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https://issues.apache.org/jira/browse/ASTERIXDB-1368?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Till updated ASTERIXDB-1368:
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Assignee: Taewoo Kim (was: Yingyi Bu)
> Equality joins on primary key attributes should always pick index join
> ----------------------------------------------------------------------
>
> Key: ASTERIXDB-1368
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-1368
> Project: Apache AsterixDB
> Issue Type: Improvement
> Components: AsterixDB, Optimizer
> Reporter: Yingyi Bu
> Assignee: Taewoo Kim
> Labels: soon
>
> Currently the default join method is hash join, we need to hint a query to
> use index join. However, for primary key equality join, index join should be
> always not worse than hash join.
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