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

What happened

on this situation，we should use metacolumns size ，but we used config column size

What you expected to happen

use right column size

How to reproduce

mysql->hdfs 'custom sql' set empty

Anything else

No response

Version

master

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