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https://issues.apache.org/jira/browse/PHOENIX-3054?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15375869#comment-15375869
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Kevin Liew commented on PHOENIX-3054:
-------------------------------------

I made a mistake: the error occurs when comparing using `column1 = null` in the 
where clause

> Counting zero null rows returns an empty result set
> ---------------------------------------------------
>
>                 Key: PHOENIX-3054
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-3054
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.7.0
>            Reporter: Kevin Liew
>            Priority: Minor
>              Labels: count, count(*), null, sql
>
> Execute the following query on a table with zero null cells.
> {code}
> select count(*) from table where column1 is null
> {code}
> The result set should consist of one cell with the value `0` but the result 
> set is empty.



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