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https://issues.apache.org/jira/browse/SPARK-28553?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dylan Guedes updated SPARK-28553:
---------------------------------
Description:
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.
was:
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.
> subqueries always 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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