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https://issues.apache.org/jira/browse/CALCITE-816?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde reassigned CALCITE-816:
-----------------------------------
Assignee: Julian Hyde (was: Vladimir Sitnikov)
[~vlsi], I'm taking this back because I'm actively working on this. See
https://github.com/julianhyde/calcite/commits/816-sub-query. What work did you
want to do on this?
> Represent sub-query as a RexNode
> --------------------------------
>
> Key: CALCITE-816
> URL: https://issues.apache.org/jira/browse/CALCITE-816
> Project: Calcite
> Issue Type: Bug
> Reporter: Julian Hyde
> Assignee: Julian Hyde
> Fix For: 1.6.0
>
>
> Represent IN, NOT IN, EXISTS and scalar sub-queries as RexSubQuery extends
> RexNode. Then we can write a planner rule that expands sub-queries.
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