lvyanquan commented on code in PR #4413:
URL: https://github.com/apache/flink-cdc/pull/4413#discussion_r3321848062
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docs/content.zh/docs/connectors/flink-sources/mysql-cdc.md:
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@@ -441,6 +441,19 @@ Flink SQL> SELECT * FROM orders;
如果跳过 backfill ，快照阶段捕获表的更改将在稍后的 binlog 读取阶段被回放，而不是合并到快照中。<br>
警告：跳过 backfill 可能会导致数据不一致，因为快照阶段发生的某些 binlog 事件可能会被重放（仅保证
at-least-once ）。
例如，更新快照阶段已更新的值，或删除快照阶段已删除的数据。这些重放的 binlog 事件应进行特殊处理。
+ </td>
+ </tr>
+ <tr>
+ <td>scan.incremental.snapshot.string-key.compare-mode</td>
Review Comment:
We can use `SHOW VARIABLES LIKE "collation_server"` to query the character
set in use from MySQL, avoiding the introduction of a new configuration
parameter.
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