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SEM_APIS.MERGE_MODELS Does Not Support Named Graphs (Doc ID 1568399.1)

Last updated on FEBRUARY 28, 2019

Applies to:

Oracle Spatial and Graph - Version and later
Information in this document applies to any platform.


Using the function merge_model to do a full copy of the productive Semantic Model MS3_LIVE to the working Model MS2_WORK,
every triple in MS3_LIVE has a Graph name which is expected to transfer to the targeted model.

SELECT a.triple.GET_SUBJECT() subject,
  a.triple.GET_PROPERTY() predicate,
  TO_CHAR(a.triple.GET_OBJECT()) object,
  to_char(a.triple.rdf_m_id) graph_id
FROM RDF_DATA1 a where rownum<2;
returns as graph_id : 34509545880989908270252556349

The copied Model returns 61 as graph_id, which is just the model ID --> the named graph is missing




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