[ 
https://issues.apache.org/jira/browse/CALCITE-2970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17077481#comment-17077481
 ] 

Haisheng Yuan commented on CALCITE-2970:
----------------------------------------

The creator of Foo convention should have its own logical transformation rule 
to transform a FooAggregate on top of a FooProject into a FooAggregate. It is a 
bad practice to do transformation on physical nodes.

> 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: 12h
>  Remaining Estimate: 0h
>
> If we enable the use of abstract converter for {{EnumerableConvention}}, by 
> making {{useAbstractConvertersForConversion}} return true, 
> {{JDBCTest.testJoinManyWay}} will not complete.



--
This message was sent by Atlassian Jira
(v8.3.4#803005)

Reply via email to