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Posted to issues@calcite.apache.org by "Hong Shen (Jira)" <ji...@apache.org> on 2019/08/23 07:49:00 UTC

[jira] [Updated] (CALCITE-3287) Union's getRowCount in RelMdRowCount has not consider 'union all'

     [ https://issues.apache.org/jira/browse/CALCITE-3287?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hong Shen updated CALCITE-3287:
-------------------------------
    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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