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https://issues.apache.org/jira/browse/DAFFODIL-1097?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Beckerle updated DAFFODIL-1097:
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Summary: Need SDE (and someday warning) from ambiguous path expression
(was: Possible to create ambiguous path expression)
> Need SDE (and someday warning) from ambiguous path expression
> -------------------------------------------------------------
>
> Key: DAFFODIL-1097
> URL: https://issues.apache.org/jira/browse/DAFFODIL-1097
> Project: Daffodil
> Issue Type: Bug
> Components: General
> Reporter: Jessie Chab
> Priority: Major
>
> I was able to create a schema where three elements on the same level had the
> same name. When passing the ambiguous path into the fn:local-name() function,
> the function believed it was being passed a multi-item sequence, since three
> elements exist with this name. Since the elements are not optional and they
> are not part of a choice, there should not be any ambiguity when parsing.
> However, part of our reasoning for moving away from XPath was that we do not
> need to traverse an entire tree to find all matching nodes for a path,
> because there will be at most one match. That is not the case in this
> scenario.
> See test local_name_06 in the following files:
> daffodil-test/src/test/resources/edu/illinois/ncsa/daffodil/section23/dfdl_functions/Functions.tdml
> daffodil-test/src/test/scala-debug/edu/illinois/ncsa/daffodil/section23/dfdl_expressions/TestDFDLExpressionsDebug.scala
> daffodil-test/src/test/scala/edu/illinois/ncsa/daffodil/section23/dfdl_expressions/TestDFDLExpressions.scala
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