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Posted to notifications@asterixdb.apache.org by "Till (JIRA)" <ji...@apache.org> on 2018/03/08 22:30:00 UTC
[jira] [Updated] (ASTERIXDB-2292) Selecting the kth element from a
subquery with ORDER BY
[ https://issues.apache.org/jira/browse/ASTERIXDB-2292?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Till updated ASTERIXDB-2292:
----------------------------
Labels: triaged (was: )
> Selecting the kth element from a subquery with ORDER BY
> -------------------------------------------------------
>
> Key: ASTERIXDB-2292
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-2292
> Project: Apache AsterixDB
> Issue Type: Improvement
> Components: COMP - Compiler
> Reporter: Ali Alsuliman
> Assignee: Ali Alsuliman
> Priority: Major
> Labels: triaged
>
> (select * from GBU g order by g.name)[k]
> The plan for the above query orders, then listifies the result only to pick the kth element.
> The query should be turned into:
> select * from GBU g order by g.name limit 1 offset k
> This is especially important when k = 0
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