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https://issues.apache.org/jira/browse/ASTERIXDB-3157?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wail Y. Alkowaileet updated ASTERIXDB-3157:
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Labels: triaged (was: )
> Spurious warnings about inapplicable hints.
> -------------------------------------------
>
> Key: ASTERIXDB-3157
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-3157
> Project: Apache AsterixDB
> Issue Type: Bug
> Components: COMP - Compiler
> Reporter: Vijay Sarathy
> Assignee: Vijay Sarathy
> Priority: Minor
> Labels: triaged
>
> With CBO on, during join enumeration, the same hint may be applicable during
> one join order, and may be inapplicable during a different join order. Since
> we generate the warning as soon as we encounter it, if it becomes applicable
> in a different join order, the warning should be suppressed.
> {code:java}
> select 017, count(1) from S join T on S.u1K /*+ hashjoin build (T) */ =
> T.u1K join U on T.u4K = U.u4K;
>
> select 017, count(1) from S join T on S.u1K /*+ hashjoin build (T) */ =
> T.u1K join U on T.u4K /*+ hashjoin build (S) */ = U.u4K;
> {code}
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