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ramkrishna.s.vasudevan commented on PHOENIX-2039:
-------------------------------------------------
Pushed to master. Let me know if I can push this to 4.x branches.
> ROUND over numeric in GROUP BY always returns null
> --------------------------------------------------
>
> Key: PHOENIX-2039
> URL: https://issues.apache.org/jira/browse/PHOENIX-2039
> Project: Phoenix
> Issue Type: Bug
> Reporter: James Taylor
> Assignee: ramkrishna.s.vasudevan
> Labels: newbie
> Fix For: 4.7.0
>
> Attachments: PHOENIX-2039.patch
>
>
> Here's an easy way to reproduce:
> {code}
> create table round_test(k bigint primary key);
> upsert into round_test values(1380603308885);
> select round(k/1000000,0) from round_test;
> +----------------------------------------+
> | (K / 1000000) |
> +----------------------------------------+
> | 1380603 |
> +----------------------------------------+
> select round(k/1000000,0) x from round_test group by x;
> +----------------------------------------+
> | X |
> +----------------------------------------+
> | null |
> +----------------------------------------+
> {code}
> Here's a work around:
> {code}
> select round(cast(k as date),'MINUTE',30) x from round_test group by x;
> +-------------------------+
> | X |
> +-------------------------+
> | 2013-10-01 05:00:00.000 |
> +-------------------------+
> select cast(round(cast(k as date),'MINUTE',30) as bigint) x
> from round_test group by x;
> +------------------------------------------+
> | X |
> +------------------------------------------+
> | 1380603600000 |
> +------------------------------------------+
> {code}
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