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https://issues.apache.org/jira/browse/KYLIN-5386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17808862#comment-17808862
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ASF GitHub Bot commented on KYLIN-5386:
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hit-lacus closed pull request #2069: KYLIN-5386 segment过滤完成时间分区过滤从而提升cuboid的查询粒度
URL: https://github.com/apache/kylin/pull/2069
> 使用Segment元数据完成部分数据过滤加速长时间范围数据查询
> -------------------------------
>
> Key: KYLIN-5386
> URL: https://issues.apache.org/jira/browse/KYLIN-5386
> Project: Kylin
> Issue Type: New Feature
> Components: Query Engine
> Affects Versions: v4.0.3
> Reporter: xjlem
> Priority: Major
> Attachments: KYLIN-5386.v4.0.3-release.001.patch
>
>
> Query中分区字段影响segement过滤，为此查询中会带上分区字段作限制，但分区字段将会影响cuboid选择，使得cuboid始终是天粒度。为此我们使用segment的元数据信息满足查询的过滤，可以通过segment元数据进行过滤的部分将使用更粗粒度的cuboid进行聚合查询。
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