[teiid-issues] [JBoss JIRA] Updated: (TEIID-1705) Encountered NPE in SQLStringVisitor for TIMESTAMPADD and TIMESTAMPDIFF

Thu Aug 11 10:41:02 EDT 2011

     [ https://issues.jboss.org/browse/TEIID-1705?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Drilling updated TEIID-1705:
---------------------------------

    Attachment: SQLStringVisitor-Patch.txt


> Encountered NPE in SQLStringVisitor for TIMESTAMPADD and TIMESTAMPDIFF
> ----------------------------------------------------------------------
>
>                 Key: TEIID-1705
>                 URL: https://issues.jboss.org/browse/TEIID-1705
>             Project: Teiid
>          Issue Type: Bug
>          Components: Query Engine
>    Affects Versions: 7.4
>            Reporter: Mark Drilling
>            Assignee: Steven Hawkins
>         Attachments: SQLStringVisitor-Patch.txt
>
>
> I was using expression builder in Designer when I encountered this NPE. 
> java.lang.NullPointerException
> 	at org.teiid.query.sql.visitor.SQLStringVisitor.visit(SQLStringVisitor.java:1280)
> 	at org.teiid.query.sql.symbol.Function.acceptVisitor(Function.java:182)
> 	at org.teiid.query.sql.visitor.SQLStringVisitor.getSQLString(SQLStringVisitor.java:164)
> 	at com.metamatrix.query.internal.ui.builder.util.LanguageObjectLabelProvider.getText(LanguageObjectLabelProvider.java:129)
> I think the visit method for FUNCTION in SQLStringVisitor just needs to do a null check on the first arg.  I'm attaching a code patch. 

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