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https://issues.apache.org/jira/browse/FLINK-36956?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Leonard Xu updated FLINK-36956:
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Fix Version/s: cdc-3.3.0
> Pipeline transform should deduce PK column types to be NOT NULL
> ---------------------------------------------------------------
>
> Key: FLINK-36956
> URL: https://issues.apache.org/jira/browse/FLINK-36956
> Project: Flink
> Issue Type: Bug
> Components: Flink CDC
> Affects Versions: cdc-3.2.1
> Reporter: yux
> Priority: Major
> Labels: pull-request-available
> Fix For: cdc-3.3.0
>
>
> Currently, specifying primary key columns in Transform block does not affect
> its nullability attribute. However, most structured sink databases do not
> allow appointing a NULLable column as PK.
> Setting PK attribute in transform rules also make these columns NOT NULL
> implicitly would make more sense.
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