diff --git a/replaceable_schema.sql b/replaceable_schema.sql new file mode 100644 index 000000000..cffbca557 --- /dev/null +++ b/replaceable_schema.sql @@ -0,0 +1,841 @@ +-- This sets up the `r` schema, which can be safely dropped and replaced. +-- +-- Statements in this file may only affect the `r` schema (indicated by the `r.` prefix), with these exceptions: +-- * Triggers that specify a function in the `r` schema after `EXECUTE FUNCTION` + +BEGIN; + +DROP SCHEMA IF EXISTS r CASCADE; + + + +-- + +CREATE FUNCTION comment_aggregates_comment() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + IF (TG_OP = 'INSERT') THEN + INSERT INTO comment_aggregates (comment_id, published) + VALUES (NEW.id, NEW.published); + ELSIF (TG_OP = 'DELETE') THEN + DELETE FROM comment_aggregates + WHERE comment_id = OLD.id; + END IF; + RETURN NULL; +END +$$; + +CREATE FUNCTION comment_aggregates_score() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + IF (TG_OP = 'INSERT') THEN + UPDATE + comment_aggregates ca + SET + score = score + NEW.score, + upvotes = CASE WHEN NEW.score = 1 THEN + upvotes + 1 + ELSE + upvotes + END, + downvotes = CASE WHEN NEW.score = - 1 THEN + downvotes + 1 + ELSE + downvotes + END, + controversy_rank = controversy_rank (ca.upvotes + CASE WHEN NEW.score = 1 THEN + 1 + ELSE + 0 + END::numeric, ca.downvotes + CASE WHEN NEW.score = - 1 THEN + 1 + ELSE + 0 + END::numeric) + WHERE + ca.comment_id = NEW.comment_id; + ELSIF (TG_OP = 'DELETE') THEN + -- Join to comment because that comment may not exist anymore + UPDATE + comment_aggregates ca + SET + score = score - OLD.score, + upvotes = CASE WHEN OLD.score = 1 THEN + upvotes - 1 + ELSE + upvotes + END, + downvotes = CASE WHEN OLD.score = - 1 THEN + downvotes - 1 + ELSE + downvotes + END, + controversy_rank = controversy_rank (ca.upvotes + CASE WHEN NEW.score = 1 THEN + 1 + ELSE + 0 + END::numeric, ca.downvotes + CASE WHEN NEW.score = - 1 THEN + 1 + ELSE + 0 + END::numeric) + FROM + comment c + WHERE + ca.comment_id = c.id + AND ca.comment_id = OLD.comment_id; + END IF; + RETURN NULL; +END +$$; + +CREATE FUNCTION comment_removed_resolve_reports() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + UPDATE + comment_report + SET + resolved = TRUE, + resolver_id = NEW.mod_person_id, + updated = now() + WHERE + comment_report.comment_id = NEW.comment_id; + RETURN NULL; +END +$$; + +CREATE FUNCTION community_aggregates_comment_count() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + IF (was_restored_or_created (TG_OP, OLD, NEW)) THEN + UPDATE + community_aggregates ca + SET + comments = comments + 1 + FROM + post p + WHERE + p.id = NEW.post_id + AND ca.community_id = p.community_id; + ELSIF (was_removed_or_deleted (TG_OP, OLD, NEW)) THEN + UPDATE + community_aggregates ca + SET + comments = comments - 1 + FROM + post p + WHERE + p.id = OLD.post_id + AND ca.community_id = p.community_id; + END IF; + RETURN NULL; +END +$$; + +CREATE FUNCTION community_aggregates_community() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + IF (TG_OP = 'INSERT') THEN + INSERT INTO community_aggregates (community_id, published) + VALUES (NEW.id, NEW.published); + ELSIF (TG_OP = 'DELETE') THEN + DELETE FROM community_aggregates + WHERE community_id = OLD.id; + END IF; + RETURN NULL; +END +$$; + +CREATE FUNCTION community_aggregates_post_count() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + IF (was_restored_or_created (TG_OP, OLD, NEW)) THEN + UPDATE + community_aggregates + SET + posts = posts + 1 + WHERE + community_id = NEW.community_id; + IF (TG_OP = 'UPDATE') THEN + -- Post was restored, so restore comment counts as well + UPDATE + community_aggregates ca + SET + posts = coalesce(cd.posts, 0), + comments = coalesce(cd.comments, 0) + FROM ( + SELECT + c.id, + count(DISTINCT p.id) AS posts, + count(DISTINCT ct.id) AS comments + FROM + community c + LEFT JOIN post p ON c.id = p.community_id + AND p.deleted = 'f' + AND p.removed = 'f' + LEFT JOIN comment ct ON p.id = ct.post_id + AND ct.deleted = 'f' + AND ct.removed = 'f' + WHERE + c.id = NEW.community_id + GROUP BY + c.id) cd + WHERE + ca.community_id = NEW.community_id; + END IF; + ELSIF (was_removed_or_deleted (TG_OP, OLD, NEW)) THEN + UPDATE + community_aggregates + SET + posts = posts - 1 + WHERE + community_id = OLD.community_id; + -- Update the counts if the post got deleted + UPDATE + community_aggregates ca + SET + posts = coalesce(cd.posts, 0), + comments = coalesce(cd.comments, 0) + FROM ( + SELECT + c.id, + count(DISTINCT p.id) AS posts, + count(DISTINCT ct.id) AS comments + FROM + community c + LEFT JOIN post p ON c.id = p.community_id + AND p.deleted = 'f' + AND p.removed = 'f' + LEFT JOIN comment ct ON p.id = ct.post_id + AND ct.deleted = 'f' + AND ct.removed = 'f' + WHERE + c.id = OLD.community_id + GROUP BY + c.id) cd + WHERE + ca.community_id = OLD.community_id; + END IF; + RETURN NULL; +END +$$; + +CREATE FUNCTION community_aggregates_post_count_insert() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + UPDATE community_aggregates + SET posts = posts + post_group.count + FROM (SELECT community_id, count(*) FROM new_post GROUP BY community_id) post_group + WHERE community_aggregates.community_id = post_group.community_id; + RETURN NULL; +END +$$; + +CREATE FUNCTION community_aggregates_subscriber_count() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + IF (TG_OP = 'INSERT') THEN + UPDATE + community_aggregates + SET + subscribers = subscribers + 1 + FROM + community + WHERE + community.id = community_id + AND community.local + AND community_id = NEW.community_id; + ELSIF (TG_OP = 'DELETE') THEN + UPDATE + community_aggregates + SET + subscribers = subscribers - 1 + FROM + community + WHERE + community.id = community_id + AND community.local + AND community_id = OLD.community_id; + END IF; + RETURN NULL; +END +$$; + +CREATE FUNCTION person_aggregates_comment_count() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + IF (was_restored_or_created (TG_OP, OLD, NEW)) THEN + UPDATE + person_aggregates + SET + comment_count = comment_count + 1 + WHERE + person_id = NEW.creator_id; + ELSIF (was_removed_or_deleted (TG_OP, OLD, NEW)) THEN + UPDATE + person_aggregates + SET + comment_count = comment_count - 1 + WHERE + person_id = OLD.creator_id; + END IF; + RETURN NULL; +END +$$; + +CREATE FUNCTION person_aggregates_comment_score() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + IF (TG_OP = 'INSERT') THEN + -- Need to get the post creator, not the voter + UPDATE + person_aggregates ua + SET + comment_score = comment_score + NEW.score + FROM + comment c + WHERE + ua.person_id = c.creator_id + AND c.id = NEW.comment_id; + ELSIF (TG_OP = 'DELETE') THEN + UPDATE + person_aggregates ua + SET + comment_score = comment_score - OLD.score + FROM + comment c + WHERE + ua.person_id = c.creator_id + AND c.id = OLD.comment_id; + END IF; + RETURN NULL; +END +$$; + +CREATE FUNCTION person_aggregates_person() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + IF (TG_OP = 'INSERT') THEN + INSERT INTO person_aggregates (person_id) + VALUES (NEW.id); + ELSIF (TG_OP = 'DELETE') THEN + DELETE FROM person_aggregates + WHERE person_id = OLD.id; + END IF; + RETURN NULL; +END +$$; + +CREATE FUNCTION person_aggregates_post_count() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + IF (was_restored_or_created (TG_OP, OLD, NEW)) THEN + UPDATE + person_aggregates + SET + post_count = post_count + 1 + WHERE + person_id = NEW.creator_id; + ELSIF (was_removed_or_deleted (TG_OP, OLD, NEW)) THEN + UPDATE + person_aggregates + SET + post_count = post_count - 1 + WHERE + person_id = OLD.creator_id; + END IF; + RETURN NULL; +END +$$; + +CREATE FUNCTION person_aggregates_post_insert() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + UPDATE person_aggregates + SET post_count = post_count + post_group.count + FROM (SELECT creator_id, count(*) FROM new_post GROUP BY creator_id) post_group + WHERE person_aggregates.person_id = post_group.creator_id; + RETURN NULL; +END +$$; + +CREATE FUNCTION person_aggregates_post_score() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + IF (TG_OP = 'INSERT') THEN + -- Need to get the post creator, not the voter + UPDATE + person_aggregates ua + SET + post_score = post_score + NEW.score + FROM + post p + WHERE + ua.person_id = p.creator_id + AND p.id = NEW.post_id; + ELSIF (TG_OP = 'DELETE') THEN + UPDATE + person_aggregates ua + SET + post_score = post_score - OLD.score + FROM + post p + WHERE + ua.person_id = p.creator_id + AND p.id = OLD.post_id; + END IF; + RETURN NULL; +END +$$; + +CREATE FUNCTION post_aggregates_comment_count() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + -- Check for post existence - it may not exist anymore + IF TG_OP = 'INSERT' OR EXISTS ( + SELECT + 1 + FROM + post p + WHERE + p.id = OLD.post_id) THEN + IF (was_restored_or_created (TG_OP, OLD, NEW)) THEN + UPDATE + post_aggregates pa + SET + comments = comments + 1 + WHERE + pa.post_id = NEW.post_id; + ELSIF (was_removed_or_deleted (TG_OP, OLD, NEW)) THEN + UPDATE + post_aggregates pa + SET + comments = comments - 1 + WHERE + pa.post_id = OLD.post_id; + END IF; + END IF; + IF TG_OP = 'INSERT' THEN + UPDATE + post_aggregates pa + SET + newest_comment_time = NEW.published + WHERE + pa.post_id = NEW.post_id; + -- A 2 day necro-bump limit + UPDATE + post_aggregates pa + SET + newest_comment_time_necro = NEW.published + FROM + post p + WHERE + pa.post_id = p.id + AND pa.post_id = NEW.post_id + -- Fix issue with being able to necro-bump your own post + AND NEW.creator_id != p.creator_id + AND pa.published > ('now'::timestamp - '2 days'::interval); + END IF; + RETURN NULL; +END +$$; + +CREATE FUNCTION post_aggregates_featured_community() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + UPDATE + post_aggregates pa + SET + featured_community = NEW.featured_community + WHERE + pa.post_id = NEW.id; + RETURN NULL; +END +$$; + +CREATE FUNCTION post_aggregates_featured_local() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + UPDATE + post_aggregates pa + SET + featured_local = NEW.featured_local + WHERE + pa.post_id = NEW.id; + RETURN NULL; +END +$$; + +CREATE FUNCTION post_aggregates_post() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + INSERT INTO post_aggregates (post_id, published, newest_comment_time, newest_comment_time_necro, community_id, creator_id, instance_id) + SELECT + id, + published, + published, + published, + community_id, + creator_id, + (SELECT community.instance_id FROM community WHERE community.id = community_id LIMIT 1) + FROM + new_post; + RETURN NULL; +END +$$; + +CREATE FUNCTION post_aggregates_score() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + IF (TG_OP = 'INSERT') THEN + UPDATE + post_aggregates pa + SET + score = score + NEW.score, + upvotes = CASE WHEN NEW.score = 1 THEN + upvotes + 1 + ELSE + upvotes + END, + downvotes = CASE WHEN NEW.score = - 1 THEN + downvotes + 1 + ELSE + downvotes + END, + controversy_rank = controversy_rank (pa.upvotes + CASE WHEN NEW.score = 1 THEN + 1 + ELSE + 0 + END::numeric, pa.downvotes + CASE WHEN NEW.score = - 1 THEN + 1 + ELSE + 0 + END::numeric) + WHERE + pa.post_id = NEW.post_id; + ELSIF (TG_OP = 'DELETE') THEN + -- Join to post because that post may not exist anymore + UPDATE + post_aggregates pa + SET + score = score - OLD.score, + upvotes = CASE WHEN OLD.score = 1 THEN + upvotes - 1 + ELSE + upvotes + END, + downvotes = CASE WHEN OLD.score = - 1 THEN + downvotes - 1 + ELSE + downvotes + END, + controversy_rank = controversy_rank (pa.upvotes + CASE WHEN NEW.score = 1 THEN + 1 + ELSE + 0 + END::numeric, pa.downvotes + CASE WHEN NEW.score = - 1 THEN + 1 + ELSE + 0 + END::numeric) + FROM + post p + WHERE + pa.post_id = p.id + AND pa.post_id = OLD.post_id; + END IF; + RETURN NULL; +END +$$; + +CREATE FUNCTION post_removed_resolve_reports() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + UPDATE + post_report + SET + resolved = TRUE, + resolver_id = NEW.mod_person_id, + updated = now() + WHERE + post_report.post_id = NEW.post_id; + RETURN NULL; +END +$$; + +CREATE FUNCTION site_aggregates_comment_delete() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + IF (was_removed_or_deleted (TG_OP, OLD, NEW)) THEN + UPDATE + site_aggregates sa + SET + comments = comments - 1 + FROM + site s + WHERE + sa.site_id = s.id; + END IF; + RETURN NULL; +END +$$; + +CREATE FUNCTION site_aggregates_comment_insert() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + IF (was_restored_or_created (TG_OP, OLD, NEW)) THEN + UPDATE + site_aggregates sa + SET + comments = comments + 1 + FROM + site s + WHERE + sa.site_id = s.id; + END IF; + RETURN NULL; +END +$$; + +CREATE FUNCTION site_aggregates_community_insert() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + IF (was_restored_or_created (TG_OP, OLD, NEW)) THEN + UPDATE + site_aggregates sa + SET + communities = communities + 1 + FROM + site s + WHERE + sa.site_id = s.id; + END IF; + RETURN NULL; +END +$$; + +CREATE FUNCTION site_aggregates_person_delete() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + -- Join to site since the creator might not be there anymore + UPDATE + site_aggregates sa + SET + users = users - 1 + FROM + site s + WHERE + sa.site_id = s.id; + RETURN NULL; +END +$$; + +CREATE FUNCTION site_aggregates_person_insert() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + UPDATE + site_aggregates + SET + users = users + 1; + RETURN NULL; +END +$$; + +CREATE FUNCTION site_aggregates_post_delete() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + IF (was_removed_or_deleted (TG_OP, OLD, NEW)) THEN + UPDATE + site_aggregates sa + SET + posts = posts - 1 + FROM + site s + WHERE + sa.site_id = s.id; + END IF; + RETURN NULL; +END +$$; + +CREATE FUNCTION site_aggregates_post_insert() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + UPDATE + site_aggregates sa + SET + posts = posts + (SELECT count(*) FROM new_post) + FROM + site s + WHERE + sa.site_id = s.id; + RETURN NULL; +END +$$; + +CREATE FUNCTION site_aggregates_post_update() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + IF (was_restored_or_created (TG_OP, OLD, NEW)) THEN + UPDATE + site_aggregates sa + SET + posts = posts + 1 + FROM + site s + WHERE + sa.site_id = s.id; + END IF; + RETURN NULL; +END +$$; + +CREATE FUNCTION site_aggregates_site() RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + -- we only ever want to have a single value in site_aggregate because the site_aggregate triggers update all rows in that table. + -- a cleaner check would be to insert it for the local_site but that would break assumptions at least in the tests + IF (TG_OP = 'INSERT') AND NOT EXISTS ( + SELECT + * + FROM + site_aggregates + LIMIT 1) THEN + INSERT INTO site_aggregates (site_id) + VALUES (NEW.id); + ELSIF (TG_OP = 'DELETE') THEN + DELETE FROM site_aggregates + WHERE site_id = OLD.id; + END IF; + RETURN NULL; +END +$$; + +CREATE FUNCTION was_removed_or_deleted(tg_op text, old record, new record) RETURNS boolean + LANGUAGE plpgsql + AS $$ +BEGIN + IF (TG_OP = 'INSERT') THEN + RETURN FALSE; + END IF; + IF (TG_OP = 'DELETE' AND OLD.deleted = 'f' AND OLD.removed = 'f') THEN + RETURN TRUE; + END IF; + RETURN TG_OP = 'UPDATE' + AND OLD.deleted = 'f' + AND OLD.removed = 'f' + AND (NEW.deleted = 't' + OR NEW.removed = 't'); +END +$$; + +CREATE FUNCTION was_restored_or_created(tg_op text, old record, new record) RETURNS boolean + LANGUAGE plpgsql + AS $$ +BEGIN + IF (TG_OP = 'DELETE') THEN + RETURN FALSE; + END IF; + IF (TG_OP = 'INSERT') THEN + RETURN TRUE; + END IF; + RETURN TG_OP = 'UPDATE' + AND NEW.deleted = 'f' + AND NEW.removed = 'f' + AND (OLD.deleted = 't' + OR OLD.removed = 't'); +END +$$; + +CREATE TRIGGER comment_aggregates_comment AFTER INSERT OR DELETE ON comment FOR EACH ROW EXECUTE FUNCTION comment_aggregates_comment(); + +CREATE TRIGGER comment_aggregates_score AFTER INSERT OR DELETE ON comment_like FOR EACH ROW EXECUTE FUNCTION comment_aggregates_score(); + +CREATE TRIGGER comment_removed_resolve_reports AFTER INSERT ON mod_remove_comment FOR EACH ROW WHEN (new.removed) EXECUTE FUNCTION comment_removed_resolve_reports(); + +CREATE TRIGGER community_aggregates_comment_count AFTER INSERT OR DELETE OR UPDATE OF removed, deleted ON comment FOR EACH ROW EXECUTE FUNCTION community_aggregates_comment_count(); + +CREATE TRIGGER community_aggregates_community AFTER INSERT OR DELETE ON community FOR EACH ROW EXECUTE FUNCTION community_aggregates_community(); + +CREATE TRIGGER community_aggregates_post_count AFTER DELETE OR UPDATE OF removed, deleted ON post FOR EACH ROW EXECUTE FUNCTION community_aggregates_post_count(); + +CREATE TRIGGER community_aggregates_post_count_insert AFTER INSERT ON post REFERENCING NEW TABLE AS new_post FOR EACH STATEMENT EXECUTE FUNCTION community_aggregates_post_count_insert(); + +CREATE TRIGGER community_aggregates_subscriber_count AFTER INSERT OR DELETE ON community_follower FOR EACH ROW EXECUTE FUNCTION community_aggregates_subscriber_count(); + +CREATE TRIGGER person_aggregates_comment_count AFTER INSERT OR DELETE OR UPDATE OF removed, deleted ON comment FOR EACH ROW EXECUTE FUNCTION person_aggregates_comment_count(); + +CREATE TRIGGER person_aggregates_comment_score AFTER INSERT OR DELETE ON comment_like FOR EACH ROW EXECUTE FUNCTION person_aggregates_comment_score(); + +CREATE TRIGGER person_aggregates_person AFTER INSERT OR DELETE ON person FOR EACH ROW EXECUTE FUNCTION person_aggregates_person(); + +CREATE TRIGGER person_aggregates_post_count AFTER DELETE OR UPDATE OF removed, deleted ON post FOR EACH ROW EXECUTE FUNCTION person_aggregates_post_count(); + +CREATE TRIGGER person_aggregates_post_insert AFTER INSERT ON post REFERENCING NEW TABLE AS new_post FOR EACH STATEMENT EXECUTE FUNCTION person_aggregates_post_insert(); + +CREATE TRIGGER person_aggregates_post_score AFTER INSERT OR DELETE ON post_like FOR EACH ROW EXECUTE FUNCTION person_aggregates_post_score(); + +CREATE TRIGGER post_aggregates_comment_count AFTER INSERT OR DELETE OR UPDATE OF removed, deleted ON comment FOR EACH ROW EXECUTE FUNCTION post_aggregates_comment_count(); + +CREATE TRIGGER post_aggregates_featured_community AFTER UPDATE ON post FOR EACH ROW WHEN ((old.featured_community IS DISTINCT FROM new.featured_community)) EXECUTE FUNCTION post_aggregates_featured_community(); + +CREATE TRIGGER post_aggregates_featured_local AFTER UPDATE ON post FOR EACH ROW WHEN ((old.featured_local IS DISTINCT FROM new.featured_local)) EXECUTE FUNCTION post_aggregates_featured_local(); + +CREATE TRIGGER post_aggregates_post AFTER INSERT ON post REFERENCING NEW TABLE AS new_post FOR EACH STATEMENT EXECUTE FUNCTION post_aggregates_post(); + +CREATE TRIGGER post_aggregates_score AFTER INSERT OR DELETE ON post_like FOR EACH ROW EXECUTE FUNCTION post_aggregates_score(); + +CREATE TRIGGER post_removed_resolve_reports AFTER INSERT ON mod_remove_post FOR EACH ROW WHEN (new.removed) EXECUTE FUNCTION post_removed_resolve_reports(); + +CREATE TRIGGER site_aggregates_comment_delete AFTER DELETE OR UPDATE OF removed, deleted ON comment FOR EACH ROW WHEN ((old.local = true)) EXECUTE FUNCTION site_aggregates_comment_delete(); + +CREATE TRIGGER site_aggregates_comment_insert AFTER INSERT OR UPDATE OF removed, deleted ON comment FOR EACH ROW WHEN ((new.local = true)) EXECUTE FUNCTION site_aggregates_comment_insert(); + +CREATE TRIGGER site_aggregates_community_insert AFTER INSERT OR UPDATE OF removed, deleted ON community FOR EACH ROW WHEN ((new.local = true)) EXECUTE FUNCTION site_aggregates_community_insert(); + +CREATE TRIGGER site_aggregates_person_delete AFTER DELETE ON person FOR EACH ROW WHEN ((old.local = true)) EXECUTE FUNCTION site_aggregates_person_delete(); + +CREATE TRIGGER site_aggregates_person_insert AFTER INSERT ON person FOR EACH ROW WHEN ((new.local = true)) EXECUTE FUNCTION site_aggregates_person_insert(); + +CREATE TRIGGER site_aggregates_post_delete AFTER DELETE OR UPDATE OF removed, deleted ON post FOR EACH ROW WHEN ((old.local = true)) EXECUTE FUNCTION site_aggregates_post_delete(); + +CREATE TRIGGER site_aggregates_post_insert AFTER INSERT ON post REFERENCING NEW TABLE AS new_post FOR EACH STATEMENT EXECUTE FUNCTION site_aggregates_post_insert(); + + + +CREATE TRIGGER site_aggregates_post_update AFTER UPDATE OF removed, deleted ON post FOR EACH ROW WHEN ((new.local = true)) EXECUTE FUNCTION site_aggregates_post_update(); + + +CREATE TRIGGER site_aggregates_site AFTER INSERT OR DELETE ON site FOR EACH ROW EXECUTE FUNCTION site_aggregates_site(); + +COMMIT; +