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https://issues.apache.org/jira/browse/CALCITE-1150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15280609#comment-15280609
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Jinfeng Ni commented on CALCITE-1150:
-------------------------------------
Here is the PR link:
https://github.com/apache/calcite/pull/228
> Create the a new DynamicRecordType, avoiding star expansion when working with
> this type
> ---------------------------------------------------------------------------------------
>
> Key: CALCITE-1150
> URL: https://issues.apache.org/jira/browse/CALCITE-1150
> Project: Calcite
> Issue Type: Improvement
> Reporter: Jacques Nadeau
> Assignee: Julian Hyde
>
> DynamicRecordType can be used to leverage user-provided field implications to
> avoid schema analysis until execution.
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