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https://issues.apache.org/jira/browse/FLINK-36262?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17881095#comment-17881095
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Sergey Nuyanzin commented on FLINK-36262:
-----------------------------------------
Merged as
[ab230adeab1ca35af8deb2e737daa465db6d203f|https://github.com/apache/flink/commit/ab230adeab1ca35af8deb2e737daa465db6d203f]
> Avoid unnecessary String concatenations in the RexFieldAccess constructor:
> port fix for CALCITE-5965
> ----------------------------------------------------------------------------------------------------
>
> Key: FLINK-36262
> URL: https://issues.apache.org/jira/browse/FLINK-36262
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Reporter: Sergey Nuyanzin
> Assignee: Sergey Nuyanzin
> Priority: Major
> Labels: pull-request-available
>
> In case of tables with deeply nested structures this issue with unnecessary
> String concatenations in the RexFieldAccess constructor started to play
> significant role
> and we faced it already.
> Since the fix (CALCITE-5965) is only in Calcite 1.36.0 it can take a long
> time before it comes with Calcite upgrade (currently there are 1.33 and 1.34
> in ready for review only)
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