Andy Seaborne created JENA-458:
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Summary: Make model work across transaction boundaries / make
model.begin do something reasonable.
Key: JENA-458
URL: https://issues.apache.org/jira/browse/JENA-458
Project: Apache Jena
Issue Type: Improvement
Components: TDB
Affects Versions: TDB 0.10.1
Reporter: Andy Seaborne
Priority: Minor
Currently, the model view must be re-feteched from the TDB dataset across
transaction boundaries even if all updates went via the model.
For some models, this is expensive - for example, inference models with
significant forward chaining.
A problem will always be that if the database can change via a different route.
A side-effect will be that model.begin()/model.commit()/model.abort() can be
implemented as always being a write transaction. It would need an API change
to support the difference between read and write.
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