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https://issues.apache.org/jira/browse/HAWQ-1450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16335470#comment-16335470
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Hongxu Ma commented on HAWQ-1450:
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We will contribute a vectorized executor *extension* (so it doesn't influence
other non-vectorized logic).
By now, it just includes some small vectorized operators/functions but is a
good start for this issue.
The design doc will be released later, welcome to comment.
> New HAWQ executor with vectorization & possible code generation
> ---------------------------------------------------------------
>
> Key: HAWQ-1450
> URL: https://issues.apache.org/jira/browse/HAWQ-1450
> Project: Apache HAWQ
> Issue Type: New Feature
> Components: Query Execution
> Reporter: Lei Chang
> Assignee: Hongxu Ma
> Priority: Major
> Fix For: backlog
>
>
> Most HAWQ executor code is inherited from postgres & gpdb. Let's discuss how
> to build a new hawq executor with vectorization and possibly code generation.
> These optimization may potentially improve the query performance a lot.
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