pg的function的编写

语法

CREATE OR REPLACE FUNCTION public.em_quick_query(
    IN userid character varying,IN orgid character varying)
  RETURNS TABLE(id bigint,parent_id bigint) AS
$BODY$
BEGIN
    RETURN QUERY EXECUTE 
    'select id,parent_id from ... where xx = ' || id || ' and ...' ;
END;
$BODY$
  LANGUAGE plpgsql VOLATILE
  COST 100
  ROWS 1000;
ALTER FUNCTION public.em_quick_query(character varying,character varying)
  OWNER TO myuser;

调用

select * from em_quick_query(201,10)