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594 lines
23 KiB
C++
594 lines
23 KiB
C++
#pragma once
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#include <AggregateFunctions/AggregateFunctionFactory.h>
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#include <AggregateFunctions/AggregateFunctionGroupBitmapData.h>
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#include <Columns/ColumnAggregateFunction.h>
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#include <Columns/ColumnArray.h>
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#include <Columns/ColumnConst.h>
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#include <Columns/ColumnVector.h>
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#include <DataTypes/DataTypeAggregateFunction.h>
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#include <DataTypes/DataTypeArray.h>
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#include <DataTypes/DataTypesNumber.h>
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#include <Functions/FunctionHelpers.h>
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#include <Functions/IFunction.h>
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#include <Common/typeid_cast.h>
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namespace DB
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{
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namespace ErrorCodes
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{
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extern const int LOGICAL_ERROR;
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extern const int NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
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}
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/** Bitmap functions.
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* Build a bitmap from integer array:
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* bitmapBuild: integer[] -> bitmap
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*
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* Convert bitmap to integer array:
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* bitmapToArray: bitmap -> integer[]
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*
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* Two bitmap and calculation:
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* bitmapAnd: bitmap,bitmap -> bitmap
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*
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* Two bitmap or calculation:
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* bitmapOr: bitmap,bitmap -> bitmap
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*
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* Two bitmap xor calculation:
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* bitmapXor: bitmap,bitmap -> bitmap
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*
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* Two bitmap andnot calculation:
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* bitmapAndnot: bitmap,bitmap -> bitmap
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*
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* Retrun bitmap cardinality:
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* bitmapCardinality: bitmap -> integer
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*
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* Two bitmap and calculation, return cardinality:
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* bitmapAndCardinality: bitmap,bitmap -> integer
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*
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* Two bitmap or calculation, return cardinality:
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* bitmapOrCardinality: bitmap,bitmap -> integer
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*
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* Two bitmap xor calculation, return cardinality:
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* bitmapXorCardinality: bitmap,bitmap -> integer
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*
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* Two bitmap andnot calculation, return cardinality:
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* bitmapAndnotCardinality: bitmap,bitmap -> integer
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*/
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template <typename Name>
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class FunctionBitmapBuildImpl : public IFunction
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{
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public:
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static constexpr auto name = Name::name;
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static FunctionPtr create(const Context &) { return std::make_shared<FunctionBitmapBuildImpl>(); }
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String getName() const override { return name; }
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bool isVariadic() const override { return false; }
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size_t getNumberOfArguments() const override { return 1; }
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DataTypePtr getReturnTypeImpl(const DataTypes & arguments) const override
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{
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if (arguments[0]->onlyNull())
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return arguments[0];
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auto array_type = typeid_cast<const DataTypeArray *>(arguments[0].get());
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if (!array_type)
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throw Exception(
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"First argument for function " + getName() + " must be an array but it has type " + arguments[0]->getName() + ".",
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ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
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auto nested_type = array_type->getNestedType();
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DataTypes argument_types = {nested_type};
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Array params_row;
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AggregateFunctionPtr bitmap_function
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= AggregateFunctionFactory::instance().get(AggregateFunctionGroupBitmapData<UInt32>::name(), argument_types, params_row);
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return std::make_shared<DataTypeAggregateFunction>(bitmap_function, argument_types, params_row);
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}
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bool useDefaultImplementationForConstants() const override { return true; }
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void executeImpl(Block & block, const ColumnNumbers & arguments, size_t result, size_t /* input_rows_count */) override
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{
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const IDataType * from_type = block.getByPosition(arguments[0]).type.get();
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auto array_type = typeid_cast<const DataTypeArray *>(from_type);
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auto nested_type = array_type->getNestedType();
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DataTypes argument_types = {nested_type};
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WhichDataType which(nested_type);
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if (which.isUInt8())
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executeBitmapData<UInt8>(block, argument_types, arguments, result);
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else if (which.isUInt16())
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executeBitmapData<UInt16>(block, argument_types, arguments, result);
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else if (which.isUInt32())
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executeBitmapData<UInt32>(block, argument_types, arguments, result);
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else if (which.isUInt64())
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executeBitmapData<UInt64>(block, argument_types, arguments, result);
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else
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throw Exception(
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"Unexpected type " + from_type->getName() + " of argument of function " + getName(), ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
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}
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private:
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template <typename T>
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void executeBitmapData(Block & block, DataTypes & argument_types, const ColumnNumbers & arguments, size_t result)
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{
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// input data
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const ColumnArray * array = typeid_cast<const ColumnArray *>(block.getByPosition(arguments[0]).column.get());
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ColumnPtr mapped = array->getDataPtr();
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const ColumnArray::Offsets & offsets = array->getOffsets();
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const ColumnVector<T> * column = checkAndGetColumn<ColumnVector<T>>(&*mapped);
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const typename ColumnVector<T>::Container & input_data = column->getData();
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// output data
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Array params_row;
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AggregateFunctionPtr bitmap_function
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= AggregateFunctionFactory::instance().get(AggregateFunctionGroupBitmapData<UInt32>::name(), argument_types, params_row);
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auto col_to = ColumnAggregateFunction::create(bitmap_function);
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col_to->reserve(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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col_to->insertDefault();
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AggregateFunctionGroupBitmapData<T> & bitmap_data
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= *reinterpret_cast<AggregateFunctionGroupBitmapData<T> *>(col_to->getData()[i]);
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for (; pos < offsets[i]; ++pos)
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{
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bitmap_data.rbs.add(input_data[pos]);
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}
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}
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block.getByPosition(result).column = std::move(col_to);
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}
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};
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template <typename Name>
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class FunctionBitmapToArrayImpl : public IFunction
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{
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public:
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static constexpr auto name = Name::name;
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static FunctionPtr create(const Context &) { return std::make_shared<FunctionBitmapToArrayImpl>(); }
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String getName() const override { return name; }
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bool isVariadic() const override { return false; }
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size_t getNumberOfArguments() const override { return 1; }
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DataTypePtr getReturnTypeImpl(const DataTypes & arguments) const override
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{
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const DataTypeAggregateFunction * bitmap_type = typeid_cast<const DataTypeAggregateFunction *>(arguments[0].get());
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if (!(bitmap_type && bitmap_type->getFunctionName() == AggregateFunctionGroupBitmapData<UInt32>::name()))
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throw Exception(
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"First argument for function " + getName() + " must be an bitmap but it has type " + arguments[0]->getName() + ".",
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ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
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const DataTypePtr data_type = bitmap_type->getArgumentsDataTypes()[0];
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return std::make_shared<DataTypeArray>(data_type);
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}
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bool useDefaultImplementationForConstants() const override { return true; }
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void executeImpl(Block & block, const ColumnNumbers & arguments, size_t result, size_t input_rows_count) override
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{
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// input data
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const auto & return_type = block.getByPosition(result).type;
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auto res_ptr = return_type->createColumn();
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ColumnArray & res = static_cast<ColumnArray &>(*res_ptr);
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IColumn & res_data = res.getData();
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ColumnArray::Offsets & res_offsets = res.getOffsets();
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const IDataType * from_type = block.getByPosition(arguments[0]).type.get();
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const DataTypeAggregateFunction * aggr_type = typeid_cast<const DataTypeAggregateFunction *>(from_type);
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WhichDataType which(aggr_type->getArgumentsDataTypes()[0]);
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if (which.isUInt8())
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executeIntType<UInt8>(block, arguments, input_rows_count, res_data, res_offsets);
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else if (which.isUInt16())
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executeIntType<UInt16>(block, arguments, input_rows_count, res_data, res_offsets);
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else if (which.isUInt32())
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executeIntType<UInt32>(block, arguments, input_rows_count, res_data, res_offsets);
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else if (which.isUInt64())
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executeIntType<UInt64>(block, arguments, input_rows_count, res_data, res_offsets);
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else
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throw Exception(
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"Unexpected type " + from_type->getName() + " of argument of function " + getName(), ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
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block.getByPosition(result).column = std::move(res_ptr);
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}
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private:
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using ToType = UInt64;
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template <typename T>
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void executeIntType(
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Block & block, const ColumnNumbers & arguments, size_t input_rows_count, IColumn & res_data_col, ColumnArray::Offsets & res_offsets)
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const
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{
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const ColumnAggregateFunction * column
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= typeid_cast<const ColumnAggregateFunction *>(block.getByPosition(arguments[0]).column.get());
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PaddedPODArray<T> & res_data = typeid_cast<ColumnVector<T> &>(res_data_col).getData();
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ColumnArray::Offset res_offset = 0;
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for (size_t i = 0; i < input_rows_count; ++i)
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{
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const AggregateFunctionGroupBitmapData<T> & bd1
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= *reinterpret_cast<const AggregateFunctionGroupBitmapData<T> *>(column->getData()[i]);
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UInt64 count = bd1.rbs.rb_to_array(res_data);
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res_offset += count;
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res_offsets.emplace_back(res_offset);
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}
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}
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};
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template <typename Name>
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class FunctionBitmapSelfCardinalityImpl : public IFunction
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{
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public:
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static constexpr auto name = Name::name;
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static FunctionPtr create(const Context &) { return std::make_shared<FunctionBitmapSelfCardinalityImpl>(); }
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String getName() const override { return name; }
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bool isVariadic() const override { return false; }
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size_t getNumberOfArguments() const override { return 1; }
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DataTypePtr getReturnTypeImpl(const DataTypes & arguments) const override
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{
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auto bitmap_type = typeid_cast<const DataTypeAggregateFunction *>(arguments[0].get());
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if (!(bitmap_type && bitmap_type->getFunctionName() == AggregateFunctionGroupBitmapData<UInt32>::name()))
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throw Exception(
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"First argument for function " + getName() + " must be an bitmap but it has type " + arguments[0]->getName() + ".",
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ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
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return std::make_shared<DataTypeNumber<ToType>>();
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}
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bool useDefaultImplementationForConstants() const override { return true; }
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void executeImpl(Block & block, const ColumnNumbers & arguments, size_t result, size_t input_rows_count) override
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{
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auto col_to = ColumnVector<ToType>::create(input_rows_count);
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typename ColumnVector<ToType>::Container & vec_to = col_to->getData();
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const IDataType * from_type = block.getByPosition(arguments[0]).type.get();
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const DataTypeAggregateFunction * aggr_type = typeid_cast<const DataTypeAggregateFunction *>(from_type);
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WhichDataType which(aggr_type->getArgumentsDataTypes()[0]);
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if (which.isUInt8())
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executeIntType<UInt8>(block, arguments, input_rows_count, vec_to);
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else if (which.isUInt16())
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executeIntType<UInt16>(block, arguments, input_rows_count, vec_to);
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else if (which.isUInt32())
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executeIntType<UInt32>(block, arguments, input_rows_count, vec_to);
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else if (which.isUInt64())
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executeIntType<UInt64>(block, arguments, input_rows_count, vec_to);
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else
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throw Exception(
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"Unexpected type " + from_type->getName() + " of argument of function " + getName(), ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
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block.getByPosition(result).column = std::move(col_to);
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}
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private:
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using ToType = UInt64;
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template <typename T>
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void executeIntType(
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Block & block, const ColumnNumbers & arguments, size_t input_rows_count, typename ColumnVector<ToType>::Container & vec_to)
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{
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const ColumnAggregateFunction * column
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= typeid_cast<const ColumnAggregateFunction *>(block.getByPosition(arguments[0]).column.get());
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for (size_t i = 0; i < input_rows_count; ++i)
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{
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const AggregateFunctionGroupBitmapData<T> & bd1
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= *reinterpret_cast<const AggregateFunctionGroupBitmapData<T> *>(column->getData()[i]);
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vec_to[i] = bd1.rbs.size();
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}
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}
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};
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template <typename T>
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struct BitmapAndCardinalityImpl
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{
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using ReturnType = UInt64;
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static UInt64 apply(const AggregateFunctionGroupBitmapData<T> & bd1, const AggregateFunctionGroupBitmapData<T> & bd2)
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{
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// roaring_bitmap_and_cardinality( rb1, rb2 );
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return bd1.rbs.rb_and_cardinality(bd2.rbs);
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}
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};
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template <typename T>
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struct BitmapOrCardinalityImpl
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{
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using ReturnType = UInt64;
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static UInt64 apply(const AggregateFunctionGroupBitmapData<T> & bd1, const AggregateFunctionGroupBitmapData<T> & bd2)
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{
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// return roaring_bitmap_or_cardinality( rb1, rb2 );
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return bd1.rbs.rb_or_cardinality(bd2.rbs);
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}
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};
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template <typename T>
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struct BitmapXorCardinalityImpl
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{
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using ReturnType = UInt64;
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static UInt64 apply(const AggregateFunctionGroupBitmapData<T> & bd1, const AggregateFunctionGroupBitmapData<T> & bd2)
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{
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// return roaring_bitmap_xor_cardinality( rb1, rb2 );
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return bd1.rbs.rb_xor_cardinality(bd2.rbs);
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}
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};
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template <typename T>
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struct BitmapAndnotCardinalityImpl
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{
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using ReturnType = UInt64;
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static UInt64 apply(const AggregateFunctionGroupBitmapData<T> & bd1, const AggregateFunctionGroupBitmapData<T> & bd2)
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{
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// roaring_bitmap_andnot_cardinality( rb1, rb2 );
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return bd1.rbs.rb_andnot_cardinality(bd2.rbs);
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}
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};
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template <template <typename> class Impl, typename Name>
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class FunctionBitmapCardinality : public IFunction
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{
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public:
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static constexpr auto name = Name::name;
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static FunctionPtr create(const Context &) { return std::make_shared<FunctionBitmapCardinality>(); }
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String getName() const override { return name; }
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bool isVariadic() const override { return false; }
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size_t getNumberOfArguments() const override { return 2; }
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DataTypePtr getReturnTypeImpl(const DataTypes & arguments) const override
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{
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auto bitmap_type0 = typeid_cast<const DataTypeAggregateFunction *>(arguments[0].get());
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if (!(bitmap_type0 && bitmap_type0->getFunctionName() == AggregateFunctionGroupBitmapData<UInt32>::name()))
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throw Exception(
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"First argument for function " + getName() + " must be an bitmap but it has type " + arguments[0]->getName() + ".",
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ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
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auto bitmap_type1 = typeid_cast<const DataTypeAggregateFunction *>(arguments[1].get());
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if (!(bitmap_type1 && bitmap_type1->getFunctionName() == AggregateFunctionGroupBitmapData<UInt32>::name()))
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throw Exception(
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"Second argument for function " + getName() + " must be an bitmap but it has type " + arguments[1]->getName() + ".",
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ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
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return std::make_shared<DataTypeNumber<ToType>>();
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}
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bool useDefaultImplementationForConstants() const override { return true; }
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void executeImpl(Block & block, const ColumnNumbers & arguments, size_t result, size_t input_rows_count) override
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{
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auto col_to = ColumnVector<ToType>::create(input_rows_count);
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typename ColumnVector<ToType>::Container & vec_to = col_to->getData();
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const IDataType * from_type = block.getByPosition(arguments[0]).type.get();
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const DataTypeAggregateFunction * aggr_type = typeid_cast<const DataTypeAggregateFunction *>(from_type);
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WhichDataType which(aggr_type->getArgumentsDataTypes()[0]);
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if (which.isUInt8())
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executeIntType<UInt8>(block, arguments, input_rows_count, vec_to);
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else if (which.isUInt16())
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executeIntType<UInt16>(block, arguments, input_rows_count, vec_to);
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else if (which.isUInt32())
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executeIntType<UInt32>(block, arguments, input_rows_count, vec_to);
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else if (which.isUInt64())
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executeIntType<UInt64>(block, arguments, input_rows_count, vec_to);
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else
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throw Exception(
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"Unexpected type " + from_type->getName() + " of argument of function " + getName(), ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
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block.getByPosition(result).column = std::move(col_to);
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}
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private:
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using ToType = UInt64;
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template <typename T>
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void executeIntType(
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Block & block, const ColumnNumbers & arguments, size_t input_rows_count, typename ColumnVector<ToType>::Container & vec_to)
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{
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const ColumnAggregateFunction * columns[2];
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for (size_t i = 0; i < 2; ++i)
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columns[i] = typeid_cast<const ColumnAggregateFunction *>(block.getByPosition(arguments[i]).column.get());
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for (size_t i = 0; i < input_rows_count; ++i)
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{
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const AggregateFunctionGroupBitmapData<T> & bd1
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= *reinterpret_cast<const AggregateFunctionGroupBitmapData<T> *>(columns[0]->getData()[i]);
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const AggregateFunctionGroupBitmapData<T> & bd2
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= *reinterpret_cast<const AggregateFunctionGroupBitmapData<T> *>(columns[1]->getData()[i]);
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vec_to[i] = Impl<T>::apply(bd1, bd2);
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}
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}
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};
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template <typename T>
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struct BitmapAndImpl
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{
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static void apply(AggregateFunctionGroupBitmapData<T> & toBd, const AggregateFunctionGroupBitmapData<T> & bd2)
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{
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toBd.rbs.rb_and(bd2.rbs);
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}
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};
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template <typename T>
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struct BitmapOrImpl
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{
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static void apply(AggregateFunctionGroupBitmapData<T> & toBd, const AggregateFunctionGroupBitmapData<T> & bd2)
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{
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toBd.rbs.rb_or(bd2.rbs);
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}
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};
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template <typename T>
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struct BitmapXorImpl
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{
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static void apply(AggregateFunctionGroupBitmapData<T> & toBd, const AggregateFunctionGroupBitmapData<T> & bd2)
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{
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toBd.rbs.rb_xor(bd2.rbs);
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}
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};
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template <typename T>
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struct BitmapAndnotImpl
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{
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static void apply(AggregateFunctionGroupBitmapData<T> & toBd, const AggregateFunctionGroupBitmapData<T> & bd2)
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{
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toBd.rbs.rb_andnot(bd2.rbs);
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}
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};
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template <template <typename> class Impl, typename Name>
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class FunctionBitmap : public IFunction
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{
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public:
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static constexpr auto name = Name::name;
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static FunctionPtr create(const Context &) { return std::make_shared<FunctionBitmap>(); }
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String getName() const override { return name; }
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bool isVariadic() const override { return false; }
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|
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size_t getNumberOfArguments() const override { return 2; }
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DataTypePtr getReturnTypeImpl(const DataTypes & arguments) const override
|
|
{
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auto bitmap_type0 = typeid_cast<const DataTypeAggregateFunction *>(arguments[0].get());
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if (!(bitmap_type0 && bitmap_type0->getFunctionName() == AggregateFunctionGroupBitmapData<UInt32>::name()))
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throw Exception(
|
|
"First argument for function " + getName() + " must be an bitmap but it has type " + arguments[0]->getName() + ".",
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ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
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|
|
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auto bitmap_type1 = typeid_cast<const DataTypeAggregateFunction *>(arguments[1].get());
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if (!(bitmap_type1 && bitmap_type1->getFunctionName() == AggregateFunctionGroupBitmapData<UInt32>::name()))
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|
throw Exception(
|
|
"Second argument for function " + getName() + " must be an bitmap but it has type " + arguments[1]->getName() + ".",
|
|
ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
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|
return arguments[0];
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|
}
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|
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bool useDefaultImplementationForConstants() const override { return true; }
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|
|
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void executeImpl(Block & block, const ColumnNumbers & arguments, size_t result, size_t input_rows_count) override
|
|
{
|
|
const IDataType * from_type = block.getByPosition(arguments[0]).type.get();
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|
const DataTypeAggregateFunction * aggr_type = typeid_cast<const DataTypeAggregateFunction *>(from_type);
|
|
WhichDataType which(aggr_type->getArgumentsDataTypes()[0]);
|
|
if (which.isUInt8())
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|
executeBitmapData<UInt8>(block, arguments, result, input_rows_count);
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|
else if (which.isUInt16())
|
|
executeBitmapData<UInt16>(block, arguments, result, input_rows_count);
|
|
else if (which.isUInt32())
|
|
executeBitmapData<UInt32>(block, arguments, result, input_rows_count);
|
|
else if (which.isUInt64())
|
|
executeBitmapData<UInt64>(block, arguments, result, input_rows_count);
|
|
else
|
|
throw Exception(
|
|
"Unexpected type " + from_type->getName() + " of argument of function " + getName(), ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
|
|
}
|
|
|
|
private:
|
|
template <typename T>
|
|
void executeBitmapData(Block & block, const ColumnNumbers & arguments, size_t result, size_t input_rows_count)
|
|
{
|
|
const ColumnAggregateFunction * columns[2];
|
|
for (size_t i = 0; i < 2; ++i)
|
|
columns[i] = typeid_cast<const ColumnAggregateFunction *>(block.getByPosition(arguments[i]).column.get());
|
|
|
|
auto col_to = ColumnAggregateFunction::create(columns[0]->getAggregateFunction());
|
|
|
|
col_to->reserve(input_rows_count);
|
|
|
|
for (size_t i = 0; i < input_rows_count; ++i)
|
|
{
|
|
col_to->insertFrom(columns[0]->getData()[i]);
|
|
AggregateFunctionGroupBitmapData<T> & toBd = *reinterpret_cast<AggregateFunctionGroupBitmapData<T> *>(col_to->getData()[i]);
|
|
const AggregateFunctionGroupBitmapData<T> & bd2
|
|
= *reinterpret_cast<const AggregateFunctionGroupBitmapData<T> *>(columns[1]->getData()[i]);
|
|
Impl<T>::apply(toBd, bd2);
|
|
}
|
|
block.getByPosition(result).column = std::move(col_to);
|
|
}
|
|
};
|
|
|
|
struct NameBitmapBuild
|
|
{
|
|
static constexpr auto name = "bitmapBuild";
|
|
};
|
|
using FunctionBitmapBuild = FunctionBitmapBuildImpl<NameBitmapBuild>;
|
|
|
|
struct NameBitmapToArray
|
|
{
|
|
static constexpr auto name = "bitmapToArray";
|
|
};
|
|
using FunctionBitmapToArray = FunctionBitmapToArrayImpl<NameBitmapToArray>;
|
|
|
|
struct NameBitmapCardinality
|
|
{
|
|
static constexpr auto name = "bitmapCardinality";
|
|
};
|
|
struct NameBitmapAndCardinality
|
|
{
|
|
static constexpr auto name = "bitmapAndCardinality";
|
|
};
|
|
struct NameBitmapOrCardinality
|
|
{
|
|
static constexpr auto name = "bitmapOrCardinality";
|
|
};
|
|
struct NameBitmapXorCardinality
|
|
{
|
|
static constexpr auto name = "bitmapXorCardinality";
|
|
};
|
|
struct NameBitmapAndnotCardinality
|
|
{
|
|
static constexpr auto name = "bitmapAndnotCardinality";
|
|
};
|
|
|
|
using FunctionBitmapSelfCardinality = FunctionBitmapSelfCardinalityImpl<NameBitmapCardinality>;
|
|
using FunctionBitmapAndCardinality = FunctionBitmapCardinality<BitmapAndCardinalityImpl, NameBitmapAndCardinality>;
|
|
using FunctionBitmapOrCardinality = FunctionBitmapCardinality<BitmapOrCardinalityImpl, NameBitmapOrCardinality>;
|
|
using FunctionBitmapXorCardinality = FunctionBitmapCardinality<BitmapXorCardinalityImpl, NameBitmapXorCardinality>;
|
|
using FunctionBitmapAndnotCardinality = FunctionBitmapCardinality<BitmapAndnotCardinalityImpl, NameBitmapAndnotCardinality>;
|
|
|
|
struct NameBitmapAnd
|
|
{
|
|
static constexpr auto name = "bitmapAnd";
|
|
};
|
|
struct NameBitmapOr
|
|
{
|
|
static constexpr auto name = "bitmapOr";
|
|
};
|
|
struct NameBitmapXor
|
|
{
|
|
static constexpr auto name = "bitmapXor";
|
|
};
|
|
struct NameBitmapAndnot
|
|
{
|
|
static constexpr auto name = "bitmapAndnot";
|
|
};
|
|
using FunctionBitmapAnd = FunctionBitmap<BitmapAndImpl, NameBitmapAnd>;
|
|
using FunctionBitmapOr = FunctionBitmap<BitmapOrImpl, NameBitmapOr>;
|
|
using FunctionBitmapXor = FunctionBitmap<BitmapXorImpl, NameBitmapXor>;
|
|
using FunctionBitmapAndnot = FunctionBitmap<BitmapAndnotImpl, NameBitmapAndnot>;
|
|
|
|
|
|
}
|