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https://issues.apache.org/jira/browse/FLINK-33666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17794086#comment-17794086
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Timo Walther commented on FLINK-33666:
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Thanks [~jeyhunkarimov] for working on this.
> MergeTableLikeUtil uses different constraint name than Schema
> -------------------------------------------------------------
>
> Key: FLINK-33666
> URL: https://issues.apache.org/jira/browse/FLINK-33666
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 1.18.0
> Reporter: Timo Walther
> Assignee: Jeyhun Karimov
> Priority: Major
> Labels: pull-request-available
>
> {{MergeTableLikeUtil}} uses a different algorithm to name constraints than
> {{Schema}}.
> {{Schema}} includes the column names.
> {{MergeTableLikeUtil}} uses a hashCode which means it might depend on JVM
> specifics.
> For consistency we should use the same algorithm. I propose to use
> {{Schema}}'s logic.
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