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https://issues.apache.org/jira/browse/IMPALA-9539?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aman Sinha resolved IMPALA-9539.
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Fix Version/s: Impala 4.0
Resolution: Fixed
> Enable the conjunctive normal form rewrites by default
> ------------------------------------------------------
>
> Key: IMPALA-9539
> URL: https://issues.apache.org/jira/browse/IMPALA-9539
> Project: IMPALA
> Issue Type: Bug
> Components: Frontend
> Reporter: Aman Sinha
> Assignee: Aman Sinha
> Priority: Major
> Fix For: Impala 4.0
>
>
> IMPALA-9183 adds the functionality to convert disjunctive predicates into
> conjunctive normal form (CNF). Currently, the rewrite is disabled by default
> and can be enabled by setting enable_cnf_rewrites to true. Since it can
> cause several plan changes, we should ensure it does not cause regressions
> (both in terms of result correctness and performance) and then enable it by
> default. This JIRA is a follow-up to IMPALA-9183.
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