[teiid-issues] [JBoss JIRA] Closed: (TEIID-1487) CLONE - Add implicit conversion of NULL to correct datatype in transformation validator

[Steven Hawkins (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-1487?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins closed TEIID-1487.
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> CLONE - Add implicit conversion of NULL to correct datatype in transformation validator
> ---------------------------------------------------------------------------------------
>
>                 Key: TEIID-1487
>                 URL: https://issues.jboss.org/browse/TEIID-1487
>             Project: Teiid
>          Issue Type: Feature Request
>          Components: Query Engine
>    Affects Versions: 6.0.0
>            Reporter: Marc Shirley
>             Fix For: 7.4
>
>
> 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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