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https://issues.apache.org/jira/browse/IGNITE-16629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17498131#comment-17498131
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Yury Gerzhedovich commented on IGNITE-16629:
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[~korlov] could you please review the patch?
> Wrong calculation of replies count for queries with partition pruning and
> enabled parallelism
> ---------------------------------------------------------------------------------------------
>
> Key: IGNITE-16629
> URL: https://issues.apache.org/jira/browse/IGNITE-16629
> Project: Ignite
> Issue Type: Bug
> Components: sql
> Reporter: Yury Gerzhedovich
> Assignee: Yury Gerzhedovich
> Priority: Critical
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Currently a simple query is freezing forever if query parallelism is enabled
> and partition pruning extracts more than one partition. This caused by wrong
> replies count estimation made on a reducer node.
> The problematic query looks like this: {{{}select * from t where aff_key in
> ('a', 'b', 'c'){}}}.
> Please note that field _aff_key_ should be an affinity key and be a part of
> the compound PK.
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