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Posted to issues@drill.apache.org by "Abhishek Girish (JIRA)" <ji...@apache.org> on 2015/06/06 01:26:00 UTC
[jira] [Commented] (DRILL-3258) Add support for non-scalar
subqueries in expressions within HAVING clause
[ https://issues.apache.org/jira/browse/DRILL-3258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14575396#comment-14575396 ]
Abhishek Girish commented on DRILL-3258:
----------------------------------------
Hsuan, can you update the JIRA number displayed when such queries fail, until this is resolved? It currently points to DRILL-1937.
> Add support for non-scalar subqueries in expressions within HAVING clause
> -------------------------------------------------------------------------
>
> Key: DRILL-3258
> URL: https://issues.apache.org/jira/browse/DRILL-3258
> Project: Apache Drill
> Issue Type: Improvement
> Components: Query Planning & Optimization
> Reporter: Abhishek Girish
> Assignee: Sean Hsuan-Yi Chu
>
> Drill currently does not support queries with non-scalar sub-queries (which return more than one row) used within expressions.
> {code:sql}
> SELECT ss_item_sk
> FROM store_sales
> GROUP BY ss_item_sk
> HAVING Avg(ss_net_profit) > 2 *
> (SELECT avg(ss_net_profit)
> FROM store_sales
> GROUP BY ss_store_sk);
> {code}
> Such queries should be supported by Drill.
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