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https://issues.apache.org/jira/browse/JENA-106?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andy Seaborne updated JENA-106:
-------------------------------
Labels: performance scalability tdb (was: gsoc2013 mentor performance
scalability tdb)
> Merge joins in TDB
> ------------------
>
> Key: JENA-106
> URL: https://issues.apache.org/jira/browse/JENA-106
> Project: Apache Jena
> Issue Type: Improvement
> Components: TDB
> Reporter: Paolo Castagna
> Labels: performance, scalability, tdb
>
> "TDB indexes do return predictably ordered results from a index access. Merge
> joins can be done and would be especially useful to apply to the first two
> triple patterns (later ones depend on whether the result of the first two
> come up in a useful order)." -- http://markmail.org/message/4gys5lidzbgwzxks
> OpExecutorTDB is the place to start looking into this (I think...).
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