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https://issues.apache.org/jira/browse/CALCITE-3584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16994033#comment-16994033
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Danny Chen commented on CALCITE-3584:
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Thanks, the title you suggested is much better ~
> Propagate hints when decorrelating a query
> ------------------------------------------
>
> Key: CALCITE-3584
> URL: https://issues.apache.org/jira/browse/CALCITE-3584
> Project: Calcite
> Issue Type: Sub-task
> Components: core
> Affects Versions: 1.21.0
> Reporter: Danny Chen
> Assignee: Danny Chen
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.22.0
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> In CALCITE-482, we have support a basic SQL hints framework to let other
> engines to extend and have their own hints implementations. But for the
> decorrelation, the hints would just lost.
> We should support that because most of the sub-queries needs decorrelation.
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