[jira] [Commented] (JENA-839) E_Regex only works with XSDstring.

["Claude Warren (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/JENA-839?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14262829#comment-14262829 ] 

Claude Warren commented on JENA-839:
------------------------------------

Both SPARQL 1.0 defines {{regex}} as:

{noformat}
 xsd:boolean   regex (simple literal text, simple literal pattern)
{noformat}

while 1.1 defines it at:

{noformat}
 xsd:boolean  REGEX (string literal text, simple literal pattern)
{noformat}

So it looks like 1.1 should handle the XSDnormalizedString while version 1.0 probably shouldn't.



> E_Regex only works with XSDstring.
> ----------------------------------
>
>                 Key: JENA-839
>                 URL: https://issues.apache.org/jira/browse/JENA-839
>             Project: Apache Jena
>          Issue Type: Bug
>          Components: ARQ
>    Affects Versions: Jena 2.12.1
>         Environment: Linux
>            Reporter: Claude Warren
>            Assignee: Claude Warren
>
> E_Regex eval verifies the argument is a string using: 
> {noformat}
> Node arg = NodeFunctions.checkAndGetStringLiteral("REGEX", args.get(0)) ;
> {noformat}
>  NodeFunctions.checkAndGetStringLiteral verifies that if the nodevalue is not null and is an XSDstring by the following statement:
> {noformat}
>  if ( dt != null && !dt.equals(XSDDatatype.XSDstring) )
>             throw new ExprEvalException(label + ": Not a string literal: " + nv) ;
> {noformat}
> this means that other string types (e.g. XSDnormalizedString) fail.
> I believe that the check should be to check that dt is an instanceof XSDBaseStringType.
> I am looking for comment before making the change.



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