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https://issues.apache.org/jira/browse/VXQUERY-35?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13402922#comment-13402922
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Till Westmann commented on VXQUERY-35:
--------------------------------------
I've reviewed the 3rd patch and committed most (but not all) of the functions.
I think that fn:substring-before and fn:substring-after can be written more
compactly and for fn:contains I could not convince myself yet, that it works
correctly in all cases. However, I didn't manage to come up with concrete
proposals for improvement so far.
> Functions based on substring matching
> -------------------------------------
>
> Key: VXQUERY-35
> URL: https://issues.apache.org/jira/browse/VXQUERY-35
> Project: VXQuery
> Issue Type: Bug
> Reporter: Preston Carman
> Labels: patch
> Attachments: StringMatchingFunctions1.patch,
> StringMatchingFunctions2.patch, StringMatchingFunctions3.patch
>
> Original Estimate: 72h
> Remaining Estimate: 72h
>
> The next set of functions suggested are functions dealing with substring
> matching. The details and list can be found at
> http://www.w3.org/TR/xquery-operators/#substring.functions.
> fn:contains - Indicates whether one xs:string contains another xs:string. A
> collation may be specified.
> fn:starts-with - Indicates whether the value of one xs:string begins with the
> collation units of another xs:string. A collation may be specified.
> fn:ends-with - Indicates whether the value of one xs:string ends with the
> collation units of another xs:string. A collation may be specified.
> fn:substring-before - Returns the collation units of one xs:string that
> precede in that xs:string the collation units of another xs:string. A
> collation may be specified.
> fn:substring-after - Returns the collation units of xs:string that follow in
> that xs:string the collation units of another xs:string. A collation may be
> specified.
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