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https://issues.apache.org/jira/browse/CALCITE-1524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde resolved CALCITE-1524.
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Resolution: Fixed
Fix Version/s: 1.11.0
Fixed in http://git-wip-us.apache.org/repos/asf/calcite/commit/751e2b0c.
> Add a project to the planner root so that rules know which output fields are
> used
> ---------------------------------------------------------------------------------
>
> Key: CALCITE-1524
> URL: https://issues.apache.org/jira/browse/CALCITE-1524
> Project: Calcite
> Issue Type: Bug
> Reporter: Julian Hyde
> Assignee: Julian Hyde
> Fix For: 1.11.0
>
>
> Add a project to the planner root so that rules know which output fields are
> used.
> One such rule is {{SemiJoinRule}}; it can only apply if it knows that no
> fields are used from the right-hand input, so it has to match a {{Project}}
> at the root of its pattern.
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