[jira] [Commented] (CALCITE-2440) SQL with UNNEST fail in volcano planner in some cases

["Volodymyr Vysotskyi (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CALCITE-2440?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16567657#comment-16567657 ] 

Volodymyr Vysotskyi commented on CALCITE-2440:
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[~suez1224], the line of code you have provided in the Jira description, helped to fix a loss of field aliases for the cases of the queries where unnest was used in a non-root level.
Could you please check a query you have provided? You are using column "a", does table "T" have such column, or you are trying to reference result of "unnest"?

> SQL with UNNEST fail in volcano planner in some cases
> -----------------------------------------------------
>
>                 Key: CALCITE-2440
>                 URL: https://issues.apache.org/jira/browse/CALCITE-2440
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 1.17.0
>            Reporter: Shuyi Chen
>            Assignee: Julian Hyde
>            Priority: Major
>
> After [CALCITE-2291|https://issues.apache.org/jira/browse/CALCITE-2291], specifically, [this line|https://github.com/apache/calcite/blob/7088dc7261d294b7c6d5c9f4463435e95f0b9c15/core/src/main/java/org/apache/calcite/sql2rel/SqlToRelConverter.java#L1952] causes volcano planner to fail to find the best plan for query 
> {code:java}
> SELECT a, s FROM T, UNNEST(T.c) as A (s)
> {code}
> . I'll try to write a unittest in Calcite to reproduce. [~cshi] [~vvysotskyi] [~HanumathRao], can you provide some context? Thanks a lot.



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