[teiid-issues] [JBoss JIRA] Moved: (TEIID-1486) Add implicit conversion of NULL to correct datatype in transformation validator

[Steven Hawkins (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-1486?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins moved TEIIDDES-210 to TEIID-1486:
------------------------------------------------

              Project: Teiid  (was: Teiid Designer)
                  Key: TEIID-1486  (was: TEIIDDES-210)
    Affects Version/s: 6.0.0
                           (was: 6.0.0)
                           (was: 6.1.0)
          Component/s: Query Engine
                           (was: Transformations)
                           (was: Validation)
        Fix Version/s:     (was: Future)


> Add implicit conversion of NULL to correct datatype in transformation validator
> -------------------------------------------------------------------------------
>
>                 Key: TEIID-1486
>                 URL: https://issues.jboss.org/browse/TEIID-1486
>             Project: Teiid
>          Issue Type: Feature Request
>          Components: Query Engine
>    Affects Versions: 6.0.0
>            Reporter: Marc Shirley
>
> When using NULL value as a column (ie, NULL as columnName), it is only implicitly converted to a string.  When trying to use the NULL as a column of type date, integer, float, etc., the validator throws a warning that the transformation is not valid.  If you wrap the NULL in a convert to the correct column datatype (ie, "convert(NULL,date)"), the transformation can be validated successfully.

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