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  • 阿里云rds分区

    SELECT PARTITION_NAME,TABLE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS WHERE TABLE_NAME = 'xw_user_applyloan_baoxian';
    
    SELECT count(id) as sum ,FROM_UNIXTIME(time, '%Y-%m') as date FROM `xw_user_applyloan_baoxian` GROUP BY date ORDER BY date desc ;
    
    //时间戳
    alter table xw_user_applyloan_baoxian algorithm=inplace, lock=none, drop primary key, add primary key (id, time);
    alter table xw_user_applyloan_baoxian partition by range columns (time) (
        partition p1711 values less than (1512057599),
        partition p1712 values less than (1514735999),
        partition p0 values less than maxvalue
    );
    
    //字符串
    alter table xw_user_applyloan_baoxian algorithm=inplace, lock=none, drop primary key, add primary key (id, time);
    alter table xw_user_applyloan_baoxian partition by range columns (UNIX_TIMESTAMP(time)) (
        partition p1711 values less than (UNIX_TIMESTAMP('2007-11-30 23:59:59')),
        partition p1712 values less than (UNIX_TIMESTAMP('2007-12-31 23:59:59')),
        partition p0 values less than maxvalue
    );

    //查看分区情况
    SELECT PARTITION_NAME,TABLE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS WHERE TABLE_NAME = '
    xw_user_applyloan_baoxian';
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  • 原文地址:https://www.cnblogs.com/dawuge/p/14354474.html
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