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https://issues.apache.org/jira/browse/JENA-991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andy Seaborne resolved JENA-991.
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Resolution: Fixed
> OpAsQuery : Combine adjacent ElementPathBlocks
> ----------------------------------------------
>
> Key: JENA-991
> URL: https://issues.apache.org/jira/browse/JENA-991
> Project: Apache Jena
> Issue Type: Improvement
> Components: ARQ
> Affects Versions: Jena 3.0.0
> Reporter: Andy Seaborne
> Assignee: Andy Seaborne
> Priority: Minor
> Fix For: Jena 3.0.0
>
>
> Following on from JENA-963.
> A single path block from parsed syntax becomes one ElementPathBlock in the
> AST, then an OpSequence of OpBGP and OpPath items in the algebra.
> OpAsQuery does not quite reverse this exactly. It produces a group
> Example:
> {code}
> { ?p :property ?o . ?p :p* ?z }
> {code}
> where { ?p :property ?o . ?p :p* ?z } is a single ElementPathBlock producing
> algebra:
> {code}
> (sequence
> (bgp (?p :property ?o))
> (path ?p (path* :p) ?z))
> )
> {code}
> OpAsQuery currently produces 2 ElementPathBlocks, one for the BGP, one for
> the path. This different syntax generates equivalent algebra.
> OpAsQuery should attempt to combine adjacent ElementPathBlocks as the
> ElementGroup is created.
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