Maryann Xue created PHOENIX-4616:
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Summary: Move join query optimization out from QueryCompiler into
QueryOptimizer
Key: PHOENIX-4616
URL: https://issues.apache.org/jira/browse/PHOENIX-4616
Project: Phoenix
Issue Type: Improvement
Reporter: Maryann Xue
Assignee: Maryann Xue
Currently we do optimization for join queries inside QueryCompiler, which makes
the APIs and code logic confusing, so we need to move join optimization logic
into QueryOptimizer.
Similarly, but probably with a different approach, we need to optimize UNION
ALL queries and derived table sub-queries in QueryOptimizer.optimize().
Please also refer to this comment:
https://issues.apache.org/jira/browse/PHOENIX-4585?focusedCommentId=16367616&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-16367616
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