DROP TABLE IF EXISTS message; -- DROP SEQUENCE IF EXISTS message_seq; -- CREATE SEQUENCE message_seq; -- CREATE TABLE IF NOT EXISTS message ( CREATE TABLE message ( "message_id" int PRIMARY KEY GENERATED BY DEFAULT AS IDENTITY, -- SERIAL PRIMARY KEY "type" varchar(20) NOT NULL DEFAULT 'message', "data" text DEFAULT NULL, "meta" text DEFAULT NULL, "status" smallint NOT NULL DEFAULT 0, -- unread = 0, read = 1 "created_at" timestamp(0) NOT NULL DEFAULT now(), "updated_at" timestamp(0) NOT NULL DEFAULT now() -- PRIMARY KEY("message_id") ); DROP INDEX IF EXISTS "message_type_status_date"; CREATE INDEX "message_type_status_date" ON message ("type","created_at","message_id"); -- SELECT setval('message_message_id_seq', 0, true); -- last inserted id by sample data