[
https://issues.apache.org/jira/browse/CALCITE-4012?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17111839#comment-17111839
]
Rui Wang commented on CALCITE-4012:
-----------------------------------
Question: what is a RelTraitDef for "HASH"? Is it RelDistributionTraitDef (I
found a hard time to connect this with a hashing property on a column)?
> Implement trait propagation for EnumerableHashJoin and
> EnumerableNestedLoopJoin
> -------------------------------------------------------------------------------
>
> Key: CALCITE-4012
> URL: https://issues.apache.org/jira/browse/CALCITE-4012
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Reporter: Haisheng Yuan
> Priority: Major
>
> The traitset can be derived from the outer relation of
> hashjoin/nestedloopjoin.
> They can also pass down parent trait request to their outer child.
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
