[jira] [Assigned] (SPARK-39259) Timestamps returned by now() and equivalent functions are not consistent in subqueries

["Apache Spark (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-39259?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-39259:
------------------------------------

    Assignee:     (was: Apache Spark)

> Timestamps returned by now() and equivalent functions are not consistent in subqueries
> --------------------------------------------------------------------------------------
>
>                 Key: SPARK-39259
>                 URL: https://issues.apache.org/jira/browse/SPARK-39259
>             Project: Spark
>          Issue Type: Bug
>          Components: Optimizer
>    Affects Versions: 3.2.1
>         Environment: Reproduced in the Spark Shell on the current 3.4.0 snapshot
>            Reporter: Jan-Ole Sasse
>            Priority: Major
>
> Timestamp evaluation in not consistent across subqueries. As an example for the Spark Shell
>  
> {code:java}
> sql("SELECT * FROM (SELECT 1) WHERE now() IN (SELECT now())").collect() {code}
> Returns an empty result.
>  
> The root cause is that [ComputeCurrentTime|https://github.com/apache/spark/blob/c91c2e9afec0d5d5bbbd2e155057fe409c5bb928/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/finishAnalysis.scala#L74] does not iterate into subqueries



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