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https://issues.apache.org/jira/browse/TAJO-1456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14726579#comment-14726579
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Jihoon Son commented on TAJO-1456:
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I've rescheduled to 0.12.
> Add a filter pushdown optimization phase after join ordering
> ------------------------------------------------------------
>
> Key: TAJO-1456
> URL: https://issues.apache.org/jira/browse/TAJO-1456
> Project: Tajo
> Issue Type: Improvement
> Components: Planner/Optimizer
> Reporter: Jihoon Son
> Fix For: 0.12.0
>
>
> Currently, filter pushdown optimization is conducted only before join order
> optimization.
> However, the join order can be changed after its optimization, and thus the
> best position for each predicate will also be changed.
> This is why we need another filter pushdown phase after join order
> optimization.
> Please refer to the discussion at https://github.com/apache/tajo/pull/384.
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