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https://issues.apache.org/jira/browse/CALCITE-3850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17060132#comment-17060132
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Danny Chen commented on CALCITE-3850:
-------------------------------------
Hms, you have made the things more clear now, can you make a table to list what
query success and what fails for both Flink and Calcite, also give the error
stack strace. It would help a lot to push the issue on.
Kindly reminder, you still not gives what the AssertError actually is :)
> AssertionError when converts a SQL parse tree into a relational algebra
> expression
> ----------------------------------------------------------------------------------
>
> Key: CALCITE-3850
> URL: https://issues.apache.org/jira/browse/CALCITE-3850
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.21.0
> Reporter: fa zheng
> Priority: Major
>
> I execute following sql with calcite 1.21.0 in flink 1.10. When the two
> conditions of left outer join are like"ON t1.a=t2.a" and "ON t1.a=t3.a ", it
> execute successfully. However, when the two conditions of left outer join are
> like "ON IF(t1.a='...',CAST(RAND(123) AS STRING),t1.a)=t2.a" and "ON
> IF(t1.a='...',CAST(RAND(123) AS STRING),t1.a)=t3.a", it gets a assert error
> in method getRootField.
> It also can execute successfully with "ON t1.a=t2.a" and "ON
> IF(t1.a='...',CAST(RAND(123) AS STRING),t1.a)=t3.a".
> But failed with "ON IF(t1.a='...',CAST(RAND(123) AS STRING),t1.a)=t2.a" and
> "ON t1.a=t3.a"
> SELECT
> ...
> FROM
> (
> SELECT
> ...
> ) t1
> LEFT OUTER JOIN
> (
> SELECT
> ...
> ) t2
> ON ...
> LEFT OUTER JOIN
> (
> SELECT
> ...
> ) t3
> ON ...
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