CREATE SEQUENCE "messages_id_seq"; CREATE TABLE "messages" ( "id" integer DEFAULT nextval('"messages_id_seq"') NOT NULL, "to" varchar(128) DEFAULT '' NOT NULL, "from" varchar(128) DEFAULT '' NOT NULL, "message" text NOT NULL, "incoming" character(1) ); CREATE UNIQUE INDEX "messages_id_key" on "messages" using btree ( "id" "int4_ops" );