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https://issues.apache.org/jira/browse/CALCITE-3446?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde updated CALCITE-3446:
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Description: As [discussed in the DEV mailing
list|https://lists.apache.org/thread.html/d68e5f430b7ce977e5c044dae63cdba0dfaacaaedd787e8c2addf83a@%3Cdev.calcite.apache.org%3E],
we have made conclusion that the user can sub-class the RelMetadataQuery.
(was: As [discussed in the DEV mailing
list|https://lists.apache.org/[email protected]:lte=1M:%5BDISCUSSION%5D%20Extension%20of%20Metadata%20Query],
we have made conclusion that the user can sub-class the RelMetadataQuery.)
> Make RelMetadataQuery extensible
> --------------------------------
>
> Key: CALCITE-3446
> URL: https://issues.apache.org/jira/browse/CALCITE-3446
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Affects Versions: 1.21.0
> Reporter: Danny Chen
> Assignee: Danny Chen
> Priority: Major
> Fix For: 1.22.0
>
>
> As [discussed in the DEV mailing
> list|https://lists.apache.org/thread.html/d68e5f430b7ce977e5c044dae63cdba0dfaacaaedd787e8c2addf83a@%3Cdev.calcite.apache.org%3E],
> we have made conclusion that the user can sub-class the RelMetadataQuery.
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