Release 3.21.02.1

[yanhuqing666]

Release Notes:

We have released a bug-fixed version 3.21.02.1.

Bug-fixes:

• Com_stmt_prepare returns the wrong message sequence when use R-W split
• Other bugs of prepared statement
• Bug of sql_statistic
• Bug of set autocommit
• dble_db_group should support 0~3 for field rw_split_mode
• [Keep slow log on, dble may occur oom #2638] Keep slow log on & hint, dble may occur oom
• Other incidental bugs

发行说明：

我们发布了3.21.02.1,这是个基于3.21.02.0的bug修复版本

问题修复:

• 读写分离中com_stmt_prepare 返回报文次序错误
• 其他prepare statement的bugs
• sql_statistic 的bug
• set autocommit的bug
• dble_db_group表 应支持insert rw_split_mode字段范围是0-3
• [Keep slow log on, dble may occur oom #2638]开启慢日志并发送大量hint，可能会导致内存泄漏最终oom Keep slow log on & hint, dble may occur oom
• 一些偶发bug

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This discussion was created from the release Release 3.21.02.1.