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Posted to issues@tajo.apache.org by "Hyunsik Choi (JIRA)" <ji...@apache.org> on 2014/01/29 06:24:09 UTC
[jira] [Resolved] (TAJO-567) Expression projection bugs
[ https://issues.apache.org/jira/browse/TAJO-567?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyunsik Choi resolved TAJO-567.
-------------------------------
Resolution: Fixed
Thanks for the quick review. committed.
> Expression projection bugs
> --------------------------
>
> Key: TAJO-567
> URL: https://issues.apache.org/jira/browse/TAJO-567
> Project: Tajo
> Issue Type: Bug
> Components: planner/optimizer
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Fix For: 0.8-incubating
>
> Attachments: TAJO-567.patch
>
>
> This patch fixes two cases of expression projection bugs. Please take a look at two example cases:
> The point of this case is outer join and constant expression.
> {code}
> select c_custkey, o.o_orderkey, 'val' as val from customer left outer join (select * from orders) o on c_custkey = o.o_orderkey
> {code}
> The point of this case is non-column grouping keys.
> {code}
> select upper(lower(l_orderkey::text)) as key, count(1) as total from lineitem group by upper(lower(l_orderkey::text)) order by upper(lower(l_orderkey::text)), total;
> {code}
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