[Bug] 1.2.0-RC5: flink jar task cdc to doris :create-table-only parameter ignore

[bestboy]

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• I had searched in the issues and found no similar issues.

What happened

创建flink cdc 任务，当指定:create-table-only 参数时，无效，创建完表后，数据依然会同步
mysql-sync-database
--database datacenter
--mysql-conf hostname=192.168.40.84
--mysql-conf port=3306
--mysql-conf username=develop
--mysql-conf password=xxxxx
--mysql-conf database-name=datacenter
--mysql-conf server-time-zone=Asia/Shanghai
--mysql-conf scan.startup.mode=latest-offset
--use-new-schema-change true
--ignore-default-value true
--including-tables "sbh_plat_order"
--sink-conf fenodes=192.168.40.92:8030
--sink-conf username=admin
--sink-conf password=xxxx
--sink-conf jdbc-url=jdbc:mysql://192.168.40.92:9030
--sink-conf sink.label-prefix=label-dev-datacenter-sbh_plat_order
--table-conf replication_num=1
--create-table-only=true

需要修改scan.startup.mode参数吗？改为哪个模式才不会同步数据，只同步表结构？

What you expected to happen

正常执行

How to reproduce

如图

Anything else

No response

Version

1.2.0

Are you willing to submit PR?

• Yes I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct

[github-actions]

Hello @bestboy, this issue is about CDC/CDCSOURCE, so I assign it to @aiwenmo. If you have any questions, you can comment and reply.

你好 @bestboy, 这个 issue 是关于 CDC/CDCSOURCE 的，所以我把它分配给了 @aiwenmo。如有任何问题，可以评论回复。

[github-actions]

Hello @bestboy, this issue is about web, so I assign it to @Zzm0809. If you have any questions, you can comment and reply.

你好 @bestboy, 这个 issue 是关于 web 的，所以我把它分配给了 @Zzm0809。如有任何问题，可以评论回复。

[aiwenmo]

Please check the official website documentation of the corresponding component.