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https://issues.apache.org/jira/browse/CALCITE-2173?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16836548#comment-16836548
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Masayuki Takahashi commented on CALCITE-2173:
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Thanks for your comment.
I am working on ArrowJoin, but I can't assign enough time for this issue
recently.
And I have no milestone about this.
Currently, I don't care about performance at all. I think that it is probably
necessary to execute the query in parallel to get the performance.
Do you have anything issues for performance of Calcite?
> Sample implementation of ArrowAdapter
> -------------------------------------
>
> Key: CALCITE-2173
> URL: https://issues.apache.org/jira/browse/CALCITE-2173
> Project: Calcite
> Issue Type: Improvement
> Reporter: Masayuki Takahashi
> Priority: Minor
>
> I try to implement Apache Arrow adaper.
> [https://github.com/masayuki038/calcite/tree/arrow2/arrow/src/main/java/org/apache/calcite/adapter/arrow]
> Issues:
> * Add ArrowJoin, ArrowUnion, etc..
> * This Arrow Adapter use org.apache.calcite.adapter.enumerable.PhysTypeImpl.
> So I have added 'of' method on PhysType to create PhysTypeImpl instance since
> it can't access from arrow package.
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