CREATE EXTENSION IF NOT EXISTS pg_trgm; CREATE INDEX IF NOT EXISTS idx_comment_content_trigram ON comment USING gin (content gin_trgm_ops); CREATE INDEX IF NOT EXISTS idx_post_trigram ON post USING gin (name gin_trgm_ops, body gin_trgm_ops); CREATE INDEX IF NOT EXISTS idx_person_trigram ON person USING gin (name gin_trgm_ops, display_name gin_trgm_ops); CREATE INDEX IF NOT EXISTS idx_community_trigram ON community USING gin (name gin_trgm_ops, title gin_trgm_ops);