pgsql存储函数简单使用

CREATE OR REPLACE FUNCTION "public"."generate_road_list_id_to_jcpddas"("road_code_param" varchar)
　　RETURNS "pg_catalog"."int4" AS $BODY$
declare returnvalue integer;
BEGIN
　　SELECT count(1) from road_lst rl left join road_jcpd_record rjr on rl.road_code = rjr.road_code where rl.road_code =road_code_param into returnvalue;
　　UPDATE road_jcpd_record set road_lst_id = (SELECT id from road_lst where road_code = road_code_param limit 1) where road_code = road_code_param ;
　　return returnvalue;
END$BODY$
　　LANGUAGE plpgsql VOLATILE
　　COST 100

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标签：存储,code,函数,param,pgsql,lst,returnvalue,id,road
来源： https://www.cnblogs.com/myself1012/p/16599769.html