DROP TABLE IF EXISTS product_meta; -- DROP SEQUENCE IF EXISTS product_meta_product_meta_id_seq; -- CREATE SEQUENCE product_meta_product_meta_id_seq; CREATE TABLE product_meta ( "product_id" int check ("product_id" > 0) NOT NULL, "namespace" varchar(32) NOT NULL DEFAULT '', "key" varchar(191) NOT NULL, "value" text DEFAULT NULL ); CREATE UNIQUE INDEX "product_meta_product_id" ON product_meta ("product_id","namespace","key"); -- SELECT setval('product_meta_product_meta_id_seq', 0, true); -- last inserted id by sample data