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https://issues.apache.org/jira/browse/KYLIN-3489?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shaofeng SHI updated KYLIN-3489:
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Summary: Improve the efficiency of enumerating dictionary values (was:
Improve the efficiency of enumerating dictionary values by pre-order visiting)
> Improve the efficiency of enumerating dictionary values
> -------------------------------------------------------
>
> 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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