Andy Seaborne created JENA-1372:
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Summary: New functions in F&O 3.1
Key: JENA-1372
URL: https://issues.apache.org/jira/browse/JENA-1372
Project: Apache Jena
Issue Type: Improvement
Components: ARQ
Affects Versions: Jena 3.4.0
Reporter: Andy Seaborne
Priority: Minor
F&O 3.1 adds some new functions : see
https://www.w3.org/TR/xpath-functions-3/#substantive-changes.
The ones of note are:
* [fn:apply|https://www.w3.org/TR/xpath-functions-3/#func-apply] (dynamically
applies a function to arguments supplied as an array) which is close to the
extension {{CALL}}, so the code there could be extracted and morphed to be
{{fn:apply}}.
*
[fn:collation-key|https://www.w3.org/TR/xpath-functions-3/#func-collation-key]
(generates a key that can be used for collation-based matching). It is quite
similar to role played by {{NodeValueSortKey}}.
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