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https://issues.apache.org/jira/browse/JENA-205?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13238033#comment-13238033
]
Hudson commented on JENA-205:
-----------------------------
Integrated in Jena_ARQ #517 (See [https://builds.apache.org/job/Jena_ARQ/517/])
JENA-205 (Streaming results for CONSTRUCT queries). Added support to ARQ
for streaming CONSTRUCT queries for both local and remote query execution.
(Revision 1305184)
Result = SUCCESS
sallen :
Files :
*
/incubator/jena/Jena2/ARQ/trunk/src/main/java/com/hp/hpl/jena/query/QueryExecution.java
*
/incubator/jena/Jena2/ARQ/trunk/src/main/java/com/hp/hpl/jena/sparql/engine/QueryExecutionBase.java
*
/incubator/jena/Jena2/ARQ/trunk/src/main/java/com/hp/hpl/jena/sparql/engine/http/QueryEngineHTTP.java
*
/incubator/jena/Jena2/ARQ/trunk/src/main/java/com/hp/hpl/jena/sparql/modify/TemplateLib.java
*
/incubator/jena/Jena2/ARQ/trunk/src/main/java/org/openjena/riot/RiotParsePuller.java
*
/incubator/jena/Jena2/ARQ/trunk/src/main/java/org/openjena/riot/RiotQuadParsePuller.java
*
/incubator/jena/Jena2/ARQ/trunk/src/main/java/org/openjena/riot/RiotTripleParsePuller.java
> Streaming results for CONSTRUCT queries
> ---------------------------------------
>
> Key: JENA-205
> URL: https://issues.apache.org/jira/browse/JENA-205
> Project: Apache Jena
> Issue Type: Improvement
> Components: ARQ, Fuseki
> Reporter: Stephen Allen
> Assignee: Stephen Allen
> Priority: Minor
>
> It would be useful to have CONSTRUCT queries that streamed results. An
> additional method on QueryExecution that returned an Iterator<Statement> (or
> something similar to that [1]) would provide the necessary access.
> Implementationwise, the application of Bindings to the CONSTRUCT template is
> already streaming, we would simply need to perform a distinct operation on
> the Triples that are created. We could use a DistinctDataNet to get
> semi-streaming with spill-to-disk functionality.
> Additionally, for this to be useful for Fuseki, we also need an RDF/XML
> serializer that can operate on an Iterator<Statement> instead of a Model.
> [1] Prefix mappings would probably be nice for serializers that consume this
> iterator.
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