member"."notify_email_unconfirmed" IS 'Unconfirmed email address provided by the member to be copied into "notify_email" field after verification';

156 COMMENT ON COLUMN "member"."notify_email_secret" IS 'Secret sent to the address in "notify_email_unconformed"';

157 COMMENT ON COLUMN "member"."notify_email_secret_expiry" IS 'Expiry date/time for "notify_email_secret"';

158 COMMENT ON COLUMN "member"."notify_email_lock_expiry" IS 'Date/time until no further email confirmation mails may be sent (abuse protection)';

159 COMMENT ON COLUMN "member"."notify_level" IS 'Selects which event notifications are to be sent to the "notify_email" mail address, may be NULL if member did not make any selection yet';

160 COMMENT ON COLUMN "member"."name" IS 'Distinct name of the member, may be NULL if account has not been activated yet';

161 COMMENT ON COLUMN "member"."identification" IS 'Optional identification number or code of the member';

162 COMMENT ON COLUMN "member"."authentication" IS 'Information about how this member was authenticated';

163 COMMENT ON COLUMN "member"."organizational_unit" IS 'Branch or division of the organization the member belongs to';

164 COMMENT ON COLUMN "member"."internal_posts" IS 'Posts (offices) of the member inside the organization';

165 COMMENT ON COLUMN "member"."realname" IS 'Real name of the member, may be identical with "name"';

166 COMMENT ON COLUMN "member"."email" IS 'Published email address of the member; not used for system notifications';

167 COMMENT ON COLUMN "member"."external_memberships" IS 'Other organizations the member is involved in';

168 COMMENT ON COLUMN "member"."external_posts" IS 'Posts (offices) outside the organization';

169 COMMENT ON COLUMN "member"."formatting_engine" IS 'Allows different formatting engines (i.e. wiki formats) to be used for "member"."statement"';

170 COMMENT ON COLUMN "member"."statement" IS 'Freely chosen text of the member for his/her profile';

171

172

173 CREATE TYPE "api_access_level" AS ENUM (

174 'none', 'anonymous', 'authors_pseudonymous', 'all_pseudonymous', 'everything', 'member' );

175

176

177 CREATE TABLE "api_client" (

178 "id" SERIAL8 PRIMARY KEY,

179 "name" TEXT,

180 UNIQUE ("member_id", "client_identifier"),

181 "member_id" INT4 REFERENCES "member" ("id")

182 ON DELETE CASCADE ON UPDATE CASCADE,

183 "client_identifier" TEXT NOT NULL,

184 "client_secret" TEXT,

185 "code_grant" BOOLEAN NOT NULL,

186 "token_grant" BOOLEAN NOT NULL,

187 "client_grant" BOOLEAN NOT NULL,

188 "code_grant_validity_period" INTERVAL,

189 "access_level" "api_access_level",

190 "client_grant_access_level" "api_access_level",

191 "last_usage" TIMESTAMPTZ NOT NULL,

192 CONSTRAINT "system_clients_require_name"

193 CHECK ("name" NOTNULL OR "member_id" ISNULL),

194 CONSTRAINT "code_grant_requires_validity_period"

195 CHECK ("code_grant"=FALSE OR "code_grant_validity_period" NOTNULL),

196 CONSTRAINT "code_or_token_grant_requires_access_level"

197 CHECK (("code_grant"=FALSE AND "token_grant"=FALSE) OR "access_level" NOTNULL),

198 CONSTRAINT "client_grant_requires_client_grant_access_level"

199 CHECK ("client_grant"=FALSE OR "client_grant_access_level" NOTNULL) );

200 CREATE UNIQUE INDEX "api_client_non_member_client_identifier_idx"

201 ON "api_client" ("client_identifier") WHERE "member_id" ISNULL;

202

203 COMMENT ON TABLE "api_client" IS 'Registered OAuth2 client for a member';

204

205 COMMENT ON COLUMN "api_client"."name" IS 'Name of the client as chosen by member or administrator, NULL is allowed for unnamed member-registered clients';

206 COMMENT ON COLUMN "api_client"."member_id" IS 'Member, who registered the client for him/herself, or NULL for clients registered by administrator';

207 COMMENT ON COLUMN "api_client"."client_identifier" IS 'OAuth2 client id, also used as redirection endpoint if "authorization_code_grant" or "implicit_grant" is set to TRUE';

208 COMMENT ON COLUMN "api_client"."client_secret" IS 'Secret for client authentication';

209 COMMENT ON COLUMN "api_client"."code_grant" IS 'Enable OAuth2 Authorization Code Grant';

210 COMMENT ON COLUMN "api_client"."token_grant" IS 'Enable OAuth2 Implicit Grant';

211 COMMENT ON COLUMN "api_client"."client_grant" IS 'Enable OAuth2 Client Credentials Grant';

212 COMMENT ON COLUMN "api_client"."code_grant_validity_period" IS 'Maximum validity period of OAuth2 Authorization Code Grant, after which no more refresh is possible';

213 COMMENT ON COLUMN "api_client"."access_level" IS 'Maximum access level for OAuth2 Authorization Code Grant and Implicit Grant';

214 COMMENT ON COLUMN "api_client"."client_grant_access_level" IS 'Maximum access level for OAuth2 Authorization Code Grant and Implicit Grant';

215 COMMENT ON COLUMN "api_client"."last_usage" IS 'Date/time when this client registration was last used';

216

217

218 CREATE TABLE "api_code_grant" (

219 "id" SERIAL8 PRIMARY KEY,

220 "api_client_id" INT8 NOT NULL REFERENCES "api_client" ("id")

221 ON DELETE CASCADE ON UPDATE CASCADE,

222 "member_id" INT4 REFERENCES "member" ("id")

223 ON DELETE CASCADE ON UPDATE CASCADE,

224 "access_level" "api_access_level" NOT NULL,

225 "validity_period" INTERVAL NOT NULL,

226 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),

227 "authorization_code" TEXT,

228 "refreshed" TIMESTAMPTZ,

229 "refresh_token" TEXT,

230 "old_refresh_token" TEXT,

231 CONSTRAINT "one_of_authorization_code_and_refresh_token_set"

232 CHECK ("authorization_code" NOTNULL OR "refresh_token" NOTNULL),

233 CONSTRAINT "refresh_token_if_and_only_if_refreshed"

234 CHECK ("refreshed" NOTNULL = "refresh_token" NOTNULL),

235 CONSTRAINT "old_refresh_token_requires_current_refresh_token"

236 CHECK ("refresh_token" NOTNULL OR "old_refresh_token" ISNULL) );

237

238 COMMENT ON TABLE "api_code_grant" IS 'Issued OAuth2 authorization codes and refresh tokens';

239

240 COMMENT ON COLUMN "api_code_grant"."validity_period" IS 'Period after which no more refreshing is possible';

241 COMMENT ON COLUMN "api_code_grant"."created" IS 'Date/time when authorization code (or first refresh token when there is no authorization code) has been created';

242 COMMENT ON COLUMN "api_code_grant"."authorization_code" IS 'OAuth2 authorization code (only valid for a very short time after it has been created)';

243 COMMENT ON COLUMN "api_code_grant"."refreshed" IS 'Date/time of last refresh';

244 COMMENT ON COLUMN "api_code_grant"."refresh_token" IS 'OAuth2 refresh token';

245

246

247 CREATE TABLE "member_history" (

248 "id" SERIAL8 PRIMARY KEY,

249 "member_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

250 "until" TIMESTAMPTZ NOT NULL DEFAULT now(),

251 "active" BOOLEAN NOT NULL,

252 "name" TEXT NOT NULL );

253 CREATE INDEX "member_history_member_id_idx" ON "member_history" ("member_id");

254

255 COMMENT ON TABLE "member_history" IS 'Filled by trigger; keeps information about old names and active flag of members';

256

257 COMMENT ON COLUMN "member_history"."id" IS 'Primary key, which can be used to sort entries correctly (and time warp resistant)';

258 COMMENT ON COLUMN "member_history"."until" IS 'Timestamp until the data was valid';

259

260

261 CREATE TABLE "rendered_member_statement" (

262 PRIMARY KEY ("member_id", "format"),

263 "member_id" INT8 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

264 "format" TEXT,

265 "content" TEXT NOT NULL );

266

267 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)';

268

269

270 CREATE TABLE "setting" (

271 PRIMARY KEY ("member_id", "key"),

272 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

273 "key" TEXT NOT NULL,

274 "value" TEXT NOT NULL );

275 CREATE INDEX "setting_key_idx" ON "setting" ("key");

276

277 COMMENT ON TABLE "setting" IS 'Place to store a frontend specific setting for members as a string';

278

279 COMMENT ON COLUMN "setting"."key" IS 'Name of the setting, preceded by a frontend specific prefix';

280

281

282 CREATE TABLE "setting_map" (

283 PRIMARY KEY ("member_id", "key", "subkey"),

284 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

285 "key" TEXT NOT NULL,

286 "subkey" TEXT NOT NULL,

287 "value" TEXT NOT NULL );

288 CREATE INDEX "setting_map_key_idx" ON "setting_map" ("key");

289

290 COMMENT ON TABLE "setting_map" IS 'Place to store a frontend specific setting for members as a map of key value pairs';

291

292 COMMENT ON COLUMN "setting_map"."key" IS 'Name of the setting, preceded by a frontend specific prefix';

293 COMMENT ON COLUMN "setting_map"."subkey" IS 'Key of a map entry';

294 COMMENT ON COLUMN "setting_map"."value" IS 'Value of a map entry';

295

296

297 CREATE TABLE "member_relation_setting" (

298 PRIMARY KEY ("member_id", "key", "other_member_id"),

299 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

300 "key" TEXT NOT NULL,

301 "other_member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

302 "value" TEXT NOT NULL );

303

304 COMMENT ON TABLE "member_relation_setting" IS 'Place to store a frontend specific setting related to relations between members as a string';

305

306

307 CREATE TYPE "member_image_type" AS ENUM ('photo', 'avatar');

308

309 COMMENT ON TYPE "member_image_type" IS 'Types of images for a member';

310

311

312 CREATE TABLE "member_image" (

313 PRIMARY KEY ("member_id", "image_type", "scaled"),

314 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

315 "image_type" "member_image_type",

316 "scaled" BOOLEAN,

317 "content_type" TEXT,

318 "data" BYTEA NOT NULL );

319

320 COMMENT ON TABLE "member_image" IS 'Images of members';

321

322 COMMENT ON COLUMN "member_image"."scaled" IS 'FALSE for original image, TRUE for scaled version of the image';

323

324

325 CREATE TABLE "member_count" (

326 "calculated" TIMESTAMPTZ NOT NULL DEFAULT NOW(),

327 "total_count" INT4 NOT NULL );

328

329 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';

330

331 COMMENT ON COLUMN "member_count"."calculated" IS 'timestamp indicating when the total member count and area member counts were calculated';

332 COMMENT ON COLUMN "member_count"."total_count" IS 'Total count of active(!) members';

333

334

335 CREATE TABLE "contact" (

336 PRIMARY KEY ("member_id", "other_member_id"),

337 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

338 "other_member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

339 "public" BOOLEAN NOT NULL DEFAULT FALSE,

340 CONSTRAINT "cant_save_yourself_as_contact"

341 CHECK ("member_id" != "other_member_id") );

342 CREATE INDEX "contact_other_member_id_idx" ON "contact" ("other_member_id");

343

344 COMMENT ON TABLE "contact" IS 'Contact lists';

345

346 COMMENT ON COLUMN "contact"."member_id" IS 'Member having the contact list';

347 COMMENT ON COLUMN "contact"."other_member_id" IS 'Member referenced in the contact list';

348 COMMENT ON COLUMN "contact"."public" IS 'TRUE = display contact publically';

349

350

351 CREATE TABLE "ignored_member" (

352 PRIMARY KEY ("member_id", "other_member_id"),

353 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

354 "other_member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );

355 CREATE INDEX "ignored_member_other_member_id_idx" ON "ignored_member" ("other_member_id");

356

357 COMMENT ON TABLE "ignored_member" IS 'Possibility to filter other members';

358

359 COMMENT ON COLUMN "ignored_member"."member_id" IS 'Member ignoring someone';

360 COMMENT ON COLUMN "ignored_member"."other_member_id" IS 'Member being ignored';

361

362

363 CREATE TABLE "session" (

364 "ident" TEXT PRIMARY KEY,

365 "additional_secret" TEXT,

366 "expiry" TIMESTAMPTZ NOT NULL DEFAULT now() + '24 hours',

367 "member_id" INT8 REFERENCES "member" ("id") ON DELETE SET NULL,

368 "lang" TEXT );

369 CREATE INDEX "session_expiry_idx" ON "session" ("expiry");

370

371 COMMENT ON TABLE "session" IS 'Sessions, i.e. for a web-frontend or API layer';

372

373 COMMENT ON COLUMN "session"."ident" IS 'Secret session identifier (i.e. random string)';

374 COMMENT ON COLUMN "session"."additional_secret" IS 'Additional field to store a secret, which can be used against CSRF attacks';

375 COMMENT ON COLUMN "session"."member_id" IS 'Reference to member, who is logged in';

376 COMMENT ON COLUMN "session"."lang" IS 'Language code of the selected language';

377

378

379 CREATE TABLE "policy" (

380 "id" SERIAL4 PRIMARY KEY,

381 "index" INT4 NOT NULL,

382 "active" BOOLEAN NOT NULL DEFAULT TRUE,

383 "name" TEXT NOT NULL UNIQUE,

384 "description" TEXT NOT NULL DEFAULT '',

385 "polling" BOOLEAN NOT NULL DEFAULT FALSE,

386 "admission_time" INTERVAL,

387 "discussion_time" INTERVAL,

388 "verification_time" INTERVAL,

389 "voting_time" INTERVAL,

390 "issue_quorum_num" INT4 NOT NULL,

391 "issue_quorum_den" INT4 NOT NULL,

392 "initiative_quorum_num" INT4 NOT NULL,

393 "initiative_quorum_den" INT4 NOT NULL,

394 "direct_majority_num" INT4 NOT NULL DEFAULT 1,

395 "direct_majority_den" INT4 NOT NULL DEFAULT 2,

396 "direct_majority_strict" BOOLEAN NOT NULL DEFAULT TRUE,

397 "direct_majority_positive" INT4 NOT NULL DEFAULT 0,

398 "direct_majority_non_negative" INT4 NOT NULL DEFAULT 0,

399 "indirect_majority_num" INT4 NOT NULL DEFAULT 1,

400 "indirect_majority_den" INT4 NOT NULL DEFAULT 2,

401 "indirect_majority_strict" BOOLEAN NOT NULL DEFAULT TRUE,

402 "indirect_majority_positive" INT4 NOT NULL DEFAULT 0,

403 "indirect_majority_non_negative" INT4 NOT NULL DEFAULT 0,

404 "no_reverse_beat_path" BOOLEAN NOT NULL DEFAULT TRUE,

405 "no_multistage_majority" BOOLEAN NOT NULL DEFAULT FALSE,

406 CONSTRAINT "timing" CHECK (

407 ( "polling" = FALSE AND

408 "admission_time" NOTNULL AND "discussion_time" NOTNULL AND

409 "verification_time" NOTNULL AND "voting_time" NOTNULL ) OR

410 ( "polling" = TRUE AND

411 "admission_time" ISNULL AND "discussion_time" NOTNULL AND

412 "verification_time" NOTNULL AND "voting_time" NOTNULL ) OR

413 ( "polling" = TRUE AND

414 "admission_time" ISNULL AND "discussion_time" ISNULL AND

415 "verification_time" ISNULL AND "voting_time" ISNULL ) ) );

416 CREATE INDEX "policy_active_idx" ON "policy" ("active");

417

418 COMMENT ON TABLE "policy" IS 'Policies for a particular proceeding type (timelimits, quorum)';

419

420 COMMENT ON COLUMN "policy"."index" IS 'Determines the order in listings';

421 COMMENT ON COLUMN "policy"."active" IS 'TRUE = policy can be used for new issues';

422 COMMENT ON COLUMN "policy"."polling" IS 'TRUE = special policy for non-user-generated issues, i.e. polls ("admission_time" MUST be set to NULL, the other timings may be set to NULL altogether, allowing individual timing for issues)';

423 COMMENT ON COLUMN "policy"."admission_time" IS 'Maximum duration of issue state ''admission''; Maximum time an issue stays open without being "accepted"';

424 COMMENT ON COLUMN "policy"."discussion_time" IS 'Duration of issue state ''discussion''; Regular time until an issue is "half_frozen" after being "accepted"';

425 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"';

426 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'')';

427 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''';

428 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''';

429 COMMENT ON COLUMN "policy"."initiative_quorum_num" IS 'Numerator of satisfied supporter quorum to be reached by an initiative to be "admitted" for voting';

430 COMMENT ON COLUMN "policy"."initiative_quorum_den" IS 'Denominator of satisfied supporter quorum to be reached by an initiative to be "admitted" for voting';

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 '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 '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").';

443

444

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 "member_count" INT4,

452 "text_search_data" TSVECTOR );

453 CREATE INDEX "unit_root_idx" ON "unit" ("id") WHERE "parent_id" ISNULL;

454 CREATE INDEX "unit_parent_id_idx" ON "unit" ("parent_id");

455 CREATE INDEX "unit_active_idx" ON "unit" ("active");

456 CREATE INDEX "unit_text_search_data_idx" ON "unit" USING gin ("text_search_data");

457 CREATE TRIGGER "update_text_search_data"

458 BEFORE INSERT OR UPDATE ON "unit"

459 FOR EACH ROW EXECUTE PROCEDURE

460 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',

461 "name", "description" );

462

463 COMMENT ON TABLE "unit" IS 'Organizational units organized as trees; Delegations are not inherited through these trees.';

464

465 COMMENT ON COLUMN "unit"."parent_id" IS 'Parent id of tree node; Multiple roots allowed';

466 COMMENT ON COLUMN "unit"."active" IS 'TRUE means new issues can be created in areas of this unit';

467 COMMENT ON COLUMN "unit"."member_count" IS 'Count of members as determined by column "voting_right" in table "privilege"';

468

469

470 CREATE TABLE "unit_setting" (

471 PRIMARY KEY ("member_id", "key", "unit_id"),

472 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

473 "key" TEXT NOT NULL,

474 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

475 "value" TEXT NOT NULL );

476

477 COMMENT ON TABLE "unit_setting" IS 'Place for frontend to store unit specific settings of members as strings';

478

479

480 CREATE TABLE "area" (

481 "id" SERIAL4 PRIMARY KEY,

482 "unit_id" INT4 NOT NULL REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

483 "active" BOOLEAN NOT NULL DEFAULT TRUE,

484 "name" TEXT NOT NULL,

485 "description" TEXT NOT NULL DEFAULT '',

486 "direct_member_count" INT4,

487 "member_weight" INT4,

488 "text_search_data" TSVECTOR );

489 CREATE INDEX "area_unit_id_idx" ON "area" ("unit_id");

490 CREATE INDEX "area_active_idx" ON "area" ("active");

491 CREATE INDEX "area_text_search_data_idx" ON "area" USING gin ("text_search_data");

492 CREATE TRIGGER "update_text_search_data"

493 BEFORE INSERT OR UPDATE ON "area"

494 FOR EACH ROW EXECUTE PROCEDURE

495 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',

496 "name", "description" );

497

498 COMMENT ON TABLE "area" IS 'Subject areas';

499

500 COMMENT ON COLUMN "area"."active" IS 'TRUE means new issues can be created in this area';

501 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"';

502 COMMENT ON COLUMN "area"."member_weight" IS 'Same as "direct_member_count" but respecting delegations';

503

504

505 CREATE TABLE "area_setting" (

506 PRIMARY KEY ("member_id", "key", "area_id"),

507 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

508 "key" TEXT NOT NULL,

509 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

510 "value" TEXT NOT NULL );

511

512 COMMENT ON TABLE "area_setting" IS 'Place for frontend to store area specific settings of members as strings';

513

514

515 CREATE TABLE "allowed_policy" (

516 PRIMARY KEY ("area_id", "policy_id"),

517 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

518 "policy_id" INT4 NOT NULL REFERENCES "policy" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

519 "default_policy" BOOLEAN NOT NULL DEFAULT FALSE );

520 CREATE UNIQUE INDEX "allowed_policy_one_default_per_area_idx" ON "allowed_policy" ("area_id") WHERE "default_policy";

521

522 COMMENT ON TABLE "allowed_policy" IS 'Selects which policies can be used in each area';

523

524 COMMENT ON COLUMN "allowed_policy"."default_policy" IS 'One policy per area can be set as default.';

525

526

527 CREATE TYPE "snapshot_event" AS ENUM ('periodic', 'end_of_admission', 'half_freeze', 'full_freeze');

528

529 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';

530

531

532 CREATE TYPE "issue_state" AS ENUM (

533 'admission', 'discussion', 'verification', 'voting',

534 'canceled_revoked_before_accepted',

535 'canceled_issue_not_accepted',

536 'canceled_after_revocation_during_discussion',

537 'canceled_after_revocation_during_verification',

538 'calculation',

539 'canceled_no_initiative_admitted',

540 'finished_without_winner', 'finished_with_winner');

541

542 COMMENT ON TYPE "issue_state" IS 'State of issues';

543

544

545 CREATE TABLE "issue" (

546 "id" SERIAL4 PRIMARY KEY,

547 "area_id" INT4 NOT NULL REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

548 "policy_id" INT4 NOT NULL REFERENCES "policy" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,

549 "state" "issue_state" NOT NULL DEFAULT 'admission',

550 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),

551 "accepted" TIMESTAMPTZ,

552 "half_frozen" TIMESTAMPTZ,

553 "fully_frozen" TIMESTAMPTZ,

554 "closed" TIMESTAMPTZ,

555 "ranks_available" BOOLEAN NOT NULL DEFAULT FALSE,

556 "cleaned" TIMESTAMPTZ,

557 "admission_time" INTERVAL NOT NULL,

558 "discussion_time" INTERVAL NOT NULL,

559 "verification_time" INTERVAL NOT NULL,

560 "voting_time" INTERVAL NOT NULL,

561 "snapshot" TIMESTAMPTZ,

562 "latest_snapshot_event" "snapshot_event",

563 "population" INT4,

564 "voter_count" INT4,

565 "status_quo_schulze_rank" INT4,

566 CONSTRAINT "valid_state" CHECK ((

567 ("accepted" ISNULL AND "half_frozen" ISNULL AND "fully_frozen" ISNULL AND "closed" ISNULL AND "ranks_available" = FALSE) OR

568 ("accepted" ISNULL AND "half_frozen" ISNULL AND "fully_frozen" ISNULL AND "closed" NOTNULL AND "ranks_available" = FALSE) OR

569 ("accepted" NOTNULL AND "half_frozen" ISNULL AND "fully_frozen" ISNULL AND "closed" ISNULL AND "ranks_available" = FALSE) OR

570 ("accepted" NOTNULL AND "half_frozen" ISNULL AND "fully_frozen" ISNULL AND "closed" NOTNULL AND "ranks_available" = FALSE) OR

571 ("accepted" NOTNULL AND "half_frozen" NOTNULL AND "fully_frozen" ISNULL AND "closed" ISNULL AND "ranks_available" = FALSE) OR

572 ("accepted" NOTNULL AND "half_frozen" NOTNULL AND "fully_frozen" ISNULL AND "closed" NOTNULL AND "ranks_available" = FALSE) OR

573 ("accepted" NOTNULL AND "half_frozen" NOTNULL AND "fully_frozen" NOTNULL AND "closed" ISNULL AND "ranks_available" = FALSE) OR

574 ("accepted" NOTNULL AND "half_frozen" NOTNULL AND "fully_frozen" NOTNULL AND "closed" NOTNULL AND "ranks_available" = FALSE) OR

575 ("accepted" NOTNULL AND "half_frozen" NOTNULL AND "fully_frozen" NOTNULL AND "closed" NOTNULL AND "ranks_available" = TRUE)) AND (

576 ("state" = 'admission' AND "closed" ISNULL AND "accepted" ISNULL) OR

577 ("state" = 'discussion' AND "closed" ISNULL AND "accepted" NOTNULL AND "half_frozen" ISNULL) OR

578 ("state" = 'verification' AND "closed" ISNULL AND "half_frozen" NOTNULL AND "fully_frozen" ISNULL) OR

579 ("state" = 'voting' AND "closed" ISNULL AND "fully_frozen" NOTNULL) OR

580 ("state" = 'canceled_revoked_before_accepted' AND "closed" NOTNULL AND "accepted" ISNULL) OR

581 ("state" = 'canceled_issue_not_accepted' AND "closed" NOTNULL AND "accepted" ISNULL) OR

582 ("state" = 'canceled_after_revocation_during_discussion' AND "closed" NOTNULL AND "half_frozen" ISNULL) OR

583 ("state" = 'canceled_after_revocation_during_verification' AND "closed" NOTNULL AND "fully_frozen" ISNULL) OR

584 ("state" = 'calculation' AND "closed" NOTNULL AND "fully_frozen" NOTNULL AND "ranks_available" = FALSE) OR

585 ("state" = 'canceled_no_initiative_admitted' AND "closed" NOTNULL AND "fully_frozen" NOTNULL AND "ranks_available" = TRUE) OR

586 ("state" = 'finished_without_winner' AND "closed" NOTNULL AND "fully_frozen" NOTNULL AND "ranks_available" = TRUE) OR

587 ("state" = 'finished_with_winner' AND "closed" NOTNULL AND "fully_frozen" NOTNULL AND "ranks_available" = TRUE)

588 )),

589 CONSTRAINT "state_change_order" CHECK (

590 "created" <= "accepted" AND

591 "accepted" <= "half_frozen" AND

592 "half_frozen" <= "fully_frozen" AND

593 "fully_frozen" <= "closed" ),

594 CONSTRAINT "only_closed_issues_may_be_cleaned" CHECK (

595 "cleaned" ISNULL OR "closed" NOTNULL ),

596 CONSTRAINT "last_snapshot_on_full_freeze"

597 CHECK ("snapshot" = "fully_frozen"), -- NOTE: snapshot can be set, while frozen is NULL yet

598 CONSTRAINT "freeze_requires_snapshot"

599 CHECK ("fully_frozen" ISNULL OR "snapshot" NOTNULL),

600 CONSTRAINT "set_both_or_none_of_snapshot_and_latest_snapshot_event"

601 CHECK ("snapshot" NOTNULL = "latest_snapshot_event" NOTNULL) );

602 CREATE INDEX "issue_area_id_idx" ON "issue" ("area_id");

603 CREATE INDEX "issue_policy_id_idx" ON "issue" ("policy_id");

604 CREATE INDEX "issue_created_idx" ON "issue" ("created");

605 CREATE INDEX "issue_accepted_idx" ON "issue" ("accepted");

606 CREATE INDEX "issue_half_frozen_idx" ON "issue" ("half_frozen");

607 CREATE INDEX "issue_fully_frozen_idx" ON "issue" ("fully_frozen");

608 CREATE INDEX "issue_closed_idx" ON "issue" ("closed");

609 CREATE INDEX "issue_created_idx_open" ON "issue" ("created") WHERE "closed" ISNULL;

610 CREATE INDEX "issue_closed_idx_canceled" ON "issue" ("closed") WHERE "fully_frozen" ISNULL;

611

612 COMMENT ON TABLE "issue" IS 'Groups of initiatives';

613

614 COMMENT ON COLUMN "issue"."accepted" IS 'Point in time, when one initiative of issue reached the "issue_quorum"';

615 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.';

616 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.';

617 COMMENT ON COLUMN "issue"."closed" IS 'Point in time, when "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.';

618 COMMENT ON COLUMN "issue"."ranks_available" IS 'TRUE = ranks have been calculated';

619 COMMENT ON COLUMN "issue"."cleaned" IS 'Point in time, when discussion data and votes had been deleted';

620 COMMENT ON COLUMN "issue"."admission_time" IS 'Copied from "policy" table at creation of issue';

621 COMMENT ON COLUMN "issue"."discussion_time" IS 'Copied from "policy" table at creation of issue';

622 COMMENT ON COLUMN "issue"."verification_time" IS 'Copied from "policy" table at creation of issue';

623 COMMENT ON COLUMN "issue"."voting_time" IS 'Copied from "policy" table at creation of issue';

624 COMMENT ON COLUMN "issue"."snapshot" IS 'Point in time, when snapshot tables have been updated and "population" and *_count values were precalculated';

625 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';

626 COMMENT ON COLUMN "issue"."population" IS 'Sum of "weight" column in table "direct_population_snapshot"';

627 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';

628 COMMENT ON COLUMN "issue"."status_quo_schulze_rank" IS 'Schulze rank of status quo, as calculated by "calculate_ranks" function';

629

630

631 CREATE TABLE "issue_setting" (

632 PRIMARY KEY ("member_id", "key", "issue_id"),

633 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

634 "key" TEXT NOT NULL,

635 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

636 "value" TEXT NOT NULL );

637

638 COMMENT ON TABLE "issue_setting" IS 'Place for frontend to store issue specific settings of members as strings';

639

640

641 CREATE TABLE "initiative" (

642 UNIQUE ("issue_id", "id"), -- index needed for foreign-key on table "vote"

643 "issue_id" INT4 NOT NULL REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

644 "id" SERIAL4 PRIMARY KEY,

645 "name" TEXT NOT NULL,

646 "polling" BOOLEAN NOT NULL DEFAULT FALSE,

647 "discussion_url" TEXT,

648 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),

649 "revoked" TIMESTAMPTZ,

650 "revoked_by_member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,

651 "suggested_initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

652 "admitted" BOOLEAN,

653 "supporter_count" INT4,

654 "informed_supporter_count" INT4,

655 "satisfied_supporter_count" INT4,

656 "satisfied_informed_supporter_count" INT4,

657 "positive_votes" INT4,

658 "negative_votes" INT4,

659 "direct_majority" BOOLEAN,

660 "indirect_majority" BOOLEAN,

661 "schulze_rank" INT4,

662 "better_than_status_quo" BOOLEAN,

663 "worse_than_status_quo" BOOLEAN,

664 "reverse_beat_path" BOOLEAN,

665 "multistage_majority" BOOLEAN,

666 "eligible" BOOLEAN,

667 "winner" BOOLEAN,

668 "rank" INT4,

669 "text_search_data" TSVECTOR,

670 CONSTRAINT "all_or_none_of_revoked_and_revoked_by_member_id_must_be_null"

671 CHECK ("revoked" NOTNULL = "revoked_by_member_id" NOTNULL),

672 CONSTRAINT "non_revoked_initiatives_cant_suggest_other"

673 CHECK ("revoked" NOTNULL OR "suggested_initiative_id" ISNULL),

674 CONSTRAINT "revoked_initiatives_cant_be_admitted"

675 CHECK ("revoked" ISNULL OR "admitted" ISNULL),

676 CONSTRAINT "non_admitted_initiatives_cant_contain_voting_results" CHECK (

677 ( "admitted" NOTNULL AND "admitted" = TRUE ) OR

678 ( "positive_votes" ISNULL AND "negative_votes" ISNULL AND

679 "direct_majority" ISNULL AND "indirect_majority" ISNULL AND

680 "schulze_rank" ISNULL AND

681 "better_than_status_quo" ISNULL AND "worse_than_status_quo" ISNULL AND

682 "reverse_beat_path" ISNULL AND "multistage_majority" ISNULL AND

683 "eligible" ISNULL AND "winner" ISNULL AND "rank" ISNULL ) ),

684 CONSTRAINT "better_excludes_worse" CHECK (NOT ("better_than_status_quo" AND "worse_than_status_quo")),

685 CONSTRAINT "minimum_requirement_to_be_eligible" CHECK (

686 "eligible" = FALSE OR

687 ("direct_majority" AND "indirect_majority" AND "better_than_status_quo") ),

688 CONSTRAINT "winner_must_be_eligible" CHECK ("winner"=FALSE OR "eligible"=TRUE),

689 CONSTRAINT "winner_must_have_first_rank" CHECK ("winner"=FALSE OR "rank"=1),

690 CONSTRAINT "eligible_at_first_rank_is_winner" CHECK ("eligible"=FALSE OR "rank"!=1 OR "winner"=TRUE),

691 CONSTRAINT "unique_rank_per_issue" UNIQUE ("issue_id", "rank") );

692 CREATE INDEX "initiative_created_idx" ON "initiative" ("created");

693 CREATE INDEX "initiative_revoked_idx" ON "initiative" ("revoked");

694 CREATE INDEX "initiative_text_search_data_idx" ON "initiative" USING gin ("text_search_data");

695 CREATE TRIGGER "update_text_search_data"

696 BEFORE INSERT OR UPDATE ON "initiative"

697 FOR EACH ROW EXECUTE PROCEDURE

698 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',

699 "name", "discussion_url");

700

701 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.';

702

703 COMMENT ON COLUMN "initiative"."polling" IS 'Initiative is an option for a poll (see "policy"."polling"), and does not need to pass the initiative quorum';

704 COMMENT ON COLUMN "initiative"."discussion_url" IS 'URL pointing to a discussion platform for this initiative';

705 COMMENT ON COLUMN "initiative"."revoked" IS 'Point in time, when one initiator decided to revoke the initiative';

706 COMMENT ON COLUMN "initiative"."revoked_by_member_id" IS 'Member, who decided to revoke the initiative';

707 COMMENT ON COLUMN "initiative"."admitted" IS 'TRUE, if initiative reaches the "initiative_quorum" when freezing the issue';

708 COMMENT ON COLUMN "initiative"."supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';

709 COMMENT ON COLUMN "initiative"."informed_supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';

710 COMMENT ON COLUMN "initiative"."satisfied_supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';

711 COMMENT ON COLUMN "initiative"."satisfied_informed_supporter_count" IS 'Calculated from table "direct_supporter_snapshot"';

712 COMMENT ON COLUMN "initiative"."positive_votes" IS 'Calculated from table "direct_voter"';

713 COMMENT ON COLUMN "initiative"."negative_votes" IS 'Calculated from table "direct_voter"';

714 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"';

715 COMMENT ON COLUMN "initiative"."indirect_majority" IS 'Same as "direct_majority", but also considering indirect beat paths';

716 COMMENT ON COLUMN "initiative"."schulze_rank" IS 'Schulze-Ranking without tie-breaking';

717 COMMENT ON COLUMN "initiative"."better_than_status_quo" IS 'TRUE, if initiative has a schulze-ranking better than the status quo (without tie-breaking)';

718 COMMENT ON COLUMN "initiative"."worse_than_status_quo" IS 'TRUE, if initiative has a schulze-ranking worse than the status quo (without tie-breaking)';

719 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';

720 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';

721 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"';

722 COMMENT ON COLUMN "initiative"."winner" IS 'Winner is the "eligible" initiative with best "schulze_rank" and in case of ties with lowest "id"';

723 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';

724

725

726 CREATE TABLE "battle" (

727 "issue_id" INT4 NOT NULL,

728 "winning_initiative_id" INT4,

729 FOREIGN KEY ("issue_id", "winning_initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,

730 "losing_initiative_id" INT4,

731 FOREIGN KEY ("issue_id", "losing_initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,

732 "count" INT4 NOT NULL,

733 CONSTRAINT "initiative_ids_not_equal" CHECK (

734 "winning_initiative_id" != "losing_initiative_id" OR

735 ( ("winning_initiative_id" NOTNULL AND "losing_initiative_id" ISNULL) OR

736 ("winning_initiative_id" ISNULL AND "losing_initiative_id" NOTNULL) ) ) );

737 CREATE UNIQUE INDEX "battle_winning_losing_idx" ON "battle" ("issue_id", "winning_initiative_id", "losing_initiative_id");

738 CREATE UNIQUE INDEX "battle_winning_null_idx" ON "battle" ("issue_id", "winning_initiative_id") WHERE "losing_initiative_id" ISNULL;

739 CREATE UNIQUE INDEX "battle_null_losing_idx" ON "battle" ("issue_id", "losing_initiative_id") WHERE "winning_initiative_id" ISNULL;

740

741 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';

742

743

744 CREATE TABLE "ignored_initiative" (

745 PRIMARY KEY ("initiative_id", "member_id"),

746 "initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

747 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );

748 CREATE INDEX "ignored_initiative_member_id_idx" ON "ignored_initiative" ("member_id");

749

750 COMMENT ON TABLE "ignored_initiative" IS 'Possibility to filter initiatives';

751

752

753 CREATE TABLE "initiative_setting" (

754 PRIMARY KEY ("member_id", "key", "initiative_id"),

755 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

756 "key" TEXT NOT NULL,

757 "initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

758 "value" TEXT NOT NULL );

759

760 COMMENT ON TABLE "initiative_setting" IS 'Place for frontend to store initiative specific settings of members as strings';

761

762

763 CREATE TABLE "draft" (

764 UNIQUE ("initiative_id", "id"), -- index needed for foreign-key on table "supporter"

765 "initiative_id" INT4 NOT NULL REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

766 "id" SERIAL8 PRIMARY KEY,

767 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),

768 "author_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,

769 "formatting_engine" TEXT,

770 "content" TEXT NOT NULL,

771 "text_search_data" TSVECTOR );

772 CREATE INDEX "draft_created_idx" ON "draft" ("created");

773 CREATE INDEX "draft_author_id_created_idx" ON "draft" ("author_id", "created");

774 CREATE INDEX "draft_text_search_data_idx" ON "draft" USING gin ("text_search_data");

775 CREATE TRIGGER "update_text_search_data"

776 BEFORE INSERT OR UPDATE ON "draft"

777 FOR EACH ROW EXECUTE PROCEDURE

778 tsvector_update_trigger('text_search_data', 'pg_catalog.simple', "content");

779

780 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.';

781

782 COMMENT ON COLUMN "draft"."formatting_engine" IS 'Allows different formatting engines (i.e. wiki formats) to be used';

783 COMMENT ON COLUMN "draft"."content" IS 'Text of the draft in a format depending on the field "formatting_engine"';

784

785

786 CREATE TABLE "rendered_draft" (

787 PRIMARY KEY ("draft_id", "format"),

788 "draft_id" INT8 REFERENCES "draft" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

789 "format" TEXT,

790 "content" TEXT NOT NULL );

791

792 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)';

793

794

795 CREATE TABLE "suggestion" (

796 UNIQUE ("initiative_id", "id"), -- index needed for foreign-key on table "opinion"

797 "initiative_id" INT4 NOT NULL REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

798 "id" SERIAL8 PRIMARY KEY,

799 "draft_id" INT8 NOT NULL,

800 FOREIGN KEY ("initiative_id", "draft_id") REFERENCES "draft" ("initiative_id", "id") ON DELETE NO ACTION ON UPDATE CASCADE,

801 "created" TIMESTAMPTZ NOT NULL DEFAULT now(),

802 "author_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,

803 "name" TEXT NOT NULL,

804 "formatting_engine" TEXT,

805 "content" TEXT NOT NULL DEFAULT '',

806 "text_search_data" TSVECTOR,

807 "minus2_unfulfilled_count" INT4,

808 "minus2_fulfilled_count" INT4,

809 "minus1_unfulfilled_count" INT4,

810 "minus1_fulfilled_count" INT4,

811 "plus1_unfulfilled_count" INT4,

812 "plus1_fulfilled_count" INT4,

813 "plus2_unfulfilled_count" INT4,

814 "plus2_fulfilled_count" INT4 );

815 CREATE INDEX "suggestion_created_idx" ON "suggestion" ("created");

816 CREATE INDEX "suggestion_author_id_created_idx" ON "suggestion" ("author_id", "created");

817 CREATE INDEX "suggestion_text_search_data_idx" ON "suggestion" USING gin ("text_search_data");

818 CREATE TRIGGER "update_text_search_data"

819 BEFORE INSERT OR UPDATE ON "suggestion"

820 FOR EACH ROW EXECUTE PROCEDURE

821 tsvector_update_trigger('text_search_data', 'pg_catalog.simple',

822 "name", "content");

823

824 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';

825

826 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")';

827 COMMENT ON COLUMN "suggestion"."minus2_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';

828 COMMENT ON COLUMN "suggestion"."minus2_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';

829 COMMENT ON COLUMN "suggestion"."minus1_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';

830 COMMENT ON COLUMN "suggestion"."minus1_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';

831 COMMENT ON COLUMN "suggestion"."plus1_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';

832 COMMENT ON COLUMN "suggestion"."plus1_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';

833 COMMENT ON COLUMN "suggestion"."plus2_unfulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';

834 COMMENT ON COLUMN "suggestion"."plus2_fulfilled_count" IS 'Calculated from table "direct_supporter_snapshot", not requiring informed supporters';

835

836

837 CREATE TABLE "rendered_suggestion" (

838 PRIMARY KEY ("suggestion_id", "format"),

839 "suggestion_id" INT8 REFERENCES "suggestion" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

840 "format" TEXT,

841 "content" TEXT NOT NULL );

842

843 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)';

844

845

846 CREATE TABLE "suggestion_setting" (

847 PRIMARY KEY ("member_id", "key", "suggestion_id"),

848 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

849 "key" TEXT NOT NULL,

850 "suggestion_id" INT8 REFERENCES "suggestion" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

851 "value" TEXT NOT NULL );

852

853 COMMENT ON TABLE "suggestion_setting" IS 'Place for frontend to store suggestion specific settings of members as strings';

854

855

856 CREATE TABLE "privilege" (

857 PRIMARY KEY ("unit_id", "member_id"),

858 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

859 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

860 "admin_manager" BOOLEAN NOT NULL DEFAULT FALSE,

861 "unit_manager" BOOLEAN NOT NULL DEFAULT FALSE,

862 "area_manager" BOOLEAN NOT NULL DEFAULT FALSE,

863 "member_manager" BOOLEAN NOT NULL DEFAULT FALSE,

864 "initiative_right" BOOLEAN NOT NULL DEFAULT TRUE,

865 "voting_right" BOOLEAN NOT NULL DEFAULT TRUE,

866 "polling_right" BOOLEAN NOT NULL DEFAULT FALSE );

867

868 COMMENT ON TABLE "privilege" IS 'Members rights related to each unit';

869

870 COMMENT ON COLUMN "privilege"."admin_manager" IS 'Grant/revoke any privileges to/from other members';

871 COMMENT ON COLUMN "privilege"."unit_manager" IS 'Create and disable sub units';

872 COMMENT ON COLUMN "privilege"."area_manager" IS 'Create and disable areas and set area parameters';

873 COMMENT ON COLUMN "privilege"."member_manager" IS 'Adding/removing members from the unit, granting or revoking "initiative_right" and "voting_right"';

874 COMMENT ON COLUMN "privilege"."initiative_right" IS 'Right to create an initiative';

875 COMMENT ON COLUMN "privilege"."voting_right" IS 'Right to support initiatives, create and rate suggestions, and to vote';

876 COMMENT ON COLUMN "privilege"."polling_right" IS 'Right to create polls (see "policy"."polling" and "initiative"."polling")';

877

878

879 CREATE TABLE "membership" (

880 PRIMARY KEY ("area_id", "member_id"),

881 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

882 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );

883 CREATE INDEX "membership_member_id_idx" ON "membership" ("member_id");

884

885 COMMENT ON TABLE "membership" IS 'Interest of members in topic areas';

886

887

888 CREATE TABLE "interest" (

889 PRIMARY KEY ("issue_id", "member_id"),

890 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

891 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );

892 CREATE INDEX "interest_member_id_idx" ON "interest" ("member_id");

893

894 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.';

895

896

897 CREATE TABLE "initiator" (

898 PRIMARY KEY ("initiative_id", "member_id"),

899 "initiative_id" INT4 REFERENCES "initiative" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

900 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

901 "accepted" BOOLEAN );

902 CREATE INDEX "initiator_member_id_idx" ON "initiator" ("member_id");

903

904 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.';

905

906 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.';

907

908

909 CREATE TABLE "supporter" (

910 "issue_id" INT4 NOT NULL,

911 PRIMARY KEY ("initiative_id", "member_id"),

912 "initiative_id" INT4,

913 "member_id" INT4,

914 "draft_id" INT8 NOT NULL,

915 FOREIGN KEY ("issue_id", "member_id") REFERENCES "interest" ("issue_id", "member_id") ON DELETE CASCADE ON UPDATE CASCADE,

916 FOREIGN KEY ("initiative_id", "draft_id") REFERENCES "draft" ("initiative_id", "id") ON DELETE NO ACTION ON UPDATE CASCADE );

917 CREATE INDEX "supporter_member_id_idx" ON "supporter" ("member_id");

918

919 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.';

920

921 COMMENT ON COLUMN "supporter"."issue_id" IS 'WARNING: No index: For selections use column "initiative_id" and join via table "initiative" where neccessary';

922 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")';

923

924

925 CREATE TABLE "opinion" (

926 "initiative_id" INT4 NOT NULL,

927 PRIMARY KEY ("suggestion_id", "member_id"),

928 "suggestion_id" INT8,

929 "member_id" INT4,

930 "degree" INT2 NOT NULL CHECK ("degree" >= -2 AND "degree" <= 2 AND "degree" != 0),

931 "fulfilled" BOOLEAN NOT NULL DEFAULT FALSE,

932 FOREIGN KEY ("initiative_id", "suggestion_id") REFERENCES "suggestion" ("initiative_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,

933 FOREIGN KEY ("initiative_id", "member_id") REFERENCES "supporter" ("initiative_id", "member_id") ON DELETE CASCADE ON UPDATE CASCADE );

934 CREATE INDEX "opinion_member_id_initiative_id_idx" ON "opinion" ("member_id", "initiative_id");

935

936 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.';

937

938 COMMENT ON COLUMN "opinion"."degree" IS '2 = fulfillment required for support; 1 = fulfillment desired; -1 = fulfillment unwanted; -2 = fulfillment cancels support';

939

940

941 CREATE TYPE "delegation_scope" AS ENUM ('unit', 'area', 'issue');

942

943 COMMENT ON TYPE "delegation_scope" IS 'Scope for delegations: ''unit'', ''area'', or ''issue'' (order is relevant)';

944

945

946 CREATE TABLE "delegation" (

947 "id" SERIAL8 PRIMARY KEY,

948 "truster_id" INT4 NOT NULL REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

949 "trustee_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

950 "scope" "delegation_scope" NOT NULL,

951 "unit_id" INT4 REFERENCES "unit" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

952 "area_id" INT4 REFERENCES "area" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

953 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

954 CONSTRAINT "cant_delegate_to_yourself" CHECK ("truster_id" != "trustee_id"),

955 CONSTRAINT "no_unit_delegation_to_null"

956 CHECK ("trustee_id" NOTNULL OR "scope" != 'unit'),

957 CONSTRAINT "area_id_and_issue_id_set_according_to_scope" CHECK (

958 ("scope" = 'unit' AND "unit_id" NOTNULL AND "area_id" ISNULL AND "issue_id" ISNULL ) OR

959 ("scope" = 'area' AND "unit_id" ISNULL AND "area_id" NOTNULL AND "issue_id" ISNULL ) OR

960 ("scope" = 'issue' AND "unit_id" ISNULL AND "area_id" ISNULL AND "issue_id" NOTNULL) ),

961 UNIQUE ("unit_id", "truster_id"),

962 UNIQUE ("area_id", "truster_id"),

963 UNIQUE ("issue_id", "truster_id") );

964 CREATE INDEX "delegation_truster_id_idx" ON "delegation" ("truster_id");

965 CREATE INDEX "delegation_trustee_id_idx" ON "delegation" ("trustee_id");

966

967 COMMENT ON TABLE "delegation" IS 'Delegation of vote-weight to other members';

968

969 COMMENT ON COLUMN "delegation"."unit_id" IS 'Reference to unit, if delegation is unit-wide, otherwise NULL';

970 COMMENT ON COLUMN "delegation"."area_id" IS 'Reference to area, if delegation is area-wide, otherwise NULL';

971 COMMENT ON COLUMN "delegation"."issue_id" IS 'Reference to issue, if delegation is issue-wide, otherwise NULL';

972

973

974 CREATE TABLE "direct_population_snapshot" (

975 PRIMARY KEY ("issue_id", "event", "member_id"),

976 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

977 "event" "snapshot_event",

978 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,

979 "weight" INT4 );

980 CREATE INDEX "direct_population_snapshot_member_id_idx" ON "direct_population_snapshot" ("member_id");

981

982 COMMENT ON TABLE "direct_population_snapshot" IS 'Snapshot of active members having either a "membership" in the "area" or an "interest" in the "issue"';

983

984 COMMENT ON COLUMN "direct_population_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';

985 COMMENT ON COLUMN "direct_population_snapshot"."weight" IS 'Weight of member (1 or higher) according to "delegating_population_snapshot"';

986

987

988 CREATE TABLE "delegating_population_snapshot" (

989 PRIMARY KEY ("issue_id", "event", "member_id"),

990 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

991 "event" "snapshot_event",

992 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,

993 "weight" INT4,

994 "scope" "delegation_scope" NOT NULL,

995 "delegate_member_ids" INT4[] NOT NULL );

996 CREATE INDEX "delegating_population_snapshot_member_id_idx" ON "delegating_population_snapshot" ("member_id");

997

998 COMMENT ON TABLE "direct_population_snapshot" IS 'Delegations increasing the weight of entries in the "direct_population_snapshot" table';

999

1000 COMMENT ON COLUMN "delegating_population_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';

1001 COMMENT ON COLUMN "delegating_population_snapshot"."member_id" IS 'Delegating member';

1002 COMMENT ON COLUMN "delegating_population_snapshot"."weight" IS 'Intermediate weight';

1003 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"';

1004

1005

1006 CREATE TABLE "direct_interest_snapshot" (

1007 PRIMARY KEY ("issue_id", "event", "member_id"),

1008 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

1009 "event" "snapshot_event",

1010 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,

1011 "weight" INT4 );

1012 CREATE INDEX "direct_interest_snapshot_member_id_idx" ON "direct_interest_snapshot" ("member_id");

1013

1014 COMMENT ON TABLE "direct_interest_snapshot" IS 'Snapshot of active members having an "interest" in the "issue"';

1015

1016 COMMENT ON COLUMN "direct_interest_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';

1017 COMMENT ON COLUMN "direct_interest_snapshot"."weight" IS 'Weight of member (1 or higher) according to "delegating_interest_snapshot"';

1018

1019

1020 CREATE TABLE "delegating_interest_snapshot" (

1021 PRIMARY KEY ("issue_id", "event", "member_id"),

1022 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

1023 "event" "snapshot_event",

1024 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,

1025 "weight" INT4,

1026 "scope" "delegation_scope" NOT NULL,

1027 "delegate_member_ids" INT4[] NOT NULL );

1028 CREATE INDEX "delegating_interest_snapshot_member_id_idx" ON "delegating_interest_snapshot" ("member_id");

1029

1030 COMMENT ON TABLE "delegating_interest_snapshot" IS 'Delegations increasing the weight of entries in the "direct_interest_snapshot" table';

1031

1032 COMMENT ON COLUMN "delegating_interest_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';

1033 COMMENT ON COLUMN "delegating_interest_snapshot"."member_id" IS 'Delegating member';

1034 COMMENT ON COLUMN "delegating_interest_snapshot"."weight" IS 'Intermediate weight';

1035 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"';

1036

1037

1038 CREATE TABLE "direct_supporter_snapshot" (

1039 "issue_id" INT4 NOT NULL,

1040 PRIMARY KEY ("initiative_id", "event", "member_id"),

1041 "initiative_id" INT4,

1042 "event" "snapshot_event",

1043 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,

1044 "draft_id" INT8 NOT NULL,

1045 "informed" BOOLEAN NOT NULL,

1046 "satisfied" BOOLEAN NOT NULL,

1047 FOREIGN KEY ("issue_id", "initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,

1048 FOREIGN KEY ("initiative_id", "draft_id") REFERENCES "draft" ("initiative_id", "id") ON DELETE NO ACTION ON UPDATE CASCADE,

1049 FOREIGN KEY ("issue_id", "event", "member_id") REFERENCES "direct_interest_snapshot" ("issue_id", "event", "member_id") ON DELETE CASCADE ON UPDATE CASCADE );

1050 CREATE INDEX "direct_supporter_snapshot_member_id_idx" ON "direct_supporter_snapshot" ("member_id");

1051

1052 COMMENT ON TABLE "direct_supporter_snapshot" IS 'Snapshot of supporters of initiatives (weight is stored in "direct_interest_snapshot")';

1053

1054 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';

1055 COMMENT ON COLUMN "direct_supporter_snapshot"."event" IS 'Reason for snapshot, see "snapshot_event" type for details';

1056 COMMENT ON COLUMN "direct_supporter_snapshot"."informed" IS 'Supporter has seen the latest draft of the initiative';

1057 COMMENT ON COLUMN "direct_supporter_snapshot"."satisfied" IS 'Supporter has no "critical_opinion"s';

1058

1059

1060 CREATE TABLE "non_voter" (

1061 PRIMARY KEY ("issue_id", "member_id"),

1062 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

1063 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE );

1064 CREATE INDEX "non_voter_member_id_idx" ON "non_voter" ("member_id");

1065

1066 COMMENT ON TABLE "non_voter" IS 'Members who decided to not vote directly on an issue';

1067

1068

1069 CREATE TABLE "direct_voter" (

1070 PRIMARY KEY ("issue_id", "member_id"),

1071 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

1072 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,

1073 "weight" INT4 );

1074 CREATE INDEX "direct_voter_member_id_idx" ON "direct_voter" ("member_id");

1075

1076 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.';

1077

1078 COMMENT ON COLUMN "direct_voter"."weight" IS 'Weight of member (1 or higher) according to "delegating_voter" table';

1079

1080

1081 CREATE TABLE "delegating_voter" (

1082 PRIMARY KEY ("issue_id", "member_id"),

1083 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

1084 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE RESTRICT,

1085 "weight" INT4,

1086 "scope" "delegation_scope" NOT NULL,

1087 "delegate_member_ids" INT4[] NOT NULL );

1088 CREATE INDEX "delegating_voter_member_id_idx" ON "delegating_voter" ("member_id");

1089

1090 COMMENT ON TABLE "delegating_voter" IS 'Delegations increasing the weight of entries in the "direct_voter" table';

1091

1092 COMMENT ON COLUMN "delegating_voter"."member_id" IS 'Delegating member';

1093 COMMENT ON COLUMN "delegating_voter"."weight" IS 'Intermediate weight';

1094 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"';

1095

1096

1097 CREATE TABLE "vote" (

1098 "issue_id" INT4 NOT NULL,

1099 PRIMARY KEY ("initiative_id", "member_id"),

1100 "initiative_id" INT4,

1101 "member_id" INT4,

1102 "grade" INT4,

1103 FOREIGN KEY ("issue_id", "initiative_id") REFERENCES "initiative" ("issue_id", "id") ON DELETE CASCADE ON UPDATE CASCADE,

1104 FOREIGN KEY ("issue_id", "member_id") REFERENCES "direct_voter" ("issue_id", "member_id") ON DELETE CASCADE ON UPDATE CASCADE );

1105 CREATE INDEX "vote_member_id_idx" ON "vote" ("member_id");

1106

1107 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.';

1108

1109 COMMENT ON COLUMN "vote"."issue_id" IS 'WARNING: No index: For selections use column "initiative_id" and join via table "initiative" where neccessary';

1110 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.';

1111

1112

1113 CREATE TABLE "voting_comment" (

1114 PRIMARY KEY ("issue_id", "member_id"),

1115 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

1116 "member_id" INT4 REFERENCES "member" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

1117 "changed" TIMESTAMPTZ,

1118 "formatting_engine" TEXT,

1119 "content" TEXT NOT NULL,

1120 "text_search_data" TSVECTOR );

1121 CREATE INDEX "voting_comment_member_id_idx" ON "voting_comment" ("member_id");

1122 CREATE INDEX "voting_comment_text_search_data_idx" ON "voting_comment" USING gin ("text_search_data");

1123 CREATE TRIGGER "update_text_search_data"

1124 BEFORE INSERT OR UPDATE ON "voting_comment"

1125 FOR EACH ROW EXECUTE PROCEDURE

1126 tsvector_update_trigger('text_search_data', 'pg_catalog.simple', "content");

1127

1128 COMMENT ON TABLE "voting_comment" IS 'Storage for comments of voters to be published after voting has finished.';

1129

1130 COMMENT ON COLUMN "voting_comment"."changed" 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.';

1131

1132

1133 CREATE TABLE "rendered_voting_comment" (

1134 PRIMARY KEY ("issue_id", "member_id", "format"),

1135 FOREIGN KEY ("issue_id", "member_id")

1136 REFERENCES "voting_comment" ("issue_id", "member_id")

1137 ON DELETE CASCADE ON UPDATE CASCADE,

1138 "issue_id" INT4,

1139 "member_id" INT4,

1140 "format" TEXT,

1141 "content" TEXT NOT NULL );

1142

1143 COMMENT ON TABLE "rendered_voting_comment" IS 'This table may be used by frontends to cache "rendered" voting comments (e.g. HTML output generated from wiki text)';

1144

1145

1146 CREATE TYPE "event_type" AS ENUM (

1147 'issue_state_changed',

1148 'initiative_created_in_new_issue',

1149 'initiative_created_in_existing_issue',

1150 'initiative_revoked',

1151 'new_draft_created',

1152 'suggestion_created');

1153

1154 COMMENT ON TYPE "event_type" IS 'Type used for column "event" of table "event"';

1155

1156

1157 CREATE TABLE "event" (

1158 "id" SERIAL8 PRIMARY KEY,

1159 "occurrence" TIMESTAMPTZ NOT NULL DEFAULT now(),

1160 "event" "event_type" NOT NULL,

1161 "member_id" INT4 REFERENCES "member" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,

1162 "issue_id" INT4 REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,

1163 "state" "issue_state" CHECK ("state" != 'calculation'),

1164 "initiative_id" INT4,

1165 "draft_id" INT8,

1166 "suggestion_id" INT8,

1167 FOREIGN KEY ("issue_id", "initiative_id")

1168 REFERENCES "initiative" ("issue_id", "id")

1169 ON DELETE CASCADE ON UPDATE CASCADE,

1170 FOREIGN KEY ("initiative_id", "draft_id")

1171 REFERENCES "draft" ("initiative_id", "id")

1172 ON DELETE CASCADE ON UPDATE CASCADE,

1173 FOREIGN KEY ("initiative_id", "suggestion_id")

1174 REFERENCES "suggestion" ("initiative_id", "id")

1175 ON DELETE CASCADE ON UPDATE CASCADE,

1176 CONSTRAINT "null_constraints_for_issue_state_changed" CHECK (

1177 "event" != 'issue_state_changed' OR (

1178 "member_id" ISNULL AND

1179 "issue_id" NOTNULL AND

1180 "state" NOTNULL AND

1181 "initiative_id" ISNULL AND

1182 "draft_id" ISNULL AND

1183 "suggestion_id" ISNULL )),

1184 CONSTRAINT "null_constraints_for_initiative_creation_or_revocation_or_new_draft" CHECK (

1185 "event" NOT IN (

1186 'initiative_created_in_new_issue',

1187 'initiative_created_in_existing_issue',

1188 'initiative_revoked',

1189 'new_draft_created'

1190 ) OR (

1191 "member_id" NOTNULL AND

1192 "issue_id" NOTNULL AND

1193 "state" NOTNULL AND

1194 "initiative_id" NOTNULL AND

1195 "draft_id" NOTNULL AND

1196 "suggestion_id" ISNULL )),

1197 CONSTRAINT "null_constraints_for_suggestion_creation" CHECK (

1198 "event" != 'suggestion_created' OR (

1199 "member_id" NOTNULL AND

1200 "issue_id" NOTNULL AND

1201 "state" NOTNULL AND

1202 "initiative_id" NOTNULL AND

1203 "draft_id" ISNULL AND

1204 "suggestion_id" NOTNULL )) );

1205 CREATE INDEX "event_occurrence_idx" ON "event" ("occurrence");

1206

1207 COMMENT ON TABLE "event" IS 'Event table, automatically filled by triggers';

1208

1209 COMMENT ON COLUMN "event"."occurrence" IS 'Point in time, when event occurred';

1210 COMMENT ON COLUMN "event"."event" IS 'Type of event (see TYPE "event_type")';

1211 COMMENT ON COLUMN "event"."member_id" IS 'Member who caused the event, if applicable';

1212 COMMENT ON COLUMN "event"."state" IS 'If issue_id is set: state of affected issue; If state changed: new state';

1213

1214

1215 CREATE TABLE "notification_sent" (

1216 "event_id" INT8 NOT NULL );

1217 CREATE UNIQUE INDEX "notification_sent_singleton_idx" ON "notification_sent" ((1));

1218

1219 COMMENT ON TABLE "notification_sent" IS 'This table stores one row with the last event_id, for which notifications have been sent out';

1220 COMMENT ON INDEX "notification_sent_singleton_idx" IS 'This index ensures that "notification_sent" only contains one row maximum.';

1221

1222

1223

1224 ----------------------------------------------

1225 -- Writing of history entries and event log --

1226 ----------------------------------------------

1227

1228

1229 CREATE FUNCTION "write_member_history_trigger"()

1230 RETURNS TRIGGER

1231 LANGUAGE 'plpgsql' VOLATILE AS $$

1232 BEGIN

1233 IF

1234 ( NEW."active" != OLD."active" OR

1235 NEW."name" != OLD."name" ) AND

1236 OLD."activated" NOTNULL

1237 THEN

1238 INSERT INTO "member_history"

1239 ("member_id", "active", "name")

1240 VALUES (NEW."id", OLD."active", OLD."name");

1241 END IF;

1242 RETURN NULL;

1243 END;

1244 $$;

1245

1246 CREATE TRIGGER "write_member_history"

1247 AFTER UPDATE ON "member" FOR EACH ROW EXECUTE PROCEDURE

1248 "write_member_history_trigger"();

1249

1250 COMMENT ON FUNCTION "write_member_history_trigger"() IS 'Implementation of trigger "write_member_history" on table "member"';

1251 COMMENT ON TRIGGER "write_member_history" ON "member" IS 'When changing certain fields of a member, create a history entry in "member_history" table';

1252

1253

1254 CREATE FUNCTION "write_event_issue_state_changed_trigger"()

1255 RETURNS TRIGGER

1256 LANGUAGE 'plpgsql' VOLATILE AS $$

1257 BEGIN

1258 IF NEW."state" != OLD."state" AND NEW."state" != 'calculation' THEN

1259 INSERT INTO "event" ("event", "issue_id", "state")

1260 VALUES ('issue_state_changed', NEW."id", NEW."state");

1261 END IF;

1262 RETURN NULL;

1263 END;

1264 $$;

1265

1266 CREATE TRIGGER "write_event_issue_state_changed"

1267 AFTER UPDATE ON "issue" FOR EACH ROW EXECUTE PROCEDURE

1268 "write_event_issue_state_changed_trigger"();

1269

1270 COMMENT ON FUNCTION "write_event_issue_state_changed_trigger"() IS 'Implementation of trigger "write_event_issue_state_changed" on table "issue"';

1271 COMMENT ON TRIGGER "write_event_issue_state_changed" ON "issue" IS 'Create entry in "event" table on "state" change';

1272

1273

1274 CREATE FUNCTION "write_event_initiative_or_draft_created_trigger"()

1275 RETURNS TRIGGER

1276 LANGUAGE 'plpgsql' VOLATILE AS $$

1277 DECLARE

1278 "initiative_row" "initiative"%ROWTYPE;

1279 "issue_row" "issue"%ROWTYPE;

1280 "event_v" "event_type";

1281 BEGIN

1282 SELECT * INTO "initiative_row" FROM "initiative"

1283 WHERE "id" = NEW."initiative_id";

1284 SELECT * INTO "issue_row" FROM "issue"

1285 WHERE "id" = "initiative_row"."issue_id";

1286 IF EXISTS (

1287 SELECT NULL FROM "draft"

1288 WHERE "initiative_id" = NEW."initiative_id"

1289 AND "id" != NEW."id"

1290 ) THEN

1291 "event_v" := 'new_draft_created';

1292 ELSE

1293 IF EXISTS (

1294 SELECT NULL FROM "initiative"

1295 WHERE "issue_id" = "initiative_row"."issue_id"

1296 AND "id" != "initiative_row"."id"

1297 ) THEN

1298 "event_v" := 'initiative_created_in_existing_issue';

1299 ELSE

1300 "event_v" := 'initiative_created_in_new_issue';

1301 END IF;

1302 END IF;

1303 INSERT INTO "event" (

1304 "event", "member_id",

1305 "issue_id", "state", "initiative_id", "draft_id"

1306 ) VALUES (

1307 "event_v",

1308 NEW."author_id",

1309 "initiative_row"."issue_id",

1310 "issue_row"."state",

1311 "initiative_row"."id",

1312 NEW."id" );

1313 RETURN NULL;

1314 END;

1315 $$;

1316

1317 CREATE TRIGGER "write_event_initiative_or_draft_created"

1318 AFTER INSERT ON "draft" FOR EACH ROW EXECUTE PROCEDURE

1319 "write_event_initiative_or_draft_created_trigger"();

1320

1321 COMMENT ON FUNCTION "write_event_initiative_or_draft_created_trigger"() IS 'Implementation of trigger "write_event_initiative_or_draft_created" on table "issue"';

1322 COMMENT ON TRIGGER "write_event_initiative_or_draft_created" ON "draft" IS 'Create entry in "event" table on draft creation';

1323

1324

1325 CREATE FUNCTION "write_event_initiative_revoked_trigger"()

1326 RETURNS TRIGGER

1327 LANGUAGE 'plpgsql' VOLATILE AS $$

1328 DECLARE

1329 "issue_row" "issue"%ROWTYPE;

1330 "draft_id_v" "draft"."id"%TYPE;

1331 BEGIN

1332 IF OLD."revoked" ISNULL AND NEW."revoked" NOTNULL THEN

1333 SELECT * INTO "issue_row" FROM "issue"

1334 WHERE "id" = NEW."issue_id";

1335 SELECT "id" INTO "draft_id_v" FROM "current_draft"

1336 WHERE "initiative_id" = NEW."id";

1337 INSERT INTO "event" (

1338 "event", "member_id", "issue_id", "state", "initiative_id", "draft_id"

1339 ) VALUES (

1340 'initiative_revoked',

1341 NEW."revoked_by_member_id",

1342 NEW."issue_id",

1343 "issue_row"."state",

1344 NEW."id",

1345 "draft_id_v");

1346 END IF;

1347 RETURN NULL;

1348 END;

1349 $$;

1350

1351 CREATE TRIGGER "write_event_initiative_revoked"

1352 AFTER UPDATE ON "initiative" FOR EACH ROW EXECUTE PROCEDURE

1353 "write_event_initiative_revoked_trigger"();

1354

1355 COMMENT ON FUNCTION "write_event_initiative_revoked_trigger"() IS 'Implementation of trigger "write_event_initiative_revoked" on table "issue"';

1356 COMMENT ON TRIGGER "write_event_initiative_revoked" ON "initiative" IS 'Create entry in "event" table, when an initiative is revoked';

1357

1358

1359 CREATE FUNCTION "write_event_suggestion_created_trigger"()

1360 RETURNS TRIGGER

1361 LANGUAGE 'plpgsql' VOLATILE AS $$

1362 DECLARE

1363 "initiative_row" "initiative"%ROWTYPE;

1364 "issue_row" "issue"%ROWTYPE;

1365 BEGIN

1366 SELECT * INTO "initiative_row" FROM "initiative"

1367 WHERE "id" = NEW."initiative_id";

1368 SELECT * INTO "issue_row" FROM "issue"

1369 WHERE "id" = "initiative_row"."issue_id";

1370 INSERT INTO "event" (

1371 "event", "member_id",

1372 "issue_id", "state", "initiative_id", "suggestion_id"

1373 ) VALUES (

1374 'suggestion_created',

1375 NEW."author_id",

1376 "initiative_row"."issue_id",

1377 "issue_row"."state",

1378 "initiative_row"."id",

1379 NEW."id" );

1380 RETURN NULL;

1381 END;

1382 $$;

1383

1384 CREATE TRIGGER "write_event_suggestion_created"

1385 AFTER INSERT ON "suggestion" FOR EACH ROW EXECUTE PROCEDURE

1386 "write_event_suggestion_created_trigger"();

1387

1388 COMMENT ON FUNCTION "write_event_suggestion_created_trigger"() IS 'Implementation of trigger "write_event_suggestion_created" on table "issue"';

1389 COMMENT ON TRIGGER "write_event_suggestion_created" ON "suggestion" IS 'Create entry in "event" table on suggestion creation';

1390

1391

1392

1393 ----------------------------

1394 -- Additional constraints --

1395 ----------------------------

1396

1397

1398 CREATE FUNCTION "issue_requires_first_initiative_trigger"()

1399 RETURNS TRIGGER

1400 LANGUAGE 'plpgsql' VOLATILE AS $$

1401 BEGIN

1402 IF NOT EXISTS (

1403 SELECT NULL FROM "initiative" WHERE "issue_id" = NEW."id"

1404 ) THEN

1405 --RAISE 'Cannot create issue without an initial initiative.' USING

1406 -- ERRCODE = 'integrity_constraint_violation',

1407 -- HINT = 'Create issue, initiative, and draft within the same transaction.';

1408 RAISE EXCEPTION 'Cannot create issue without an initial initiative.';

1409 END IF;

1410 RETURN NULL;

1411 END;

1412 $$;

1413

1414 CREATE CONSTRAINT TRIGGER "issue_requires_first_initiative"

1415 AFTER INSERT OR UPDATE ON "issue" DEFERRABLE INITIALLY DEFERRED

1416 FOR EACH ROW EXECUTE PROCEDURE

1417 "issue_requires_first_initiative_trigger"();

1418

1419 COMMENT ON FUNCTION "issue_requires_first_initiative_trigger"() IS 'Implementation of trigger "issue_requires_first_initiative" on table "issue"';

1420 COMMENT ON TRIGGER "issue_requires_first_initiative" ON "issue" IS 'Ensure that new issues have at least one initiative';

1421

1422

1423 CREATE FUNCTION "last_initiative_deletes_issue_trigger"()

1424 RETURNS TRIGGER

1425 LANGUAGE 'plpgsql' VOLATILE AS $$

1426 DECLARE

1427 "reference_lost" BOOLEAN;

1428 BEGIN

1429 IF TG_OP = 'DELETE' THEN

1430 "reference_lost" := TRUE;

1431 ELSE

1432 "reference_lost" := NEW."issue_id" != OLD."issue_id";

1433 END IF;

1434 IF

1435 "reference_lost" AND NOT EXISTS (

1436 SELECT NULL FROM "initiative" WHERE "issue_id" = OLD."issue_id"

1437 )

1438 THEN

1439 DELETE FROM "issue" WHERE "id" = OLD."issue_id";

1440 END IF;

1441 RETURN NULL;

1442 END;

1443 $$;

1444

1445 CREATE CONSTRAINT TRIGGER "last_initiative_deletes_issue"

1446 AFTER UPDATE OR DELETE ON "initiative" DEFERRABLE INITIALLY DEFERRED

1447 FOR EACH ROW EXECUTE PROCEDURE

1448 "last_initiative_deletes_issue_trigger"();

1449

1450 COMMENT ON FUNCTION "last_initiative_deletes_issue_trigger"() IS 'Implementation of trigger "last_initiative_deletes_issue" on table "initiative"';

1451 COMMENT ON TRIGGER "last_initiative_deletes_issue" ON "initiative" IS 'Removing the last initiative of an issue deletes the issue';

1452

1453

1454 CREATE FUNCTION "initiative_requires_first_draft_trigger"()

1455 RETURNS TRIGGER

1456 LANGUAGE 'plpgsql' VOLATILE AS $$

1457 BEGIN

1458 IF NOT EXISTS (

1459 SELECT NULL FROM "draft" WHERE "initiative_id" = NEW."id"

1460 ) THEN

1461 --RAISE 'Cannot create initiative without an initial draft.' USING

1462 -- ERRCODE = 'integrity_constraint_violation',

1463 -- HINT = 'Create issue, initiative and draft within the same transaction.';

1464 RAISE EXCEPTION 'Cannot create initiative without an initial draft.';

1465 END IF;

1466 RETURN NULL;

1467 END;

1468 $$;

1469

1470 CREATE CONSTRAINT TRIGGER "initiative_requires_first_draft"

1471 AFTER INSERT OR UPDATE ON "initiative" DEFERRABLE INITIALLY DEFERRED

1472 FOR EACH ROW EXECUTE PROCEDURE

1473 "initiative_requires_first_draft_trigger"();

1474

1475 COMMENT ON FUNCTION "initiative_requires_first_draft_trigger"() IS 'Implementation of trigger "initiative_requires_first_draft" on table "initiative"';

1476 COMMENT ON TRIGGER "initiative_requires_first_draft" ON "initiative" IS 'Ensure that new initiatives have at least one draft';

1477

1478

1479 CREATE FUNCTION "last_draft_deletes_initiative_trigger"()

1480 RETURNS TRIGGER

1481 LANGUAGE 'plpgsql' VOLATILE AS $$

1482 DECLARE

1483 "reference_lost" BOOLEAN;

1484 BEGIN

1485 IF TG_OP = 'DELETE' THEN

1486 "reference_lost" := TRUE;

1487 ELSE

1488 "reference_lost" := NEW."initiative_id" != OLD."initiative_id";

1489 END IF;

1490 IF

1491 "reference_lost" AND NOT EXISTS (

1492 SELECT NULL FROM "draft" WHERE "initiative_id" = OLD."initiative_id"

1493 )

1494 THEN

1495 DELETE FROM "initiative" WHERE "id" = OLD."initiative_id";

1496 END IF;

1497 RETURN NULL;

1498 END;

1499 $$;

1500

1501 CREATE CONSTRAINT TRIGGER "last_draft_deletes_initiative"

1502 AFTER UPDATE OR DELETE ON "draft" DEFERRABLE INITIALLY DEFERRED

1503 FOR EACH ROW EXECUTE PROCEDURE

1504 "last_draft_deletes_initiative_trigger"();

1505

1506 COMMENT ON FUNCTION "last_draft_deletes_initiative_trigger"() IS 'Implementation of trigger "last_draft_deletes_initiative" on table "draft"';

1507 COMMENT ON TRIGGER "last_draft_deletes_initiative" ON "draft" IS 'Removing the last draft of an initiative deletes the initiative';

1508

1509

1510 CREATE FUNCTION "suggestion_requires_first_opinion_trigger"()

1511 RETURNS TRIGGER

1512 LANGUAGE 'plpgsql' VOLATILE AS $$

1513 BEGIN

1514 IF NOT EXISTS (

1515 SELECT NULL FROM "opinion" WHERE "suggestion_id" = NEW."id"

1516 ) THEN

1517 RAISE EXCEPTION 'Cannot create a suggestion without an opinion.';

1518 END IF;

1519 RETURN NULL;

1520 END;

1521 $$;

1522

1523 CREATE CONSTRAINT TRIGGER "suggestion_requires_first_opinion"

1524 AFTER INSERT OR UPDATE ON "suggestion" DEFERRABLE INITIALLY DEFERRED

1525 FOR EACH ROW EXECUTE PROCEDURE

1526 "suggestion_requires_first_opinion_trigger"();

1527

1528 COMMENT ON FUNCTION "suggestion_requires_first_opinion_trigger"() IS 'Implementation of trigger "suggestion_requires_first_opinion" on table "suggestion"';

1529 COMMENT ON TRIGGER "suggestion_requires_first_opinion" ON "suggestion" IS 'Ensure that new suggestions have at least one opinion';

1530

1531

1532 CREATE FUNCTION "last_opinion_deletes_suggestion_trigger"()

1533 RETURNS TRIGGER

1534 LANGUAGE 'plpgsql' VOLATILE AS $$

1535 DECLARE

1536 "reference_lost" BOOLEAN;

1537 BEGIN

1538 IF TG_OP = 'DELETE' THEN

1539 "reference_lost" := TRUE;

1540 ELSE

1541 "reference_lost" := NEW."suggestion_id" != OLD."suggestion_id";

1542 END IF;

1543 IF

1544 "reference_lost" AND NOT EXISTS (

1545 SELECT NULL FROM "opinion" WHERE "suggestion_id" = OLD."suggestion_id"

1546 )

1547 THEN

1548 DELETE FROM "suggestion" WHERE "id" = OLD."suggestion_id";

1549 END IF;

1550 RETURN NULL;

1551 END;

1552 $$;

1553

1554 CREATE CONSTRAINT TRIGGER "last_opinion_deletes_suggestion"

1555 AFTER UPDATE OR DELETE ON "opinion" DEFERRABLE INITIALLY DEFERRED

1556 FOR EACH ROW EXECUTE PROCEDURE

1557 "last_opinion_deletes_suggestion_trigger"();

1558

1559 COMMENT ON FUNCTION "last_opinion_deletes_suggestion_trigger"() IS 'Implementation of trigger "last_opinion_deletes_suggestion" on table "opinion"';

1560 COMMENT ON TRIGGER "last_opinion_deletes_suggestion" ON "opinion" IS 'Removing the last opinion of a suggestion deletes the suggestion';

1561

1562

1563

1564 ---------------------------------------------------------------

1565 -- Ensure that votes are not modified when issues are frozen --

1566 ---------------------------------------------------------------

1567

1568 -- NOTE: Frontends should ensure this anyway, but in case of programming

1569 -- errors the following triggers ensure data integrity.

1570

1571

1572 CREATE FUNCTION "forbid_changes_on_closed_issue_trigger"()

1573 RETURNS TRIGGER

1574 LANGUAGE 'plpgsql' VOLATILE AS $$

1575 DECLARE

1576 "issue_id_v" "issue"."id"%TYPE;

1577 "issue_row" "issue"%ROWTYPE;

1578 BEGIN

1579 IF TG_OP = 'DELETE' THEN

1580 "issue_id_v" := OLD."issue_id";

1581 ELSE

1582 "issue_id_v" := NEW."issue_id";

1583 END IF;

1584 SELECT INTO "issue_row" * FROM "issue"

1585 WHERE "id" = "issue_id_v" FOR SHARE;

1586 IF "issue_row"."closed" NOTNULL THEN

1587 RAISE EXCEPTION 'Tried to modify data belonging to a closed issue.';

1588 END IF;

1589 RETURN NULL;

1590 END;

1591 $$;

1592

1593 CREATE TRIGGER "forbid_changes_on_closed_issue"

1594 AFTER INSERT OR UPDATE OR DELETE ON "direct_voter"

1595 FOR EACH ROW EXECUTE PROCEDURE

1596 "forbid_changes_on_closed_issue_trigger"();

1597

1598 CREATE TRIGGER "forbid_changes_on_closed_issue"

1599 AFTER INSERT OR UPDATE OR DELETE ON "delegating_voter"

1600 FOR EACH ROW EXECUTE PROCEDURE

1601 "forbid_changes_on_closed_issue_trigger"();

1602

1603 CREATE TRIGGER "forbid_changes_on_closed_issue"

1604 AFTER INSERT OR UPDATE OR DELETE ON "vote"

1605 FOR EACH ROW EXECUTE PROCEDURE

1606 "forbid_changes_on_closed_issue_trigger"();

1607

1608 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"';

1609 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';

1610 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';

1611 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';

1612

1613

1614

1615 --------------------------------------------------------------------

1616 -- Auto-retrieval of fields only needed for referential integrity --

1617 --------------------------------------------------------------------

1618

1619

1620 CREATE FUNCTION "autofill_issue_id_trigger"()

1621 RETURNS TRIGGER

1622 LANGUAGE 'plpgsql' VOLATILE AS $$

1623 BEGIN

1624 IF NEW."issue_id" ISNULL THEN

1625 SELECT "issue_id" INTO NEW."issue_id"

1626 FROM "initiative" WHERE "id" = NEW."initiative_id";

1627 END IF;

1628 RETURN NEW;

1629 END;

1630 $$;

1631

1632 CREATE TRIGGER "autofill_issue_id" BEFORE INSERT ON "supporter"

1633 FOR EACH ROW EXECUTE PROCEDURE "autofill_issue_id_trigger"();

1634

1635 CREATE TRIGGER "autofill_issue_id" BEFORE INSERT ON "vote"

1636 FOR EACH ROW EXECUTE PROCEDURE "autofill_issue_id_trigger"();

1637

1638 COMMENT ON FUNCTION "autofill_issue_id_trigger"() IS 'Implementation of triggers "autofill_issue_id" on tables "supporter" and "vote"';

1639 COMMENT ON TRIGGER "autofill_issue_id" ON "supporter" IS 'Set "issue_id" field automatically, if NULL';

1640 COMMENT ON TRIGGER "autofill_issue_id" ON "vote" IS 'Set "issue_id" field automatically, if NULL';

1641

1642

1643 CREATE FUNCTION "autofill_initiative_id_trigger"()

1644 RETURNS TRIGGER

1645 LANGUAGE 'plpgsql' VOLATILE AS $$

1646 BEGIN

1647 IF NEW."initiative_id" ISNULL THEN

1648 SELECT "initiative_id" INTO NEW."initiative_id"

1649 FROM "suggestion" WHERE "id" = NEW."suggestion_id";

1650 END IF;

1651 RETURN NEW;

1652 END;

1653 $$;

1654

1655 CREATE TRIGGER "autofill_initiative_id" BEFORE INSERT ON "opinion"

1656 FOR EACH ROW EXECUTE PROCEDURE "autofill_initiative_id_trigger"();

1657

1658 COMMENT ON FUNCTION "autofill_initiative_id_trigger"() IS 'Implementation of trigger "autofill_initiative_id" on table "opinion"';

1659 COMMENT ON TRIGGER "autofill_initiative_id" ON "opinion" IS 'Set "initiative_id" field automatically, if NULL';

1660

1661

1662

1663 -----------------------------------------------------

1664 -- Automatic calculation of certain default values --

1665 -----------------------------------------------------

1666

1667

1668 CREATE FUNCTION "copy_timings_trigger"()

1669 RETURNS TRIGGER

1670 LANGUAGE 'plpgsql' VOLATILE AS $$

1671 DECLARE

1672 "policy_row" "policy"%ROWTYPE;

1673 BEGIN

1674 SELECT * INTO "policy_row" FROM "policy"

1675 WHERE "id" = NEW."policy_id";

1676 IF NEW."admission_time" ISNULL THEN

1677 NEW."admission_time" := "policy_row"."admission_time";

1678 END IF;

1679 IF NEW."discussion_time" ISNULL THEN

1680 NEW."discussion_time" := "policy_row"."discussion_time";

1681 END IF;

1682 IF NEW."verification_time" ISNULL THEN

1683 NEW."verification_time" := "policy_row"."verification_time";

1684 END IF;

1685 IF NEW."voting_time" ISNULL THEN

1686 NEW."voting_time" := "policy_row"."voting_time";

1687 END IF;

1688 RETURN NEW;

1689 END;

1690 $$;

1691

1692 CREATE TRIGGER "copy_timings" BEFORE INSERT OR UPDATE ON "issue"

1693 FOR EACH ROW EXECUTE PROCEDURE "copy_timings_trigger"();

1694

1695 COMMENT ON FUNCTION "copy_timings_trigger"() IS 'Implementation of trigger "copy_timings" on table "issue"';

1696 COMMENT ON TRIGGER "copy_timings" ON "issue" IS 'If timing fields are NULL, copy values from policy.';

1697

1698

1699 CREATE FUNCTION "default_for_draft_id_trigger"()

1700 RETURNS TRIGGER

1701 LANGUAGE 'plpgsql' VOLATILE AS $$

1702 BEGIN

1703 IF NEW."draft_id" ISNULL THEN

1704 SELECT "id" INTO NEW."draft_id" FROM "current_draft"

1705 WHERE "initiative_id" = NEW."initiative_id";

1706 END IF;

1707 RETURN NEW;

1708 END;

1709 $$;

1710

1711 CREATE TRIGGER "default_for_draft_id" BEFORE INSERT OR UPDATE ON "suggestion"

1712 FOR EACH ROW EXECUTE PROCEDURE "default_for_draft_id_trigger"();

1713 CREATE TRIGGER "default_for_draft_id" BEFORE INSERT OR UPDATE ON "supporter"

1714 FOR EACH ROW EXECUTE PROCEDURE "default_for_draft_id_trigger"();

1715

1716 COMMENT ON FUNCTION "default_for_draft_id_trigger"() IS 'Implementation of trigger "default_for_draft" on tables "supporter" and "suggestion"';

1717 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';

1718 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';

1719

1720

1721

1722 ----------------------------------------

1723 -- Automatic creation of dependencies --

1724 ----------------------------------------

1725

1726

1727 CREATE FUNCTION "autocreate_interest_trigger"()

1728 RETURNS TRIGGER

1729 LANGUAGE 'plpgsql' VOLATILE AS $$

1730 BEGIN

1731 IF NOT EXISTS (

1732 SELECT NULL FROM "initiative" JOIN "interest"

1733 ON "initiative"."issue_id" = "interest"."issue_id"

1734 WHERE "initiative"."id" = NEW."initiative_id"

1735 AND "interest"."member_id" = NEW."member_id"

1736 ) THEN

1737 BEGIN

1738 INSERT INTO "interest" ("issue_id", "member_id")

1739 SELECT "issue_id", NEW."member_id"

1740 FROM "initiative" WHERE "id" = NEW."initiative_id";

1741 EXCEPTION WHEN unique_violation THEN END;

1742 END IF;

1743 RETURN NEW;

1744 END;

1745 $$;

1746

1747 CREATE TRIGGER "autocreate_interest" BEFORE INSERT ON "supporter"

1748 FOR EACH ROW EXECUTE PROCEDURE "autocreate_interest_trigger"();

1749

1750 COMMENT ON FUNCTION "autocreate_interest_trigger"() IS 'Implementation of trigger "autocreate_interest" on table "supporter"';

1751 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';

1752

1753

1754 CREATE FUNCTION "autocreate_supporter_trigger"()

1755 RETURNS TRIGGER

1756 LANGUAGE 'plpgsql' VOLATILE AS $$

1757 BEGIN

1758 IF NOT EXISTS (

1759 SELECT NULL FROM "suggestion" JOIN "supporter"

1760 ON "suggestion"."initiative_id" = "supporter"."initiative_id"

1761 WHERE "suggestion"."id" = NEW."suggestion_id"

1762 AND "supporter"."member_id" = NEW."member_id"

1763 ) THEN

1764 BEGIN

1765 INSERT INTO "supporter" ("initiative_id", "member_id")

1766 SELECT "initiative_id", NEW."member_id"

1767 FROM "suggestion" WHERE "id" = NEW."suggestion_id";

1768 EXCEPTION WHEN unique_violation THEN END;

1769 END IF;

1770 RETURN NEW;

1771 END;

1772 $$;

1773

1774 CREATE TRIGGER "autocreate_supporter" BEFORE INSERT ON "opinion"

1775 FOR EACH ROW EXECUTE PROCEDURE "autocreate_supporter_trigger"();

1776

1777 COMMENT ON FUNCTION "autocreate_supporter_trigger"() IS 'Implementation of trigger "autocreate_supporter" on table "opinion"';

1778 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.';

1779

1780

1781

1782 ------------------------------------------

1783 -- Views and helper functions for views --

1784 ------------------------------------------

1785

1786

1787 CREATE VIEW "unit_delegation" AS

1788 SELECT

1789 "unit"."id" AS "unit_id",

1790 "delegation"."id",

1791 "delegation"."truster_id",

1792 "delegation"."trustee_id",

1793 "delegation"."scope"

1794 FROM "unit"

1795 JOIN "delegation"

1796 ON "delegation"."unit_id" = "unit"."id"

1797 JOIN "member"

1798 ON "delegation"."truster_id" = "member"."id"

1799 JOIN "privilege"

1800 ON "delegation"."unit_id" = "privilege"."unit_id"

1801 AND "delegation"."truster_id" = "privilege"."member_id"

1802 WHERE "member"."active" AND "privilege"."voting_right";

1803

1804 COMMENT ON VIEW "unit_delegation" IS 'Unit delegations where trusters are active and have voting right';

1805

1806

1807 CREATE VIEW "area_delegation" AS

1808 SELECT DISTINCT ON ("area"."id", "delegation"."truster_id")

1809 "area"."id" AS "area_id",

1810 "delegation"."id",

1811 "delegation"."truster_id",

1812 "delegation"."trustee_id",

1813 "delegation"."scope"

1814 FROM "area"

1815 JOIN "delegation"

1816 ON "delegation"."unit_id" = "area"."unit_id"

1817 OR "delegation"."area_id" = "area"."id"

1818 JOIN "member"

1819 ON "delegation"."truster_id" = "member"."id"

1820 JOIN "privilege"

1821 ON "area"."unit_id" = "privilege"."unit_id"

1822 AND "delegation"."truster_id" = "privilege"."member_id"

1823 WHERE "member"."active" AND "privilege"."voting_right"

1824 ORDER BY

1825 "area"."id",

1826 "delegation"."truster_id",

1827 "delegation"."scope" DESC;

1828

1829 COMMENT ON VIEW "area_delegation" IS 'Area delegations where trusters are active and have voting right';

1830

1831

1832 CREATE VIEW "issue_delegation" AS

1833 SELECT DISTINCT ON ("issue"."id", "delegation"."truster_id")

1834 "issue"."id" AS "issue_id",

1835 "delegation"."id",

1836 "delegation"."truster_id",

1837 "delegation"."trustee_id",

1838 "delegation"."scope"

1839 FROM "issue"

1840 JOIN "area"

1841 ON "area"."id" = "issue"."area_id"

1842 JOIN "delegation"

1843 ON "delegation"."unit_id" = "area"."unit_id"

1844 OR "delegation"."area_id" = "area"."id"

1845 OR "delegation"."issue_id" = "issue"."id"

1846 JOIN "member"

1847 ON "delegation"."truster_id" = "member"."id"

1848 JOIN "privilege"

1849 ON "area"."unit_id" = "privilege"."unit_id"

1850 AND "delegation"."truster_id" = "privilege"."member_id"

1851 WHERE "member"."active" AND "privilege"."voting_right"

1852 ORDER BY

1853 "issue"."id",

1854 "delegation"."truster_id",

1855 "delegation"."scope" DESC;

1856

1857 COMMENT ON VIEW "issue_delegation" IS 'Issue delegations where trusters are active and have voting right';

1858

1859

1860 CREATE FUNCTION "membership_weight_with_skipping"

1861 ( "area_id_p" "area"."id"%TYPE,

1862 "member_id_p" "member"."id"%TYPE,

1863 "skip_member_ids_p" INT4[] ) -- "member"."id"%TYPE[]

1864 RETURNS INT4

1865 LANGUAGE 'plpgsql' STABLE AS $$

1866 DECLARE

1867 "sum_v" INT4;

1868 "delegation_row" "area_delegation"%ROWTYPE;

1869 BEGIN

1870 "sum_v" := 1;

1871 FOR "delegation_row" IN

1872 SELECT "area_delegation".*

1873 FROM "area_delegation" LEFT JOIN "membership"

1874 ON "membership"."area_id" = "area_id_p"

1875 AND "membership"."member_id" = "area_delegation"."truster_id"

1876 WHERE "area_delegation"."area_id" = "area_id_p"

1877 AND "area_delegation"."trustee_id" = "member_id_p"

1878 AND "membership"."member_id" ISNULL

1879 LOOP

1880 IF NOT

1881 "skip_member_ids_p" @> ARRAY["delegation_row"."truster_id"]

1882 THEN

1883 "sum_v" := "sum_v" + "membership_weight_with_skipping"(

1884 "area_id_p",

1885 "delegation_row"."truster_id",

1886 "skip_member_ids_p" || "delegation_row"."truster_id"

1887 );

1888 END IF;

1889 END LOOP;

1890 RETURN "sum_v";

1891 END;

1892 $$;

1893

1894 COMMENT ON FUNCTION "membership_weight_with_skipping"

1895 ( "area"."id"%TYPE,

1896 "member"."id"%TYPE,

1897 INT4[] )

1898 IS 'Helper function for "membership_weight" function';

1899

1900

1901 CREATE FUNCTION "membership_weight"

1902 ( "area_id_p" "area"."id"%TYPE,

1903 "member_id_p" "member"."id"%TYPE ) -- "member"."id"%TYPE[]

1904 RETURNS INT4

1905 LANGUAGE 'plpgsql' STABLE AS $$

1906 BEGIN

1907 RETURN "membership_weight_with_skipping"(

1908 "area_id_p",

1909 "member_id_p",

1910 ARRAY["member_id_p"]

1911 );

1912 END;

1913 $$;

1914

1915 COMMENT ON FUNCTION "membership_weight"

1916 ( "area"."id"%TYPE,

1917 "member"."id"%TYPE )

1918 IS 'Calculates the potential voting weight of a member in a given area';

1919

1920

1921 CREATE VIEW "member_count_view" AS

1922 SELECT count(1) AS "total_count" FROM "member" WHERE "active";

1923

1924 COMMENT ON VIEW "member_count_view" IS 'View used to update "member_count" table';

1925

1926

1927 CREATE VIEW "unit_member_count" AS

1928 SELECT

1929 "unit"."id" AS "unit_id",

1930 count("member"."id") AS "member_count"

1931 FROM "unit"

1932 LEFT JOIN "privilege"

1933 ON "privilege"."unit_id" = "unit"."id"

1934 AND "privilege"."voting_right"

1935 LEFT JOIN "member"

1936 ON "member"."id" = "privilege"."member_id"

1937 AND "member"."active"

1938 GROUP BY "unit"."id";

1939

1940 COMMENT ON VIEW "unit_member_count" IS 'View used to update "member_count" column of "unit" table';

1941

1942

1943 CREATE VIEW "area_member_count" AS

1944 SELECT

1945 "area"."id" AS "area_id",

1946 count("member"."id") AS "direct_member_count",

1947 coalesce(

1948 sum(

1949 CASE WHEN "member"."id" NOTNULL THEN

1950 "membership_weight"("area"."id", "member"."id")

1951 ELSE 0 END

1952 )

1953 ) AS "member_weight"

1954 FROM "area"

1955 LEFT JOIN "membership"

1956 ON "area"."id" = "membership"."area_id"

1957 LEFT JOIN "privilege"

1958 ON "privilege"."unit_id" = "area"."unit_id"

1959 AND "privilege"."member_id" = "membership"."member_id"

1960 AND "privilege"."voting_right"

1961 LEFT JOIN "member"

1962 ON "member"."id" = "privilege"."member_id" -- NOTE: no membership here!

1963 AND "member"."active"

1964 GROUP BY "area"."id";

1965

1966 COMMENT ON VIEW "area_member_count" IS 'View used to update "direct_member_count" and "member_weight" columns of table "area"';

1967

1968

1969 CREATE VIEW "opening_draft" AS

1970 SELECT "draft".* FROM (

1971 SELECT

1972 "initiative"."id" AS "initiative_id",

1973 min("draft"."id") AS "draft_id"

1974 FROM "initiative" JOIN "draft"

1975 ON "initiative"."id" = "draft"."initiative_id"

1976 GROUP BY "initiative"."id"

1977 ) AS "subquery"

1978 JOIN "draft" ON "subquery"."draft_id" = "draft"."id";

1979

1980 COMMENT ON VIEW "opening_draft" IS 'First drafts of all initiatives';

1981

1982

1983 CREATE VIEW "current_draft" AS

1984 SELECT "draft".* FROM (

1985 SELECT

1986 "initiative"."id" AS "initiative_id",

1987 max("draft"."id") AS "draft_id"

1988 FROM "initiative" JOIN "draft"

1989 ON "initiative"."id" = "draft"."initiative_id"

1990 GROUP BY "initiative"."id"

1991 ) AS "subquery"

1992 JOIN "draft" ON "subquery"."draft_id" = "draft"."id";

1993

1994 COMMENT ON VIEW "current_draft" IS 'All latest drafts for each initiative';

1995

1996

1997 CREATE VIEW "critical_opinion" AS

1998 SELECT * FROM "opinion"

1999 WHERE ("degree" = 2 AND "fulfilled" = FALSE)

2000 OR ("degree" = -2 AND "fulfilled" = TRUE);

2001

2002 COMMENT ON VIEW "critical_opinion" IS 'Opinions currently causing dissatisfaction';

2003

2004

2005 CREATE VIEW "battle_participant" AS

2006 SELECT "initiative"."id", "initiative"."issue_id"

2007 FROM "issue" JOIN "initiative"

2008 ON "issue"."id" = "initiative"."issue_id"

2009 WHERE "initiative"."admitted"

2010 UNION ALL

2011 SELECT NULL, "id" AS "issue_id"

2012 FROM "issue";

2013

2014 COMMENT ON VIEW "battle_participant" IS 'Helper view for "battle_view" containing admitted initiatives plus virtual "status-quo" initiative denoted by NULL reference';

2015

2016

2017 CREATE VIEW "battle_view" AS

2018 SELECT

2019 "issue"."id" AS "issue_id",

2020 "winning_initiative"."id" AS "winning_initiative_id",

2021 "losing_initiative"."id" AS "losing_initiative_id",

2022 sum(

2023 CASE WHEN

2024 coalesce("better_vote"."grade", 0) >

2025 coalesce("worse_vote"."grade", 0)

2026 THEN "direct_voter"."weight" ELSE 0 END

2027 ) AS "count"

2028 FROM "issue"

2029 LEFT JOIN "direct_voter"

2030 ON "issue"."id" = "direct_voter"."issue_id"

2031 JOIN "battle_participant" AS "winning_initiative"

2032 ON "issue"."id" = "winning_initiative"."issue_id"

2033 JOIN "battle_participant" AS "losing_initiative"

2034 ON "issue"."id" = "losing_initiative"."issue_id"

2035 LEFT JOIN "vote" AS "better_vote"

2036 ON "direct_voter"."member_id" = "better_vote"."member_id"

2037 AND "winning_initiative"."id" = "better_vote"."initiative_id"

2038 LEFT JOIN "vote" AS "worse_vote"

2039 ON "direct_voter"."member_id" = "worse_vote"."member_id"

2040 AND "losing_initiative"."id" = "worse_vote"."initiative_id"

2041 WHERE "issue"."closed" NOTNULL

2042 AND "issue"."cleaned" ISNULL

2043 AND (

2044 "winning_initiative"."id" != "losing_initiative"."id" OR

2045 ( ("winning_initiative"."id" NOTNULL AND "losing_initiative"."id" ISNULL) OR

2046 ("winning_initiative"."id" ISNULL AND "losing_initiative"."id" NOTNULL) ) )

2047 GROUP BY

2048 "issue"."id",

2049 "winning_initiative"."id",

2050 "losing_initiative"."id";

2051

2052 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';

2053

2054

2055 CREATE VIEW "expired_session" AS

2056 SELECT * FROM "session" WHERE now() > "expiry";

2057

2058 CREATE RULE "delete" AS ON DELETE TO "expired_session" DO INSTEAD

2059 DELETE FROM "session" WHERE "ident" = OLD."ident";

2060

2061 COMMENT ON VIEW "expired_session" IS 'View containing all expired sessions where DELETE is possible';

2062 COMMENT ON RULE "delete" ON "expired_session" IS 'Rule allowing DELETE on rows in "expired_session" view, i.e. DELETE FROM "expired_session"';

2063

2064

2065 CREATE VIEW "open_issue" AS

2066 SELECT * FROM "issue" WHERE "closed" ISNULL;

2067

2068 COMMENT ON VIEW "open_issue" IS 'All open issues';

2069

2070

2071 CREATE VIEW "issue_with_ranks_missing" AS

2072 SELECT * FROM "issue"

2073 WHERE "fully_frozen" NOTNULL

2074 AND "closed" NOTNULL

2075 AND "ranks_available" = FALSE;

2076

2077 COMMENT ON VIEW "issue_with_ranks_missing" IS 'Issues where voting was finished, but no ranks have been calculated yet';

2078

2079

2080 CREATE VIEW "member_contingent" AS

2081 SELECT

2082 "member"."id" AS "member_id",

2083 "contingent"."time_frame",

2084 CASE WHEN "contingent"."text_entry_limit" NOTNULL THEN

2085 (

2086 SELECT count(1) FROM "draft"

2087 WHERE "draft"."author_id" = "member"."id"

2088 AND "draft"."created" > now() - "contingent"."time_frame"

2089 ) + (

2090 SELECT count(1) FROM "suggestion"

2091 WHERE "suggestion"."author_id" = "member"."id"

2092 AND "suggestion"."created" > now() - "contingent"."time_frame"

2093 )

2094 ELSE NULL END AS "text_entry_count",

2095 "contingent"."text_entry_limit",

2096 CASE WHEN "contingent"."initiative_limit" NOTNULL THEN (

2097 SELECT count(1) FROM "opening_draft"

2098 WHERE "opening_draft"."author_id" = "member"."id"

2099 AND "opening_draft"."created" > now() - "contingent"."time_frame"

2100 ) ELSE NULL END AS "initiative_count",

2101 "contingent"."initiative_limit"

2102 FROM "member" CROSS JOIN "contingent";

2103

2104 COMMENT ON VIEW "member_contingent" IS 'Actual counts of text entries and initiatives are calculated per member for each limit in the "contingent" table.';

2105

2106 COMMENT ON COLUMN "member_contingent"."text_entry_count" IS 'Only calculated when "text_entry_limit" is not null in the same row';

2107 COMMENT ON COLUMN "member_contingent"."initiative_count" IS 'Only calculated when "initiative_limit" is not null in the same row';

2108

2109

2110 CREATE VIEW "member_contingent_left" AS

2111 SELECT

2112 "member_id",

2113 max("text_entry_limit" - "text_entry_count") AS "text_entries_left",

2114 max("initiative_limit" - "initiative_count") AS "initiatives_left"

2115 FROM "member_contingent" GROUP BY "member_id";

2116

2117 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.';

2118

2119

2120 CREATE VIEW "event_seen_by_member" AS

2121 SELECT

2122 "member"."id" AS "seen_by_member_id",

2123 CASE WHEN "event"."state" IN (

2124 'voting',

2125 'finished_without_winner',

2126 'finished_with_winner'

2127 ) THEN

2128 'voting'::"notify_level"

2129 ELSE

2130 CASE WHEN "event"."state" IN (

2131 'verification',

2132 'canceled_after_revocation_during_verification',

2133 'canceled_no_initiative_admitted'

2134 ) THEN

2135 'verification'::"notify_level"

2136 ELSE

2137 CASE WHEN "event"."state" IN (

2138 'discussion',

2139 'canceled_after_revocation_during_discussion'

2140 ) THEN

2141 'discussion'::"notify_level"

2142 ELSE

2143 'all'::"notify_level"

2144 END

2145 END

2146 END AS "notify_level",

2147 "event".*

2148 FROM "member" CROSS JOIN "event"

2149 LEFT JOIN "issue"

2150 ON "event"."issue_id" = "issue"."id"

2151 LEFT JOIN "membership"

2152 ON "member"."id" = "membership"."member_id"

2153 AND "issue"."area_id" = "membership"."area_id"

2154 LEFT JOIN "interest"

2155 ON "member"."id" = "interest"."member_id"

2156 AND "event"."issue_id" = "interest"."issue_id"

2157 LEFT JOIN "supporter"

2158 ON "member"."id" = "supporter"."member_id"

2159 AND "event"."initiative_id" = "supporter"."initiative_id"

2160 LEFT JOIN "ignored_member"

2161 ON "member"."id" = "ignored_member"."member_id"

2162 AND "event"."member_id" = "ignored_member"."other_member_id"

2163 LEFT JOIN "ignored_initiative"

2164 ON "member"."id" = "ignored_initiative"."member_id"

2165 AND "event"."initiative_id" = "ignored_initiative"."initiative_id"

2166 WHERE (

2167 "supporter"."member_id" NOTNULL OR

2168 "interest"."member_id" NOTNULL OR

2169 ( "membership"."member_id" NOTNULL AND

2170 "event"."event" IN (

2171 'issue_state_changed',

2172 'initiative_created_in_new_issue',

2173 'initiative_created_in_existing_issue',

2174 'initiative_revoked' ) ) )

2175 AND "ignored_member"."member_id" ISNULL

2176 AND "ignored_initiative"."member_id" ISNULL;

2177

2178 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"';

2179

2180

2181 CREATE VIEW "selected_event_seen_by_member" AS

2182 SELECT

2183 "member"."id" AS "seen_by_member_id",

2184 CASE WHEN "event"."state" IN (

2185 'voting',

2186 'finished_without_winner',

2187 'finished_with_winner'

2188 ) THEN

2189 'voting'::"notify_level"

2190 ELSE

2191 CASE WHEN "event"."state" IN (

2192 'verification',

2193 'canceled_after_revocation_during_verification',

2194 'canceled_no_initiative_admitted'

2195 ) THEN

2196 'verification'::"notify_level"

2197 ELSE

2198 CASE WHEN "event"."state" IN (

2199 'discussion',

2200 'canceled_after_revocation_during_discussion'

2201 ) THEN

2202 'discussion'::"notify_level"

2203 ELSE

2204 'all'::"notify_level"

2205 END

2206 END

2207 END AS "notify_level",

2208 "event".*

2209 FROM "member" CROSS JOIN "event"

2210 LEFT JOIN "issue"

2211 ON "event"."issue_id" = "issue"."id"

2212 LEFT JOIN "membership"

2213 ON "member"."id" = "membership"."member_id"

2214 AND "issue"."area_id" = "membership"."area_id"

2215 LEFT JOIN "interest"

2216 ON "member"."id" = "interest"."member_id"

2217 AND "event"."issue_id" = "interest"."issue_id"

2218 LEFT JOIN "supporter"

2219 ON "member"."id" = "supporter"."member_id"

2220 AND "event"."initiative_id" = "supporter"."initiative_id"

2221 LEFT JOIN "ignored_member"

2222 ON "member"."id" = "ignored_member"."member_id"

2223 AND "event"."member_id" = "ignored_member"."other_member_id"

2224 LEFT JOIN "ignored_initiative"

2225 ON "member"."id" = "ignored_initiative"."member_id"

2226 AND "event"."initiative_id" = "ignored_initiative"."initiative_id"

2227 WHERE (

2228 ( "member"."notify_level" >= 'all' ) OR

2229 ( "member"."notify_level" >= 'voting' AND

2230 "event"."state" IN (

2231 'voting',

2232 'finished_without_winner',

2233 'finished_with_winner' ) ) OR

2234 ( "member"."notify_level" >= 'verification' AND

2235 "event"."state" IN (

2236 'verification',

2237 'canceled_after_revocation_during_verification',

2238 'canceled_no_initiative_admitted' ) ) OR

2239 ( "member"."notify_level" >= 'discussion' AND

2240 "event"."state" IN (

2241 'discussion',

2242 'canceled_after_revocation_during_discussion' ) ) )

2243 AND (

2244 "supporter"."member_id" NOTNULL OR

2245 "interest"."member_id" NOTNULL OR

2246 ( "membership"."member_id" NOTNULL AND

2247 "event"."event" IN (

2248 'issue_state_changed',

2249 'initiative_created_in_new_issue',

2250 'initiative_created_in_existing_issue',

2251 'initiative_revoked' ) ) )

2252 AND "ignored_member"."member_id" ISNULL

2253 AND "ignored_initiative"."member_id" ISNULL;

2254

2255 COMMENT ON VIEW "selected_event_seen_by_member" IS 'Events as seen by a member, depending on its memberships, interests, support and members "notify_level"';

2256

2257

2258 CREATE TYPE "timeline_event" AS ENUM (

2259 'issue_created',

2260 'issue_canceled',

2261 'issue_accepted',

2262 'issue_half_frozen',

2263 'issue_finished_without_voting',

2264 'issue_voting_started',

2265 'issue_finished_after_voting',

2266 'initiative_created',

2267 'initiative_revoked',

2268 'draft_created',

2269 'suggestion_created');

2270

2271 COMMENT ON TYPE "timeline_event" IS 'Types of event in timeline tables (DEPRECATED)';

2272

2273

2274 CREATE VIEW "timeline_issue" AS

2275 SELECT

2276 "created" AS "occurrence",

2277 'issue_created'::"timeline_event" AS "event",

2278 "id" AS "issue_id"

2279 FROM "issue"

2280 UNION ALL

2281 SELECT

2282 "closed" AS "occurrence",

2283 'issue_canceled'::"timeline_event" AS "event",

2284 "id" AS "issue_id"

2285 FROM "issue" WHERE "closed" NOTNULL AND "fully_frozen" ISNULL

2286 UNION ALL

2287 SELECT

2288 "accepted" AS "occurrence",

2289 'issue_accepted'::"timeline_event" AS "event",

2290 "id" AS "issue_id"

2291 FROM "issue" WHERE "accepted" NOTNULL

2292 UNION ALL

2293 SELECT

2294 "half_frozen" AS "occurrence",

2295 'issue_half_frozen'::"timeline_event" AS "event",

2296 "id" AS "issue_id"

2297 FROM "issue" WHERE "half_frozen" NOTNULL

2298 UNION ALL

2299 SELECT

2300 "fully_frozen" AS "occurrence",

2301 'issue_voting_started'::"timeline_event" AS "event",

2302 "id" AS "issue_id"

2303 FROM "issue"

2304 WHERE "fully_frozen" NOTNULL

2305 AND ("closed" ISNULL OR "closed" != "fully_frozen")

2306 UNION ALL

2307 SELECT

2308 "closed" AS "occurrence",

2309 CASE WHEN "fully_frozen" = "closed" THEN

2310 'issue_finished_without_voting'::"timeline_event"

2311 ELSE

2312 'issue_finished_after_voting'::"timeline_event"

2313 END AS "event",

2314 "id" AS "issue_id"

2315 FROM "issue" WHERE "closed" NOTNULL AND "fully_frozen" NOTNULL;

2316

2317 COMMENT ON VIEW "timeline_issue" IS 'Helper view for "timeline" view (DEPRECATED)';

2318

2319

2320 CREATE VIEW "timeline_initiative" AS

2321 SELECT

2322 "created" AS "occurrence",

2323 'initiative_created'::"timeline_event" AS "event",

2324 "id" AS "initiative_id"

2325 FROM "initiative"

2326 UNION ALL

2327 SELECT

2328 "revoked" AS "occurrence",

2329 'initiative_revoked'::"timeline_event" AS "event",

2330 "id" AS "initiative_id"

2331 FROM "initiative" WHERE "revoked" NOTNULL;

2332

2333 COMMENT ON VIEW "timeline_initiative" IS 'Helper view for "timeline" view (DEPRECATED)';

2334

2335

2336 CREATE VIEW "timeline_draft" AS

2337 SELECT

2338 "created" AS "occurrence",

2339 'draft_created'::"timeline_event" AS "event",

2340 "id" AS "draft_id"

2341 FROM "draft";

2342

2343 COMMENT ON VIEW "timeline_draft" IS 'Helper view for "timeline" view (DEPRECATED)';

2344

2345

2346 CREATE VIEW "timeline_suggestion" AS

2347 SELECT

2348 "created" AS "occurrence",

2349 'suggestion_created'::"timeline_event" AS "event",

2350 "id" AS "suggestion_id"

2351 FROM "suggestion";

2352

2353 COMMENT ON VIEW "timeline_suggestion" IS 'Helper view for "timeline" view (DEPRECATED)';

2354

2355

2356 CREATE VIEW "timeline" AS

2357 SELECT

2358 "occurrence",

2359 "event",

2360 "issue_id",

2361 NULL AS "initiative_id",

2362 NULL::INT8 AS "draft_id", -- TODO: Why do we need a type-cast here? Is this due to 32 bit architecture?

2363 NULL::INT8 AS "suggestion_id"

2364 FROM "timeline_issue"

2365 UNION ALL

2366 SELECT

2367 "occurrence",

2368 "event",

2369 NULL AS "issue_id",

2370 "initiative_id",

2371 NULL AS "draft_id",

2372 NULL AS "suggestion_id"

2373 FROM "timeline_initiative"

2374 UNION ALL

2375 SELECT

2376 "occurrence",

2377 "event",

2378 NULL AS "issue_id",

2379 NULL AS "initiative_id",

2380 "draft_id",

2381 NULL AS "suggestion_id"

2382 FROM "timeline_draft"

2383 UNION ALL

2384 SELECT

2385 "occurrence",

2386 "event",

2387 NULL AS "issue_id",

2388 NULL AS "initiative_id",

2389 NULL AS "draft_id",

2390 "suggestion_id"

2391 FROM "timeline_suggestion";

2392

2393 COMMENT ON VIEW "timeline" IS 'Aggregation of different events in the system (DEPRECATED)';

2394

2395

2396

2397 ------------------------------------------------------

2398 -- Row set returning function for delegation chains --

2399 ------------------------------------------------------

2400

2401

2402 CREATE TYPE "delegation_chain_loop_tag" AS ENUM

2403 ('first', 'intermediate', 'last', 'repetition');

2404

2405 COMMENT ON TYPE "delegation_chain_loop_tag" IS 'Type for loop tags in "delegation_chain_row" type';

2406

2407

2408 CREATE TYPE "delegation_chain_row" AS (

2409 "index" INT4,

2410 "member_id" INT4,

2411 "member_valid" BOOLEAN,

2412 "participation" BOOLEAN,

2413 "overridden" BOOLEAN,

2414 "scope_in" "delegation_scope",

2415 "scope_out" "delegation_scope",

2416 "disabled_out" BOOLEAN,

2417 "loop" "delegation_chain_loop_tag" );

2418

2419 COMMENT ON TYPE "delegation_chain_row" IS 'Type of rows returned by "delegation_chain" function';

2420

2421 COMMENT ON COLUMN "delegation_chain_row"."index" IS 'Index starting with 0 and counting up';

2422 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';

2423 COMMENT ON COLUMN "delegation_chain_row"."overridden" IS 'True, if an entry with lower index has "participation" set to true';

2424 COMMENT ON COLUMN "delegation_chain_row"."scope_in" IS 'Scope of used incoming delegation';

2425 COMMENT ON COLUMN "delegation_chain_row"."scope_out" IS 'Scope of used outgoing delegation';

2426 COMMENT ON COLUMN "delegation_chain_row"."disabled_out" IS 'Outgoing delegation is explicitly disabled by a delegation with trustee_id set to NULL';

2427 COMMENT ON COLUMN "delegation_chain_row"."loop" IS 'Not null, if member is part of a loop, see "delegation_chain_loop_tag" type';

2428

2429

2430 CREATE FUNCTION "delegation_chain_for_closed_issue"

2431 ( "member_id_p" "member"."id"%TYPE,

2432 "issue_id_p" "issue"."id"%TYPE )

2433 RETURNS SETOF "delegation_chain_row"

2434 LANGUAGE 'plpgsql' STABLE AS $$

2435 DECLARE

2436 "output_row" "delegation_chain_row";

2437 "direct_voter_row" "direct_voter"%ROWTYPE;

2438 "delegating_voter_row" "delegating_voter"%ROWTYPE;

2439 BEGIN

2440 "output_row"."index" := 0;

2441 "output_row"."member_id" := "member_id_p";

2442 "output_row"."member_valid" := TRUE;

2443 "output_row"."participation" := FALSE;

2444 "output_row"."overridden" := FALSE;

2445 "output_row"."disabled_out" := FALSE;

2446 LOOP

2447 SELECT INTO "direct_voter_row" * FROM "direct_voter"

2448 WHERE "issue_id" = "issue_id_p"

2449 AND "member_id" = "output_row"."member_id";

2450 IF "direct_voter_row"."member_id" NOTNULL THEN

2451 "output_row"."participation" := TRUE;

2452 "output_row"."scope_out" := NULL;

2453 "output_row"."disabled_out" := NULL;

2454 RETURN NEXT "output_row";

2455 RETURN;

2456 END IF;

2457 SELECT INTO "delegating_voter_row" * FROM "delegating_voter"

2458 WHERE "issue_id" = "issue_id_p"

2459 AND "member_id" = "output_row"."member_id";

2460 IF "delegating_voter_row"."member_id" ISNULL THEN

2461 RETURN;

2462 END IF;

2463 "output_row"."scope_out" := "delegating_voter_row"."scope";

2464 RETURN NEXT "output_row";

2465 "output_row"."member_id" := "delegating_voter_row"."delegate_member_ids"[1];

2466 "output_row"."scope_in" := "output_row"."scope_out";

2467 END LOOP;

2468 END;

2469 $$;

2470

2471 COMMENT ON FUNCTION "delegation_chain_for_closed_issue"

2472 ( "member"."id"%TYPE,

2473 "member"."id"%TYPE )

2474 IS 'Helper function for "delegation_chain" function, handling the special case of closed issues after voting';

2475

2476

2477 CREATE FUNCTION "delegation_chain"

2478 ( "member_id_p" "member"."id"%TYPE,

2479 "unit_id_p" "unit"."id"%TYPE,

2480 "area_id_p" "area"."id"%TYPE,

2481 "issue_id_p" "issue"."id"%TYPE,

2482 "simulate_trustee_id_p" "member"."id"%TYPE DEFAULT NULL,

2483 "simulate_default_p" BOOLEAN DEFAULT FALSE )

2484 RETURNS SETOF "delegation_chain_row"

2485 LANGUAGE 'plpgsql' STABLE AS $$

2486 DECLARE

2487 "scope_v" "delegation_scope";

2488 "unit_id_v" "unit"."id"%TYPE;

2489 "area_id_v" "area"."id"%TYPE;

2490 "issue_row" "issue"%ROWTYPE;

2491 "visited_member_ids" INT4[]; -- "member"."id"%TYPE[]

2492 "loop_member_id_v" "member"."id"%TYPE;

2493 "output_row" "delegation_chain_row";

2494 "output_rows" "delegation_chain_row"[];

2495 "simulate_v" BOOLEAN;

2496 "simulate_here_v" BOOLEAN;

2497 "delegation_row" "delegation"%ROWTYPE;

2498 "row_count" INT4;

2499 "i" INT4;

2500 "loop_v" BOOLEAN;

2501 BEGIN

2502 IF "simulate_trustee_id_p" NOTNULL AND "simulate_default_p" THEN

2503 RAISE EXCEPTION 'Both "simulate_trustee_id_p" is set, and "simulate_default_p" is true';

2504 END IF;

2505 IF "simulate_trustee_id_p" NOTNULL OR "simulate_default_p" THEN

2506 "simulate_v" := TRUE;

2507 ELSE

2508 "simulate_v" := FALSE;

2509 END IF;

2510 IF

2511 "unit_id_p" NOTNULL AND

2512 "area_id_p" ISNULL AND

2513 "issue_id_p" ISNULL

2514 THEN

2515 "scope_v" := 'unit';

2516 "unit_id_v" := "unit_id_p";

2517 ELSIF

2518 "unit_id_p" ISNULL AND

2519 "area_id_p" NOTNULL AND

2520 "issue_id_p" ISNULL

2521 THEN

2522 "scope_v" := 'area';

2523 "area_id_v" := "area_id_p";

2524 SELECT "unit_id" INTO "unit_id_v"

2525 FROM "area" WHERE "id" = "area_id_v";

2526 ELSIF

2527 "unit_id_p" ISNULL AND

2528 "area_id_p" ISNULL AND

2529 "issue_id_p" NOTNULL

2530 THEN

2531 SELECT INTO "issue_row" * FROM "issue" WHERE "id" = "issue_id_p";

2532 IF "issue_row"."id" ISNULL THEN

2533 RETURN;

2534 END IF;

2535 IF "issue_row"."closed" NOTNULL THEN

2536 IF "simulate_v" THEN

2537 RAISE EXCEPTION 'Tried to simulate delegation chain for closed issue.';

2538 END IF;

2539 FOR "output_row" IN

2540 SELECT * FROM

2541 "delegation_chain_for_closed_issue"("member_id_p", "issue_id_p")

2542 LOOP

2543 RETURN NEXT "output_row";

2544 END LOOP;

2545 RETURN;

2546 END IF;

2547 "scope_v" := 'issue';

2548 SELECT "area_id" INTO "area_id_v"

2549 FROM "issue" WHERE "id" = "issue_id_p";

2550 SELECT "unit_id" INTO "unit_id_v"

2551 FROM "area" WHERE "id" = "area_id_v";

2552 ELSE

2553 RAISE EXCEPTION 'Exactly one of unit_id_p, area_id_p, or issue_id_p must be NOTNULL.';

2554 END IF;

2555 "visited_member_ids" := '{}';

2556 "loop_member_id_v" := NULL;

2557 "output_rows" := '{}';

2558 "output_row"."index" := 0;

2559 "output_row"."member_id" := "member_id_p";

2560 "output_row"."member_valid" := TRUE;

2561 "output_row"."participation" := FALSE;

2562 "output_row"."overridden" := FALSE;

2563 "output_row"."disabled_out" := FALSE;

2564 "output_row"."scope_out" := NULL;

2565 LOOP

2566 IF "visited_member_ids" @> ARRAY["output_row"."member_id"] THEN

2567 "loop_member_id_v" := "output_row"."member_id";

2568 ELSE

2569 "visited_member_ids" :=

2570 "visited_member_ids" || "output_row"."member_id";

2571 END IF;

2572 IF "output_row"."participation" ISNULL THEN

2573 "output_row"."overridden" := NULL;

2574 ELSIF "output_row"."participation" THEN

2575 "output_row"."overridden" := TRUE;

2576 END IF;

2577 "output_row"."scope_in" := "output_row"."scope_out";

2578 "output_row"."member_valid" := EXISTS (

2579 SELECT NULL FROM "member" JOIN "privilege"

2580 ON "privilege"."member_id" = "member"."id"

2581 AND "privilege"."unit_id" = "unit_id_v"

2582 WHERE "id" = "output_row"."member_id"

2583 AND "member"."active" AND "privilege"."voting_right"

2584 );

2585 "simulate_here_v" := (

2586 "simulate_v" AND

2587 "output_row"."member_id" = "member_id_p"

2588 );

2589 "delegation_row" := ROW(NULL);

2590 IF "output_row"."member_valid" OR "simulate_here_v" THEN

2591 IF "scope_v" = 'unit' THEN

2592 IF NOT "simulate_here_v" THEN

2593 SELECT * INTO "delegation_row" FROM "delegation"

2594 WHERE "truster_id" = "output_row"."member_id"

2595 AND "unit_id" = "unit_id_v";

2596 END IF;

2597 ELSIF "scope_v" = 'area' THEN

2598 "output_row"."participation" := EXISTS (

2599 SELECT NULL FROM "membership"

2600 WHERE "area_id" = "area_id_p"

2601 AND "member_id" = "output_row"."member_id"

2602 );

2603 IF "simulate_here_v" THEN

2604 IF "simulate_trustee_id_p" ISNULL THEN

2605 SELECT * INTO "delegation_row" FROM "delegation"

2606 WHERE "truster_id" = "output_row"."member_id"

2607 AND "unit_id" = "unit_id_v";

2608 END IF;

2609 ELSE

2610 SELECT * INTO "delegation_row" FROM "delegation"

2611 WHERE "truster_id" = "output_row"."member_id"

2612 AND (

2613 "unit_id" = "unit_id_v" OR

2614 "area_id" = "area_id_v"

2615 )

2616 ORDER BY "scope" DESC;

2617 END IF;

2618 ELSIF "scope_v" = 'issue' THEN

2619 IF "issue_row"."fully_frozen" ISNULL THEN

2620 "output_row"."participation" := EXISTS (

2621 SELECT NULL FROM "interest"

2622 WHERE "issue_id" = "issue_id_p"

2623 AND "member_id" = "output_row"."member_id"

2624 );

2625 ELSE

2626 IF "output_row"."member_id" = "member_id_p" THEN

2627 "output_row"."participation" := EXISTS (

2628 SELECT NULL FROM "direct_voter"

2629 WHERE "issue_id" = "issue_id_p"

2630 AND "member_id" = "output_row"."member_id"

2631 );

2632 ELSE

2633 "output_row"."participation" := NULL;

2634 END IF;

2635 END IF;

2636 IF "simulate_here_v" THEN

2637 IF "simulate_trustee_id_p" ISNULL THEN

2638 SELECT * INTO "delegation_row" FROM "delegation"

2639 WHERE "truster_id" = "output_row"."member_id"

2640 AND (

2641 "unit_id" = "unit_id_v" OR

2642 "area_id" = "area_id_v"

2643 )

2644 ORDER BY "scope" DESC;

2645 END IF;

2646 ELSE

2647 SELECT * INTO "delegation_row" FROM "delegation"

2648 WHERE "truster_id" = "output_row"."member_id"

2649 AND (

2650 "unit_id" = "unit_id_v" OR

2651 "area_id" = "area_id_v" OR

2652 "issue_id" = "issue_id_p"

2653 )

2654 ORDER BY "scope" DESC;

2655 END IF;

2656 END IF;

2657 ELSE

2658 "output_row"."participation" := FALSE;

2659 END IF;

2660 IF "simulate_here_v" AND "simulate_trustee_id_p" NOTNULL THEN

2661 "output_row"."scope_out" := "scope_v";

2662 "output_rows" := "output_rows" || "output_row";

2663 "output_row"."member_id" := "simulate_trustee_id_p";

2664 ELSIF "delegation_row"."trustee_id" NOTNULL THEN

2665 "output_row"."scope_out" := "delegation_row"."scope";

2666 "output_rows" := "output_rows" || "output_row";

2667 "output_row"."member_id" := "delegation_row"."trustee_id";

2668 ELSIF "delegation_row"."scope" NOTNULL THEN

2669 "output_row"."scope_out" := "delegation_row"."scope";

2670 "output_row"."disabled_out" := TRUE;

2671 "output_rows" := "output_rows" || "output_row";

2672 EXIT;

2673 ELSE

2674 "output_row"."scope_out" := NULL;

2675 "output_rows" := "output_rows" || "output_row";

2676 EXIT;

2677 END IF;

2678 EXIT WHEN "loop_member_id_v" NOTNULL;

2679 "output_row"."index" := "output_row"."index" + 1;

2680 END LOOP;

2681 "row_count" := array_upper("output_rows", 1);

2682 "i" := 1;

2683 "loop_v" := FALSE;

2684 LOOP

2685 "output_row" := "output_rows"["i"];

2686 EXIT WHEN "output_row" ISNULL; -- NOTE: ISNULL and NOT ... NOTNULL produce different results!

2687 IF "loop_v" THEN

2688 IF "i" + 1 = "row_count" THEN

2689 "output_row"."loop" := 'last';

2690 ELSIF "i" = "row_count" THEN

2691 "output_row"."loop" := 'repetition';

2692 ELSE

2693 "output_row"."loop" := 'intermediate';

2694 END IF;

2695 ELSIF "output_row"."member_id" = "loop_member_id_v" THEN

2696 "output_row"."loop" := 'first';

2697 "loop_v" := TRUE;

2698 END IF;

2699 IF "scope_v" = 'unit' THEN

2700 "output_row"."participation" := NULL;

2701 END IF;

2702 RETURN NEXT "output_row";

2703 "i" := "i" + 1;

2704 END LOOP;

2705 RETURN;

2706 END;

2707 $$;

2708

2709 COMMENT ON FUNCTION "delegation_chain"

2710 ( "member"."id"%TYPE,

2711 "unit"."id"%TYPE,

2712 "area"."id"%TYPE,

2713 "issue"."id"%TYPE,

2714 "member"."id"%TYPE,

2715 BOOLEAN )

2716 IS 'Shows a delegation chain for unit, area, or issue; See "delegation_chain_row" type for more information';

2717

2718

2719

2720 ---------------------------------------------------------

2721 -- Single row returning function for delegation chains --

2722 ---------------------------------------------------------

2723

2724

2725 CREATE TYPE "delegation_info_loop_type" AS ENUM

2726 ('own', 'first', 'first_ellipsis', 'other', 'other_ellipsis');

2727

2728 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''';

2729

2730

2731 CREATE TYPE "delegation_info_type" AS (

2732 "own_participation" BOOLEAN,

2733 "own_delegation_scope" "delegation_scope",

2734 "first_trustee_id" INT4,

2735 "first_trustee_participation" BOOLEAN,

2736 "first_trustee_ellipsis" BOOLEAN,

2737 "other_trustee_id" INT4,

2738 "other_trustee_participation" BOOLEAN,

2739 "other_trustee_ellipsis" BOOLEAN,

2740 "delegation_loop" "delegation_info_loop_type",

2741 "participating_member_id" INT4 );

2742

2743 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';

2744

2745 COMMENT ON COLUMN "delegation_info_type"."own_participation" IS 'Member is directly participating';

2746 COMMENT ON COLUMN "delegation_info_type"."own_delegation_scope" IS 'Delegation scope of member';

2747 COMMENT ON COLUMN "delegation_info_type"."first_trustee_id" IS 'Direct trustee of member';

2748 COMMENT ON COLUMN "delegation_info_type"."first_trustee_participation" IS 'Direct trustee of member is participating';

2749 COMMENT ON COLUMN "delegation_info_type"."first_trustee_ellipsis" IS 'Ellipsis in delegation chain after "first_trustee"';

2750 COMMENT ON COLUMN "delegation_info_type"."other_trustee_id" IS 'Another relevant trustee (due to participation)';

2751 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)';

2752 COMMENT ON COLUMN "delegation_info_type"."other_trustee_ellipsis" IS 'Ellipsis in delegation chain after "other_trustee"';

2753 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';

2754 COMMENT ON COLUMN "delegation_info_type"."participating_member_id" IS 'First participating member in delegation chain';

2755

2756

2757 CREATE FUNCTION "delegation_info"

2758 ( "member_id_p" "member"."id"%TYPE,

2759 "unit_id_p" "unit"."id"%TYPE,

2760 "area_id_p" "area"."id"%TYPE,

2761 "issue_id_p" "issue"."id"%TYPE,

2762 "simulate_trustee_id_p" "member"."id"%TYPE DEFAULT NULL,

2763 "simulate_default_p" BOOLEAN DEFAULT FALSE )

2764 RETURNS "delegation_info_type"

2765 LANGUAGE 'plpgsql' STABLE AS $$

2766 DECLARE

2767 "current_row" "delegation_chain_row";

2768 "result" "delegation_info_type";

2769 BEGIN

2770 "result"."own_participation" := FALSE;

2771 FOR "current_row" IN

2772 SELECT * FROM "delegation_chain"(

2773 "member_id_p",

2774 "unit_id_p", "area_id_p", "issue_id_p",

2775 "simulate_trustee_id_p", "simulate_default_p")

2776 LOOP

2777 IF

2778 "result"."participating_member_id" ISNULL AND

2779 "current_row"."participation"

2780 THEN

2781 "result"."participating_member_id" := "current_row"."member_id";

2782 END IF;

2783 IF "current_row"."member_id" = "member_id_p" THEN

2784 "result"."own_participation" := "current_row"."participation";

2785 "result"."own_delegation_scope" := "current_row"."scope_out";

2786 IF "current_row"."loop" = 'first' THEN

2787 "result"."delegation_loop" := 'own';

2788 END IF;

2789 ELSIF

2790 "current_row"."member_valid" AND

2791 ( "current_row"."loop" ISNULL OR

2792 "current_row"."loop" != 'repetition' )

2793 THEN

2794 IF "result"."first_trustee_id" ISNULL THEN

2795 "result"."first_trustee_id" := "current_row"."member_id";

2796 "result"."first_trustee_participation" := "current_row"."participation";

2797 "result"."first_trustee_ellipsis" := FALSE;

2798 IF "current_row"."loop" = 'first' THEN

2799 "result"."delegation_loop" := 'first';

2800 END IF;

2801 ELSIF "result"."other_trustee_id" ISNULL THEN

2802 IF "current_row"."participation" AND NOT "current_row"."overridden" THEN

2803 "result"."other_trustee_id" := "current_row"."member_id";

2804 "result"."other_trustee_participation" := TRUE;

2805 "result"."other_trustee_ellipsis" := FALSE;

2806 IF "current_row"."loop" = 'first' THEN

2807 "result"."delegation_loop" := 'other';

2808 END IF;

2809 ELSE

2810 "result"."first_trustee_ellipsis" := TRUE;

2811 IF "current_row"."loop" = 'first' THEN

2812 "result"."delegation_loop" := 'first_ellipsis';

2813 END IF;

2814 END IF;

2815 ELSE

2816 "result"."other_trustee_ellipsis" := TRUE;

2817 IF "current_row"."loop" = 'first' THEN

2818 "result"."delegation_loop" := 'other_ellipsis';

2819 END IF;

2820 END IF;

2821 END IF;

2822 END LOOP;

2823 RETURN "result";

2824 END;

2825 $$;

2826

2827 COMMENT ON FUNCTION "delegation_info"

2828 ( "member"."id"%TYPE,

2829 "unit"."id"%TYPE,

2830 "area"."id"%TYPE,

2831 "issue"."id"%TYPE,

2832 "member"."id"%TYPE,

2833 BOOLEAN )

2834 IS 'Notable information about a delegation chain for unit, area, or issue; See "delegation_info_type" for more information';

2835

2836

2837

2838 ------------------------------

2839 -- Comparison by vote count --

2840 ------------------------------

2841

2842 CREATE FUNCTION "vote_ratio"

2843 ( "positive_votes_p" "initiative"."positive_votes"%TYPE,

2844 "negative_votes_p" "initiative"."negative_votes"%TYPE )

2845 RETURNS FLOAT8

2846 LANGUAGE 'plpgsql' STABLE AS $$

2847 BEGIN

2848 IF "positive_votes_p" > 0 AND "negative_votes_p" > 0 THEN

2849 RETURN

2850 "positive_votes_p"::FLOAT8 /

2851 ("positive_votes_p" + "negative_votes_p")::FLOAT8;

2852 ELSIF "positive_votes_p" > 0 THEN

2853 RETURN "positive_votes_p";

2854 ELSIF "negative_votes_p" > 0 THEN

2855 RETURN 1 - "negative_votes_p";

2856 ELSE

2857 RETURN 0.5;

2858 END IF;

2859 END;

2860 $$;

2861

2862 COMMENT ON FUNCTION "vote_ratio"

2863 ( "initiative"."positive_votes"%TYPE,

2864 "initiative"."negative_votes"%TYPE )

2865 IS 'Returns a number, which can be used for comparison of initiatives based on count of approvals and disapprovals. Greater numbers indicate a better result. This function is NOT injective.';

2866

2867

2868

2869 ------------------------------------------------

2870 -- Locking for snapshots and voting procedure --

2871 ------------------------------------------------

2872

2873

2874 CREATE FUNCTION "share_row_lock_issue_trigger"()

2875 RETURNS TRIGGER

2876 LANGUAGE 'plpgsql' VOLATILE AS $$

2877 BEGIN

2878 IF TG_OP = 'UPDATE' OR TG_OP = 'DELETE' THEN

2879 PERFORM NULL FROM "issue" WHERE "id" = OLD."issue_id" FOR SHARE;

2880 END IF;

2881 IF TG_OP = 'INSERT' OR TG_OP = 'UPDATE' THEN

2882 PERFORM NULL FROM "issue" WHERE "id" = NEW."issue_id" FOR SHARE;

2883 RETURN NEW;

2884 ELSE

2885 RETURN OLD;

2886 END IF;

2887 END;

2888 $$;

2889

2890 COMMENT ON FUNCTION "share_row_lock_issue_trigger"() IS 'Implementation of triggers "share_row_lock_issue" on multiple tables';

2891

2892

2893 CREATE FUNCTION "share_row_lock_issue_via_initiative_trigger"()

2894 RETURNS TRIGGER

2895 LANGUAGE 'plpgsql' VOLATILE AS $$

2896 BEGIN

2897 IF TG_OP = 'UPDATE' OR TG_OP = 'DELETE' THEN

2898 PERFORM NULL FROM "issue"

2899 JOIN "initiative" ON "issue"."id" = "initiative"."issue_id"

2900 WHERE "initiative"."id" = OLD."initiative_id"

2901 FOR SHARE OF "issue";

2902 END IF;

2903 IF TG_OP = 'INSERT' OR TG_OP = 'UPDATE' THEN

2904 PERFORM NULL FROM "issue"

2905 JOIN "initiative" ON "issue"."id" = "initiative"."issue_id"

2906 WHERE "initiative"."id" = NEW."initiative_id"

2907 FOR SHARE OF "issue";

2908 RETURN NEW;

2909 ELSE

2910 RETURN OLD;

2911 END IF;

2912 END;

2913 $$;

2914

2915 COMMENT ON FUNCTION "share_row_lock_issue_trigger"() IS 'Implementation of trigger "share_row_lock_issue_via_initiative" on table "opinion"';

2916

2917

2918 CREATE TRIGGER "share_row_lock_issue"

2919 BEFORE INSERT OR UPDATE OR DELETE ON "initiative"

2920 FOR EACH ROW EXECUTE PROCEDURE

2921 "share_row_lock_issue_trigger"();

2922

2923 CREATE TRIGGER "share_row_lock_issue"

2924 BEFORE INSERT OR UPDATE OR DELETE ON "interest"

2925 FOR EACH ROW EXECUTE PROCEDURE

2926 "share_row_lock_issue_trigger"();

2927

2928 CREATE TRIGGER "share_row_lock_issue"

2929 BEFORE INSERT OR UPDATE OR DELETE ON "supporter"

2930 FOR EACH ROW EXECUTE PROCEDURE

2931 "share_row_lock_issue_trigger"();

2932

2933 CREATE TRIGGER "share_row_lock_issue_via_initiative"

2934 BEFORE INSERT OR UPDATE OR DELETE ON "opinion"

2935 FOR EACH ROW EXECUTE PROCEDURE

2936 "share_row_lock_issue_via_initiative_trigger"();

2937

2938 CREATE TRIGGER "share_row_lock_issue"

2939 BEFORE INSERT OR UPDATE OR DELETE ON "direct_voter"

2940 FOR EACH ROW EXECUTE PROCEDURE

2941 "share_row_lock_issue_trigger"();

2942

2943 CREATE TRIGGER "share_row_lock_issue"

2944 BEFORE INSERT OR UPDATE OR DELETE ON "delegating_voter"

2945 FOR EACH ROW EXECUTE PROCEDURE

2946 "share_row_lock_issue_trigger"();

2947

2948 CREATE TRIGGER "share_row_lock_issue"

2949 BEFORE INSERT OR UPDATE OR DELETE ON "vote"

2950 FOR EACH ROW EXECUTE PROCEDURE

2951 "share_row_lock_issue_trigger"();

2952

2953 COMMENT ON TRIGGER "share_row_lock_issue" ON "initiative" IS 'See "lock_issue" function';

2954 COMMENT ON TRIGGER "share_row_lock_issue" ON "interest" IS 'See "lock_issue" function';

2955 COMMENT ON TRIGGER "share_row_lock_issue" ON "supporter" IS 'See "lock_issue" function';

2956 COMMENT ON TRIGGER "share_row_lock_issue_via_initiative" ON "opinion" IS 'See "lock_issue" function';

2957 COMMENT ON TRIGGER "share_row_lock_issue" ON "direct_voter" IS 'See "lock_issue" function';

2958 COMMENT ON TRIGGER "share_row_lock_issue" ON "delegating_voter" IS 'See "lock_issue" function';

2959 COMMENT ON TRIGGER "share_row_lock_issue" ON "vote" IS 'See "lock_issue" function';

2960

2961

2962 CREATE FUNCTION "lock_issue"

2963 ( "issue_id_p" "issue"."id"%TYPE )

2964 RETURNS VOID

2965 LANGUAGE 'plpgsql' VOLATILE AS $$

2966 BEGIN

2967 LOCK TABLE "member" IN SHARE MODE;

2968 LOCK TABLE "privilege" IN SHARE MODE;

2969 LOCK TABLE "membership" IN SHARE MODE;

2970 LOCK TABLE "policy" IN SHARE MODE;

2971 PERFORM NULL FROM "issue" WHERE "id" = "issue_id_p" FOR UPDATE;

2972 -- NOTE: The row-level exclusive lock in combination with the

2973 -- share_row_lock_issue(_via_initiative)_trigger functions (which

2974 -- acquire a row-level share lock on the issue) ensure that no data

2975 -- is changed, which could affect calculation of snapshots or

2976 -- counting of votes. Table "delegation" must be table-level-locked,

2977 -- as it also contains issue- and global-scope delegations.

2978 LOCK TABLE "delegation" IN SHARE MODE;

2979 LOCK TABLE "direct_population_snapshot" IN EXCLUSIVE MODE;

2980 LOCK TABLE "delegating_population_snapshot" IN EXCLUSIVE MODE;

2981 LOCK TABLE "direct_interest_snapshot" IN EXCLUSIVE MODE;

2982 LOCK TABLE "delegating_interest_snapshot" IN EXCLUSIVE MODE;

2983 LOCK TABLE "direct_supporter_snapshot" IN EXCLUSIVE MODE;

2984 RETURN;

2985 END;

2986 $$;

2987

2988 COMMENT ON FUNCTION "lock_issue"

2989 ( "issue"."id"%TYPE )

2990 IS 'Locks the issue and all other data which is used for calculating snapshots or counting votes.';

2991

2992

2993

2994 ------------------------------------------------------------------------

2995 -- Regular tasks, except calculcation of snapshots and voting results --

2996 ------------------------------------------------------------------------

2997

2998 CREATE FUNCTION "check_activity"()

2999 RETURNS VOID

3000 LANGUAGE 'plpgsql' VOLATILE AS $$

3001 DECLARE

3002 "system_setting_row" "system_setting"%ROWTYPE;

3003 BEGIN

3004 SELECT * INTO "system_setting_row" FROM "system_setting";

3005 LOCK TABLE "member" IN SHARE ROW EXCLUSIVE MODE;

3006 IF "system_setting_row"."member_ttl" NOTNULL THEN

3007 UPDATE "member" SET "active" = FALSE

3008 WHERE "active" = TRUE

3009 AND "last_activity" < (now() - "system_setting_row"."member_ttl")::DATE;

3010 END IF;

3011 RETURN;

3012 END;

3013 $$;

3014

3015 COMMENT ON FUNCTION "check_activity"() IS 'Deactivates members when "last_activity" is older than "system_setting"."member_ttl".';

3016

3017

3018 CREATE FUNCTION "calculate_member_counts"()

3019 RETURNS VOID

3020 LANGUAGE 'plpgsql' VOLATILE AS $$

3021 BEGIN

3022 LOCK TABLE "member" IN SHARE MODE;

3023 LOCK TABLE "member_count" IN EXCLUSIVE MODE;

3024 LOCK TABLE "unit" IN EXCLUSIVE MODE;

3025 LOCK TABLE "area" IN EXCLUSIVE MODE;

3026 LOCK TABLE "privilege" IN SHARE MODE;

3027 LOCK TABLE "membership" IN SHARE MODE;

3028 DELETE FROM "member_count";

3029 INSERT INTO "member_count" ("total_count")

3030 SELECT "total_count" FROM "member_count_view";

3031 UPDATE "unit" SET "member_count" = "view"."member_count"

3032 FROM "unit_member_count" AS "view"

3033 WHERE "view"."unit_id" = "unit"."id";

3034 UPDATE "area" SET

3035 "direct_member_count" = "view"."direct_member_count",

3036 "member_weight" = "view"."member_weight"

3037 FROM "area_member_count" AS "view"

3038 WHERE "view"."area_id" = "area"."id";

3039 RETURN;

3040 END;

3041 $$;

3042

3043 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"';

3044

3045

3046

3047 ------------------------------

3048 -- Calculation of snapshots --

3049 ------------------------------

3050

3051 CREATE FUNCTION "weight_of_added_delegations_for_population_snapshot"

3052 ( "issue_id_p" "issue"."id"%TYPE,

3053 "member_id_p" "member"."id"%TYPE,

3054 "delegate_member_ids_p" "delegating_population_snapshot"."delegate_member_ids"%TYPE )

3055 RETURNS "direct_population_snapshot"."weight"%TYPE

3056 LANGUAGE 'plpgsql' VOLATILE AS $$

3057 DECLARE

3058 "issue_delegation_row" "issue_delegation"%ROWTYPE;

3059 "delegate_member_ids_v" "delegating_population_snapshot"."delegate_member_ids"%TYPE;

3060 "weight_v" INT4;

3061 "sub_weight_v" INT4;

3062 BEGIN

3063 "weight_v" := 0;

3064 FOR "issue_delegation_row" IN

3065 SELECT * FROM "issue_delegation"

3066 WHERE "trustee_id" = "member_id_p"

3067 AND "issue_id" = "issue_id_p"

3068 LOOP

3069 IF NOT EXISTS (

3070 SELECT NULL FROM "direct_population_snapshot"

3071 WHERE "issue_id" = "issue_id_p"

3072 AND "event" = 'periodic'

3073 AND "member_id" = "issue_delegation_row"."truster_id"

3074 ) AND NOT EXISTS (

3075 SELECT NULL FROM "delegating_population_snapshot"

3076 WHERE "issue_id" = "issue_id_p"

3077 AND "event" = 'periodic'

3078 AND "member_id" = "issue_delegation_row"."truster_id"

3079 ) THEN

3080 "delegate_member_ids_v" :=

3081 "member_id_p" || "delegate_member_ids_p";

3082 INSERT INTO "delegating_population_snapshot" (

3083 "issue_id",

3084 "event",

3085 "member_id",

3086 "scope",

3087 "delegate_member_ids"

3088 ) VALUES (

3089 "issue_id_p",

3090 'periodic',

3091 "issue_delegation_row"."truster_id",

3092 "issue_delegation_row"."scope",

3093 "delegate_member_ids_v"

3094 );

3095 "sub_weight_v" := 1 +

3096 "weight_of_added_delegations_for_population_snapshot"(

3097 "issue_id_p",

3098 "issue_delegation_row"."truster_id",

3099 "delegate_member_ids_v"

3100 );

3101 UPDATE "delegating_population_snapshot"

3102 SET "weight" = "sub_weight_v"

3103 WHERE "issue_id" = "issue_id_p"

3104 AND "event" = 'periodic'

3105 AND "member_id" = "issue_delegation_row"."truster_id";

3106 "weight_v" := "weight_v" + "sub_weight_v";

3107 END IF;

3108 END LOOP;

3109 RETURN "weight_v";

3110 END;

3111 $$;

3112

3113 COMMENT ON FUNCTION "weight_of_added_delegations_for_population_snapshot"

3114 ( "issue"."id"%TYPE,

3115 "member"."id"%TYPE,

3116 "delegating_population_snapshot"."delegate_member_ids"%TYPE )

3117 IS 'Helper function for "create_population_snapshot" function';

3118

3119

3120 CREATE FUNCTION "create_population_snapshot"

3121 ( "issue_id_p" "issue"."id"%TYPE )

3122 RETURNS VOID

3123 LANGUAGE 'plpgsql' VOLATILE AS $$

3124 DECLARE

3125 "member_id_v" "member"."id"%TYPE;

3126 BEGIN

3127 DELETE FROM "direct_population_snapshot"

3128 WHERE "issue_id" = "issue_id_p"

3129 AND "event" = 'periodic';

3130 DELETE FROM "delegating_population_snapshot"

3131 WHERE "issue_id" = "issue_id_p"

3132 AND "event" = 'periodic';

3133 INSERT INTO "direct_population_snapshot"

3134 ("issue_id", "event", "member_id")

3135 SELECT

3136 "issue_id_p" AS "issue_id",

3137 'periodic'::"snapshot_event" AS "event",

3138 "member"."id" AS "member_id"

3139 FROM "issue"

3140 JOIN "area" ON "issue"."area_id" = "area"."id"

3141 JOIN "membership" ON "area"."id" = "membership"."area_id"

3142 JOIN "member" ON "membership"."member_id" = "member"."id"

3143 JOIN "privilege"

3144 ON "privilege"."unit_id" = "area"."unit_id"

3145 AND "privilege"."member_id" = "member"."id"

3146 WHERE "issue"."id" = "issue_id_p"

3147 AND "member"."active" AND "privilege"."voting_right"

3148 UNION

3149 SELECT

3150 "issue_id_p" AS "issue_id",

3151 'periodic'::"snapshot_event" AS "event",

3152 "member"."id" AS "member_id"

3153 FROM "issue"

3154 JOIN "area" ON "issue"."area_id" = "area"."id"

3155 JOIN "interest" ON "issue"."id" = "interest"."issue_id"

3156 JOIN "member" ON "interest"."member_id" = "member"."id"

3157 JOIN "privilege"

3158 ON "privilege"."unit_id" = "area"."unit_id"

3159 AND "privilege"."member_id" = "member"."id"

3160 WHERE "issue"."id" = "issue_id_p"

3161 AND "member"."active" AND "privilege"."voting_right";

3162 FOR "member_id_v" IN

3163 SELECT "member_id" FROM "direct_population_snapshot"

3164 WHERE "issue_id" = "issue_id_p"

3165 AND "event" = 'periodic'

3166 LOOP

3167 UPDATE "direct_population_snapshot" SET

3168 "weight" = 1 +

3169 "weight_of_added_delegations_for_population_snapshot"(

3170 "issue_id_p",

3171 "member_id_v",

3172 '{}'

3173 )

3174 WHERE "issue_id" = "issue_id_p"

3175 AND "event" = 'periodic'

3176 AND "member_id" = "member_id_v";

3177 END LOOP;

3178 RETURN;

3179 END;

3180 $$;

3181

3182 COMMENT ON FUNCTION "create_population_snapshot"

3183 ( "issue"."id"%TYPE )

3184 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.';

3185

3186

3187 CREATE FUNCTION "weight_of_added_delegations_for_interest_snapshot"

3188 ( "issue_id_p" "issue"."id"%TYPE,

3189 "member_id_p" "member"."id"%TYPE,

3190 "delegate_member_ids_p" "delegating_interest_snapshot"."delegate_member_ids"%TYPE )

3191 RETURNS "direct_interest_snapshot"."weight"%TYPE

3192 LANGUAGE 'plpgsql' VOLATILE AS $$

3193 DECLARE

3194 "issue_delegation_row" "issue_delegation"%ROWTYPE;

3195 "delegate_member_ids_v" "delegating_interest_snapshot"."delegate_member_ids"%TYPE;

3196 "weight_v" INT4;

3197 "sub_weight_v" INT4;

3198 BEGIN

3199 "weight_v" := 0;

3200 FOR "issue_delegation_row" IN

3201 SELECT * FROM "issue_delegation"

3202 WHERE "trustee_id" = "member_id_p"

3203 AND "issue_id" = "issue_id_p"

3204 LOOP

3205 IF NOT EXISTS (

3206 SELECT NULL FROM "direct_interest_snapshot"

3207 WHERE "issue_id" = "issue_id_p"

3208 AND "event" = 'periodic'

3209 AND "member_id" = "issue_delegation_row"."truster_id"

3210 ) AND NOT EXISTS (

3211 SELECT NULL FROM "delegating_interest_snapshot"

3212 WHERE "issue_id" = "issue_id_p"

3213 AND "event" = 'periodic'

3214 AND "member_id" = "issue_delegation_row"."truster_id"

3215 ) THEN

3216 "delegate_member_ids_v" :=

3217 "member_id_p" || "delegate_member_ids_p";

3218 INSERT INTO "delegating_interest_snapshot" (

3219 "issue_id",

3220 "event",

3221 "member_id",

3222 "scope",

3223 "delegate_member_ids"

3224 ) VALUES (

3225 "issue_id_p",

3226 'periodic',

3227 "issue_delegation_row"."truster_id",

3228 "issue_delegation_row"."scope",

3229 "delegate_member_ids_v"

3230 );

3231 "sub_weight_v" := 1 +

3232 "weight_of_added_delegations_for_interest_snapshot"(

3233 "issue_id_p",

3234 "issue_delegation_row"."truster_id",

3235 "delegate_member_ids_v"

3236 );

3237 UPDATE "delegating_interest_snapshot"

3238 SET "weight" = "sub_weight_v"

3239 WHERE "issue_id" = "issue_id_p"

3240 AND "event" = 'periodic'

3241 AND "member_id" = "issue_delegation_row"."truster_id";

3242 "weight_v" := "weight_v" + "sub_weight_v";

3243 END IF;

3244 END LOOP;

3245 RETURN "weight_v";

3246 END;

3247 $$;

3248

3249 COMMENT ON FUNCTION "weight_of_added_delegations_for_interest_snapshot"

3250 ( "issue"."id"%TYPE,

3251 "member"."id"%TYPE,

3252 "delegating_interest_snapshot"."delegate_member_ids"%TYPE )

3253 IS 'Helper function for "create_interest_snapshot" function';

3254

3255

3256 CREATE FUNCTION "create_interest_snapshot"

3257 ( "issue_id_p" "issue"."id"%TYPE )

3258 RETURNS VOID

3259 LANGUAGE 'plpgsql' VOLATILE AS $$

3260 DECLARE

3261 "member_id_v" "member"."id"%TYPE;

3262 BEGIN

3263 DELETE FROM "direct_interest_snapshot"

3264 WHERE "issue_id" = "issue_id_p"

3265 AND "event" = 'periodic';

3266 DELETE FROM "delegating_interest_snapshot"

3267 WHERE "issue_id" = "issue_id_p"

3268 AND "event" = 'periodic';

3269 DELETE FROM "direct_supporter_snapshot"

3270 WHERE "issue_id" = "issue_id_p"

3271 AND "event" = 'periodic';

3272 INSERT INTO "direct_interest_snapshot"

3273 ("issue_id", "event", "member_id")

3274 SELECT

3275 "issue_id_p" AS "issue_id",

3276 'periodic' AS "event",

3277 "member"."id" AS "member_id"

3278 FROM "issue"

3279 JOIN "area" ON "issue"."area_id" = "area"."id"

3280 JOIN "interest" ON "issue"."id" = "interest"."issue_id"

3281 JOIN "member" ON "interest"."member_id" = "member"."id"

3282 JOIN "privilege"

3283 ON "privilege"."unit_id" = "area"."unit_id"

3284 AND "privilege"."member_id" = "member"."id"

3285 WHERE "issue"."id" = "issue_id_p"

3286 AND "member"."active" AND "privilege"."voting_right";

3287 FOR "member_id_v" IN

3288 SELECT "member_id" FROM "direct_interest_snapshot"

3289 WHERE "issue_id" = "issue_id_p"

3290 AND "event" = 'periodic'

3291 LOOP

3292 UPDATE "direct_interest_snapshot" SET

3293 "weight" = 1 +

3294 "weight_of_added_delegations_for_interest_snapshot"(

3295 "issue_id_p",

3296 "member_id_v",

3297 '{}'

3298 )

3299 WHERE "issue_id" = "issue_id_p"

3300 AND "event" = 'periodic'

3301 AND "member_id" = "member_id_v";

3302 END LOOP;

3303 INSERT INTO "direct_supporter_snapshot"

3304 ( "issue_id", "initiative_id", "event", "member_id",

3305 "draft_id", "informed", "satisfied" )

3306 SELECT

3307 "issue_id_p" AS "issue_id",

3308 "initiative"."id" AS "initiative_id",

3309 'periodic' AS "event",

3310 "supporter"."member_id" AS "member_id",

3311 "supporter"."draft_id" AS "draft_id",

3312 "supporter"."draft_id" = "current_draft"."id" AS "informed",

3313 NOT EXISTS (

3314 SELECT NULL FROM "critical_opinion"

3315 WHERE "initiative_id" = "initiative"."id"

3316 AND "member_id" = "supporter"."member_id"

3317 ) AS "satisfied"

3318 FROM "initiative"

3319 JOIN "supporter"

3320 ON "supporter"."initiative_id" = "initiative"."id"

3321 JOIN "current_draft"

3322 ON "initiative"."id" = "current_draft"."initiative_id"

3323 JOIN "direct_interest_snapshot"

3324 ON "supporter"."member_id" = "direct_interest_snapshot"."member_id"

3325 AND "initiative"."issue_id" = "direct_interest_snapshot"."issue_id"

3326 AND "event" = 'periodic'

3327 WHERE "initiative"."issue_id" = "issue_id_p";

3328 RETURN;

3329 END;

3330 $$;

3331

3332 COMMENT ON FUNCTION "create_interest_snapshot"

3333 ( "issue"."id"%TYPE )

3334 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.';

3335

3336

3337 CREATE FUNCTION "create_snapshot"

3338 ( "issue_id_p" "issue"."id"%TYPE )

3339 RETURNS VOID

3340 LANGUAGE 'plpgsql' VOLATILE AS $$

3341 DECLARE

3342 "initiative_id_v" "initiative"."id"%TYPE;

3343 "suggestion_id_v" "suggestion"."id"%TYPE;

3344 BEGIN

3345 PERFORM "lock_issue"("issue_id_p");

3346 PERFORM "create_population_snapshot"("issue_id_p");

3347 PERFORM "create_interest_snapshot"("issue_id_p");

3348 UPDATE "issue" SET

3349 "snapshot" = now(),

3350 "latest_snapshot_event" = 'periodic',

3351 "population" = (

3352 SELECT coalesce(sum("weight"), 0)

3353 FROM "direct_population_snapshot"

3354 WHERE "issue_id" = "issue_id_p"

3355 AND "event" = 'periodic'

3356 )

3357 WHERE "id" = "issue_id_p";

3358 FOR "initiative_id_v" IN

3359 SELECT "id" FROM "initiative" WHERE "issue_id" = "issue_id_p"

3360 LOOP

3361 UPDATE "initiative" SET

3362 "supporter_count" = (

3363 SELECT coalesce(sum("di"."weight"), 0)

3364 FROM "direct_interest_snapshot" AS "di"

3365 JOIN "direct_supporter_snapshot" AS "ds"

3366 ON "di"."member_id" = "ds"."member_id"

3367 WHERE "di"."issue_id" = "issue_id_p"

3368 AND "di"."event" = 'periodic'

3369 AND "ds"."initiative_id" = "initiative_id_v"

3370 AND "ds"."event" = 'periodic'

3371 ),

3372 "informed_supporter_count" = (

3373 SELECT coalesce(sum("di"."weight"), 0)

3374 FROM "direct_interest_snapshot" AS "di"

3375 JOIN "direct_supporter_snapshot" AS "ds"

3376 ON "di"."member_id" = "ds"."member_id"

3377 WHERE "di"."issue_id" = "issue_id_p"

3378 AND "di"."event" = 'periodic'

3379 AND "ds"."initiative_id" = "initiative_id_v"

3380 AND "ds"."event" = 'periodic'

3381 AND "ds"."informed"

3382 ),

3383 "satisfied_supporter_count" = (

3384 SELECT coalesce(sum("di"."weight"), 0)

3385 FROM "direct_interest_snapshot" AS "di"

3386 JOIN "direct_supporter_snapshot" AS "ds"

3387 ON "di"."member_id" = "ds"."member_id"

3388 WHERE "di"."issue_id" = "issue_id_p"

3389 AND "di"."event" = 'periodic'

3390 AND "ds"."initiative_id" = "initiative_id_v"

3391 AND "ds"."event" = 'periodic'

3392 AND "ds"."satisfied"

3393 ),

3394 "satisfied_informed_supporter_count" = (

3395 SELECT coalesce(sum("di"."weight"), 0)

3396 FROM "direct_interest_snapshot" AS "di"

3397 JOIN "direct_supporter_snapshot" AS "ds"

3398 ON "di"."member_id" = "ds"."member_id"

3399 WHERE "di"."issue_id" = "issue_id_p"

3400 AND "di"."event" = 'periodic'

3401 AND "ds"."initiative_id" = "initiative_id_v"

3402 AND "ds"."event" = 'periodic'

3403 AND "ds"."informed"

3404 AND "ds"."satisfied"

3405 )

3406 WHERE "id" = "initiative_id_v";

3407 FOR "suggestion_id_v" IN

3408 SELECT "id" FROM "suggestion"

3409 WHERE "initiative_id" = "initiative_id_v"

3410 LOOP

3411 UPDATE "suggestion" SET

3412 "minus2_unfulfilled_count" = (

3413 SELECT coalesce(sum("snapshot"."weight"), 0)

3414 FROM "issue" CROSS JOIN "opinion"

3415 JOIN "direct_interest_snapshot" AS "snapshot"

3416 ON "snapshot"."issue_id" = "issue"."id"

3417 AND "snapshot"."event" = "issue"."latest_snapshot_event"

3418 AND "snapshot"."member_id" = "opinion"."member_id"

3419 WHERE "issue"."id" = "issue_id_p"

3420 AND "opinion"."suggestion_id" = "suggestion_id_v"

3421 AND "opinion"."degree" = -2

3422 AND "opinion"."fulfilled" = FALSE

3423 ),

3424 "minus2_fulfilled_count" = (

3425 SELECT coalesce(sum("snapshot"."weight"), 0)

3426 FROM "issue" CROSS JOIN "opinion"

3427 JOIN "direct_interest_snapshot" AS "snapshot"

3428 ON "snapshot"."issue_id" = "issue"."id"

3429 AND "snapshot"."event" = "issue"."latest_snapshot_event"

3430 AND "snapshot"."member_id" = "opinion"."member_id"

3431 WHERE "issue"."id" = "issue_id_p"

3432 AND "opinion"."suggestion_id" = "suggestion_id_v"

3433 AND "opinion"."degree" = -2

3434 AND "opinion"."fulfilled" = TRUE

3435 ),

3436 "minus1_unfulfilled_count" = (

3437 SELECT coalesce(sum("snapshot"."weight"), 0)

3438 FROM "issue" CROSS JOIN "opinion"

3439 JOIN "direct_interest_snapshot" AS "snapshot"

3440 ON "snapshot"."issue_id" = "issue"."id"

3441 AND "snapshot"."event" = "issue"."latest_snapshot_event"

3442 AND "snapshot"."member_id" = "opinion"."member_id"

3443 WHERE "issue"."id" = "issue_id_p"

3444 AND "opinion"."suggestion_id" = "suggestion_id_v"

3445 AND "opinion"."degree" = -1

3446 AND "opinion"."fulfilled" = FALSE

3447 ),

3448 "minus1_fulfilled_count" = (

3449 SELECT coalesce(sum("snapshot"."weight"), 0)

3450 FROM "issue" CROSS JOIN "opinion"

3451 JOIN "direct_interest_snapshot" AS "snapshot"

3452 ON "snapshot"."issue_id" = "issue"."id"

3453 AND "snapshot"."event" = "issue"."latest_snapshot_event"

3454 AND "snapshot"."member_id" = "opinion"."member_id"

3455 WHERE "issue"."id" = "issue_id_p"

3456 AND "opinion"."suggestion_id" = "suggestion_id_v"

3457 AND "opinion"."degree" = -1

3458 AND "opinion"."fulfilled" = TRUE

3459 ),

3460 "plus1_unfulfilled_count" = (

3461 SELECT coalesce(sum("snapshot"."weight"), 0)

3462 FROM "issue" CROSS JOIN "opinion"

3463 JOIN "direct_interest_snapshot" AS "snapshot"

3464 ON "snapshot"."issue_id" = "issue"."id"

3465 AND "snapshot"."event" = "issue"."latest_snapshot_event"

3466 AND "snapshot"."member_id" = "opinion"."member_id"

3467 WHERE "issue"."id" = "issue_id_p"

3468 AND "opinion"."suggestion_id" = "suggestion_id_v"

3469 AND "opinion"."degree" = 1

3470 AND "opinion"."fulfilled" = FALSE

3471 ),

3472 "plus1_fulfilled_count" = (

3473 SELECT coalesce(sum("snapshot"."weight"), 0)

3474 FROM "issue" CROSS JOIN "opinion"

3475 JOIN "direct_interest_snapshot" AS "snapshot"

3476 ON "snapshot"."issue_id" = "issue"."id"

3477 AND "snapshot"."event" = "issue"."latest_snapshot_event"

3478 AND "snapshot"."member_id" = "opinion"."member_id"

3479 WHERE "issue"."id" = "issue_id_p"

3480 AND "opinion"."suggestion_id" = "suggestion_id_v"

3481 AND "opinion"."degree" = 1

3482 AND "opinion"."fulfilled" = TRUE

3483 ),

3484 "plus2_unfulfilled_count" = (

3485 SELECT coalesce(sum("snapshot"."weight"), 0)

3486 FROM "issue" CROSS JOIN "opinion"

3487 JOIN "direct_interest_snapshot" AS "snapshot"

3488 ON "snapshot"."issue_id" = "issue"."id"

3489 AND "snapshot"."event" = "issue"."latest_snapshot_event"

3490 AND "snapshot"."member_id" = "opinion"."member_id"

3491 WHERE "issue"."id" = "issue_id_p"

3492 AND "opinion"."suggestion_id" = "suggestion_id_v"

3493 AND "opinion"."degree" = 2

3494 AND "opinion"."fulfilled" = FALSE

3495 ),

3496 "plus2_fulfilled_count" = (

3497 SELECT coalesce(sum("snapshot"."weight"), 0)

3498 FROM "issue" CROSS JOIN "opinion"

3499 JOIN "direct_interest_snapshot" AS "snapshot"

3500 ON "snapshot"."issue_id" = "issue"."id"

3501 AND "snapshot"."event" = "issue"."latest_snapshot_event"

3502 AND "snapshot"."member_id" = "opinion"."member_id"

3503 WHERE "issue"."id" = "issue_id_p"

3504 AND "opinion"."suggestion_id" = "suggestion_id_v"

3505 AND "opinion"."degree" = 2

3506 AND "opinion"."fulfilled" = TRUE

3507 )

3508 WHERE "suggestion"."id" = "suggestion_id_v";

3509 END LOOP;

3510 END LOOP;

3511 RETURN;

3512 END;

3513 $$;

3514

3515 COMMENT ON FUNCTION "create_snapshot"

3516 ( "issue"."id"%TYPE )

3517 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.';

3518

3519

3520 CREATE FUNCTION "set_snapshot_event"

3521 ( "issue_id_p" "issue"."id"%TYPE,

3522 "event_p" "snapshot_event" )

3523 RETURNS VOID

3524 LANGUAGE 'plpgsql' VOLATILE AS $$

3525 DECLARE

3526 "event_v" "issue"."latest_snapshot_event"%TYPE;

3527 BEGIN

3528 SELECT "latest_snapshot_event" INTO "event_v" FROM "issue"

3529 WHERE "id" = "issue_id_p" FOR UPDATE;

3530 UPDATE "issue" SET "latest_snapshot_event" = "event_p"

3531 WHERE "id" = "issue_id_p";

3532 UPDATE "direct_population_snapshot" SET "event" = "event_p"

3533 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";

3534 UPDATE "delegating_population_snapshot" SET "event" = "event_p"

3535 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";

3536 UPDATE "direct_interest_snapshot" SET "event" = "event_p"

3537 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";

3538 UPDATE "delegating_interest_snapshot" SET "event" = "event_p"

3539 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";

3540 UPDATE "direct_supporter_snapshot" SET "event" = "event_p"

3541 WHERE "issue_id" = "issue_id_p" AND "event" = "event_v";

3542 RETURN;

3543 END;

3544 $$;

3545

3546 COMMENT ON FUNCTION "set_snapshot_event"

3547 ( "issue"."id"%TYPE,

3548 "snapshot_event" )

3549 IS 'Change "event" attribute of the previous ''periodic'' snapshot';

3550

3551

3552

3553 ---------------------

3554 -- Freezing issues --

3555 ---------------------

3556

3557 CREATE FUNCTION "freeze_after_snapshot"

3558 ( "issue_id_p" "issue"."id"%TYPE )

3559 RETURNS VOID

3560 LANGUAGE 'plpgsql' VOLATILE AS $$

3561 DECLARE

3562 "issue_row" "issue"%ROWTYPE;

3563 "policy_row" "policy"%ROWTYPE;

3564 "initiative_row" "initiative"%ROWTYPE;

3565 BEGIN

3566 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p";

3567 SELECT * INTO "policy_row"

3568 FROM "policy" WHERE "id" = "issue_row"."policy_id";

3569 PERFORM "set_snapshot_event"("issue_id_p", 'full_freeze');

3570 FOR "initiative_row" IN

3571 SELECT * FROM "initiative"

3572 WHERE "issue_id" = "issue_id_p" AND "revoked" ISNULL

3573 LOOP

3574 IF

3575 "initiative_row"."polling" OR (

3576 "initiative_row"."satisfied_supporter_count" > 0 AND

3577 "initiative_row"."satisfied_supporter_count" *

3578 "policy_row"."initiative_quorum_den" >=

3579 "issue_row"."population" * "policy_row"."initiative_quorum_num"

3580 )

3581 THEN

3582 UPDATE "initiative" SET "admitted" = TRUE

3583 WHERE "id" = "initiative_row"."id";

3584 ELSE

3585 UPDATE "initiative" SET "admitted" = FALSE

3586 WHERE "id" = "initiative_row"."id";

3587 END IF;

3588 END LOOP;

3589 IF EXISTS (

3590 SELECT NULL FROM "initiative"

3591 WHERE "issue_id" = "issue_id_p" AND "admitted" = TRUE

3592 ) THEN

3593 UPDATE "issue" SET

3594 "state" = 'voting',

3595 "accepted" = coalesce("accepted", now()),

3596 "half_frozen" = coalesce("half_frozen", now()),

3597 "fully_frozen" = now()

3598 WHERE "id" = "issue_id_p";

3599 ELSE

3600 UPDATE "issue" SET

3601 "state" = 'canceled_no_initiative_admitted',

3602 "accepted" = coalesce("accepted", now()),

3603 "half_frozen" = coalesce("half_frozen", now()),

3604 "fully_frozen" = now(),

3605 "closed" = now(),

3606 "ranks_available" = TRUE

3607 WHERE "id" = "issue_id_p";

3608 -- NOTE: The following DELETE statements have effect only when

3609 -- issue state has been manipulated

3610 DELETE FROM "direct_voter" WHERE "issue_id" = "issue_id_p";

3611 DELETE FROM "delegating_voter" WHERE "issue_id" = "issue_id_p";

3612 DELETE FROM "battle" WHERE "issue_id" = "issue_id_p";

3613 END IF;

3614 RETURN;

3615 END;

3616 $$;

3617

3618 COMMENT ON FUNCTION "freeze_after_snapshot"

3619 ( "issue"."id"%TYPE )

3620 IS 'This function freezes an issue (fully) and starts voting, but must only be called when "create_snapshot" was called in the same transaction.';

3621

3622

3623 CREATE FUNCTION "manual_freeze"("issue_id_p" "issue"."id"%TYPE)

3624 RETURNS VOID

3625 LANGUAGE 'plpgsql' VOLATILE AS $$

3626 DECLARE

3627 "issue_row" "issue"%ROWTYPE;

3628 BEGIN

3629 PERFORM "create_snapshot"("issue_id_p");

3630 PERFORM "freeze_after_snapshot"("issue_id_p");

3631 RETURN;

3632 END;

3633 $$;

3634

3635 COMMENT ON FUNCTION "manual_freeze"

3636 ( "issue"."id"%TYPE )

3637 IS 'Freeze an issue manually (fully) and start voting';

3638

3639

3640

3641 -----------------------

3642 -- Counting of votes --

3643 -----------------------

3644

3645

3646 CREATE FUNCTION "weight_of_added_vote_delegations"

3647 ( "issue_id_p" "issue"."id"%TYPE,

3648 "member_id_p" "member"."id"%TYPE,

3649 "delegate_member_ids_p" "delegating_voter"."delegate_member_ids"%TYPE )

3650 RETURNS "direct_voter"."weight"%TYPE

3651 LANGUAGE 'plpgsql' VOLATILE AS $$

3652 DECLARE

3653 "issue_delegation_row" "issue_delegation"%ROWTYPE;

3654 "delegate_member_ids_v" "delegating_voter"."delegate_member_ids"%TYPE;

3655 "weight_v" INT4;

3656 "sub_weight_v" INT4;

3657 BEGIN

3658 "weight_v" := 0;

3659 FOR "issue_delegation_row" IN

3660 SELECT * FROM "issue_delegation"

3661 WHERE "trustee_id" = "member_id_p"

3662 AND "issue_id" = "issue_id_p"

3663 LOOP

3664 IF NOT EXISTS (

3665 SELECT NULL FROM "direct_voter"

3666 WHERE "member_id" = "issue_delegation_row"."truster_id"

3667 AND "issue_id" = "issue_id_p"

3668 ) AND NOT EXISTS (

3669 SELECT NULL FROM "delegating_voter"

3670 WHERE "member_id" = "issue_delegation_row"."truster_id"

3671 AND "issue_id" = "issue_id_p"

3672 ) THEN

3673 "delegate_member_ids_v" :=

3674 "member_id_p" || "delegate_member_ids_p";

3675 INSERT INTO "delegating_voter" (

3676 "issue_id",

3677 "member_id",

3678 "scope",

3679 "delegate_member_ids"

3680 ) VALUES (

3681 "issue_id_p",

3682 "issue_delegation_row"."truster_id",

3683 "issue_delegation_row"."scope",

3684 "delegate_member_ids_v"

3685 );

3686 "sub_weight_v" := 1 +

3687 "weight_of_added_vote_delegations"(

3688 "issue_id_p",

3689 "issue_delegation_row"."truster_id",

3690 "delegate_member_ids_v"

3691 );

3692 UPDATE "delegating_voter"

3693 SET "weight" = "sub_weight_v"

3694 WHERE "issue_id" = "issue_id_p"

3695 AND "member_id" = "issue_delegation_row"."truster_id";

3696 "weight_v" := "weight_v" + "sub_weight_v";

3697 END IF;

3698 END LOOP;

3699 RETURN "weight_v";

3700 END;

3701 $$;

3702

3703 COMMENT ON FUNCTION "weight_of_added_vote_delegations"

3704 ( "issue"."id"%TYPE,

3705 "member"."id"%TYPE,

3706 "delegating_voter"."delegate_member_ids"%TYPE )

3707 IS 'Helper function for "add_vote_delegations" function';

3708

3709

3710 CREATE FUNCTION "add_vote_delegations"

3711 ( "issue_id_p" "issue"."id"%TYPE )

3712 RETURNS VOID

3713 LANGUAGE 'plpgsql' VOLATILE AS $$

3714 DECLARE

3715 "member_id_v" "member"."id"%TYPE;

3716 BEGIN

3717 FOR "member_id_v" IN

3718 SELECT "member_id" FROM "direct_voter"

3719 WHERE "issue_id" = "issue_id_p"

3720 LOOP

3721 UPDATE "direct_voter" SET

3722 "weight" = "weight" + "weight_of_added_vote_delegations"(

3723 "issue_id_p",

3724 "member_id_v",

3725 '{}'

3726 )

3727 WHERE "member_id" = "member_id_v"

3728 AND "issue_id" = "issue_id_p";

3729 END LOOP;

3730 RETURN;

3731 END;

3732 $$;

3733

3734 COMMENT ON FUNCTION "add_vote_delegations"

3735 ( "issue_id_p" "issue"."id"%TYPE )

3736 IS 'Helper function for "close_voting" function';

3737

3738

3739 CREATE FUNCTION "close_voting"("issue_id_p" "issue"."id"%TYPE)

3740 RETURNS VOID

3741 LANGUAGE 'plpgsql' VOLATILE AS $$

3742 DECLARE

3743 "area_id_v" "area"."id"%TYPE;

3744 "unit_id_v" "unit"."id"%TYPE;

3745 "member_id_v" "member"."id"%TYPE;

3746 BEGIN

3747 PERFORM "lock_issue"("issue_id_p");

3748 SELECT "area_id" INTO "area_id_v" FROM "issue" WHERE "id" = "issue_id_p";

3749 SELECT "unit_id" INTO "unit_id_v" FROM "area" WHERE "id" = "area_id_v";

3750 -- delete delegating votes (in cases of manual reset of issue state):

3751 DELETE FROM "delegating_voter"

3752 WHERE "issue_id" = "issue_id_p";

3753 -- delete votes from non-privileged voters:

3754 DELETE FROM "direct_voter"

3755 USING (

3756 SELECT

3757 "direct_voter"."member_id"

3758 FROM "direct_voter"

3759 JOIN "member" ON "direct_voter"."member_id" = "member"."id"

3760 LEFT JOIN "privilege"

3761 ON "privilege"."unit_id" = "unit_id_v"

3762 AND "privilege"."member_id" = "direct_voter"."member_id"

3763 WHERE "direct_voter"."issue_id" = "issue_id_p" AND (

3764 "member"."active" = FALSE OR

3765 "privilege"."voting_right" ISNULL OR

3766 "privilege"."voting_right" = FALSE

3767 )

3768 ) AS "subquery"

3769 WHERE "direct_voter"."issue_id" = "issue_id_p"

3770 AND "direct_voter"."member_id" = "subquery"."member_id";

3771 -- consider delegations:

3772 UPDATE "direct_voter" SET "weight" = 1

3773 WHERE "issue_id" = "issue_id_p";

3774 PERFORM "add_vote_delegations"("issue_id_p");

3775 -- set voter count and mark issue as being calculated:

3776 UPDATE "issue" SET

3777 "state" = 'calculation',

3778 "closed" = now(),

3779 "voter_count" = (

3780 SELECT coalesce(sum("weight"), 0)

3781 FROM "direct_voter" WHERE "issue_id" = "issue_id_p"

3782 )

3783 WHERE "id" = "issue_id_p";

3784 -- materialize battle_view:

3785 -- NOTE: "closed" column of issue must be set at this point

3786 DELETE FROM "battle" WHERE "issue_id" = "issue_id_p";

3787 INSERT INTO "battle" (

3788 "issue_id",

3789 "winning_initiative_id", "losing_initiative_id",

3790 "count"

3791 ) SELECT

3792 "issue_id",

3793 "winning_initiative_id", "losing_initiative_id",

3794 "count"

3795 FROM "battle_view" WHERE "issue_id" = "issue_id_p";

3796 -- copy "positive_votes" and "negative_votes" from "battle" table:

3797 UPDATE "initiative" SET

3798 "positive_votes" = "battle_win"."count",

3799 "negative_votes" = "battle_lose"."count"

3800 FROM "battle" AS "battle_win", "battle" AS "battle_lose"

3801 WHERE

3802 "battle_win"."issue_id" = "issue_id_p" AND

3803 "battle_win"."winning_initiative_id" = "initiative"."id" AND

3804 "battle_win"."losing_initiative_id" ISNULL AND

3805 "battle_lose"."issue_id" = "issue_id_p" AND

3806 "battle_lose"."losing_initiative_id" = "initiative"."id" AND

3807 "battle_lose"."winning_initiative_id" ISNULL;

3808 END;

3809 $$;

3810

3811 COMMENT ON FUNCTION "close_voting"

3812 ( "issue"."id"%TYPE )

3813 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.';

3814

3815

3816 CREATE FUNCTION "defeat_strength"

3817 ( "positive_votes_p" INT4, "negative_votes_p" INT4 )

3818 RETURNS INT8

3819 LANGUAGE 'plpgsql' IMMUTABLE AS $$

3820 BEGIN

3821 IF "positive_votes_p" > "negative_votes_p" THEN

3822 RETURN ("positive_votes_p"::INT8 << 31) - "negative_votes_p"::INT8;

3823 ELSIF "positive_votes_p" = "negative_votes_p" THEN

3824 RETURN 0;

3825 ELSE

3826 RETURN -1;

3827 END IF;

3828 END;

3829 $$;

3830

3831 COMMENT ON FUNCTION "defeat_strength"(INT4, INT4) IS 'Calculates defeat strength (INT8!) of a pairwise defeat primarily by the absolute number of votes for the winner and secondarily by the absolute number of votes for the loser';

3832

3833

3834 CREATE FUNCTION "calculate_ranks"("issue_id_p" "issue"."id"%TYPE)

3835 RETURNS VOID

3836 LANGUAGE 'plpgsql' VOLATILE AS $$

3837 DECLARE

3838 "issue_row" "issue"%ROWTYPE;

3839 "policy_row" "policy"%ROWTYPE;

3840 "dimension_v" INTEGER;

3841 "vote_matrix" INT4[][]; -- absolute votes

3842 "matrix" INT8[][]; -- defeat strength / best paths

3843 "i" INTEGER;

3844 "j" INTEGER;

3845 "k" INTEGER;

3846 "battle_row" "battle"%ROWTYPE;

3847 "rank_ary" INT4[];

3848 "rank_v" INT4;

3849 "done_v" INTEGER;

3850 "winners_ary" INTEGER[];

3851 "initiative_id_v" "initiative"."id"%TYPE;

3852 BEGIN

3853 SELECT * INTO "issue_row"

3854 FROM "issue" WHERE "id" = "issue_id_p"

3855 FOR UPDATE;

3856 SELECT * INTO "policy_row"

3857 FROM "policy" WHERE "id" = "issue_row"."policy_id";

3858 SELECT count(1) INTO "dimension_v"

3859 FROM "battle_participant" WHERE "issue_id" = "issue_id_p";

3860 -- Create "vote_matrix" with absolute number of votes in pairwise

3861 -- comparison:

3862 "vote_matrix" := array_fill(NULL::INT4, ARRAY["dimension_v", "dimension_v"]);

3863 "i" := 1;

3864 "j" := 2;

3865 FOR "battle_row" IN

3866 SELECT * FROM "battle" WHERE "issue_id" = "issue_id_p"

3867 ORDER BY

3868 "winning_initiative_id" NULLS LAST,

3869 "losing_initiative_id" NULLS LAST

3870 LOOP

3871 "vote_matrix"["i"]["j"] := "battle_row"."count";

3872 IF "j" = "dimension_v" THEN

3873 "i" := "i" + 1;

3874 "j" := 1;

3875 ELSE

3876 "j" := "j" + 1;

3877 IF "j" = "i" THEN

3878 "j" := "j" + 1;

3879 END IF;

3880 END IF;

3881 END LOOP;

3882 IF "i" != "dimension_v" OR "j" != "dimension_v" + 1 THEN

3883 RAISE EXCEPTION 'Wrong battle count (should not happen)';

3884 END IF;

3885 -- Store defeat strengths in "matrix" using "defeat_strength"

3886 -- function:

3887 "matrix" := array_fill(NULL::INT8, ARRAY["dimension_v", "dimension_v"]);

3888 "i" := 1;

3889 LOOP

3890 "j" := 1;

3891 LOOP

3892 IF "i" != "j" THEN

3893 "matrix"["i"]["j"] := "defeat_strength"(

3894 "vote_matrix"["i"]["j"],

3895 "vote_matrix"["j"]["i"]

3896 );

3897 END IF;

3898 EXIT WHEN "j" = "dimension_v";

3899 "j" := "j" + 1;

3900 END LOOP;

3901 EXIT WHEN "i" = "dimension_v";

3902 "i" := "i" + 1;

3903 END LOOP;

3904 -- Find best paths:

3905 "i" := 1;

3906 LOOP

3907 "j" := 1;

3908 LOOP

3909 IF "i" != "j" THEN

3910 "k" := 1;

3911 LOOP

3912 IF "i" != "k" AND "j" != "k" THEN

3913 IF "matrix"["j"]["i"] < "matrix"["i"]["k"] THEN

3914 IF "matrix"["j"]["i"] > "matrix"["j"]["k"] THEN

3915 "matrix"["j"]["k"] := "matrix"["j"]["i"];

3916 END IF;

3917 ELSE

3918 IF "matrix"["i"]["k"] > "matrix"["j"]["k"] THEN

3919 "matrix"["j"]["k"] := "matrix"["i"]["k"];

3920 END IF;

3921 END IF;

3922 END IF;

3923 EXIT WHEN "k" = "dimension_v";

3924 "k" := "k" + 1;

3925 END LOOP;

3926 END IF;

3927 EXIT WHEN "j" = "dimension_v";

3928 "j" := "j" + 1;

3929 END LOOP;

3930 EXIT WHEN "i" = "dimension_v";

3931 "i" := "i" + 1;

3932 END LOOP;

3933 -- Determine order of winners:

3934 "rank_ary" := array_fill(NULL::INT4, ARRAY["dimension_v"]);

3935 "rank_v" := 1;

3936 "done_v" := 0;

3937 LOOP

3938 "winners_ary" := '{}';

3939 "i" := 1;

3940 LOOP

3941 IF "rank_ary"["i"] ISNULL THEN

3942 "j" := 1;

3943 LOOP

3944 IF

3945 "i" != "j" AND

3946 "rank_ary"["j"] ISNULL AND

3947 "matrix"["j"]["i"] > "matrix"["i"]["j"]

3948 THEN

3949 -- someone else is better

3950 EXIT;

3951 END IF;

3952 IF "j" = "dimension_v" THEN

3953 -- noone is better

3954 "winners_ary" := "winners_ary" || "i";

3955 EXIT;

3956 END IF;

3957 "j" := "j" + 1;

3958 END LOOP;

3959 END IF;

3960 EXIT WHEN "i" = "dimension_v";

3961 "i" := "i" + 1;

3962 END LOOP;

3963 "i" := 1;

3964 LOOP

3965 "rank_ary"["winners_ary"["i"]] := "rank_v";

3966 "done_v" := "done_v" + 1;

3967 EXIT WHEN "i" = array_upper("winners_ary", 1);

3968 "i" := "i" + 1;

3969 END LOOP;

3970 EXIT WHEN "done_v" = "dimension_v";

3971 "rank_v" := "rank_v" + 1;

3972 END LOOP;

3973 -- write preliminary results:

3974 "i" := 1;

3975 FOR "initiative_id_v" IN

3976 SELECT "id" FROM "initiative"

3977 WHERE "issue_id" = "issue_id_p" AND "admitted"

3978 ORDER BY "id"

3979 LOOP

3980 UPDATE "initiative" SET

3981 "direct_majority" =

3982 CASE WHEN "policy_row"."direct_majority_strict" THEN

3983 "positive_votes" * "policy_row"."direct_majority_den" >

3984 "policy_row"."direct_majority_num" * ("positive_votes"+"negative_votes")

3985 ELSE

3986 "positive_votes" * "policy_row"."direct_majority_den" >=

3987 "policy_row"."direct_majority_num" * ("positive_votes"+"negative_votes")

3988 END

3989 AND "positive_votes" >= "policy_row"."direct_majority_positive"

3990 AND "issue_row"."voter_count"-"negative_votes" >=

3991 "policy_row"."direct_majority_non_negative",

3992 "indirect_majority" =

3993 CASE WHEN "policy_row"."indirect_majority_strict" THEN

3994 "positive_votes" * "policy_row"."indirect_majority_den" >

3995 "policy_row"."indirect_majority_num" * ("positive_votes"+"negative_votes")

3996 ELSE

3997 "positive_votes" * "policy_row"."indirect_majority_den" >=

3998 "policy_row"."indirect_majority_num" * ("positive_votes"+"negative_votes")

3999 END

4000 AND "positive_votes" >= "policy_row"."indirect_majority_positive"

4001 AND "issue_row"."voter_count"-"negative_votes" >=

4002 "policy_row"."indirect_majority_non_negative",

4003 "schulze_rank" = "rank_ary"["i"],

4004 "better_than_status_quo" = "rank_ary"["i"] < "rank_ary"["dimension_v"],

4005 "worse_than_status_quo" = "rank_ary"["i"] > "rank_ary"["dimension_v"],

4006 "multistage_majority" = "rank_ary"["i"] >= "rank_ary"["dimension_v"],

4007 "reverse_beat_path" = "matrix"["dimension_v"]["i"] >= 0,

4008 "eligible" = FALSE,

4009 "winner" = FALSE,

4010 "rank" = NULL -- NOTE: in cases of manual reset of issue state

4011 WHERE "id" = "initiative_id_v";

4012 "i" := "i" + 1;

4013 END LOOP;

4014 IF "i" != "dimension_v" THEN

4015 RAISE EXCEPTION 'Wrong winner count (should not happen)';

4016 END IF;

4017 -- take indirect majorities into account:

4018 LOOP

4019 UPDATE "initiative" SET "indirect_majority" = TRUE

4020 FROM (

4021 SELECT "new_initiative"."id" AS "initiative_id"

4022 FROM "initiative" "old_initiative"

4023 JOIN "initiative" "new_initiative"

4024 ON "new_initiative"."issue_id" = "issue_id_p"

4025 AND "new_initiative"."indirect_majority" = FALSE

4026 JOIN "battle" "battle_win"

4027 ON "battle_win"."issue_id" = "issue_id_p"

4028 AND "battle_win"."winning_initiative_id" = "new_initiative"."id"

4029 AND "battle_win"."losing_initiative_id" = "old_initiative"."id"

4030 JOIN "battle" "battle_lose"

4031 ON "battle_lose"."issue_id" = "issue_id_p"

4032 AND "battle_lose"."losing_initiative_id" = "new_initiative"."id"

4033 AND "battle_lose"."winning_initiative_id" = "old_initiative"."id"

4034 WHERE "old_initiative"."issue_id" = "issue_id_p"

4035 AND "old_initiative"."indirect_majority" = TRUE

4036 AND CASE WHEN "policy_row"."indirect_majority_strict" THEN

4037 "battle_win"."count" * "policy_row"."indirect_majority_den" >

4038 "policy_row"."indirect_majority_num" *

4039 ("battle_win"."count"+"battle_lose"."count")

4040 ELSE

4041 "battle_win"."count" * "policy_row"."indirect_majority_den" >=

4042 "policy_row"."indirect_majority_num" *

4043 ("battle_win"."count"+"battle_lose"."count")

4044 END

4045 AND "battle_win"."count" >= "policy_row"."indirect_majority_positive"

4046 AND "issue_row"."voter_count"-"battle_lose"."count" >=

4047 "policy_row"."indirect_majority_non_negative"

4048 ) AS "subquery"

4049 WHERE "id" = "subquery"."initiative_id";

4050 EXIT WHEN NOT FOUND;

4051 END LOOP;

4052 -- set "multistage_majority" for remaining matching initiatives:

4053 UPDATE "initiative" SET "multistage_majority" = TRUE

4054 FROM (

4055 SELECT "losing_initiative"."id" AS "initiative_id"

4056 FROM "initiative" "losing_initiative"

4057 JOIN "initiative" "winning_initiative"

4058 ON "winning_initiative"."issue_id" = "issue_id_p"

4059 AND "winning_initiative"."admitted"

4060 JOIN "battle" "battle_win"

4061 ON "battle_win"."issue_id" = "issue_id_p"

4062 AND "battle_win"."winning_initiative_id" = "winning_initiative"."id"

4063 AND "battle_win"."losing_initiative_id" = "losing_initiative"."id"

4064 JOIN "battle" "battle_lose"

4065 ON "battle_lose"."issue_id" = "issue_id_p"

4066 AND "battle_lose"."losing_initiative_id" = "winning_initiative"."id"

4067 AND "battle_lose"."winning_initiative_id" = "losing_initiative"."id"

4068 WHERE "losing_initiative"."issue_id" = "issue_id_p"

4069 AND "losing_initiative"."admitted"

4070 AND "winning_initiative"."schulze_rank" <

4071 "losing_initiative"."schulze_rank"

4072 AND "battle_win"."count" > "battle_lose"."count"

4073 AND (

4074 "battle_win"."count" > "winning_initiative"."positive_votes" OR

4075 "battle_lose"."count" < "losing_initiative"."negative_votes" )

4076 ) AS "subquery"

4077 WHERE "id" = "subquery"."initiative_id";

4078 -- mark eligible initiatives:

4079 UPDATE "initiative" SET "eligible" = TRUE

4080 WHERE "issue_id" = "issue_id_p"

4081 AND "initiative"."direct_majority"

4082 AND "initiative"."indirect_majority"

4083 AND "initiative"."better_than_status_quo"

4084 AND (

4085 "policy_row"."no_multistage_majority" = FALSE OR

4086 "initiative"."multistage_majority" = FALSE )

4087 AND (

4088 "policy_row"."no_reverse_beat_path" = FALSE OR

4089 "initiative"."reverse_beat_path" = FALSE );

4090 -- mark final winner:

4091 UPDATE "initiative" SET "winner" = TRUE

4092 FROM (

4093 SELECT "id" AS "initiative_id"

4094 FROM "initiative"

4095 WHERE "issue_id" = "issue_id_p" AND "eligible"

4096 ORDER BY

4097 "schulze_rank",

4098 "vote_ratio"("positive_votes", "negative_votes"),

4099 "id"

4100 LIMIT 1

4101 ) AS "subquery"

4102 WHERE "id" = "subquery"."initiative_id";

4103 -- write (final) ranks:

4104 "rank_v" := 1;

4105 FOR "initiative_id_v" IN

4106 SELECT "id"

4107 FROM "initiative"

4108 WHERE "issue_id" = "issue_id_p" AND "admitted"

4109 ORDER BY

4110 "winner" DESC,

4111 "eligible" DESC,

4112 "schulze_rank",

4113 "vote_ratio"("positive_votes", "negative_votes"),

4114 "id"

4115 LOOP

4116 UPDATE "initiative" SET "rank" = "rank_v"

4117 WHERE "id" = "initiative_id_v";

4118 "rank_v" := "rank_v" + 1;

4119 END LOOP;

4120 -- set schulze rank of status quo and mark issue as finished:

4121 UPDATE "issue" SET

4122 "status_quo_schulze_rank" = "rank_ary"["dimension_v"],

4123 "state" =

4124 CASE WHEN EXISTS (

4125 SELECT NULL FROM "initiative"

4126 WHERE "issue_id" = "issue_id_p" AND "winner"

4127 ) THEN

4128 'finished_with_winner'::"issue_state"

4129 ELSE

4130 'finished_without_winner'::"issue_state"

4131 END,

4132 "ranks_available" = TRUE

4133 WHERE "id" = "issue_id_p";

4134 RETURN;

4135 END;

4136 $$;

4137

4138 COMMENT ON FUNCTION "calculate_ranks"

4139 ( "issue"."id"%TYPE )

4140 IS 'Determine ranking (Votes have to be counted first)';

4141

4142

4143

4144 -----------------------------

4145 -- Automatic state changes --

4146 -----------------------------

4147

4148

4149 CREATE FUNCTION "check_issue"

4150 ( "issue_id_p" "issue"."id"%TYPE )

4151 RETURNS VOID

4152 LANGUAGE 'plpgsql' VOLATILE AS $$

4153 DECLARE

4154 "issue_row" "issue"%ROWTYPE;

4155 "policy_row" "policy"%ROWTYPE;

4156 BEGIN

4157 PERFORM "lock_issue"("issue_id_p");

4158 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p";

4159 -- only process open issues:

4160 IF "issue_row"."closed" ISNULL THEN

4161 SELECT * INTO "policy_row" FROM "policy"

4162 WHERE "id" = "issue_row"."policy_id";

4163 -- create a snapshot, unless issue is already fully frozen:

4164 IF "issue_row"."fully_frozen" ISNULL THEN

4165 PERFORM "create_snapshot"("issue_id_p");

4166 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p";

4167 END IF;

4168 -- eventually close or accept issues, which have not been accepted:

4169 IF "issue_row"."accepted" ISNULL THEN

4170 IF EXISTS (

4171 SELECT NULL FROM "initiative"

4172 WHERE "issue_id" = "issue_id_p"

4173 AND "supporter_count" > 0

4174 AND "supporter_count" * "policy_row"."issue_quorum_den"

4175 >= "issue_row"."population" * "policy_row"."issue_quorum_num"

4176 ) THEN

4177 -- accept issues, if supporter count is high enough

4178 PERFORM "set_snapshot_event"("issue_id_p", 'end_of_admission');

4179 -- NOTE: "issue_row" used later

4180 "issue_row"."state" := 'discussion';

4181 "issue_row"."accepted" := now();

4182 UPDATE "issue" SET

4183 "state" = "issue_row"."state",

4184 "accepted" = "issue_row"."accepted"

4185 WHERE "id" = "issue_row"."id";

4186 ELSIF

4187 now() >= "issue_row"."created" + "issue_row"."admission_time"

4188 THEN

4189 -- close issues, if admission time has expired

4190 PERFORM "set_snapshot_event"("issue_id_p", 'end_of_admission');

4191 UPDATE "issue" SET

4192 "state" = 'canceled_issue_not_accepted',

4193 "closed" = now()

4194 WHERE "id" = "issue_row"."id";

4195 END IF;

4196 END IF;

4197 -- eventually half freeze issues:

4198 IF

4199 -- NOTE: issue can't be closed at this point, if it has been accepted

4200 "issue_row"."accepted" NOTNULL AND

4201 "issue_row"."half_frozen" ISNULL

4202 THEN

4203 IF

4204 now() >= "issue_row"."accepted" + "issue_row"."discussion_time"

4205 THEN

4206 PERFORM "set_snapshot_event"("issue_id_p", 'half_freeze');

4207 -- NOTE: "issue_row" used later

4208 "issue_row"."state" := 'verification';

4209 "issue_row"."half_frozen" := now();

4210 UPDATE "issue" SET

4211 "state" = "issue_row"."state",

4212 "half_frozen" = "issue_row"."half_frozen"

4213 WHERE "id" = "issue_row"."id";

4214 END IF;

4215 END IF;

4216 -- close issues after some time, if all initiatives have been revoked:

4217 IF

4218 "issue_row"."closed" ISNULL AND

4219 NOT EXISTS (

4220 -- all initiatives are revoked

4221 SELECT NULL FROM "initiative"

4222 WHERE "issue_id" = "issue_id_p" AND "revoked" ISNULL

4223 ) AND (

4224 -- and issue has not been accepted yet

4225 "issue_row"."accepted" ISNULL OR

4226 NOT EXISTS (

4227 -- or no initiatives have been revoked lately

4228 SELECT NULL FROM "initiative"

4229 WHERE "issue_id" = "issue_id_p"

4230 AND now() < "revoked" + "issue_row"."verification_time"

4231 ) OR (

4232 -- or verification time has elapsed

4233 "issue_row"."half_frozen" NOTNULL AND

4234 "issue_row"."fully_frozen" ISNULL AND

4235 now() >= "issue_row"."half_frozen" + "issue_row"."verification_time"

4236 )

4237 )

4238 THEN

4239 -- NOTE: "issue_row" used later

4240 IF "issue_row"."accepted" ISNULL THEN

4241 "issue_row"."state" := 'canceled_revoked_before_accepted';

4242 ELSIF "issue_row"."half_frozen" ISNULL THEN

4243 "issue_row"."state" := 'canceled_after_revocation_during_discussion';

4244 ELSE

4245 "issue_row"."state" := 'canceled_after_revocation_during_verification';

4246 END IF;

4247 "issue_row"."closed" := now();

4248 UPDATE "issue" SET

4249 "state" = "issue_row"."state",

4250 "closed" = "issue_row"."closed"

4251 WHERE "id" = "issue_row"."id";

4252 END IF;

4253 -- fully freeze issue after verification time:

4254 IF

4255 "issue_row"."half_frozen" NOTNULL AND

4256 "issue_row"."fully_frozen" ISNULL AND

4257 "issue_row"."closed" ISNULL AND

4258 now() >= "issue_row"."half_frozen" + "issue_row"."verification_time"

4259 THEN

4260 PERFORM "freeze_after_snapshot"("issue_id_p");

4261 -- NOTE: "issue" might change, thus "issue_row" has to be updated below

4262 END IF;

4263 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p";

4264 -- close issue by calling close_voting(...) after voting time:

4265 IF

4266 "issue_row"."closed" ISNULL AND

4267 "issue_row"."fully_frozen" NOTNULL AND

4268 now() >= "issue_row"."fully_frozen" + "issue_row"."voting_time"

4269 THEN

4270 PERFORM "close_voting"("issue_id_p");

4271 -- calculate ranks will not consume much time and can be done now

4272 PERFORM "calculate_ranks"("issue_id_p");

4273 END IF;

4274 END IF;

4275 RETURN;

4276 END;

4277 $$;

4278

4279 COMMENT ON FUNCTION "check_issue"

4280 ( "issue"."id"%TYPE )

4281 IS 'Precalculate supporter counts etc. for a given issue, and check, if status change is required; At end of voting the ranking is not calculated by this function, but must be calculated in a seperate transaction using the "calculate_ranks" function.';

4282

4283

4284 CREATE FUNCTION "check_everything"()

4285 RETURNS VOID

4286 LANGUAGE 'plpgsql' VOLATILE AS $$

4287 DECLARE

4288 "issue_id_v" "issue"."id"%TYPE;

4289 BEGIN

4290 DELETE FROM "expired_session";

4291 PERFORM "check_activity"();

4292 PERFORM "calculate_member_counts"();

4293 FOR "issue_id_v" IN SELECT "id" FROM "open_issue" LOOP

4294 PERFORM "check_issue"("issue_id_v");

4295 END LOOP;

4296 FOR "issue_id_v" IN SELECT "id" FROM "issue_with_ranks_missing" LOOP

4297 PERFORM "calculate_ranks"("issue_id_v");

4298 END LOOP;

4299 RETURN;

4300 END;

4301 $$;

4302

4303 COMMENT ON FUNCTION "check_everything"() IS 'Amongst other regular tasks this function performs "check_issue" for every open issue, and if possible, automatically calculates ranks. Use this function only for development and debugging purposes, as long transactions with exclusive locking may result. In productive environments you should call the lf_update program instead.';

4304

4305

4306

4307 ----------------------

4308 -- Deletion of data --

4309 ----------------------

4310

4311

4312 CREATE FUNCTION "clean_issue"("issue_id_p" "issue"."id"%TYPE)

4313 RETURNS VOID

4314 LANGUAGE 'plpgsql' VOLATILE AS $$

4315 DECLARE

4316 "issue_row" "issue"%ROWTYPE;

4317 BEGIN

4318 SELECT * INTO "issue_row"

4319 FROM "issue" WHERE "id" = "issue_id_p"

4320 FOR UPDATE;

4321 IF "issue_row"."cleaned" ISNULL THEN

4322 UPDATE "issue" SET

4323 "state" = 'voting',

4324 "closed" = NULL,

4325 "ranks_available" = FALSE

4326 WHERE "id" = "issue_id_p";

4327 DELETE FROM "voting_comment"

4328 WHERE "issue_id" = "issue_id_p";

4329 DELETE FROM "delegating_voter"

4330 WHERE "issue_id" = "issue_id_p";

4331 DELETE FROM "direct_voter"

4332 WHERE "issue_id" = "issue_id_p";

4333 DELETE FROM "delegating_interest_snapshot"

4334 WHERE "issue_id" = "issue_id_p";

4335 DELETE FROM "direct_interest_snapshot"

4336 WHERE "issue_id" = "issue_id_p";

4337 DELETE FROM "delegating_population_snapshot"

4338 WHERE "issue_id" = "issue_id_p";

4339 DELETE FROM "direct_population_snapshot"

4340 WHERE "issue_id" = "issue_id_p";

4341 DELETE FROM "non_voter"

4342 WHERE "issue_id" = "issue_id_p";

4343 DELETE FROM "delegation"

4344 WHERE "issue_id" = "issue_id_p";

4345 DELETE FROM "supporter"

4346 WHERE "issue_id" = "issue_id_p";

4347 UPDATE "issue" SET

4348 "state" = "issue_row"."state",

4349 "closed" = "issue_row"."closed",

4350 "ranks_available" = "issue_row"."ranks_available",

4351 "cleaned" = now()

4352 WHERE "id" = "issue_id_p";

4353 END IF;

4354 RETURN;

4355 END;

4356 $$;

4357

4358 COMMENT ON FUNCTION "clean_issue"("issue"."id"%TYPE) IS 'Delete discussion data and votes belonging to an issue';

4359

4360

4361 CREATE FUNCTION "delete_member"("member_id_p" "member"."id"%TYPE)

4362 RETURNS VOID

4363 LANGUAGE 'plpgsql' VOLATILE AS $$

4364 BEGIN

4365 UPDATE "member" SET

4366 "last_login" = NULL,

4367 "login" = NULL,

4368 "password" = NULL,

4369 "locked" = TRUE,

4370 "active" = FALSE,

4371 "notify_email" = NULL,

4372 "notify_email_unconfirmed" = NULL,

4373 "notify_email_secret" = NULL,

4374 "notify_email_secret_expiry" = NULL,

4375 "notify_email_lock_expiry" = NULL,

4376 "password_reset_secret" = NULL,

4377 "password_reset_secret_expiry" = NULL,

4378 "organizational_unit" = NULL,

4379 "internal_posts" = NULL,

4380 "realname" = NULL,

4381 "birthday" = NULL,

4382 "address" = NULL,

4383 "email" = NULL,

4384 "xmpp_address" = NULL,

4385 "website" = NULL,

4386 "phone" = NULL,

4387 "mobile_phone" = NULL,

4388 "profession" = NULL,

4389 "external_memberships" = NULL,

4390 "external_posts" = NULL,

4391 "statement" = NULL

4392 WHERE "id" = "member_id_p";

4393 -- "text_search_data" is updated by triggers

4394 DELETE FROM "setting" WHERE "member_id" = "member_id_p";

4395 DELETE FROM "setting_map" WHERE "member_id" = "member_id_p";

4396 DELETE FROM "member_relation_setting" WHERE "member_id" = "member_id_p";

4397 DELETE FROM "member_image" WHERE "member_id" = "member_id_p";

4398 DELETE FROM "contact" WHERE "member_id" = "member_id_p";

4399 DELETE FROM "ignored_member" WHERE "member_id" = "member_id_p";

4400 DELETE FROM "session" WHERE "member_id" = "member_id_p";

4401 DELETE FROM "area_setting" WHERE "member_id" = "member_id_p";

4402 DELETE FROM "issue_setting" WHERE "member_id" = "member_id_p";

4403 DELETE FROM "ignored_initiative" WHERE "member_id" = "member_id_p";

4404 DELETE FROM "initiative_setting" WHERE "member_id" = "member_id_p";

4405 DELETE FROM "suggestion_setting" WHERE "member_id" = "member_id_p";

4406 DELETE FROM "membership" WHERE "member_id" = "member_id_p";

4407 DELETE FROM "delegation" WHERE "truster_id" = "member_id_p";

4408 DELETE FROM "non_voter" WHERE "member_id" = "member_id_p";

4409 DELETE FROM "direct_voter" USING "issue"

4410 WHERE "direct_voter"."issue_id" = "issue"."id"

4411 AND "issue"."closed" ISNULL

4412 AND "member_id" = "member_id_p";

4413 RETURN;

4414 END;

4415 $$;

4416

4417 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)';

4418

4419

4420 CREATE FUNCTION "delete_private_data"()

4421 RETURNS VOID

4422 LANGUAGE 'plpgsql' VOLATILE AS $$

4423 BEGIN

4424 DELETE FROM "member" WHERE "activated" ISNULL;

4425 UPDATE "member" SET

4426 "invite_code" = NULL,

4427 "invite_code_expiry" = NULL,

4428 "admin_comment" = NULL,

4429 "last_login" = NULL,

4430 "login" = NULL,

4431 "password" = NULL,

4432 "lang" = NULL,

4433 "notify_email" = NULL,

4434 "notify_email_unconfirmed" = NULL,

4435 "notify_email_secret" = NULL,

4436 "notify_email_secret_expiry" = NULL,

4437 "notify_email_lock_expiry" = NULL,

4438 "notify_level" = NULL,

4439 "password_reset_secret" = NULL,

4440 "password_reset_secret_expiry" = NULL,

4441 "organizational_unit" = NULL,

4442 "internal_posts" = NULL,

4443 "realname" = NULL,

4444 "birthday" = NULL,

4445 "address" = NULL,

4446 "email" = NULL,

4447 "xmpp_address" = NULL,

4448 "website" = NULL,

4449 "phone" = NULL,

4450 "mobile_phone" = NULL,

4451 "profession" = NULL,

4452 "external_memberships" = NULL,

4453 "external_posts" = NULL,

4454 "formatting_engine" = NULL,

4455 "statement" = NULL;

4456 -- "text_search_data" is updated by triggers

4457 DELETE FROM "setting";

4458 DELETE FROM "setting_map";

4459 DELETE FROM "member_relation_setting";

4460 DELETE FROM "member_image";

4461 DELETE FROM "contact";

4462 DELETE FROM "ignored_member";

4463 DELETE FROM "session";

4464 DELETE FROM "area_setting";

4465 DELETE FROM "issue_setting";

4466 DELETE FROM "ignored_initiative";

4467 DELETE FROM "initiative_setting";

4468 DELETE FROM "suggestion_setting";

4469 DELETE FROM "non_voter";

4470 DELETE FROM "direct_voter" USING "issue"

4471 WHERE "direct_voter"."issue_id" = "issue"."id"

4472 AND "issue"."closed" ISNULL;

4473 RETURN;

4474 END;

4475 $$;

4476

4477 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.';

4478

4479

4480

4481 COMMIT;