[jira] [Resolved] (SPARK-29888) New interval string parser parse '.111 seconds' to null

["Wenchen Fan (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-29888?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan resolved SPARK-29888.
---------------------------------
    Fix Version/s: 3.0.0
       Resolution: Fixed

Issue resolved by pull request 26514
[https://github.com/apache/spark/pull/26514]

> New interval string parser parse '.111 seconds' to null 
> --------------------------------------------------------
>
>                 Key: SPARK-29888
>                 URL: https://issues.apache.org/jira/browse/SPARK-29888
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Kent Yao
>            Assignee: Kent Yao
>            Priority: Major
>             Fix For: 3.0.0
>
>
> Current string to interval cast logic does not support i.e. cast('.111 second' as interval) which will fail in SIGN state and return null, actually, it is 00:00:00.111. 
> {code:java}
> These are the results of the master branch.
> -- !query 63
> select interval '.111 seconds'
> -- !query 63 schema
> struct<0.111 seconds:interval>
> -- !query 63 output
> 0.111 seconds
> -- !query 64
> select cast('.111 seconds' as interval)
> -- !query 64 schema
> struct<CAST(.111 seconds AS INTERVAL):interval>
> -- !query 64 output
> NULL
> {code}



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