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https://issues.apache.org/jira/browse/PHOENIX-2048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16136845#comment-16136845
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Csaba Skrabak commented on PHOENIX-2048:
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Help, @hadoopqa lies:
* phoenix-core/src/it/java/org/apache/phoenix/end2end/ToCharFunctionIT.java
_is_ a test and modification of it is included.
* There is no Javadoc warning about the modified files in the linked txt.
* Yes, I can break the long lines.
> change to_char() function to use HALF_UP rounding mode
> ------------------------------------------------------
>
> Key: PHOENIX-2048
> URL: https://issues.apache.org/jira/browse/PHOENIX-2048
> Project: Phoenix
> Issue Type: Improvement
> Affects Versions: verify
> Reporter: Jonathan Leech
> Assignee: Csaba Skrabak
> Priority: Minor
> Fix For: 4.12.0
>
> Attachments: PHOENIX-2048.patch
>
>
> to_char() function uses the default rounding mode in java DecimalFormat,
> which is a strange one called HALF_EVEN, which rounds a '5' in the last
> position either up or down depending on the preceding digit.
> Change it to HALF_UP so it rounds the same way as the round() function does,
> or provide a way to override the behavior; e.g. globally or as a client
> config, or an argument to the to_char() function.
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