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Update replaceable_schema.sql
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1 changed files with 37 additions and 9 deletions
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@ -21,29 +21,57 @@ CREATE SCHEMA r;
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-- These triggers create and update rows in each aggregates table to match its associated table's rows.
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-- These triggers create and update rows in each aggregates table to match its associated table's rows.
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-- Deleting rows and updating IDs are already handled by `CASCADE` in foreign key constraints.
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-- Deleting rows and updating IDs are already handled by `CASCADE` in foreign key constraints.
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CREATE FUNCTION r.upsert_community_aggregates_from_community () RETURNS trigger
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CREATE FUNCTION r.community_aggregates_from_community () RETURNS trigger
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LANGUAGE plpgsql
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LANGUAGE plpgsql
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AS $$
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AS $$
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BEGIN
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BEGIN
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INSERT INTO
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INSERT INTO community_aggregates (community_id, published)
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community_aggregates (community_id, published)
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SELECT
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SELECT
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community_id,
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community_id,
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published
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published
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FROM
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FROM
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new_community
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new_community;
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ON CONFLICT DO UPDATE SET
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published = excluded.published;
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RETURN NULL;
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RETURN NULL;
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END
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END
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$$;
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$$;
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CREATE TRIGGER upsert_aggregates
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CREATE TRIGGER aggregates
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AFTER INSERT OR UPDATE OF published ON community
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AFTER INSERT ON community
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REFERENCING NEW TABLE AS new_community
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REFERENCING NEW TABLE AS new_community
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FOR EACH STATEMENT
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FOR EACH STATEMENT
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EXECUTE FUNCTION r.upsert_community_aggregates_from_community;
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EXECUTE FUNCTION r.community_aggregates_from_community ();
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CREATE FUNCTION r.post_aggregates_from_post () RETURNS trigger
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LANGUAGE plpgsql
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AS $$
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BEGIN
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INSERT INTO post_aggregates (post_id, published, newest_comment_time, newest_comment_time_necro, community_id, creator_id, instance_id, featured_community, featured_local)
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SELECT
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id,
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published,
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published,
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published,
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community_id,
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creator_id,
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(SELECT community.instance_id FROM community WHERE community.id = community_id LIMIT 1),
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featured_community,
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featured_local
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FROM
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new_post
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ON CONFLICT DO UPDATE SET
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featured_community = excluded.featured_community,
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featured_local = excluded.featured_local;
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RETURN NULL;
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END
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$$;
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CREATE TRIGGER aggregates
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AFTER INSERT OR UPDATE OF featured_community, featured_local ON post
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REFERENCING NEW TABLE AS new_post
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FOR EACH STATEMENT
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EXECUTE FUNCTION r.post_aggregates_from_post ();
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COMMIT;
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COMMIT;
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