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Posted to dev@phoenix.apache.org by "Toshihiro Suzuki (JIRA)" <ji...@apache.org> on 2019/07/24 14:40:00 UTC
[jira] [Updated] (PHOENIX-5411) Incorrect result is returned when
using sum function with case when statement
[ https://issues.apache.org/jira/browse/PHOENIX-5411?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Toshihiro Suzuki updated PHOENIX-5411:
--------------------------------------
Summary: Incorrect result is returned when using sum function with case when statement (was: Incorrect result when using sum function with case when statement )
> Incorrect result is returned when using sum function with case when statement
> -----------------------------------------------------------------------------
>
> Key: PHOENIX-5411
> URL: https://issues.apache.org/jira/browse/PHOENIX-5411
> Project: Phoenix
> Issue Type: Bug
> Reporter: Toshihiro Suzuki
> Assignee: Toshihiro Suzuki
> Priority: Major
>
> In the following case, incorrect result is returned:
> {code}
> 0: jdbc:phoenix:> create table tbl (id varchar primary key, col1 varchar, col2 integer);
> No rows affected (0.86 seconds)
> 0: jdbc:phoenix:> upsert into tbl values('id1', 'aaa', 2);
> 1 row affected (0.078 seconds)
> 0: jdbc:phoenix:> upsert into tbl values('id2', null, 1);
> 1 row affected (0.008 seconds)
> 0: jdbc:phoenix:> select sum(case when col1 is not null then col2 else 0 end), sum(case when col1 is null then col2 else 0 end) from tbl;
> +-------------------------------------------------------+-------------------------------------------------------+
> | SUM(CASE WHEN COL1 IS NOT NULL THEN COL2 ELSE 0 END) | SUM(CASE WHEN COL1 IS NOT NULL THEN COL2 ELSE 0 END) |
> +-------------------------------------------------------+-------------------------------------------------------+
> | 2 | 2 |
> +-------------------------------------------------------+-------------------------------------------------------+
> 1 row selected (0.03 seconds)
> {code}
> The correct result is (2, 1), but (2, 2) is returned.
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