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Posted to issues@spark.apache.org by "Yuming Wang (JIRA)" <ji...@apache.org> on 2019/07/30 02:12:00 UTC
[jira] [Commented] (SPARK-28553) subqueries must be aggregated
before hand
[ https://issues.apache.org/jira/browse/SPARK-28553?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16895703#comment-16895703 ]
Yuming Wang commented on SPARK-28553:
-------------------------------------
Sorry [~DylanGuedes]. Duplicate with SPARK-28379?
> subqueries must be aggregated before hand
> -----------------------------------------
>
> Key: SPARK-28553
> URL: https://issues.apache.org/jira/browse/SPARK-28553
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Dylan Guedes
> Priority: Major
>
> Looks like Spark subqueries does not work well with variables and values from outside of subquery. For instance, this query work on PgSQL:
> {code:sql}
> SELECT lead(ten, (SELECT two FROM tenk1 WHERE s.unique2 = unique2)) OVER (PARTITION BY four ORDER BY ten) FROM tenk1 s WHERE unique2 < 10;{code}
> However, it does not work in Spark.
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