liquid_feedback_core

view update/core-update.v2.2.6-v3.0.1.sql @ 593:e7f772ca0621

Removed an index on table "initiative"
author jbe
date Sat Dec 08 01:37:23 2018 +0100 (20 months ago)
parents 34cc98defa8b
children
line source
1 BEGIN;
3 CREATE OR REPLACE VIEW "liquid_feedback_version" AS
4 SELECT * FROM (VALUES ('3.0.1', 3, 0, 1))
5 AS "subquery"("string", "major", "minor", "revision");
7 CREATE TABLE "issue_order_in_admission_state" (
8 "id" INT8 PRIMARY KEY, --REFERENCES "issue" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
9 "order_in_area" INT4,
10 "order_in_unit" INT4 );
12 COMMENT ON TABLE "issue_order_in_admission_state" IS 'Ordering information for issues that are not stored in the "issue" table to avoid locking of multiple issues at once; Filled/updated by "lf_update_issue_order"';
14 COMMENT ON COLUMN "issue_order_in_admission_state"."id" IS 'References "issue" ("id") but has no referential integrity trigger associated, due to performance/locking issues';
15 COMMENT ON COLUMN "issue_order_in_admission_state"."order_in_area" IS 'Order of issues in admission state within a single area; NULL values sort last';
16 COMMENT ON COLUMN "issue_order_in_admission_state"."order_in_unit" IS 'Order of issues in admission state within all areas of a unit; NULL values sort last';
18 CREATE VIEW "issue_supporter_in_admission_state" AS
19 SELECT DISTINCT
20 "area"."unit_id",
21 "issue"."area_id",
22 "issue"."id" AS "issue_id",
23 "supporter"."member_id",
24 "direct_interest_snapshot"."weight"
25 FROM "issue"
26 JOIN "area" ON "area"."id" = "issue"."area_id"
27 JOIN "supporter" ON "supporter"."issue_id" = "issue"."id"
28 JOIN "direct_interest_snapshot"
29 ON "direct_interest_snapshot"."issue_id" = "issue"."id"
30 AND "direct_interest_snapshot"."event" = "issue"."latest_snapshot_event"
31 AND "direct_interest_snapshot"."member_id" = "supporter"."member_id"
32 WHERE "issue"."state" = 'admission'::"issue_state";
34 COMMENT ON VIEW "issue_supporter_in_admission_state" IS 'Helper view for "lf_update_issue_order" to allow a (proportional) ordering of issues within an area';
36 COMMENT ON COLUMN "initiative"."schulze_rank" IS 'Schulze-Ranking';
37 COMMENT ON COLUMN "initiative"."better_than_status_quo" IS 'TRUE, if initiative has a schulze-ranking better than the status quo';
38 COMMENT ON COLUMN "initiative"."worse_than_status_quo" IS 'TRUE, if initiative has a schulze-ranking worse than the status quo (DEPRECATED, since schulze-ranking is unique per issue; use "better_than_status_quo"=FALSE)';
39 COMMENT ON COLUMN "initiative"."winner" IS 'Winner is the "eligible" initiative with best "schulze_rank"';
41 CREATE OR REPLACE FUNCTION "calculate_ranks"("issue_id_p" "issue"."id"%TYPE)
42 RETURNS VOID
43 LANGUAGE 'plpgsql' VOLATILE AS $$
44 DECLARE
45 "issue_row" "issue"%ROWTYPE;
46 "policy_row" "policy"%ROWTYPE;
47 "dimension_v" INTEGER;
48 "vote_matrix" INT4[][]; -- absolute votes
49 "matrix" INT8[][]; -- defeat strength / best paths
50 "i" INTEGER;
51 "j" INTEGER;
52 "k" INTEGER;
53 "battle_row" "battle"%ROWTYPE;
54 "rank_ary" INT4[];
55 "rank_v" INT4;
56 "initiative_id_v" "initiative"."id"%TYPE;
57 BEGIN
58 PERFORM "require_transaction_isolation"();
59 SELECT * INTO "issue_row"
60 FROM "issue" WHERE "id" = "issue_id_p";
61 SELECT * INTO "policy_row"
62 FROM "policy" WHERE "id" = "issue_row"."policy_id";
63 SELECT count(1) INTO "dimension_v"
64 FROM "battle_participant" WHERE "issue_id" = "issue_id_p";
65 -- Create "vote_matrix" with absolute number of votes in pairwise
66 -- comparison:
67 "vote_matrix" := array_fill(NULL::INT4, ARRAY["dimension_v", "dimension_v"]);
68 "i" := 1;
69 "j" := 2;
70 FOR "battle_row" IN
71 SELECT * FROM "battle" WHERE "issue_id" = "issue_id_p"
72 ORDER BY
73 "winning_initiative_id" NULLS FIRST,
74 "losing_initiative_id" NULLS FIRST
75 LOOP
76 "vote_matrix"["i"]["j"] := "battle_row"."count";
77 IF "j" = "dimension_v" THEN
78 "i" := "i" + 1;
79 "j" := 1;
80 ELSE
81 "j" := "j" + 1;
82 IF "j" = "i" THEN
83 "j" := "j" + 1;
84 END IF;
85 END IF;
86 END LOOP;
87 IF "i" != "dimension_v" OR "j" != "dimension_v" + 1 THEN
88 RAISE EXCEPTION 'Wrong battle count (should not happen)';
89 END IF;
90 -- Store defeat strengths in "matrix" using "defeat_strength"
91 -- function:
92 "matrix" := array_fill(NULL::INT8, ARRAY["dimension_v", "dimension_v"]);
93 "i" := 1;
94 LOOP
95 "j" := 1;
96 LOOP
97 IF "i" != "j" THEN
98 "matrix"["i"]["j"] := "defeat_strength"(
99 "vote_matrix"["i"]["j"],
100 "vote_matrix"["j"]["i"]
101 );
102 END IF;
103 EXIT WHEN "j" = "dimension_v";
104 "j" := "j" + 1;
105 END LOOP;
106 EXIT WHEN "i" = "dimension_v";
107 "i" := "i" + 1;
108 END LOOP;
109 -- Find best paths:
110 "i" := 1;
111 LOOP
112 "j" := 1;
113 LOOP
114 IF "i" != "j" THEN
115 "k" := 1;
116 LOOP
117 IF "i" != "k" AND "j" != "k" THEN
118 IF "matrix"["j"]["i"] < "matrix"["i"]["k"] THEN
119 IF "matrix"["j"]["i"] > "matrix"["j"]["k"] THEN
120 "matrix"["j"]["k"] := "matrix"["j"]["i"];
121 END IF;
122 ELSE
123 IF "matrix"["i"]["k"] > "matrix"["j"]["k"] THEN
124 "matrix"["j"]["k"] := "matrix"["i"]["k"];
125 END IF;
126 END IF;
127 END IF;
128 EXIT WHEN "k" = "dimension_v";
129 "k" := "k" + 1;
130 END LOOP;
131 END IF;
132 EXIT WHEN "j" = "dimension_v";
133 "j" := "j" + 1;
134 END LOOP;
135 EXIT WHEN "i" = "dimension_v";
136 "i" := "i" + 1;
137 END LOOP;
138 -- Determine order of winners:
139 "rank_ary" := array_fill(NULL::INT4, ARRAY["dimension_v"]);
140 "rank_v" := 1;
141 LOOP
142 "i" := 1;
143 LOOP
144 IF "rank_ary"["i"] ISNULL THEN
145 "j" := 1;
146 LOOP
147 IF
148 "i" != "j" AND
149 "rank_ary"["j"] ISNULL AND
150 ( "matrix"["j"]["i"] > "matrix"["i"]["j"] OR
151 -- tie-breaking by "id"
152 ( "matrix"["j"]["i"] = "matrix"["i"]["j"] AND
153 "j" < "i" ) )
154 THEN
155 -- someone else is better
156 EXIT;
157 END IF;
158 "j" := "j" + 1;
159 IF "j" = "dimension_v" + 1 THEN
160 -- noone is better
161 "rank_ary"["i"] := "rank_v";
162 EXIT;
163 END IF;
164 END LOOP;
165 EXIT WHEN "j" = "dimension_v" + 1;
166 END IF;
167 "i" := "i" + 1;
168 IF "i" > "dimension_v" THEN
169 RAISE EXCEPTION 'Schulze ranking does not compute (should not happen)';
170 END IF;
171 END LOOP;
172 EXIT WHEN "rank_v" = "dimension_v";
173 "rank_v" := "rank_v" + 1;
174 END LOOP;
175 -- write preliminary results:
176 "i" := 2; -- omit status quo with "i" = 1
177 FOR "initiative_id_v" IN
178 SELECT "id" FROM "initiative"
179 WHERE "issue_id" = "issue_id_p" AND "admitted"
180 ORDER BY "id"
181 LOOP
182 UPDATE "initiative" SET
183 "direct_majority" =
184 CASE WHEN "policy_row"."direct_majority_strict" THEN
185 "positive_votes" * "policy_row"."direct_majority_den" >
186 "policy_row"."direct_majority_num" * ("positive_votes"+"negative_votes")
187 ELSE
188 "positive_votes" * "policy_row"."direct_majority_den" >=
189 "policy_row"."direct_majority_num" * ("positive_votes"+"negative_votes")
190 END
191 AND "positive_votes" >= "policy_row"."direct_majority_positive"
192 AND "issue_row"."voter_count"-"negative_votes" >=
193 "policy_row"."direct_majority_non_negative",
194 "indirect_majority" =
195 CASE WHEN "policy_row"."indirect_majority_strict" THEN
196 "positive_votes" * "policy_row"."indirect_majority_den" >
197 "policy_row"."indirect_majority_num" * ("positive_votes"+"negative_votes")
198 ELSE
199 "positive_votes" * "policy_row"."indirect_majority_den" >=
200 "policy_row"."indirect_majority_num" * ("positive_votes"+"negative_votes")
201 END
202 AND "positive_votes" >= "policy_row"."indirect_majority_positive"
203 AND "issue_row"."voter_count"-"negative_votes" >=
204 "policy_row"."indirect_majority_non_negative",
205 "schulze_rank" = "rank_ary"["i"],
206 "better_than_status_quo" = "rank_ary"["i"] < "rank_ary"[1],
207 "worse_than_status_quo" = "rank_ary"["i"] > "rank_ary"[1],
208 "multistage_majority" = "rank_ary"["i"] >= "rank_ary"[1],
209 "reverse_beat_path" = "matrix"[1]["i"] >= 0,
210 "eligible" = FALSE,
211 "winner" = FALSE,
212 "rank" = NULL -- NOTE: in cases of manual reset of issue state
213 WHERE "id" = "initiative_id_v";
214 "i" := "i" + 1;
215 END LOOP;
216 IF "i" != "dimension_v" + 1 THEN
217 RAISE EXCEPTION 'Wrong winner count (should not happen)';
218 END IF;
219 -- take indirect majorities into account:
220 LOOP
221 UPDATE "initiative" SET "indirect_majority" = TRUE
222 FROM (
223 SELECT "new_initiative"."id" AS "initiative_id"
224 FROM "initiative" "old_initiative"
225 JOIN "initiative" "new_initiative"
226 ON "new_initiative"."issue_id" = "issue_id_p"
227 AND "new_initiative"."indirect_majority" = FALSE
228 JOIN "battle" "battle_win"
229 ON "battle_win"."issue_id" = "issue_id_p"
230 AND "battle_win"."winning_initiative_id" = "new_initiative"."id"
231 AND "battle_win"."losing_initiative_id" = "old_initiative"."id"
232 JOIN "battle" "battle_lose"
233 ON "battle_lose"."issue_id" = "issue_id_p"
234 AND "battle_lose"."losing_initiative_id" = "new_initiative"."id"
235 AND "battle_lose"."winning_initiative_id" = "old_initiative"."id"
236 WHERE "old_initiative"."issue_id" = "issue_id_p"
237 AND "old_initiative"."indirect_majority" = TRUE
238 AND CASE WHEN "policy_row"."indirect_majority_strict" THEN
239 "battle_win"."count" * "policy_row"."indirect_majority_den" >
240 "policy_row"."indirect_majority_num" *
241 ("battle_win"."count"+"battle_lose"."count")
242 ELSE
243 "battle_win"."count" * "policy_row"."indirect_majority_den" >=
244 "policy_row"."indirect_majority_num" *
245 ("battle_win"."count"+"battle_lose"."count")
246 END
247 AND "battle_win"."count" >= "policy_row"."indirect_majority_positive"
248 AND "issue_row"."voter_count"-"battle_lose"."count" >=
249 "policy_row"."indirect_majority_non_negative"
250 ) AS "subquery"
251 WHERE "id" = "subquery"."initiative_id";
252 EXIT WHEN NOT FOUND;
253 END LOOP;
254 -- set "multistage_majority" for remaining matching initiatives:
255 UPDATE "initiative" SET "multistage_majority" = TRUE
256 FROM (
257 SELECT "losing_initiative"."id" AS "initiative_id"
258 FROM "initiative" "losing_initiative"
259 JOIN "initiative" "winning_initiative"
260 ON "winning_initiative"."issue_id" = "issue_id_p"
261 AND "winning_initiative"."admitted"
262 JOIN "battle" "battle_win"
263 ON "battle_win"."issue_id" = "issue_id_p"
264 AND "battle_win"."winning_initiative_id" = "winning_initiative"."id"
265 AND "battle_win"."losing_initiative_id" = "losing_initiative"."id"
266 JOIN "battle" "battle_lose"
267 ON "battle_lose"."issue_id" = "issue_id_p"
268 AND "battle_lose"."losing_initiative_id" = "winning_initiative"."id"
269 AND "battle_lose"."winning_initiative_id" = "losing_initiative"."id"
270 WHERE "losing_initiative"."issue_id" = "issue_id_p"
271 AND "losing_initiative"."admitted"
272 AND "winning_initiative"."schulze_rank" <
273 "losing_initiative"."schulze_rank"
274 AND "battle_win"."count" > "battle_lose"."count"
275 AND (
276 "battle_win"."count" > "winning_initiative"."positive_votes" OR
277 "battle_lose"."count" < "losing_initiative"."negative_votes" )
278 ) AS "subquery"
279 WHERE "id" = "subquery"."initiative_id";
280 -- mark eligible initiatives:
281 UPDATE "initiative" SET "eligible" = TRUE
282 WHERE "issue_id" = "issue_id_p"
283 AND "initiative"."direct_majority"
284 AND "initiative"."indirect_majority"
285 AND "initiative"."better_than_status_quo"
286 AND (
287 "policy_row"."no_multistage_majority" = FALSE OR
288 "initiative"."multistage_majority" = FALSE )
289 AND (
290 "policy_row"."no_reverse_beat_path" = FALSE OR
291 "initiative"."reverse_beat_path" = FALSE );
292 -- mark final winner:
293 UPDATE "initiative" SET "winner" = TRUE
294 FROM (
295 SELECT "id" AS "initiative_id"
296 FROM "initiative"
297 WHERE "issue_id" = "issue_id_p" AND "eligible"
298 ORDER BY
299 "schulze_rank",
300 "id"
301 LIMIT 1
302 ) AS "subquery"
303 WHERE "id" = "subquery"."initiative_id";
304 -- write (final) ranks:
305 "rank_v" := 1;
306 FOR "initiative_id_v" IN
307 SELECT "id"
308 FROM "initiative"
309 WHERE "issue_id" = "issue_id_p" AND "admitted"
310 ORDER BY
311 "winner" DESC,
312 "eligible" DESC,
313 "schulze_rank",
314 "id"
315 LOOP
316 UPDATE "initiative" SET "rank" = "rank_v"
317 WHERE "id" = "initiative_id_v";
318 "rank_v" := "rank_v" + 1;
319 END LOOP;
320 -- set schulze rank of status quo and mark issue as finished:
321 UPDATE "issue" SET
322 "status_quo_schulze_rank" = "rank_ary"[1],
323 "state" =
324 CASE WHEN EXISTS (
325 SELECT NULL FROM "initiative"
326 WHERE "issue_id" = "issue_id_p" AND "winner"
327 ) THEN
328 'finished_with_winner'::"issue_state"
329 ELSE
330 'finished_without_winner'::"issue_state"
331 END,
332 "closed" = "phase_finished",
333 "phase_finished" = NULL
334 WHERE "id" = "issue_id_p";
335 RETURN;
336 END;
337 $$;
339 ALTER TABLE "initiative" ADD COLUMN "first_preference_votes" INT4;
341 ALTER TABLE "initiative" DROP CONSTRAINT "non_admitted_initiatives_cant_contain_voting_results";
342 ALTER TABLE "initiative" ADD CONSTRAINT "non_admitted_initiatives_cant_contain_voting_results" CHECK (
343 ( "admitted" NOTNULL AND "admitted" = TRUE ) OR
344 ( "first_preference_votes" ISNULL AND
345 "positive_votes" ISNULL AND "negative_votes" ISNULL AND
346 "direct_majority" ISNULL AND "indirect_majority" ISNULL AND
347 "schulze_rank" ISNULL AND
348 "better_than_status_quo" ISNULL AND "worse_than_status_quo" ISNULL AND
349 "reverse_beat_path" ISNULL AND "multistage_majority" ISNULL AND
350 "eligible" ISNULL AND "winner" ISNULL AND "rank" ISNULL ) );
352 COMMENT ON COLUMN "initiative"."first_preference_votes" IS 'Number of direct and delegating voters who ranked this initiative as their first choice';
353 COMMENT ON COLUMN "initiative"."positive_votes" IS 'Number of direct and delegating voters who ranked this initiative better than the status quo';
354 COMMENT ON COLUMN "initiative"."negative_votes" IS 'Number of direct and delegating voters who ranked this initiative worse than the status quo';
356 -- UPDATE TABLE "vote" SET "grade" = 0 WHERE "grade" ISNULL; -- should not be necessary
357 ALTER TABLE "vote" ALTER COLUMN "grade" SET NOT NULL;
359 ALTER TABLE "vote" ADD COLUMN "first_preference" BOOLEAN;
361 ALTER TABLE "vote" ADD
362 CONSTRAINT "first_preference_flag_only_set_on_positive_grades"
363 CHECK ("grade" > 0 OR "first_preference" ISNULL);
365 COMMENT ON COLUMN "vote"."first_preference" IS 'Value is automatically set after voting is finished. For positive grades, this value is set to true for the highest (i.e. best) grade.';
367 INSERT INTO "temporary_transaction_data" ("key", "value")
368 VALUES ('override_protection_triggers', TRUE::TEXT);
370 UPDATE "vote" SET "first_preference" = "subquery"."first_preference"
371 FROM (
372 SELECT
373 "vote"."initiative_id",
374 "vote"."member_id",
375 CASE WHEN "vote"."grade" > 0 THEN
376 CASE WHEN "vote"."grade" = max("agg"."grade") THEN TRUE ELSE FALSE END
377 ELSE NULL
378 END AS "first_preference"
379 FROM "vote"
380 JOIN "initiative" -- NOTE: due to missing index on issue_id
381 ON "vote"."issue_id" = "initiative"."issue_id"
382 JOIN "vote" AS "agg"
383 ON "initiative"."id" = "agg"."initiative_id"
384 AND "vote"."member_id" = "agg"."member_id"
385 GROUP BY "vote"."initiative_id", "vote"."member_id"
386 ) AS "subquery"
387 WHERE "vote"."initiative_id" = "subquery"."initiative_id"
388 AND "vote"."member_id" = "subquery"."member_id";
390 DELETE FROM "temporary_transaction_data"
391 WHERE "key" = 'override_protection_triggers';
393 UPDATE "initiative"
394 SET "first_preference_votes" = coalesce("subquery"."sum", 0)
395 FROM (
396 SELECT "vote"."initiative_id", sum("direct_voter"."weight")
397 FROM "vote" JOIN "direct_voter"
398 ON "vote"."issue_id" = "direct_voter"."issue_id"
399 AND "vote"."member_id" = "direct_voter"."member_id"
400 WHERE "vote"."first_preference"
401 GROUP BY "vote"."initiative_id"
402 ) AS "subquery"
403 WHERE "initiative"."admitted"
404 AND "initiative"."id" = "subquery"."initiative_id";
406 -- reconstruct battle data (originating from LiquidFeedback Core before v2.0.0)
407 -- to avoid future data loss when executing "clean_issue" to delete voting data:
408 INSERT INTO "battle" (
409 "issue_id",
410 "winning_initiative_id",
411 "losing_initiative_id",
412 "count"
413 ) SELECT
414 "battle_view"."issue_id",
415 "battle_view"."winning_initiative_id",
416 "battle_view"."losing_initiative_id",
417 "battle_view"."count"
418 FROM (
419 SELECT
420 "issue"."id" AS "issue_id",
421 "winning_initiative"."id" AS "winning_initiative_id",
422 "losing_initiative"."id" AS "losing_initiative_id",
423 sum(
424 CASE WHEN
425 coalesce("better_vote"."grade", 0) >
426 coalesce("worse_vote"."grade", 0)
427 THEN "direct_voter"."weight" ELSE 0 END
428 ) AS "count"
429 FROM "issue"
430 LEFT JOIN "direct_voter"
431 ON "issue"."id" = "direct_voter"."issue_id"
432 JOIN "battle_participant" AS "winning_initiative"
433 ON "issue"."id" = "winning_initiative"."issue_id"
434 JOIN "battle_participant" AS "losing_initiative"
435 ON "issue"."id" = "losing_initiative"."issue_id"
436 LEFT JOIN "vote" AS "better_vote"
437 ON "direct_voter"."member_id" = "better_vote"."member_id"
438 AND "winning_initiative"."id" = "better_vote"."initiative_id"
439 LEFT JOIN "vote" AS "worse_vote"
440 ON "direct_voter"."member_id" = "worse_vote"."member_id"
441 AND "losing_initiative"."id" = "worse_vote"."initiative_id"
442 WHERE "issue"."state" IN ('finished_with_winner', 'finished_without_winner')
443 AND "winning_initiative"."id" != "losing_initiative"."id"
444 -- NOTE: comparisons with status-quo are intentionally omitted to mark
445 -- issues that were counted prior LiquidFeedback Core v2.0.0
446 GROUP BY
447 "issue"."id",
448 "winning_initiative"."id",
449 "losing_initiative"."id"
450 ) AS "battle_view"
451 LEFT JOIN "battle"
452 ON "battle_view"."winning_initiative_id" = "battle"."winning_initiative_id"
453 AND "battle_view"."losing_initiative_id" = "battle"."losing_initiative_id"
454 WHERE "battle" ISNULL;
456 CREATE OR REPLACE FUNCTION "close_voting"("issue_id_p" "issue"."id"%TYPE)
457 RETURNS VOID
458 LANGUAGE 'plpgsql' VOLATILE AS $$
459 DECLARE
460 "area_id_v" "area"."id"%TYPE;
461 "unit_id_v" "unit"."id"%TYPE;
462 "member_id_v" "member"."id"%TYPE;
463 BEGIN
464 PERFORM "require_transaction_isolation"();
465 SELECT "area_id" INTO "area_id_v" FROM "issue" WHERE "id" = "issue_id_p";
466 SELECT "unit_id" INTO "unit_id_v" FROM "area" WHERE "id" = "area_id_v";
467 -- override protection triggers:
468 INSERT INTO "temporary_transaction_data" ("key", "value")
469 VALUES ('override_protection_triggers', TRUE::TEXT);
470 -- delete timestamp of voting comment:
471 UPDATE "direct_voter" SET "comment_changed" = NULL
472 WHERE "issue_id" = "issue_id_p";
473 -- delete delegating votes (in cases of manual reset of issue state):
474 DELETE FROM "delegating_voter"
475 WHERE "issue_id" = "issue_id_p";
476 -- delete votes from non-privileged voters:
477 DELETE FROM "direct_voter"
478 USING (
479 SELECT
480 "direct_voter"."member_id"
481 FROM "direct_voter"
482 JOIN "member" ON "direct_voter"."member_id" = "member"."id"
483 LEFT JOIN "privilege"
484 ON "privilege"."unit_id" = "unit_id_v"
485 AND "privilege"."member_id" = "direct_voter"."member_id"
486 WHERE "direct_voter"."issue_id" = "issue_id_p" AND (
487 "member"."active" = FALSE OR
488 "privilege"."voting_right" ISNULL OR
489 "privilege"."voting_right" = FALSE
490 )
491 ) AS "subquery"
492 WHERE "direct_voter"."issue_id" = "issue_id_p"
493 AND "direct_voter"."member_id" = "subquery"."member_id";
494 -- consider delegations:
495 UPDATE "direct_voter" SET "weight" = 1
496 WHERE "issue_id" = "issue_id_p";
497 PERFORM "add_vote_delegations"("issue_id_p");
498 -- mark first preferences:
499 UPDATE "vote" SET "first_preference" = "subquery"."first_preference"
500 FROM (
501 SELECT
502 "vote"."initiative_id",
503 "vote"."member_id",
504 CASE WHEN "vote"."grade" > 0 THEN
505 CASE WHEN "vote"."grade" = max("agg"."grade") THEN TRUE ELSE FALSE END
506 ELSE NULL
507 END AS "first_preference"
508 FROM "vote"
509 JOIN "initiative" -- NOTE: due to missing index on issue_id
510 ON "vote"."issue_id" = "initiative"."issue_id"
511 JOIN "vote" AS "agg"
512 ON "initiative"."id" = "agg"."initiative_id"
513 AND "vote"."member_id" = "agg"."member_id"
514 GROUP BY "vote"."initiative_id", "vote"."member_id"
515 ) AS "subquery"
516 WHERE "vote"."issue_id" = "issue_id_p"
517 AND "vote"."initiative_id" = "subquery"."initiative_id"
518 AND "vote"."member_id" = "subquery"."member_id";
519 -- finish overriding protection triggers (avoids garbage):
520 DELETE FROM "temporary_transaction_data"
521 WHERE "key" = 'override_protection_triggers';
522 -- materialize battle_view:
523 -- NOTE: "closed" column of issue must be set at this point
524 DELETE FROM "battle" WHERE "issue_id" = "issue_id_p";
525 INSERT INTO "battle" (
526 "issue_id",
527 "winning_initiative_id", "losing_initiative_id",
528 "count"
529 ) SELECT
530 "issue_id",
531 "winning_initiative_id", "losing_initiative_id",
532 "count"
533 FROM "battle_view" WHERE "issue_id" = "issue_id_p";
534 -- set voter count:
535 UPDATE "issue" SET
536 "voter_count" = (
537 SELECT coalesce(sum("weight"), 0)
538 FROM "direct_voter" WHERE "issue_id" = "issue_id_p"
539 )
540 WHERE "id" = "issue_id_p";
541 -- calculate "first_preference_votes":
542 UPDATE "initiative"
543 SET "first_preference_votes" = coalesce("subquery"."sum", 0)
544 FROM (
545 SELECT "vote"."initiative_id", sum("direct_voter"."weight")
546 FROM "vote" JOIN "direct_voter"
547 ON "vote"."issue_id" = "direct_voter"."issue_id"
548 AND "vote"."member_id" = "direct_voter"."member_id"
549 WHERE "vote"."first_preference"
550 GROUP BY "vote"."initiative_id"
551 ) AS "subquery"
552 WHERE "initiative"."issue_id" = "issue_id_p"
553 AND "initiative"."admitted"
554 AND "initiative"."id" = "subquery"."initiative_id";
555 -- copy "positive_votes" and "negative_votes" from "battle" table:
556 UPDATE "initiative" SET
557 "positive_votes" = "battle_win"."count",
558 "negative_votes" = "battle_lose"."count"
559 FROM "battle" AS "battle_win", "battle" AS "battle_lose"
560 WHERE
561 "battle_win"."issue_id" = "issue_id_p" AND
562 "battle_win"."winning_initiative_id" = "initiative"."id" AND
563 "battle_win"."losing_initiative_id" ISNULL AND
564 "battle_lose"."issue_id" = "issue_id_p" AND
565 "battle_lose"."losing_initiative_id" = "initiative"."id" AND
566 "battle_lose"."winning_initiative_id" ISNULL;
567 END;
568 $$;
570 COMMIT;

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