[jira] [Commented] (IMPALA-9280) Time string with signed TZH token and dash separator cannot be cast to timestamp

["Jozsef Koza (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/IMPALA-9280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17010675#comment-17010675 ] 

Jozsef Koza commented on IMPALA-9280:
-------------------------------------

FYI [~gaborkaszab]

> Time string with signed TZH token and dash separator cannot be cast to timestamp
> --------------------------------------------------------------------------------
>
>                 Key: IMPALA-9280
>                 URL: https://issues.apache.org/jira/browse/IMPALA-9280
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Backend
>    Affects Versions: Impala 3.3.0
>            Reporter: Jozsef Koza
>            Priority: Minor
>              Labels: newbie
>
> Given a time string containing a TZH token with a sign which is preceded immediately by a dash delimiter cannot be cast to timestamp.
> h3. To reproduce
> Execute {code:sql}
> select cast("08:00-+01" as timestamp format "HH:MI-TZH");{code} which results in *NULL*.
>  
> ----
> It seems like the delimiter is incorrectly recognised as the sign of the timezone offset hour which prevents parsing the TZH value.
>  Adding an additional delimiter (other than dash itself) between the dash separator and the sign in the time string makes cast working.
> Executing
> {code:sql}
> select cast("08:00- +01" as timestamp format "HH:MI-TZH");{code}
> results in *08:00:00*.



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