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https://issues.apache.org/jira/browse/ASTERIXDB-2438?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dmitry Lychagin resolved ASTERIXDB-2438.
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Resolution: Fixed
> Consider assigns when pushing limit with condition into data scan
> -----------------------------------------------------------------
>
> Key: ASTERIXDB-2438
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-2438
> Project: Apache AsterixDB
> Issue Type: Improvement
> Components: COMP - Compiler
> Reporter: Dmitry Lychagin
> Assignee: Dmitry Lychagin
> Priority: Minor
>
> Currently PushLimitIntoPrimarySearchRule stops at assign operators and
> therefore doesn't not push select condition into data-scan if there's an
> assign in between. We should fix this to allow such conditions be pushed into
> data scan.
> Here are example queries:
> Q1:
> select substring(dblpid, 0, 21)
> from DBLP1
> where dblpid > "series"
> limit 1;
> Q2:
> select value t.user.lang
> from TweetMessages t
> where t.user.friends_count between 0 and 150
> limit 2
>
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