PostgreSQL存储过程简单示例

PostgreSQL存储过程简单示例。删除3个月以前的数据，由定时调度任务定时调度。

CREATE OR REPLACE FUNCTION delete_ebd_compute_log_three_month_ago_data()
  RETURNS void AS
$BODY$
begin
delete from ebd_compute_log where create_time < CURRENT_TIMESTAMP(0) :: TIMESTAMP WITHOUT TIME ZONE - interval '3 months';
END;
$BODY$
LANGUAGE plpgsql VOLATILE;
GRANT EXECUTE ON FUNCTION delete_ebd_compute_log_three_month_ago_data() TO public;