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https://issues.apache.org/jira/browse/CALCITE-2970?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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jin xing updated CALCITE-2970:
------------------------------
    Description: If we enable the use of abstract converter for 
{{EnumerableConvention}}, by making {{useAbstractConvertersForConversion}} 
return true, {{JDBCTest.testJoinManyWay}} will not complete.  (was: If we 
enable the use of abstract converter for {{EnumerableConvention}}, by making 
{{useAbstractConvertersForConversion}} return true, 
{{JDBCTest.testJoinManyWay}} will not complete. )

> 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: 1h 20m
>  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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