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Posted to issues@kylin.apache.org by "Shaofeng SHI (JIRA)" <ji...@apache.org> on 2018/08/20 10:49:00 UTC
[jira] [Resolved] (KYLIN-3489) Improve the efficiency of
enumerating dictionary values by pre-order visiting
[ https://issues.apache.org/jira/browse/KYLIN-3489?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Shaofeng SHI resolved KYLIN-3489.
---------------------------------
Resolution: Fixed
Merged in master; thanks Yanghong!
> Improve the efficiency of enumerating dictionary values by pre-order visiting
> -----------------------------------------------------------------------------
>
> Key: KYLIN-3489
> URL: https://issues.apache.org/jira/browse/KYLIN-3489
> Project: Kylin
> Issue Type: Improvement
> Components: Metadata
> Reporter: Zhong Yanghong
> Assignee: Zhong Yanghong
> Priority: Major
> Fix For: v2.5.0
>
> Attachments: APACHE-KYLIN-3489.patch
>
>
> Currently, to enumerate all of the values of a dictionary, we enumerate the ids first and then get the related values. The compute complexity is nlogn. We can achieve the compute complexity of n by pre-order visiting the trie tree.
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