liquid_feedback_core

annotate update/core-update.v3.0.2-v3.0.3.sql @ 484:d264e48cffbf

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Sort harmonic_weight of NULL after zero in updated_or_featured_initiative
author jbe
date Fri Apr 01 17:24:32 2016 +0200 (2016-04-01)
parents 785ea3c0fd18
children
rev   line source
jbe@436 1 BEGIN;
jbe@436 2
jbe@436 3 CREATE OR REPLACE VIEW "liquid_feedback_version" AS
jbe@436 4 SELECT * FROM (VALUES ('3.0.3', 3, 0, 3))
jbe@436 5 AS "subquery"("string", "major", "minor", "revision");
jbe@436 6
jbe@436 7 CREATE FUNCTION "update3_0_3_add_columns_if_missing"()
jbe@436 8 RETURNS VOID
jbe@436 9 LANGUAGE 'plpgsql' AS $$
jbe@436 10 BEGIN
jbe@436 11 BEGIN
jbe@436 12 ALTER TABLE "initiative" ADD COLUMN "first_preference_votes" INT4;
jbe@436 13 EXCEPTION
jbe@436 14 WHEN duplicate_column THEN
jbe@436 15 RAISE NOTICE 'column "first_preference_votes" of relation "initiative" already exists, skipping';
jbe@436 16 END;
jbe@436 17 BEGIN
jbe@436 18 ALTER TABLE "vote" ADD COLUMN "first_preference" BOOLEAN;
jbe@436 19 EXCEPTION
jbe@436 20 WHEN duplicate_column THEN
jbe@436 21 RAISE NOTICE 'column "first_preference" of relation "vote" already exists, skipping';
jbe@436 22 END;
jbe@436 23 RETURN;
jbe@436 24 END;
jbe@436 25 $$;
jbe@436 26
jbe@436 27 SELECT "update3_0_3_add_columns_if_missing"();
jbe@436 28
jbe@436 29 DROP FUNCTION "update3_0_3_add_columns_if_missing"();
jbe@436 30
jbe@436 31 ALTER TABLE "initiative" DROP CONSTRAINT "non_admitted_initiatives_cant_contain_voting_results";
jbe@436 32 ALTER TABLE "initiative" ADD CONSTRAINT "non_admitted_initiatives_cant_contain_voting_results" CHECK (
jbe@436 33 ( "admitted" NOTNULL AND "admitted" = TRUE ) OR
jbe@436 34 ( "first_preference_votes" ISNULL AND
jbe@436 35 "positive_votes" ISNULL AND "negative_votes" ISNULL AND
jbe@436 36 "direct_majority" ISNULL AND "indirect_majority" ISNULL AND
jbe@436 37 "schulze_rank" ISNULL AND
jbe@436 38 "better_than_status_quo" ISNULL AND "worse_than_status_quo" ISNULL AND
jbe@436 39 "reverse_beat_path" ISNULL AND "multistage_majority" ISNULL AND
jbe@436 40 "eligible" ISNULL AND "winner" ISNULL AND "rank" ISNULL ) );
jbe@436 41
jbe@436 42 COMMENT ON COLUMN "initiative"."first_preference_votes" IS 'Number of direct and delegating voters who ranked this initiative as their first choice';
jbe@436 43 COMMENT ON COLUMN "initiative"."positive_votes" IS 'Number of direct and delegating voters who ranked this initiative better than the status quo';
jbe@436 44 COMMENT ON COLUMN "initiative"."negative_votes" IS 'Number of direct and delegating voters who ranked this initiative worse than the status quo';
jbe@436 45
jbe@436 46 -- UPDATE TABLE "vote" SET "grade" = 0 WHERE "grade" ISNULL; -- should not be necessary
jbe@436 47 ALTER TABLE "vote" ALTER COLUMN "grade" SET NOT NULL;
jbe@436 48
jbe@436 49 ALTER TABLE "vote" DROP CONSTRAINT IF EXISTS "first_preference_flag_only_set_on_positive_grades";
jbe@436 50 ALTER TABLE "vote" ADD
jbe@436 51 CONSTRAINT "first_preference_flag_only_set_on_positive_grades"
jbe@436 52 CHECK ("grade" > 0 OR "first_preference" ISNULL);
jbe@436 53
jbe@436 54 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.';
jbe@436 55
jbe@436 56 INSERT INTO "temporary_transaction_data" ("key", "value")
jbe@436 57 VALUES ('override_protection_triggers', TRUE::TEXT);
jbe@436 58
jbe@436 59 UPDATE "vote" SET "first_preference" = "subquery"."first_preference"
jbe@436 60 FROM (
jbe@436 61 SELECT
jbe@436 62 "vote"."initiative_id",
jbe@436 63 "vote"."member_id",
jbe@436 64 CASE WHEN "vote"."grade" > 0 THEN
jbe@436 65 CASE WHEN "vote"."grade" = max("agg"."grade") THEN TRUE ELSE FALSE END
jbe@436 66 ELSE NULL
jbe@436 67 END AS "first_preference"
jbe@436 68 FROM "vote"
jbe@436 69 JOIN "initiative" -- NOTE: due to missing index on issue_id
jbe@436 70 ON "vote"."issue_id" = "initiative"."issue_id"
jbe@436 71 JOIN "vote" AS "agg"
jbe@436 72 ON "initiative"."id" = "agg"."initiative_id"
jbe@436 73 AND "vote"."member_id" = "agg"."member_id"
jbe@436 74 GROUP BY "vote"."initiative_id", "vote"."member_id"
jbe@436 75 ) AS "subquery"
jbe@436 76 WHERE "vote"."initiative_id" = "subquery"."initiative_id"
jbe@436 77 AND "vote"."member_id" = "subquery"."member_id";
jbe@436 78
jbe@436 79 DELETE FROM "temporary_transaction_data"
jbe@436 80 WHERE "key" = 'override_protection_triggers';
jbe@436 81
jbe@436 82 UPDATE "initiative" SET "first_preference_votes" = NULL
jbe@436 83 WHERE "first_preference_votes" = 0;
jbe@436 84
jbe@436 85 UPDATE "initiative"
jbe@436 86 SET "first_preference_votes" = "subquery"."sum"
jbe@436 87 FROM (
jbe@436 88 SELECT "vote"."initiative_id", sum("direct_voter"."weight")
jbe@436 89 FROM "vote" JOIN "direct_voter"
jbe@436 90 ON "vote"."issue_id" = "direct_voter"."issue_id"
jbe@436 91 AND "vote"."member_id" = "direct_voter"."member_id"
jbe@436 92 WHERE "vote"."first_preference"
jbe@436 93 GROUP BY "vote"."initiative_id"
jbe@436 94 ) AS "subquery"
jbe@436 95 WHERE "initiative"."admitted"
jbe@436 96 AND "initiative"."id" = "subquery"."initiative_id"
jbe@436 97 AND "initiative"."first_preference_votes" ISNULL;
jbe@436 98
jbe@436 99 UPDATE "initiative" SET "first_preference_votes" = 0
jbe@436 100 WHERE "positive_votes" NOTNULL
jbe@436 101 AND "first_preference_votes" ISNULL;
jbe@436 102
jbe@436 103 -- reconstruct battle data (originating from LiquidFeedback Core before v2.0.0)
jbe@436 104 -- to avoid future data loss when executing "clean_issue" to delete voting data:
jbe@436 105 INSERT INTO "battle" (
jbe@436 106 "issue_id",
jbe@436 107 "winning_initiative_id",
jbe@436 108 "losing_initiative_id",
jbe@436 109 "count"
jbe@436 110 ) SELECT
jbe@436 111 "battle_view"."issue_id",
jbe@436 112 "battle_view"."winning_initiative_id",
jbe@436 113 "battle_view"."losing_initiative_id",
jbe@436 114 "battle_view"."count"
jbe@436 115 FROM (
jbe@436 116 SELECT
jbe@436 117 "issue"."id" AS "issue_id",
jbe@436 118 "winning_initiative"."id" AS "winning_initiative_id",
jbe@436 119 "losing_initiative"."id" AS "losing_initiative_id",
jbe@436 120 sum(
jbe@436 121 CASE WHEN
jbe@436 122 coalesce("better_vote"."grade", 0) >
jbe@436 123 coalesce("worse_vote"."grade", 0)
jbe@436 124 THEN "direct_voter"."weight" ELSE 0 END
jbe@436 125 ) AS "count"
jbe@436 126 FROM "issue"
jbe@436 127 LEFT JOIN "direct_voter"
jbe@436 128 ON "issue"."id" = "direct_voter"."issue_id"
jbe@436 129 JOIN "battle_participant" AS "winning_initiative"
jbe@436 130 ON "issue"."id" = "winning_initiative"."issue_id"
jbe@436 131 JOIN "battle_participant" AS "losing_initiative"
jbe@436 132 ON "issue"."id" = "losing_initiative"."issue_id"
jbe@436 133 LEFT JOIN "vote" AS "better_vote"
jbe@436 134 ON "direct_voter"."member_id" = "better_vote"."member_id"
jbe@436 135 AND "winning_initiative"."id" = "better_vote"."initiative_id"
jbe@436 136 LEFT JOIN "vote" AS "worse_vote"
jbe@436 137 ON "direct_voter"."member_id" = "worse_vote"."member_id"
jbe@436 138 AND "losing_initiative"."id" = "worse_vote"."initiative_id"
jbe@436 139 WHERE "issue"."state" IN ('finished_with_winner', 'finished_without_winner')
jbe@436 140 AND "winning_initiative"."id" != "losing_initiative"."id"
jbe@436 141 -- NOTE: comparisons with status-quo are intentionally omitted to mark
jbe@436 142 -- issues that were counted prior LiquidFeedback Core v2.0.0
jbe@436 143 GROUP BY
jbe@436 144 "issue"."id",
jbe@436 145 "winning_initiative"."id",
jbe@436 146 "losing_initiative"."id"
jbe@436 147 ) AS "battle_view"
jbe@436 148 LEFT JOIN "battle"
jbe@436 149 ON "battle_view"."winning_initiative_id" = "battle"."winning_initiative_id"
jbe@436 150 AND "battle_view"."losing_initiative_id" = "battle"."losing_initiative_id"
jbe@436 151 WHERE "battle" ISNULL;
jbe@436 152
jbe@436 153 CREATE OR REPLACE FUNCTION "close_voting"("issue_id_p" "issue"."id"%TYPE)
jbe@436 154 RETURNS VOID
jbe@436 155 LANGUAGE 'plpgsql' VOLATILE AS $$
jbe@436 156 DECLARE
jbe@436 157 "area_id_v" "area"."id"%TYPE;
jbe@436 158 "unit_id_v" "unit"."id"%TYPE;
jbe@436 159 "member_id_v" "member"."id"%TYPE;
jbe@436 160 BEGIN
jbe@436 161 PERFORM "require_transaction_isolation"();
jbe@436 162 SELECT "area_id" INTO "area_id_v" FROM "issue" WHERE "id" = "issue_id_p";
jbe@436 163 SELECT "unit_id" INTO "unit_id_v" FROM "area" WHERE "id" = "area_id_v";
jbe@436 164 -- override protection triggers:
jbe@436 165 INSERT INTO "temporary_transaction_data" ("key", "value")
jbe@436 166 VALUES ('override_protection_triggers', TRUE::TEXT);
jbe@436 167 -- delete timestamp of voting comment:
jbe@436 168 UPDATE "direct_voter" SET "comment_changed" = NULL
jbe@436 169 WHERE "issue_id" = "issue_id_p";
jbe@436 170 -- delete delegating votes (in cases of manual reset of issue state):
jbe@436 171 DELETE FROM "delegating_voter"
jbe@436 172 WHERE "issue_id" = "issue_id_p";
jbe@436 173 -- delete votes from non-privileged voters:
jbe@436 174 DELETE FROM "direct_voter"
jbe@436 175 USING (
jbe@436 176 SELECT
jbe@436 177 "direct_voter"."member_id"
jbe@436 178 FROM "direct_voter"
jbe@436 179 JOIN "member" ON "direct_voter"."member_id" = "member"."id"
jbe@436 180 LEFT JOIN "privilege"
jbe@436 181 ON "privilege"."unit_id" = "unit_id_v"
jbe@436 182 AND "privilege"."member_id" = "direct_voter"."member_id"
jbe@436 183 WHERE "direct_voter"."issue_id" = "issue_id_p" AND (
jbe@436 184 "member"."active" = FALSE OR
jbe@436 185 "privilege"."voting_right" ISNULL OR
jbe@436 186 "privilege"."voting_right" = FALSE
jbe@436 187 )
jbe@436 188 ) AS "subquery"
jbe@436 189 WHERE "direct_voter"."issue_id" = "issue_id_p"
jbe@436 190 AND "direct_voter"."member_id" = "subquery"."member_id";
jbe@436 191 -- consider delegations:
jbe@436 192 UPDATE "direct_voter" SET "weight" = 1
jbe@436 193 WHERE "issue_id" = "issue_id_p";
jbe@436 194 PERFORM "add_vote_delegations"("issue_id_p");
jbe@436 195 -- mark first preferences:
jbe@436 196 UPDATE "vote" SET "first_preference" = "subquery"."first_preference"
jbe@436 197 FROM (
jbe@436 198 SELECT
jbe@436 199 "vote"."initiative_id",
jbe@436 200 "vote"."member_id",
jbe@436 201 CASE WHEN "vote"."grade" > 0 THEN
jbe@436 202 CASE WHEN "vote"."grade" = max("agg"."grade") THEN TRUE ELSE FALSE END
jbe@436 203 ELSE NULL
jbe@436 204 END AS "first_preference"
jbe@436 205 FROM "vote"
jbe@436 206 JOIN "initiative" -- NOTE: due to missing index on issue_id
jbe@436 207 ON "vote"."issue_id" = "initiative"."issue_id"
jbe@436 208 JOIN "vote" AS "agg"
jbe@436 209 ON "initiative"."id" = "agg"."initiative_id"
jbe@436 210 AND "vote"."member_id" = "agg"."member_id"
jbe@436 211 GROUP BY "vote"."initiative_id", "vote"."member_id", "vote"."grade"
jbe@436 212 ) AS "subquery"
jbe@436 213 WHERE "vote"."issue_id" = "issue_id_p"
jbe@436 214 AND "vote"."initiative_id" = "subquery"."initiative_id"
jbe@436 215 AND "vote"."member_id" = "subquery"."member_id";
jbe@436 216 -- finish overriding protection triggers (avoids garbage):
jbe@436 217 DELETE FROM "temporary_transaction_data"
jbe@436 218 WHERE "key" = 'override_protection_triggers';
jbe@436 219 -- materialize battle_view:
jbe@436 220 -- NOTE: "closed" column of issue must be set at this point
jbe@436 221 DELETE FROM "battle" WHERE "issue_id" = "issue_id_p";
jbe@436 222 INSERT INTO "battle" (
jbe@436 223 "issue_id",
jbe@436 224 "winning_initiative_id", "losing_initiative_id",
jbe@436 225 "count"
jbe@436 226 ) SELECT
jbe@436 227 "issue_id",
jbe@436 228 "winning_initiative_id", "losing_initiative_id",
jbe@436 229 "count"
jbe@436 230 FROM "battle_view" WHERE "issue_id" = "issue_id_p";
jbe@436 231 -- set voter count:
jbe@436 232 UPDATE "issue" SET
jbe@436 233 "voter_count" = (
jbe@436 234 SELECT coalesce(sum("weight"), 0)
jbe@436 235 FROM "direct_voter" WHERE "issue_id" = "issue_id_p"
jbe@436 236 )
jbe@436 237 WHERE "id" = "issue_id_p";
jbe@437 238 -- copy "positive_votes" and "negative_votes" from "battle" table:
jbe@437 239 -- NOTE: "first_preference_votes" is set to a default of 0 at this step
jbe@437 240 UPDATE "initiative" SET
jbe@437 241 "first_preference_votes" = 0,
jbe@437 242 "positive_votes" = "battle_win"."count",
jbe@437 243 "negative_votes" = "battle_lose"."count"
jbe@437 244 FROM "battle" AS "battle_win", "battle" AS "battle_lose"
jbe@437 245 WHERE
jbe@437 246 "battle_win"."issue_id" = "issue_id_p" AND
jbe@437 247 "battle_win"."winning_initiative_id" = "initiative"."id" AND
jbe@437 248 "battle_win"."losing_initiative_id" ISNULL AND
jbe@437 249 "battle_lose"."issue_id" = "issue_id_p" AND
jbe@437 250 "battle_lose"."losing_initiative_id" = "initiative"."id" AND
jbe@437 251 "battle_lose"."winning_initiative_id" ISNULL;
jbe@436 252 -- calculate "first_preference_votes":
jbe@437 253 -- NOTE: will only set values not equal to zero
jbe@437 254 UPDATE "initiative" SET "first_preference_votes" = "subquery"."sum"
jbe@436 255 FROM (
jbe@436 256 SELECT "vote"."initiative_id", sum("direct_voter"."weight")
jbe@436 257 FROM "vote" JOIN "direct_voter"
jbe@436 258 ON "vote"."issue_id" = "direct_voter"."issue_id"
jbe@436 259 AND "vote"."member_id" = "direct_voter"."member_id"
jbe@436 260 WHERE "vote"."first_preference"
jbe@436 261 GROUP BY "vote"."initiative_id"
jbe@436 262 ) AS "subquery"
jbe@436 263 WHERE "initiative"."issue_id" = "issue_id_p"
jbe@436 264 AND "initiative"."admitted"
jbe@436 265 AND "initiative"."id" = "subquery"."initiative_id";
jbe@436 266 END;
jbe@436 267 $$;
jbe@436 268
jbe@436 269 COMMIT;

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