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https://issues.apache.org/jira/browse/KYLIN-3705?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16702863#comment-16702863
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Shaofeng SHI commented on KYLIN-3705:
-------------------------------------
KYLIN-3187 fixes this issue, while it is not on 2.5 code base, we need to
cherry-pick it to 2.5.
> Segment Pruner mis-functions when the source data has Chinese characters
> ------------------------------------------------------------------------
>
> Key: KYLIN-3705
> URL: https://issues.apache.org/jira/browse/KYLIN-3705
> Project: Kylin
> Issue Type: Bug
> Components: Metadata, Query Engine
> Affects Versions: v2.5.0, v2.5.1
> Reporter: jiezouSH
> Assignee: jiezouSH
> Priority: Critical
> Fix For: v2.6.0
>
>
> Source Data:
> "合肥市"，“西安市”，“北京市”
>
> sql:
> select * from ZYZ.TEST_ZYZ_3 where name='合肥市'
>
> Actual Result:
> empty result.
>
> Root Cause:
> Dimension range is computed In factDistinctColumnsReducer, but unfortunately
> the dimension range is not written in UTF-character.
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