1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/update/core-update.v2.2.1-v2.2.2.sql	Fri Mar 22 22:37:59 2013 +0100
     1.3 @@ -0,0 +1,142 @@
     1.4 +BEGIN;
     1.5 +
     1.6 +CREATE OR REPLACE VIEW "liquid_feedback_version" AS
     1.7 +  SELECT * FROM (VALUES ('2.2.2', 2, 2, 2))
     1.8 +  AS "subquery"("string", "major", "minor", "revision");
     1.9 +
    1.10 +CREATE TABLE "internal_session_store" (
    1.11 +        PRIMARY KEY ("backend_pid", "key"),
    1.12 +        "backend_pid"           INT4,
    1.13 +        "key"                   TEXT,
    1.14 +        "value"                 TEXT            NOT NULL );
    1.15 +
    1.16 +COMMENT ON TABLE "internal_session_store" IS 'Table to store session variables; shall be emptied before a transaction is committed';
    1.17 +
    1.18 +COMMENT ON COLUMN "internal_session_store"."backend_pid" IS 'Value returned by function pg_backend_pid()';
    1.19 +
    1.20 +CREATE OR REPLACE FUNCTION "forbid_changes_on_closed_issue_trigger"()
    1.21 +  RETURNS TRIGGER
    1.22 +  LANGUAGE 'plpgsql' VOLATILE AS $$
    1.23 +    DECLARE
    1.24 +      "issue_id_v" "issue"."id"%TYPE;
    1.25 +      "issue_row"  "issue"%ROWTYPE;
    1.26 +    BEGIN
    1.27 +      IF EXISTS (
    1.28 +        SELECT NULL FROM "internal_session_store"
    1.29 +        WHERE "backend_pid" = pg_backend_pid()
    1.30 +        AND "key" = 'override_protection_triggers'
    1.31 +        AND "value" = TRUE::TEXT
    1.32 +      ) THEN
    1.33 +        RETURN NULL;
    1.34 +      END IF;
    1.35 +      IF TG_OP = 'DELETE' THEN
    1.36 +        "issue_id_v" := OLD."issue_id";
    1.37 +      ELSE
    1.38 +        "issue_id_v" := NEW."issue_id";
    1.39 +      END IF;
    1.40 +      SELECT INTO "issue_row" * FROM "issue"
    1.41 +        WHERE "id" = "issue_id_v" FOR SHARE;
    1.42 +      IF (
    1.43 +        "issue_row"."closed" NOTNULL OR (
    1.44 +          "issue_row"."state" = 'voting' AND
    1.45 +          "issue_row"."phase_finished" NOTNULL
    1.46 +        )
    1.47 +      ) THEN
    1.48 +        IF
    1.49 +          TG_RELID = 'direct_voter'::regclass AND
    1.50 +          TG_OP = 'UPDATE'
    1.51 +        THEN
    1.52 +          IF
    1.53 +            OLD."issue_id"  = NEW."issue_id"  AND
    1.54 +            OLD."member_id" = NEW."member_id" AND
    1.55 +            OLD."weight" = NEW."weight"
    1.56 +          THEN
    1.57 +            RETURN NULL;  -- allows changing of voter comment
    1.58 +          END IF;
    1.59 +        END IF;
    1.60 +        RAISE EXCEPTION 'Tried to modify data after voting has been closed.';
    1.61 +      END IF;
    1.62 +      RETURN NULL;
    1.63 +    END;
    1.64 +  $$;
    1.65 +
    1.66 +CREATE OR REPLACE FUNCTION "close_voting"("issue_id_p" "issue"."id"%TYPE)
    1.67 +  RETURNS VOID
    1.68 +  LANGUAGE 'plpgsql' VOLATILE AS $$
    1.69 +    DECLARE
    1.70 +      "area_id_v"   "area"."id"%TYPE;
    1.71 +      "unit_id_v"   "unit"."id"%TYPE;
    1.72 +      "member_id_v" "member"."id"%TYPE;
    1.73 +    BEGIN
    1.74 +      PERFORM "require_transaction_isolation"();
    1.75 +      SELECT "area_id" INTO "area_id_v" FROM "issue" WHERE "id" = "issue_id_p";
    1.76 +      SELECT "unit_id" INTO "unit_id_v" FROM "area"  WHERE "id" = "area_id_v";
    1.77 +      -- override protection triggers:
    1.78 +      DELETE FROM "internal_session_store";
    1.79 +      INSERT INTO "internal_session_store" ("backend_pid", "key", "value")
    1.80 +        VALUES (pg_backend_pid(), 'override_protection_triggers', TRUE::TEXT);
    1.81 +      -- delete timestamp of voting comment:
    1.82 +      UPDATE "direct_voter" SET "comment_changed" = NULL
    1.83 +        WHERE "issue_id" = "issue_id_p";
    1.84 +      -- delete delegating votes (in cases of manual reset of issue state):
    1.85 +      DELETE FROM "delegating_voter"
    1.86 +        WHERE "issue_id" = "issue_id_p";
    1.87 +      -- delete votes from non-privileged voters:
    1.88 +      DELETE FROM "direct_voter"
    1.89 +        USING (
    1.90 +          SELECT
    1.91 +            "direct_voter"."member_id"
    1.92 +          FROM "direct_voter"
    1.93 +          JOIN "member" ON "direct_voter"."member_id" = "member"."id"
    1.94 +          LEFT JOIN "privilege"
    1.95 +          ON "privilege"."unit_id" = "unit_id_v"
    1.96 +          AND "privilege"."member_id" = "direct_voter"."member_id"
    1.97 +          WHERE "direct_voter"."issue_id" = "issue_id_p" AND (
    1.98 +            "member"."active" = FALSE OR
    1.99 +            "privilege"."voting_right" ISNULL OR
   1.100 +            "privilege"."voting_right" = FALSE
   1.101 +          )
   1.102 +        ) AS "subquery"
   1.103 +        WHERE "direct_voter"."issue_id" = "issue_id_p"
   1.104 +        AND "direct_voter"."member_id" = "subquery"."member_id";
   1.105 +      -- consider delegations:
   1.106 +      UPDATE "direct_voter" SET "weight" = 1
   1.107 +        WHERE "issue_id" = "issue_id_p";
   1.108 +      PERFORM "add_vote_delegations"("issue_id_p");
   1.109 +      -- finish overriding protection triggers (mandatory, as pids may be reused):
   1.110 +      DELETE FROM "internal_session_store";
   1.111 +      -- materialize battle_view:
   1.112 +      -- NOTE: "closed" column of issue must be set at this point
   1.113 +      DELETE FROM "battle" WHERE "issue_id" = "issue_id_p";
   1.114 +      INSERT INTO "battle" (
   1.115 +        "issue_id",
   1.116 +        "winning_initiative_id", "losing_initiative_id",
   1.117 +        "count"
   1.118 +      ) SELECT
   1.119 +        "issue_id",
   1.120 +        "winning_initiative_id", "losing_initiative_id",
   1.121 +        "count"
   1.122 +        FROM "battle_view" WHERE "issue_id" = "issue_id_p";
   1.123 +      -- set voter count:
   1.124 +      UPDATE "issue" SET
   1.125 +        "voter_count" = (
   1.126 +          SELECT coalesce(sum("weight"), 0)
   1.127 +          FROM "direct_voter" WHERE "issue_id" = "issue_id_p"
   1.128 +        )
   1.129 +        WHERE "id" = "issue_id_p";
   1.130 +      -- copy "positive_votes" and "negative_votes" from "battle" table:
   1.131 +      UPDATE "initiative" SET
   1.132 +        "positive_votes" = "battle_win"."count",
   1.133 +        "negative_votes" = "battle_lose"."count"
   1.134 +        FROM "battle" AS "battle_win", "battle" AS "battle_lose"
   1.135 +        WHERE
   1.136 +          "battle_win"."issue_id" = "issue_id_p" AND
   1.137 +          "battle_win"."winning_initiative_id" = "initiative"."id" AND
   1.138 +          "battle_win"."losing_initiative_id" ISNULL AND
   1.139 +          "battle_lose"."issue_id" = "issue_id_p" AND
   1.140 +          "battle_lose"."losing_initiative_id" = "initiative"."id" AND
   1.141 +          "battle_lose"."winning_initiative_id" ISNULL;
   1.142 +    END;
   1.143 +  $$;
   1.144 +
   1.145 +COMMIT;