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https://issues.apache.org/jira/browse/TAJO-656?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyunsik Choi resolved TAJO-656.
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Resolution: Not a Problem
It was resolved in another jira.
> Should print zero for count() when no row matches the given condition
> ---------------------------------------------------------------------
>
> Key: TAJO-656
> URL: https://issues.apache.org/jira/browse/TAJO-656
> Project: Tajo
> Issue Type: Improvement
> Reporter: Keuntae Park
> Priority: Trivial
>
> {noformat}
> select count(*) from A where A.a = 'a';
> {noformat}
> When a table has no row that matches the given condition, it returns
> {noformat}
> ?count
> -------------------------------
> {noformat}
> I think return should be
> {noformat}
> ?count
> -------------------------------
> 0
> {noformat}
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