[GitHub] [jena] afs commented on issue #1697: Buffering Datasets

["afs (via GitHub)" <gi...@apache.org>]

afs commented on issue #1697:
URL: https://github.com/apache/jena/issues/1697#issuecomment-1413664005

   Interesting - has it been used for soemthing?
   
   `jena-rdfpatch` has [DatasetGraphChanges](https://github.com/apache/jena/blob/main/jena-rdfpatch/src/main/java/org/apache/jena/rdfpatch/system/DatasetGraphChanges.java) which [when combined](https://github.com/apache/jena/blob/2e48ac6d14b6e61f7ab09a9b61294914c5a0d65e/jena-rdfpatch/src/main/java/org/apache/jena/rdfpatch/RDFPatchOps.java#L281) with a [RDFChangesWriterText](https://github.com/apache/jena/blob/main/jena-rdfpatch/src/main/java/org/apache/jena/rdfpatch/text/RDFChangesWriterText.java) outputs journal-like data.
   
   Patches can be made reversible - but there is a cost involved testing to see whether an "add" or "delete" is a real change to the set of triples/quads.
   


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