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https://issues.apache.org/jira/browse/CLEREZZA-252?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Reto Bachmann-Gmür resolved CLEREZZA-252.
-----------------------------------------

    Resolution: Fixed
      Assignee: Reto Bachmann-Gmür

Locking in sparql engine. This allows for more optimizations than in TcManager, 
as an implementation might not need locks on all graphs during all the 
execution time.

> read-locks by sparql engine
> ---------------------------
>
>                 Key: CLEREZZA-252
>                 URL: https://issues.apache.org/jira/browse/CLEREZZA-252
>             Project: Clerezza
>          Issue Type: Improvement
>            Reporter: Reto Bachmann-Gmür
>            Assignee: Reto Bachmann-Gmür
>
> Currently its the responsability of the applications to lock the graphs 
> against which they direct a query. The sparql query engine (engines or 
> tcManager) should find against which MGraphs a query is targettted at and 
> lock the respective MGraphs.



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