liquid_feedback_core: 6c8209b711af update/core-update.v2.0.12-v2.1.0.sql

liquid_feedback_core

view update/core-update.v2.0.12-v2.1.0.sql @ 346:6c8209b711af

Set harmonic_weight for all issues in update script to v2.2.0

author	jbe
date	Thu Feb 21 20:05:42 2013 +0100 (2013-02-21)
parents	5c98265b39a0
children

line source

1 BEGIN;

4 -- update version number

6 CREATE OR REPLACE VIEW "liquid_feedback_version" AS

7 SELECT * FROM (VALUES ('2.1.0', 2, 1, 0))

8 AS "subquery"("string", "major", "minor", "revision");

11 -- old API tables are now deprecated

13 COMMENT ON TYPE "application_access_level" IS 'DEPRECATED, WILL BE REMOVED! Access privileges for applications using the API';

14 COMMENT ON TABLE "member_application" IS 'DEPRECATED, WILL BE REMOVED! Registered application being allowed to use the API';

17 -- new polling mode and changed privileges

19 ALTER TABLE "policy" ADD COLUMN "polling" BOOLEAN NOT NULL DEFAULT FALSE;

20 ALTER TABLE "policy" ALTER COLUMN "admission_time" DROP NOT NULL;

21 ALTER TABLE "policy" ALTER COLUMN "discussion_time" DROP NOT NULL;

22 ALTER TABLE "policy" ALTER COLUMN "verification_time" DROP NOT NULL;

23 ALTER TABLE "policy" ALTER COLUMN "voting_time" DROP NOT NULL;

24 ALTER TABLE "policy" ALTER COLUMN "issue_quorum_num" DROP NOT NULL;

25 ALTER TABLE "policy" ALTER COLUMN "issue_quorum_den" DROP NOT NULL;

26 ALTER TABLE "policy" ADD CONSTRAINT "timing" CHECK (

27 ( "polling" = FALSE AND

28 "admission_time" NOTNULL AND "discussion_time" NOTNULL AND

29 "verification_time" NOTNULL AND "voting_time" NOTNULL ) OR

30 ( "polling" = TRUE AND

31 "admission_time" ISNULL AND "discussion_time" NOTNULL AND

32 "verification_time" NOTNULL AND "voting_time" NOTNULL ) OR

33 ( "polling" = TRUE AND

34 "admission_time" ISNULL AND "discussion_time" ISNULL AND

35 "verification_time" ISNULL AND "voting_time" ISNULL ) );

36 ALTER TABLE "policy" ADD CONSTRAINT "issue_quorum_if_and_only_if_not_polling" CHECK (

37 "polling" = "issue_quorum_num" ISNULL AND

38 "polling" = "issue_quorum_den" ISNULL );

39 COMMENT ON COLUMN "policy"."polling" IS 'TRUE = special policy for non-user-generated issues without issue quorum, where certain initiatives (those having the "polling" flag set) do not need to pass the initiative quorum; "admission_time" MUST be set to NULL, the other timings may be set to NULL altogether, allowing individual timing for those issues';

41 ALTER TABLE "issue" ALTER COLUMN "admission_time" DROP NOT NULL;

42 ALTER TABLE "issue" ADD CONSTRAINT "admission_time_not_null_unless_instantly_accepted" CHECK (

43 "admission_time" NOTNULL OR ("accepted" NOTNULL AND "accepted" = "created") );

45 ALTER TABLE "initiative" ADD COLUMN "polling" BOOLEAN NOT NULL DEFAULT FALSE;

46 COMMENT ON COLUMN "initiative"."polling" IS 'Initiative does not need to pass the initiative quorum (see "policy"."polling")';

48 ALTER TABLE "privilege" RENAME COLUMN "voting_right_manager" TO "member_manager";

49 ALTER TABLE "privilege" ADD COLUMN "initiative_right" BOOLEAN NOT NULL DEFAULT TRUE;

50 ALTER TABLE "privilege" ADD COLUMN "polling_right" BOOLEAN NOT NULL DEFAULT FALSE;

51 UPDATE "privilege" SET "initiative_right" = "voting_right";

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

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

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

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

56 COMMENT ON COLUMN "privilege"."polling_right" IS 'Right to create issues with policies having the "policy"."polling" flag set, and to add initiatives having the "initiative"."polling" flag set to those issues';

58 DROP VIEW "member_contingent_left";

59 DROP VIEW "member_contingent";

60 ALTER TABLE "contingent" DROP CONSTRAINT "contingent_pkey";

61 ALTER TABLE "contingent" ALTER COLUMN "time_frame" DROP NOT NULL;

62 ALTER TABLE "contingent" ADD COLUMN "polling" BOOLEAN DEFAULT FALSE;

63 ALTER TABLE "contingent" ADD PRIMARY KEY ("polling", "time_frame");

64 ALTER TABLE "contingent" ALTER COLUMN "polling" DROP DEFAULT;

65 COMMENT ON COLUMN "contingent"."polling" IS 'Determines if settings are for creating initiatives and new drafts of initiatives with "polling" flag set';

67 CREATE VIEW "member_contingent" AS

68 SELECT

69 "member"."id" AS "member_id",

70 "contingent"."polling",

71 "contingent"."time_frame",

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

73 (

74 SELECT count(1) FROM "draft"

75 JOIN "initiative" ON "initiative"."id" = "draft"."initiative_id"

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

77 AND "initiative"."polling" = "contingent"."polling"

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

79 ) + (

80 SELECT count(1) FROM "suggestion"

81 JOIN "initiative" ON "initiative"."id" = "suggestion"."initiative_id"

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

83 AND "contingent"."polling" = FALSE

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

85 )

86 ELSE NULL END AS "text_entry_count",

87 "contingent"."text_entry_limit",

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

89 SELECT count(1) FROM "opening_draft" AS "draft"

90 JOIN "initiative" ON "initiative"."id" = "draft"."initiative_id"

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

92 AND "initiative"."polling" = "contingent"."polling"

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

94 ) ELSE NULL END AS "initiative_count",

95 "contingent"."initiative_limit"

96 FROM "member" CROSS JOIN "contingent";

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

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

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

102

103 CREATE VIEW "member_contingent_left" AS

104 SELECT

105 "member_id",

106 "polling",

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

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

109 FROM "member_contingent" GROUP BY "member_id", "polling";

110

111 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.';

112

113 CREATE OR REPLACE FUNCTION "freeze_after_snapshot"

114 ( "issue_id_p" "issue"."id"%TYPE )

115 RETURNS VOID

116 LANGUAGE 'plpgsql' VOLATILE AS $$

117 DECLARE

118 "issue_row" "issue"%ROWTYPE;

119 "policy_row" "policy"%ROWTYPE;

120 "initiative_row" "initiative"%ROWTYPE;

121 BEGIN

122 SELECT * INTO "issue_row" FROM "issue" WHERE "id" = "issue_id_p";

123 SELECT * INTO "policy_row"

124 FROM "policy" WHERE "id" = "issue_row"."policy_id";

125 PERFORM "set_snapshot_event"("issue_id_p", 'full_freeze');

126 FOR "initiative_row" IN

127 SELECT * FROM "initiative"

128 WHERE "issue_id" = "issue_id_p" AND "revoked" ISNULL

129 LOOP

130 IF

131 "initiative_row"."polling" OR (

132 "initiative_row"."satisfied_supporter_count" > 0 AND

133 "initiative_row"."satisfied_supporter_count" *

134 "policy_row"."initiative_quorum_den" >=

135 "issue_row"."population" * "policy_row"."initiative_quorum_num"

136 )

137 THEN

138 UPDATE "initiative" SET "admitted" = TRUE

139 WHERE "id" = "initiative_row"."id";

140 ELSE

141 UPDATE "initiative" SET "admitted" = FALSE

142 WHERE "id" = "initiative_row"."id";

143 END IF;

144 END LOOP;

145 IF EXISTS (

146 SELECT NULL FROM "initiative"

147 WHERE "issue_id" = "issue_id_p" AND "admitted" = TRUE

148 ) THEN

149 UPDATE "issue" SET

150 "state" = 'voting',

151 "accepted" = coalesce("accepted", now()),

152 "half_frozen" = coalesce("half_frozen", now()),

153 "fully_frozen" = now()

154 WHERE "id" = "issue_id_p";

155 ELSE

156 UPDATE "issue" SET

157 "state" = 'canceled_no_initiative_admitted',

158 "accepted" = coalesce("accepted", now()),

159 "half_frozen" = coalesce("half_frozen", now()),

160 "fully_frozen" = now(),

161 "closed" = now(),

162 "ranks_available" = TRUE

163 WHERE "id" = "issue_id_p";

164 -- NOTE: The following DELETE statements have effect only when

165 -- issue state has been manipulated

166 DELETE FROM "direct_voter" WHERE "issue_id" = "issue_id_p";

167 DELETE FROM "delegating_voter" WHERE "issue_id" = "issue_id_p";

168 DELETE FROM "battle" WHERE "issue_id" = "issue_id_p";

169 END IF;

170 RETURN;

171 END;

172 $$;

173

174

175 -- issue comments removed, voting comments integrated in "direct_voter" table

176

177 ALTER TABLE "direct_voter" ADD COLUMN "comment_changed" TIMESTAMPTZ;

178 ALTER TABLE "direct_voter" ADD COLUMN "formatting_engine" TEXT;

179 ALTER TABLE "direct_voter" ADD COLUMN "comment" TEXT;

180 ALTER TABLE "direct_voter" ADD COLUMN "text_search_data" TSVECTOR;

181 CREATE INDEX "direct_voter_text_search_data_idx" ON "direct_voter" USING gin ("text_search_data");

182 CREATE TRIGGER "update_text_search_data"

183 BEFORE INSERT OR UPDATE ON "direct_voter"

184 FOR EACH ROW EXECUTE PROCEDURE

185 tsvector_update_trigger('text_search_data', 'pg_catalog.simple', "comment");

186

187 COMMENT ON COLUMN "direct_voter"."comment_changed" IS 'Shall be set on comment change, to indicate a comment being modified after voting has been finished; Automatically set to NULL after voting phase; Automatically set to NULL by trigger, if "comment" is set to NULL';

188 COMMENT ON COLUMN "direct_voter"."formatting_engine" IS 'Allows different formatting engines (i.e. wiki formats) to be used for "direct_voter"."comment"; Automatically set to NULL by trigger, if "comment" is set to NULL';

189 COMMENT ON COLUMN "direct_voter"."comment" IS 'Is to be set or updated by the frontend, if comment was inserted or updated AFTER the issue has been closed. Otherwise it shall be set to NULL.';

190

191 CREATE TABLE "rendered_voter_comment" (

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

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

194 REFERENCES "direct_voter" ("issue_id", "member_id")

195 ON DELETE CASCADE ON UPDATE CASCADE,

196 "issue_id" INT4,

197 "member_id" INT4,

198 "format" TEXT,

199 "content" TEXT NOT NULL );

200

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

202

203 DROP TABLE "rendered_issue_comment";

204 DROP TABLE "issue_comment";

205 DROP TABLE "rendered_voting_comment";

206 DROP TABLE "voting_comment";

207

208 CREATE FUNCTION "voter_comment_fields_only_set_when_voter_comment_is_set_trigger"()

209 RETURNS TRIGGER

210 LANGUAGE 'plpgsql' VOLATILE AS $$

211 BEGIN

212 IF NEW."comment" ISNULL THEN

213 NEW."comment_changed" := NULL;

214 NEW."formatting_engine" := NULL;

215 END IF;

216 RETURN NEW;

217 END;

218 $$;

219

220 CREATE TRIGGER "voter_comment_fields_only_set_when_voter_comment_is_set"

221 BEFORE INSERT OR UPDATE ON "direct_voter"

222 FOR EACH ROW EXECUTE PROCEDURE

223 "voter_comment_fields_only_set_when_voter_comment_is_set_trigger"();

224

225 COMMENT ON FUNCTION "voter_comment_fields_only_set_when_voter_comment_is_set_trigger"() IS 'Implementation of trigger "voter_comment_fields_only_set_when_voter_comment_is_set" ON table "direct_voter"';

226 COMMENT ON TRIGGER "voter_comment_fields_only_set_when_voter_comment_is_set" ON "direct_voter" IS 'If "comment" is set to NULL, then other comment related fields are also set to NULL.';

227

228 CREATE OR REPLACE FUNCTION "forbid_changes_on_closed_issue_trigger"()

229 RETURNS TRIGGER

230 LANGUAGE 'plpgsql' VOLATILE AS $$

231 DECLARE

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

233 "issue_row" "issue"%ROWTYPE;

234 BEGIN

235 IF TG_RELID = 'direct_voter'::regclass AND TG_OP = 'UPDATE' THEN

236 IF

237 OLD."issue_id" = NEW."issue_id" AND

238 OLD."member_id" = NEW."member_id" AND

239 OLD."weight" = NEW."weight"

240 THEN

241 RETURN NULL; -- allows changing of voter comment

242 END IF;

243 END IF;

244 IF TG_OP = 'DELETE' THEN

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

246 ELSE

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

248 END IF;

249 SELECT INTO "issue_row" * FROM "issue"

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

251 IF "issue_row"."closed" NOTNULL THEN

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

253 END IF;

254 RETURN NULL;

255 END;

256 $$;

257

258 CREATE OR REPLACE FUNCTION "close_voting"("issue_id_p" "issue"."id"%TYPE)

259 RETURNS VOID

260 LANGUAGE 'plpgsql' VOLATILE AS $$

261 DECLARE

262 "area_id_v" "area"."id"%TYPE;

263 "unit_id_v" "unit"."id"%TYPE;

264 "member_id_v" "member"."id"%TYPE;

265 BEGIN

266 PERFORM "lock_issue"("issue_id_p");

267 SELECT "area_id" INTO "area_id_v" FROM "issue" WHERE "id" = "issue_id_p";

268 SELECT "unit_id" INTO "unit_id_v" FROM "area" WHERE "id" = "area_id_v";

269 -- delete timestamp of voting comment:

270 UPDATE "direct_voter" SET "comment_changed" = NULL

271 WHERE "issue_id" = "issue_id_p";

272 -- delete delegating votes (in cases of manual reset of issue state):

273 DELETE FROM "delegating_voter"

274 WHERE "issue_id" = "issue_id_p";

275 -- delete votes from non-privileged voters:

276 DELETE FROM "direct_voter"

277 USING (

278 SELECT

279 "direct_voter"."member_id"

280 FROM "direct_voter"

281 JOIN "member" ON "direct_voter"."member_id" = "member"."id"

282 LEFT JOIN "privilege"

283 ON "privilege"."unit_id" = "unit_id_v"

284 AND "privilege"."member_id" = "direct_voter"."member_id"

285 WHERE "direct_voter"."issue_id" = "issue_id_p" AND (

286 "member"."active" = FALSE OR

287 "privilege"."voting_right" ISNULL OR

288 "privilege"."voting_right" = FALSE

289 )

290 ) AS "subquery"

291 WHERE "direct_voter"."issue_id" = "issue_id_p"

292 AND "direct_voter"."member_id" = "subquery"."member_id";

293 -- consider delegations:

294 UPDATE "direct_voter" SET "weight" = 1

295 WHERE "issue_id" = "issue_id_p";

296 PERFORM "add_vote_delegations"("issue_id_p");

297 -- set voter count and mark issue as being calculated:

298 UPDATE "issue" SET

299 "state" = 'calculation',

300 "closed" = now(),

301 "voter_count" = (

302 SELECT coalesce(sum("weight"), 0)

303 FROM "direct_voter" WHERE "issue_id" = "issue_id_p"

304 )

305 WHERE "id" = "issue_id_p";

306 -- materialize battle_view:

307 -- NOTE: "closed" column of issue must be set at this point

308 DELETE FROM "battle" WHERE "issue_id" = "issue_id_p";

309 INSERT INTO "battle" (

310 "issue_id",

311 "winning_initiative_id", "losing_initiative_id",

312 "count"

313 ) SELECT

314 "issue_id",

315 "winning_initiative_id", "losing_initiative_id",

316 "count"

317 FROM "battle_view" WHERE "issue_id" = "issue_id_p";

318 -- copy "positive_votes" and "negative_votes" from "battle" table:

319 UPDATE "initiative" SET

320 "positive_votes" = "battle_win"."count",

321 "negative_votes" = "battle_lose"."count"

322 FROM "battle" AS "battle_win", "battle" AS "battle_lose"

323 WHERE

324 "battle_win"."issue_id" = "issue_id_p" AND

325 "battle_win"."winning_initiative_id" = "initiative"."id" AND

326 "battle_win"."losing_initiative_id" ISNULL AND

327 "battle_lose"."issue_id" = "issue_id_p" AND

328 "battle_lose"."losing_initiative_id" = "initiative"."id" AND

329 "battle_lose"."winning_initiative_id" ISNULL;

330 END;

331 $$;

332

333 CREATE OR REPLACE FUNCTION "clean_issue"("issue_id_p" "issue"."id"%TYPE)

334 RETURNS VOID

335 LANGUAGE 'plpgsql' VOLATILE AS $$

336 DECLARE

337 "issue_row" "issue"%ROWTYPE;

338 BEGIN

339 SELECT * INTO "issue_row"

340 FROM "issue" WHERE "id" = "issue_id_p"

341 FOR UPDATE;

342 IF "issue_row"."cleaned" ISNULL THEN

343 UPDATE "issue" SET

344 "state" = 'voting',

345 "closed" = NULL,

346 "ranks_available" = FALSE

347 WHERE "id" = "issue_id_p";

348 DELETE FROM "delegating_voter"

349 WHERE "issue_id" = "issue_id_p";

350 DELETE FROM "direct_voter"

351 WHERE "issue_id" = "issue_id_p";

352 DELETE FROM "delegating_interest_snapshot"

353 WHERE "issue_id" = "issue_id_p";

354 DELETE FROM "direct_interest_snapshot"

355 WHERE "issue_id" = "issue_id_p";

356 DELETE FROM "delegating_population_snapshot"

357 WHERE "issue_id" = "issue_id_p";

358 DELETE FROM "direct_population_snapshot"

359 WHERE "issue_id" = "issue_id_p";

360 DELETE FROM "non_voter"

361 WHERE "issue_id" = "issue_id_p";

362 DELETE FROM "delegation"

363 WHERE "issue_id" = "issue_id_p";

364 DELETE FROM "supporter"

365 WHERE "issue_id" = "issue_id_p";

366 UPDATE "issue" SET

367 "state" = "issue_row"."state",

368 "closed" = "issue_row"."closed",

369 "ranks_available" = "issue_row"."ranks_available",

370 "cleaned" = now()

371 WHERE "id" = "issue_id_p";

372 END IF;

373 RETURN;

374 END;

375 $$;

376

377

378 -- "non_voter" deletes "direct_voter" and vice versa

379

380 CREATE FUNCTION "non_voter_deletes_direct_voter_trigger"()

381 RETURNS TRIGGER

382 LANGUAGE 'plpgsql' VOLATILE AS $$

383 BEGIN

384 DELETE FROM "direct_voter"

385 WHERE "issue_id" = NEW."issue_id" AND "member_id" = NEW."member_id";

386 RETURN NULL;

387 END;

388 $$;

389

390 CREATE TRIGGER "non_voter_deletes_direct_voter"

391 AFTER INSERT OR UPDATE ON "non_voter"

392 FOR EACH ROW EXECUTE PROCEDURE

393 "non_voter_deletes_direct_voter_trigger"();

394

395 COMMENT ON FUNCTION "non_voter_deletes_direct_voter_trigger"() IS 'Implementation of trigger "non_voter_deletes_direct_voter" on table "non_voter"';

396 COMMENT ON TRIGGER "non_voter_deletes_direct_voter" ON "non_voter" IS 'An entry in the "non_voter" table deletes an entry in the "direct_voter" table (and vice versa due to trigger "direct_voter_deletes_non_voter" on table "direct_voter")';

397

398 CREATE FUNCTION "direct_voter_deletes_non_voter_trigger"()

399 RETURNS TRIGGER

400 LANGUAGE 'plpgsql' VOLATILE AS $$

401 BEGIN

402 DELETE FROM "non_voter"

403 WHERE "issue_id" = NEW."issue_id" AND "member_id" = NEW."member_id";

404 RETURN NULL;

405 END;

406 $$;

407

408 CREATE TRIGGER "direct_voter_deletes_non_voter"

409 AFTER INSERT OR UPDATE ON "direct_voter"

410 FOR EACH ROW EXECUTE PROCEDURE

411 "direct_voter_deletes_non_voter_trigger"();

412

413 COMMENT ON FUNCTION "direct_voter_deletes_non_voter_trigger"() IS 'Implementation of trigger "direct_voter_deletes_non_voter" on table "direct_voter"';

414 COMMENT ON TRIGGER "direct_voter_deletes_non_voter" ON "direct_voter" IS 'An entry in the "direct_voter" table deletes an entry in the "non_voter" table (and vice versa due to trigger "non_voter_deletes_direct_voter" on table "non_voter")';

415

416

417 -- different locking levels and different locking order to avoid deadlocks

418

419 CREATE OR REPLACE FUNCTION "lock_issue"

420 ( "issue_id_p" "issue"."id"%TYPE )

421 RETURNS VOID

422 LANGUAGE 'plpgsql' VOLATILE AS $$

423 BEGIN

424 -- The following locking order is used:

425 -- 1st) row-level lock on the issue

426 -- 2nd) table-level locks in order of occurrence in the core.sql file

427 PERFORM NULL FROM "issue" WHERE "id" = "issue_id_p" FOR UPDATE;

428 -- NOTE: The row-level exclusive lock in combination with the

429 -- share_row_lock_issue(_via_initiative)_trigger functions (which

430 -- acquire a row-level share lock on the issue) ensure that no data

431 -- is changed, which could affect calculation of snapshots or

432 -- counting of votes. Table "delegation" must be table-level-locked,

433 -- as it also contains issue- and global-scope delegations.

434 PERFORM NULL FROM "member" WHERE "active" FOR SHARE;

435 -- NOTE: As we later cause implicit row-level share locks on many

436 -- active members, we lock them before locking any other table

437 -- to avoid deadlocks

438 LOCK TABLE "member" IN SHARE MODE;

439 LOCK TABLE "privilege" IN SHARE MODE;

440 LOCK TABLE "membership" IN SHARE MODE;

441 LOCK TABLE "policy" IN SHARE MODE;

442 LOCK TABLE "delegation" IN SHARE MODE;

443 LOCK TABLE "direct_population_snapshot" IN EXCLUSIVE MODE;

444 LOCK TABLE "delegating_population_snapshot" IN EXCLUSIVE MODE;

445 LOCK TABLE "direct_interest_snapshot" IN EXCLUSIVE MODE;

446 LOCK TABLE "delegating_interest_snapshot" IN EXCLUSIVE MODE;

447 LOCK TABLE "direct_supporter_snapshot" IN EXCLUSIVE MODE;

448 RETURN;

449 END;

450 $$;

451

452

453 -- new comment on function "delete_private_data"()

454

455 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.';

456

457

458 -- NOTE: The first version of the previous update script didn't

459 -- remove the "vote_ratio" function.

460 -- The function is therefore removed here as well, if existent.

461

462 DROP FUNCTION IF EXISTS "vote_ratio"

463 ( "initiative"."positive_votes"%TYPE,

464 "initiative"."negative_votes"%TYPE );

465

466

467 COMMIT;