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Posted to issues@flink.apache.org by "Yanquan Lv (Jira)" <ji...@apache.org> on 2025/08/04 12:27:00 UTC

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

     [ https://issues.apache.org/jira/browse/FLINK-38141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yanquan Lv resolved FLINK-38141.
--------------------------------
    Fix Version/s: cdc-3.5.0
       Resolution: Fixed

Fixed in master via f58158ae398956763efb55f766178ee916062cde

> 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
>            Assignee: ZhangChao
>            Priority: Major
>              Labels: CDC, Sink, iceberg, pull-request-available
>             Fix For: cdc-3.5.0
>
>
> 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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