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https://issues.apache.org/jira/browse/CALCITE-2970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17062143#comment-17062143
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Haisheng Yuan commented on CALCITE-2970:
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It turned out after CALCITE-3753 removing rule match importances and ordering,
the test just finish with 10 seconds. But checkJoinNWay(13) still takes 4 mins
to finish. With patch in [PR|https://github.com/apache/calcite/pull/1860],
checkJoinNWay(13) finishes in 5 seconds.
If above issue #2, #3 are resolved, we can run even faster.
> Performance issue when enabling abstract converter for EnumerableConvention
> ---------------------------------------------------------------------------
>
> Key: CALCITE-2970
> URL: https://issues.apache.org/jira/browse/CALCITE-2970
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: Haisheng Yuan
> Priority: Major
> Labels: pull-request-available
> Time Spent: 2h
> Remaining Estimate: 0h
>
> If we enable the use of abstract converter for {{EnumerableConvention}}, by
> making {{useAbstractConvertersForConversion}} return true,
> {{JDBCTest.testJoinManyWay}} will not complete.
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