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https://issues.apache.org/jira/browse/HIVE-24357?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zoltan Haindrich reassigned HIVE-24357:
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Assignee: Zoltan Haindrich
> Exchange SWO table/algorithm strategy
> -------------------------------------
>
> Key: HIVE-24357
> URL: https://issues.apache.org/jira/browse/HIVE-24357
> Project: Hive
> Issue Type: Improvement
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
>
> SWO right now runs like:
> {code}
> for every strategy s: for every table t: try s for t
> {code}
> this results in that an earlier startegy may create a more entangled operator
> tree behind - in case its able to merge for a less prioritized table
> it would probably make more sense to do:
> {code}
> for every table t: for every strategy s: try s for t
> {code}
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