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https://issues.apache.org/jira/browse/CALCITE-2986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Haisheng Yuan resolved CALCITE-2986.
------------------------------------
       Resolution: Fixed
    Fix Version/s: 1.20.0

Fixed in 
https://github.com/apache/calcite/commit/cd9697398959bf518b255d1c59e7686c45f39646,
 thanks for the PR, [~vgarg]!

> Wrong results with =ANY subquery
> --------------------------------
>
>                 Key: CALCITE-2986
>                 URL: https://issues.apache.org/jira/browse/CALCITE-2986
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>            Reporter: Vineet Garg
>            Assignee: Vineet Garg
>            Priority: Major
>              Labels: pull-request-available, sub-query
>             Fix For: 1.20.0
>
>          Time Spent: 2h 20m
>  Remaining Estimate: 0h
>
> ANY/SOME subqueries are rewritten using MAX/MIN and cross-join. This is wrong 
> transformation for {{=ANY}} and {{<>ANY}} (and therefore {{=ALL}} and 
> {{<>ALL}}).
> Query
> {code:sql}
> select * from "scott".emp where empno = any (select empno from "scott".emp);
> {code}
> Expected output for above query is all rows from {{scott.emp}} but actual is 
> only one row
> Test case: e.g. 
> https://github.com/apache/calcite/compare/master...vineetgarg02:CALCITE-2986



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