public List <string> Next() { WSqlScript sqlScript = this.GetEndOp().ToSqlScript(); SqlScript = sqlScript.ToString(); GraphViewExecutionOperator op = sqlScript.Batches[0].Compile(null, this.connection); List <RawRecord> rawRecordResults = new List <RawRecord>(); RawRecord outputRec = null; while ((outputRec = op.Next()) != null) { rawRecordResults.Add(outputRec); } List <string> results = new List <string>(); switch (outputFormat) { case OutputFormat.GraphSON: results.Add(GraphSONProjector.ToGraphSON(rawRecordResults, this.connection)); break; default: foreach (var record in rawRecordResults) { FieldObject field = record[0]; results.Add(field.ToString()); } break; } return(results); }