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  • 触发事件执行

    mysql -vvv -u root -p123456 test -e "truncate t_target;alter event ev1 on schedule at current_timestamp enable;alter event ev2 on schedule at current_timestamp enable;alter event ev3 on schedule at current_timestamp enable;alter event ev4 on schedule at current_timestamp enable;"
            该命令行顺序触发了4个事件,但不会等前一个执行完才执行下一个,而是立即向下执行。这可从命令的输出可以清除看到:

    [mysql@hdp2~]$mysql -vvv -u root -p123456 test -e "truncate t_target;alter event ev1 on schedule at current_timestamp enable;alter event ev2 on schedule at current_timestamp enable;alter event ev3 on schedule at current_timestamp enable;alter event ev4 on schedule at current_timestamp enable;"
    mysql: [Warning] Using a password on the command line interface can be insecure.
    --------------
    truncate t_target
    --------------

    Query OK, 0 rows affected (0.06 sec)

    --------------
    alter event ev1 on schedule at current_timestamp enable
    --------------

    Query OK, 0 rows affected (0.02 sec)

    --------------
    alter event ev2 on schedule at current_timestamp enable
    --------------

    Query OK, 0 rows affected (0.00 sec)

    --------------
    alter event ev3 on schedule at current_timestamp enable
    --------------

    Query OK, 0 rows affected (0.02 sec)

    --------------
    alter event ev4 on schedule at current_timestamp enable
    --------------

    Query OK, 0 rows affected (0.00 sec)

    Bye
    [mysql@hdp2~]$
    ---------------------

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  • 原文地址:https://www.cnblogs.com/ly570/p/11311247.html
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