postgresql 创建设id自增
CREATE SEQUENCE "public"."pz_chsi_area_id_seq" START WITH 1 INCREMENT BY 1 NO MINVALUE NO MAXVALUE CACHE 1;
DROP TABLE IF EXISTS "public"."pz_chsi_area";
CREATE TABLE "public"."pz_chsi_area" (
"id" int4 NOT NULL DEFAULT nextval('pz_chsi_area_id_seq'::regclass),
"dm" varchar(50) COLLATE "pg_catalog"."default",
"mc" varchar(100) COLLATE "pg_catalog"."default"
);
