[teiid-issues] [JBoss JIRA] Created: (TEIID-1401) QueryRewriter issue with certain UDFs

[Mark Drilling (JIRA)]

QueryRewriter issue with certain UDFs
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                 Key: TEIID-1401
                 URL: https://issues.jboss.org/browse/TEIID-1401
             Project: Teiid
          Issue Type: Bug
          Components: Query Engine
    Affects Versions: 7.2
            Reporter: Mark Drilling
            Assignee: Steven Hawkins


Encountered NPE in QueryRewriter with the following stacktrace:

java.lang.ArrayIndexOutOfBoundsException: 1
	at com.metamatrix.query.rewriter.QueryRewriter.simplifyParseFormatFunction(QueryRewriter.java:1690)
	at com.metamatrix.query.rewriter.QueryRewriter.simplifyWithInverse(QueryRewriter.java:1368)
	at com.metamatrix.query.rewriter.QueryRewriter.rewriteCriteria(QueryRewriter.java:1314)
	at com.metamatrix.query.rewriter.QueryRewriter.rewriteCriteria(QueryRewriter.java:1112)
	at com.metamatrix.query.rewriter.QueryRewriter.rewriteCriteria(QueryRewriter.java:1095)
	at com.metamatrix.query.rewriter.QueryRewriter.rewriteCriteria(QueryRewriter.java:1091)
	at com.metamatrix.query.optimizer.relational.rules.FrameUtil.convertCriteria(FrameUtil.java:537)

The issue was traced back to usage of a UDF named 'parsedate_'.  The QueryRewriter makes assumption about function starting with the word 'parse'.  see next comment for more info.

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