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Posted to issues@calcite.apache.org by "Shuyi Chen (JIRA)" <ji...@apache.org> on 2018/08/03 00:30:00 UTC

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

Shuyi Chen created CALCITE-2440:
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             Summary: 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


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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