public ISequence <TColumnKey> GetRow <T>(TRowKey rowKey) { var rowAddress = _rowIndex.Lookup(rowKey, LookupSemantics.Exact); if (rowAddress == null) { throw new KeyNotFoundException(); } var vector = new RowReaderVector <T>(_data, _vectorBuilder, rowAddress.Value); var res = new Sequence <TColumnKey, T>(_columnIndex, vector, _vectorBuilder, _indexBuilder); return((ISequence <TColumnKey>)res); }
public IVector <T> Build <T>(IVecConstructionCmd vectorConstruction, IVector <T>[] vectors) { if (vectorConstruction.GetType() == typeof(Return)) { var vcReturn = (Return)vectorConstruction; return(vectors[vcReturn.VectorLocation]); } else if (vectorConstruction.GetType() == typeof(Combine)) { var combine = (Combine)vectorConstruction; var data = combine.VecConstructionCmds.Select(vc => (IVector)VectorBuilderInstance.Build(vc, vectors)).ToArray(); var frameData = VectorBuilderInstance.Create(data); var rowReaders = new object[combine.Size]; for (long i = 0; i < combine.Size; i++) { rowReaders[i] = new RowReaderVector <object>(frameData, VectorBuilderInstance, i); } var objVec = new ArrayVector <object>(new ArrayVectorData <object>(rowReaders)); //var objectSeq = new ObjectSequence<T>(objVec); return(Vector.unboxVector <T>(objVec, VectorBuilderInstance)); } else if (vectorConstruction.GetType() == typeof(GetRange)) { var cmd = (GetRange)vectorConstruction; //TODO var range = (IntervalOf <Int64>)cmd.RangeBoundary; var newVecData = this.buildArrayVector(cmd.VecConstructionCmd, vectors); var newData = new T[(range.End - range.Start + 1)]; long idx = 0; for (long i = range.Start; i <= range.End; i++) { newData[idx] = newVecData[i]; idx++; } return(new ArrayVector <T>(new ArrayVectorData <T>(newData))); } else { return(null); } }