10

Mysql イベントを使用して次のクエリを実行したいのですが、イベントに delete ステートメントを追加して作成しようとすると、Mysql エラーが発生します。削除ステートメントをスキップすることを選択した場合、イベントは問題なく作成されます。

INSERT INTO tbl_bookings_released
(
    id, row, seatnum, price,theatre_id, play_id, show_id, showtime, show_date, 
    isbooked, inserted_at, inserted_from, booking_num, tot_price, subzone_id, 
    zone_id, txn_id
)
SELECT 
    id, row, seatnum, price,theatre_id, play_id, show_id, showtime, 
    show_date, isbooked, inserted_at, inserted_from, booking_num, 
    tot_price, subzone_id, zone_id, txn_id
FROM tbl_bookings
WHERE (
    UNIX_TIMESTAMP( NOW( ) ) - UNIX_TIMESTAMP( inserted_at )
) /60 > 2
AND booking_num NOT
IN (
    SELECT booking_id
    FROM tbl_cust_booking
);

DELETE
FROM tbl_bookings
WHERE (
    UNIX_TIMESTAMP( NOW( ) ) - UNIX_TIMESTAMP( inserted_at )
) /60 > 2
AND booking_num NOT
IN (
    SELECT booking_id
    FROM tbl_cust_booking
);
4

3 に答える 3

18

イベントに対して複数のクエリを実行するドキュメントから変更された例を次に示します。

delimiter |

CREATE EVENT e_daily
    ON SCHEDULE
      EVERY 1 DAY
    COMMENT 'Saves total number of sessions then clears the table each day'
    DO
      BEGIN
    INSERT INTO tbl_bookings_released
    (
        id, row, seatnum, price,theatre_id, play_id, show_id, showtime, show_date, 
        isbooked, inserted_at, inserted_from, booking_num, tot_price, subzone_id, 
        zone_id, txn_id
    )
    SELECT 
        id, row, seatnum, price,theatre_id, play_id, show_id, showtime, 
        show_date, isbooked, inserted_at, inserted_from, booking_num, 
        tot_price, subzone_id, zone_id, txn_id
    FROM tbl_bookings
    WHERE (
        UNIX_TIMESTAMP( NOW( ) ) - UNIX_TIMESTAMP( inserted_at )
    ) /60 > 2
    AND booking_num NOT
    IN (
        SELECT booking_id
        FROM tbl_cust_booking
    );

    DELETE
    FROM tbl_bookings
    WHERE (
        UNIX_TIMESTAMP( NOW( ) ) - UNIX_TIMESTAMP( inserted_at )
    ) /60 > 2
    AND booking_num NOT
    IN (
        SELECT booking_id
        FROM tbl_cust_booking
    );


      END |

delimiter ;
于 2015-11-26T06:34:53.473 に答える