[jira] [Work started] (IMPALA-12285) Type mismatch in set operations with ALLOW_UNSAFE_CASTS enabled

["Peter Rozsa (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-12285?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on IMPALA-12285 started by Peter Rozsa.
--------------------------------------------
> Type mismatch in set operations with ALLOW_UNSAFE_CASTS enabled
> ---------------------------------------------------------------
>
>                 Key: IMPALA-12285
>                 URL: https://issues.apache.org/jira/browse/IMPALA-12285
>             Project: IMPALA
>          Issue Type: Bug
>          Components: fe
>            Reporter: Peter Rozsa
>            Assignee: Peter Rozsa
>            Priority: Major
>
> {code:java}
> INSERT INTO iobt(c0) VALUES ("0"), (15629);{code}
> hit DCHECK in tuple.cc:233; the common type calculation resolves to smallint due to 15629, but literal casting does not respect the target type, and transforms the string literal to tinyint type.



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