QueryRewriter issue with certain UDFs
-------------------------------------
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
Fix For: 7.3
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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