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From "Yingyi Bu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (ASTERIXDB-1368) Equality joins on primary key attributes should always pick index join
Date Thu, 24 Mar 2016 02:09:25 GMT

     [ https://issues.apache.org/jira/browse/ASTERIXDB-1368?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yingyi Bu updated ASTERIXDB-1368:
---------------------------------
    Description: Currently the default join method is hash join, we need to hint a query to
use index join.  However, for primary key equality join, index join should be always not worse
than hash join.  (was: Currently the default join method is hash join, we need to hint a query
to use index join.  However, the primary key equality join, index join should be always not
worse than hash join.)

> Equality joins on primary key attributes should always pick index join
> ----------------------------------------------------------------------
>
>                 Key: ASTERIXDB-1368
>                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-1368
>             Project: Apache AsterixDB
>          Issue Type: Improvement
>            Reporter: Yingyi Bu
>
> Currently the default join method is hash join, we need to hint a query to use index
join.  However, for primary key equality join, index join should be always not worse than
hash join.



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