1.1 --- a/core.sql	Sun Aug 19 18:31:57 2012 +0200
     1.2 +++ b/core.sql	Sun Aug 19 19:04:22 2012 +0200
     1.3 @@ -1510,6 +1510,44 @@
     1.4  COMMENT ON TRIGGER "last_opinion_deletes_suggestion" ON "opinion" IS 'Removing the last opinion of a suggestion deletes the suggestion';
     1.5  
     1.6  
     1.7 +CREATE FUNCTION "non_voter_deletes_direct_voter_trigger"()
     1.8 +  RETURNS TRIGGER
     1.9 +  LANGUAGE 'plpgsql' VOLATILE AS $$
    1.10 +    BEGIN
    1.11 +      DELETE FROM "direct_voter"
    1.12 +        WHERE "issue_id" = NEW."issue_id" AND "member_id" = NEW."member_id";
    1.13 +      RETURN NULL;
    1.14 +    END;
    1.15 +  $$;
    1.16 +
    1.17 +CREATE TRIGGER "non_voter_deletes_direct_voter"
    1.18 +  AFTER INSERT OR UPDATE ON "non_voter"
    1.19 +  FOR EACH ROW EXECUTE PROCEDURE
    1.20 +  "non_voter_deletes_direct_voter_trigger"();
    1.21 +
    1.22 +COMMENT ON FUNCTION "non_voter_deletes_direct_voter_trigger"()     IS 'Implementation of trigger "non_voter_deletes_direct_voter" on table "non_voter"';
    1.23 +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")';
    1.24 +
    1.25 +
    1.26 +CREATE FUNCTION "direct_voter_deletes_non_voter_trigger"()
    1.27 +  RETURNS TRIGGER
    1.28 +  LANGUAGE 'plpgsql' VOLATILE AS $$
    1.29 +    BEGIN
    1.30 +      DELETE FROM "non_voter"
    1.31 +        WHERE "issue_id" = NEW."issue_id" AND "member_id" = NEW."member_id";
    1.32 +      RETURN NULL;
    1.33 +    END;
    1.34 +  $$;
    1.35 +
    1.36 +CREATE TRIGGER "direct_voter_deletes_non_voter"
    1.37 +  AFTER INSERT OR UPDATE ON "direct_voter"
    1.38 +  FOR EACH ROW EXECUTE PROCEDURE
    1.39 +  "direct_voter_deletes_non_voter_trigger"();
    1.40 +
    1.41 +COMMENT ON FUNCTION "direct_voter_deletes_non_voter_trigger"()        IS 'Implementation of trigger "direct_voter_deletes_non_voter" on table "direct_voter"';
    1.42 +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")';
    1.43 +
    1.44 +
    1.45  
    1.46  ---------------------------------------------------------------
    1.47  -- Ensure that votes are not modified when issues are frozen --