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Posted to issues@beam.apache.org by "Beam JIRA Bot (Jira)" <ji...@apache.org> on 2020/07/06 17:25:02 UTC
[jira] [Commented] (BEAM-9075) Join re-ordering doesn't work for
ZetaSQL
[ https://issues.apache.org/jira/browse/BEAM-9075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17152186#comment-17152186 ]
Beam JIRA Bot commented on BEAM-9075:
-------------------------------------
This issue was marked "stale-P2" and has not received a public comment in 14 days. It is now automatically moved to P3. If you are still affected by it, you can comment and move it back to P2.
> Join re-ordering doesn't work for ZetaSQL
> -----------------------------------------
>
> Key: BEAM-9075
> URL: https://issues.apache.org/jira/browse/BEAM-9075
> Project: Beam
> Issue Type: Bug
> Components: dsl-sql-zetasql
> Affects Versions: 2.17.0
> Reporter: Brian Hulette
> Priority: P3
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> Join re-ordering can actually break queries in the ZetaSQL planner because Calcite's JoinCommuteRule doesn't work when schemas have nested fields. It only adjusts RexInputRef nodes and not RexFieldAccess.
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