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Posted to issues@kudu.apache.org by "Will Berkeley (JIRA)" <ji...@apache.org> on 2016/06/08 19:03:21 UTC
[jira] [Resolved] (KUDU-1446) Consider data types in predicate
evaluation order
[ https://issues.apache.org/jira/browse/KUDU-1446?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Will Berkeley resolved KUDU-1446.
---------------------------------
Resolution: Fixed
Fix Version/s: 1.0.0
> Consider data types in predicate evaluation order
> -------------------------------------------------
>
> Key: KUDU-1446
> URL: https://issues.apache.org/jira/browse/KUDU-1446
> Project: Kudu
> Issue Type: Improvement
> Components: perf
> Affects Versions: 0.8.0
> Reporter: Todd Lipcon
> Assignee: Will Berkeley
> Priority: Minor
> Fix For: 1.0.0
>
>
> Currently, we determine what order to apply predicates only based on the type of comparison (equality vs range). Within a category, we should also use the data type -- evaluating predicates on smaller columns is more efficient so should be preferably done first.
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