TripleTable tripleTable = makeTripleTable(location, nodeTable, policy) ;
QuadTable quadTable = makeQuadTable(location, nodeTable, policy) ;
DatasetPrefixesTDB prefixes = makePrefixTable(location, policy) ;
ReorderTransformation transform = (_transform==null) ? chooseReorderTransformation(location) : _transform ;
StorageConfig storageConfig = new StorageConfig(location, params, readonly, blockMgrs, bufferChannels, nodeTables) ;
DatasetGraphTDB dsg = new DatasetGraphTDB(tripleTable, quadTable, prefixes, transform, storageConfig) ;
// TDB does filter placement on BGPs itself.
dsg.getContext().set(ARQ.optFilterPlacementBGP, false);