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Posted to issues@flink.apache.org by "ZhangChao (Jira)" <ji...@apache.org> on 2025/07/30 12:48:00 UTC

[jira] [Comment Edited] (FLINK-38141) Iceberg sink has an incorrect type conversion

    [ https://issues.apache.org/jira/browse/FLINK-38141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18009859#comment-18009859 ] 

ZhangChao edited comment on FLINK-38141 at 7/30/25 12:47 PM:
-------------------------------------------------------------

I'd like to fix this bug. Please assign this issue to me [~Leonard].


was (Author: JIRAUSER310553):
I'd like to fix this bug. Please assign this issue to me.

> Iceberg sink has an incorrect type conversion
> ---------------------------------------------
>
>                 Key: FLINK-38141
>                 URL: https://issues.apache.org/jira/browse/FLINK-38141
>             Project: Flink
>          Issue Type: Bug
>          Components: Flink CDC
>    Affects Versions: cdc-3.4.0
>            Reporter: ZhangChao
>            Priority: Major
>              Labels: CDC, Sink, iceberg
>
> According to the Iceberg documentation https://iceberg.apache.org/docs/nightly/flink/#flink-to-iceberg, the CDC type {{TINYINT}} should be mapped to the Iceberg type {{{}INTEGER{}}}. However, in the code implementation of the Iceberg sink, I noticed that {{TINYINT}} is actually mapped to the Iceberg type {{{}BOOLEAN{}}}.



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