update pm storage

BEGIN
    #Routine body goes here...
INSERT INTO EMS_PM_STORAGE (
    AMOID,
    GP_BEGIN_TIME,
    EMS_RECORD_TIME,
    ZDC_L_LODA
) SELECT
    epl.AMOID,
    epl.GP_BEGIN_TIME,
    TIMESTAMPDIFF(
        MINUTE,
        epl.GP_BEGIN_TIME,
        MAX(epl.LOG_TIME)
    ) - 15 RECORD_TIME2,
    TIMESTAMPDIFF(
        MINUTE,
        epr.GP_BEGIN_TIME,
        MAX(epr.RECORD_TIME)
    ) - 15 ZDC_L_LODA
FROM
    EMS_PM_LOG epl,EMS_PM_REPORT epr
WHERE
    epl.AMOID=epr.AMOID AND epl.GP_BEGIN_TIME=epr.GP_BEGIN_TIME
GROUP BY
    epl.AMOID,
    epr.GP_BEGIN_TIME;

END