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https://issues.apache.org/jira/browse/CALCITE-3287?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hong Shen updated CALCITE-3287:
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Summary: Union's getRowCount in RelMdRowCount has not consider 'union all'
(was: Union's getRowCount in RelMdRowCount has not concern 'union all')
> Union's getRowCount in RelMdRowCount has not consider 'union all'
> -----------------------------------------------------------------
>
> Key: CALCITE-3287
> URL: https://issues.apache.org/jira/browse/CALCITE-3287
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: Hong Shen
> Priority: Minor
>
> when I read the RelMdRowCount.java, I found that union's getRowCount has not
> concern 'union all', while in Union.estimateRowCount has. can any body tell
> me why？
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