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sql: update autocommit about tidb_batch_delete #721

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May 9, 2018
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sql: update autocommit about tidb_batch_delete #721

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2 changes: 1 addition & 1 deletion sql/tidb-specific.md
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Expand Up @@ -168,7 +168,7 @@ TiDB 在 MySQL 的基础上，定义了一些专用的系统变量和语法用

默认值: 0

这个变量用来设置是否自动切分待删除的数据。
这个变量用来设置是否自动切分待删除的数据。仅在 autocommit 开启时有效。
当删除大量数据时，可以将其设置为 true，这样待删除数据会被自动切分为多个 batch，每个 batch 使用一个单独的事务进行删除。

### tidb_dml_batch_size
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