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function working
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95211cde25
commit
0297a598b9
@ -16,6 +16,8 @@ void registerFunctionsHigherOrder(FunctionFactory & factory)
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factory.registerFunction<FunctionArrayFirstIndex>();
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factory.registerFunction<FunctionArraySort>();
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factory.registerFunction<FunctionArrayReverseSort>();
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factory.registerFunction<FunctionArrayCumSum>();
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}
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}
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@ -60,18 +60,37 @@ struct ArrayCumSumImpl
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static bool needExpression() { return false; }
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static bool needOneArray() { return true; }
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static DataTypePtr getReturnType(const DataTypePtr & /*expression_return*/, const DataTypePtr & array_element)
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static DataTypePtr getReturnType(const DataTypePtr & expression_return, const DataTypePtr & /*array_element*/)
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{
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return std::make_shared<DataTypeArray>(array_element);
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//return std::make_shared<DataTypeArray>(array_element);
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if (checkDataType<DataTypeUInt8>(&*expression_return) ||
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checkDataType<DataTypeUInt16>(&*expression_return) ||
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checkDataType<DataTypeUInt32>(&*expression_return) ||
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checkDataType<DataTypeUInt64>(&*expression_return))
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return std::make_shared<DataTypeArray>(std::make_shared<DataTypeUInt64>());
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if (checkDataType<DataTypeInt8>(&*expression_return) ||
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checkDataType<DataTypeInt16>(&*expression_return) ||
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checkDataType<DataTypeInt32>(&*expression_return) ||
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checkDataType<DataTypeInt64>(&*expression_return))
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return std::make_shared<DataTypeArray>(std::make_shared<DataTypeInt64>());
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if (checkDataType<DataTypeFloat32>(&*expression_return) ||
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checkDataType<DataTypeFloat64>(&*expression_return))
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return std::make_shared<DataTypeArray>(std::make_shared<DataTypeFloat64>());
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throw Exception("arraySum cannot add values of type " + expression_return->getName(), ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
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}
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template <typename Element, typename Result>
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static bool executeType(const ColumnPtr & mapped, const ColumnArray::Offsets & offsets, ColumnPtr & res_ptr)
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static bool executeType(const ColumnPtr & mapped, const ColumnArray & array, ColumnPtr & res_ptr)
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{
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const ColumnVector<Element> * column = checkAndGetColumn<ColumnVector<Element>>(&*mapped);
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if (!column)
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return false;
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/*if (!column)
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{
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const ColumnConst * column_const = checkAndGetColumnConst<ColumnVector<Element>>(&*mapped);
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@ -80,70 +99,62 @@ struct ArrayCumSumImpl
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const Element x = column_const->template getValue<Element>();
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auto res = ColumnArray::create()
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auto res_nested = ColumnVector<Result>::create();
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ColumnVector<Result>::Container & res_values = res_nested->getData();
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res_values.resize(offsets.size());
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size_t pos = 0;
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for (size_t i = 0; i < offsets.size(); ++i)
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{
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res[i] = x * (offsets[i] - pos);
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pos = offsets[i];
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}
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size_t pos = 0;
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for (size_t i = 0; i < offsets.size(); ++i)
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{
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res_values[pos++] = x;
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for (; pos < offsets[i]; ++pos)
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{
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res_values[pos] = res_values[pos - 1] + x
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res_values[pos] = res_values[pos - 1] + x;
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}
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}
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res_ptr = ColumnArray::create(std::move(res_nested), offsets);
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return true;
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}
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}*/
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const IColumn::Offsets & offsets = array.getOffsets();
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const typename ColumnVector<Element>::Container & data = column->getData();
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// create output column
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auto res = ColumnArray::create()
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auto res_nested = ColumnVector<Result>::create();
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ColumnVector<Result>::Container & res_values = res_nested->getData();
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res_values.resize(offsets.size());
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typename ColumnVector<Result>::Container & res_values = res_nested->getData();
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res_values.resize(data.size());
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// accumulate
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size_t pos = 0;
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for (size_t i = 0; i < offsets.size(); ++i)
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{
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res_values[pos++] = data[pos]
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res_values[pos] = data[pos];
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++pos;
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for (; pos < offsets[i]; ++pos)
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{
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res_values[pos] = res_values[pos - 1] + data[pos - 1]
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res_values[pos] = res_values[pos - 1] + data[pos];
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}
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}
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res_ptr = ColumnArray::create(std::move(res_nested), offsets);
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res_ptr = ColumnArray::create(std::move(res_nested), array.getOffsetsPtr());
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return true;
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}
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static ColumnPtr execute(const ColumnArray & array, ColumnPtr mapped)
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{
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const IColumn::Offsets & offsets = array.getOffsets();
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ColumnPtr res;
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if (executeType< UInt8 , UInt64>(mapped, offsets, res) ||
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executeType< UInt16, UInt64>(mapped, offsets, res) ||
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executeType< UInt32, UInt64>(mapped, offsets, res) ||
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executeType< UInt64, UInt64>(mapped, offsets, res) ||
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executeType< Int8 , Int64>(mapped, offsets, res) ||
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executeType< Int16, Int64>(mapped, offsets, res) ||
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executeType< Int32, Int64>(mapped, offsets, res) ||
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executeType< Int64, Int64>(mapped, offsets, res) ||
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executeType<Float32,Float64>(mapped, offsets, res) ||
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executeType<Float64,Float64>(mapped, offsets, res))
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if (executeType< UInt8 , UInt64>(mapped, array, res) ||
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executeType< UInt16, UInt64>(mapped, array, res) ||
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executeType< UInt32, UInt64>(mapped, array, res) ||
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executeType< UInt64, UInt64>(mapped, array, res) ||
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executeType< Int8 , Int64>(mapped, array, res) ||
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executeType< Int16, Int64>(mapped, array, res) ||
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executeType< Int32, Int64>(mapped, array, res) ||
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executeType< Int64, Int64>(mapped, array, res) ||
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executeType<Float32,Float64>(mapped, array, res) ||
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executeType<Float64,Float64>(mapped, array, res))
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return res;
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else
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throw Exception("Unexpected column for arrayCumSum: " + mapped->getName());
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