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https://issues.apache.org/jira/browse/IGNITE-20083?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Maksim Zhuravkov updated IGNITE-20083:
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Priority: Minor (was: Major)
> Sql. Investigate cost calculation for MAP/REDUCE aggregate.
> -----------------------------------------------------------
>
> Key: IGNITE-20083
> URL: https://issues.apache.org/jira/browse/IGNITE-20083
> Project: Ignite
> Issue Type: Improvement
> Components: sql
> Affects Versions: 3.0.0-beta1
> Reporter: Maksim Zhuravkov
> Priority: Minor
> Labels: ignite-3
>
> After removing complex objects between MAP/REDUCE phase cost computations
> changed and some plans that were expected to choose MAP/REDUCE aggregates are
> now choose colocated aggregations or exchange is moved prior to MAP phase,
> and not inserted MAP/REDUCE phases.
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