| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| **/ |
| |
| #ifndef QUICKSTEP_TYPES_OPERATIONS_BINARY_OPERATIONS_ARITHMETIC_BINARY_OPERATION_HPP_ |
| #define QUICKSTEP_TYPES_OPERATIONS_BINARY_OPERATIONS_ARITHMETIC_BINARY_OPERATION_HPP_ |
| |
| #include <string> |
| |
| #include "types/DoubleType.hpp" |
| #include "types/FloatType.hpp" |
| #include "types/IntType.hpp" |
| #include "types/LongType.hpp" |
| #include "types/NumericTypeUnifier.hpp" |
| #include "types/Type.hpp" |
| #include "types/TypeErrors.hpp" |
| #include "types/TypeFactory.hpp" |
| #include "types/TypeID.hpp" |
| #include "types/TypedValue.hpp" |
| #include "types/operations/binary_operations/BinaryOperation.hpp" |
| #include "types/operations/binary_operations/BinaryOperationID.hpp" |
| #include "utility/Macros.hpp" |
| |
| #include "glog/logging.h" |
| |
| namespace quickstep { |
| |
| /** \addtogroup Types |
| * @{ |
| */ |
| |
| /** |
| * @brief A BinaryOperation which applies to and yields values |
| * including numeric, datetime, and intervals. |
| **/ |
| class ArithmeticBinaryOperation : public BinaryOperation { |
| protected: |
| explicit ArithmeticBinaryOperation(const BinaryOperationID operation_id) |
| : BinaryOperation(operation_id) { |
| } |
| |
| template <template <typename LeftCppType, typename RightCppType> class OperationFunctor> |
| TypedValue applyToCheckedIntegerHelper(const TypedValue &left, |
| const Type &left_type, |
| const TypedValue &right, |
| const Type &right_type) const; |
| |
| template <template <typename LeftCppType, typename RightCppType> class OperationFunctor> |
| TypedValue applyToCheckedNumericHelper(const TypedValue &left, |
| const Type &left_type, |
| const TypedValue &right, |
| const Type &right_type) const; |
| |
| template <template <class ResultType, |
| typename LeftCppType, bool left_nullable, |
| typename RightCppType, bool right_nullable> class OperatorType> |
| UncheckedBinaryOperator* makeIntegerBinaryOperatorOuterHelper(const Type &left, |
| const Type &right) const; |
| |
| template <template <class ResultType, |
| typename LeftCppType, bool left_nullable, |
| typename RightCppType, bool right_nullable> class OperatorType, |
| typename LeftType, bool left_nullable> |
| UncheckedBinaryOperator* makeIntegerBinaryOperatorInnerHelper(const Type &left, |
| const Type &right) const; |
| |
| template <template <class ResultType, |
| typename LeftCppType, bool left_nullable, |
| typename RightCppType, bool right_nullable> class OperatorType> |
| UncheckedBinaryOperator* makeNumericBinaryOperatorOuterHelper(const Type &left, |
| const Type &right) const; |
| |
| template <template <class ResultType, |
| typename LeftCppType, bool left_nullable, |
| typename RightCppType, bool right_nullable> class OperatorType, |
| typename LeftType, bool left_nullable> |
| UncheckedBinaryOperator* makeNumericBinaryOperatorInnerHelper(const Type &left, |
| const Type &right) const; |
| |
| template <template <typename ResultType, |
| typename LeftCppType, bool left_nullable, |
| typename RightCppType, bool right_nullable> class OperatorType, |
| typename ResultType, |
| typename LeftCppType, |
| typename RightCppType> |
| UncheckedBinaryOperator* makeDateBinaryOperatorOuterHelper(const Type &left, |
| const Type &right) const; |
| |
| template <template <typename ResultType, |
| typename LeftCppType, bool left_nullable, |
| typename RightCppType, bool right_nullable> class OperatorType, |
| typename ResultType, |
| typename LeftCppType, |
| bool left_nullable, |
| typename RightCppType> |
| UncheckedBinaryOperator* makeDateBinaryOperatorInnerHelper(const Type &right) const; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(ArithmeticBinaryOperation); |
| }; |
| |
| /** @} */ |
| |
| // ---------------------------------------------------------------------------- |
| // Templated method implementations follow: |
| |
| template <template <typename LeftCppType, typename RightCppType> class OperationFunctor> |
| TypedValue ArithmeticBinaryOperation::applyToCheckedIntegerHelper( |
| const TypedValue &left, |
| const Type &left_type, |
| const TypedValue &right, |
| const Type &right_type) const { |
| DCHECK(left_type.getTypeID() == TypeID::kInt |
| || left_type.getTypeID() == TypeID::kLong); |
| DCHECK(right_type.getTypeID() == TypeID::kInt |
| || right_type.getTypeID() == TypeID::kLong); |
| |
| const Type *unifier = TypeFactory::GetUnifyingType(left_type, right_type); |
| DCHECK(unifier != nullptr); |
| |
| if (left.isNull() || right.isNull()) { |
| return unifier->makeNullValue(); |
| } |
| |
| const TypedValue left_coerced = unifier->coerceValue(left, left_type); |
| const TypedValue right_coerced = unifier->coerceValue(right, right_type); |
| |
| switch (unifier->getTypeID()) { |
| case kInt: { |
| OperationFunctor<IntType::cpptype, IntType::cpptype> operation_functor; |
| return TypedValue(operation_functor(left_coerced.getLiteral<IntType::cpptype>(), |
| right_coerced.getLiteral<IntType::cpptype>())); |
| } |
| case kLong: { |
| OperationFunctor<LongType::cpptype, LongType::cpptype> operation_functor; |
| return TypedValue(operation_functor(left_coerced.getLiteral<LongType::cpptype>(), |
| right_coerced.getLiteral<LongType::cpptype>())); |
| } |
| default: { |
| LOG(FATAL) << "Can not apply " << getName() << " to arguments of types " |
| << left_type.getName() << " and " << right_type.getName(); |
| } |
| } |
| |
| QUICKSTEP_UNREACHABLE(); |
| } |
| |
| template <template <typename LeftCppType, typename RightCppType> class OperationFunctor> |
| TypedValue ArithmeticBinaryOperation::applyToCheckedNumericHelper( |
| const TypedValue &left, |
| const Type &left_type, |
| const TypedValue &right, |
| const Type &right_type) const { |
| DCHECK_EQ(Type::kNumeric, left_type.getSuperTypeID()); |
| DCHECK_EQ(Type::kNumeric, right_type.getSuperTypeID()); |
| |
| const Type *unifier = TypeFactory::GetUnifyingType(left_type, right_type); |
| DCHECK(unifier != nullptr); |
| |
| if (left.isNull() || right.isNull()) { |
| return unifier->makeNullValue(); |
| } |
| |
| const TypedValue left_coerced = unifier->coerceValue(left, left_type); |
| const TypedValue right_coerced = unifier->coerceValue(right, right_type); |
| |
| switch (unifier->getTypeID()) { |
| case kInt: { |
| OperationFunctor<IntType::cpptype, IntType::cpptype> operation_functor; |
| return TypedValue(operation_functor(left_coerced.getLiteral<IntType::cpptype>(), |
| right_coerced.getLiteral<IntType::cpptype>())); |
| } |
| case kLong: { |
| OperationFunctor<LongType::cpptype, LongType::cpptype> operation_functor; |
| return TypedValue(operation_functor(left_coerced.getLiteral<LongType::cpptype>(), |
| right_coerced.getLiteral<LongType::cpptype>())); |
| } |
| case kFloat: { |
| OperationFunctor<FloatType::cpptype, FloatType::cpptype> operation_functor; |
| return TypedValue(operation_functor(left_coerced.getLiteral<FloatType::cpptype>(), |
| right_coerced.getLiteral<FloatType::cpptype>())); |
| } |
| case kDouble: { |
| OperationFunctor<DoubleType::cpptype, DoubleType::cpptype> operation_functor; |
| return TypedValue(operation_functor(left_coerced.getLiteral<DoubleType::cpptype>(), |
| right_coerced.getLiteral<DoubleType::cpptype>())); |
| } |
| default: { |
| LOG(FATAL) << "Can not apply " << getName() << " to arguments of types " |
| << left_type.getName() << " and " << right_type.getName(); |
| } |
| } |
| |
| QUICKSTEP_UNREACHABLE(); |
| } |
| |
| template <template <class ResultType, |
| typename LeftCppType, bool left_nullable, |
| typename RightCppType, bool right_nullable> class OperatorType> |
| UncheckedBinaryOperator* ArithmeticBinaryOperation::makeIntegerBinaryOperatorOuterHelper( |
| const Type &left, |
| const Type &right) const { |
| switch (left.getTypeID()) { |
| case kInt: |
| if (left.isNullable()) { |
| return makeIntegerBinaryOperatorInnerHelper<OperatorType, IntType, true>( |
| left, right); |
| } else { |
| return makeIntegerBinaryOperatorInnerHelper<OperatorType, IntType, false>( |
| left, right); |
| } |
| case kLong: |
| if (left.isNullable()) { |
| return makeIntegerBinaryOperatorInnerHelper<OperatorType, LongType, true>( |
| left, right); |
| } else { |
| return makeIntegerBinaryOperatorInnerHelper<OperatorType, LongType, false>( |
| left, right); |
| } |
| default: |
| throw OperationInapplicableToType(getName(), 2, left.getName().c_str(), right.getName().c_str()); |
| } |
| } |
| |
| template <template <class ResultType, |
| typename LeftCppType, bool left_nullable, |
| typename RightCppType, bool right_nullable> class OperatorType, |
| typename LeftType, bool left_nullable> |
| UncheckedBinaryOperator* ArithmeticBinaryOperation::makeIntegerBinaryOperatorInnerHelper( |
| const Type &left, |
| const Type &right) const { |
| switch (right.getTypeID()) { |
| case kInt: |
| if (right.isNullable()) { |
| return new OperatorType<typename NumericTypeUnifier<LeftType, IntType>::type, |
| typename LeftType::cpptype, left_nullable, |
| typename IntType::cpptype, true>(); |
| } else { |
| return new OperatorType<typename NumericTypeUnifier<LeftType, IntType>::type, |
| typename LeftType::cpptype, left_nullable, |
| typename IntType::cpptype, false>(); |
| } |
| case kLong: |
| if (right.isNullable()) { |
| return new OperatorType<typename NumericTypeUnifier<LeftType, LongType>::type, |
| typename LeftType::cpptype, left_nullable, |
| typename LongType::cpptype, true>(); |
| } else { |
| return new OperatorType<typename NumericTypeUnifier<LeftType, LongType>::type, |
| typename LeftType::cpptype, left_nullable, |
| typename LongType::cpptype, false>(); |
| } |
| default: |
| throw OperationInapplicableToType(getName(), 2, left.getName().c_str(), right.getName().c_str()); |
| } |
| } |
| |
| template <template <class ResultType, |
| typename LeftCppType, bool left_nullable, |
| typename RightCppType, bool right_nullable> class OperatorType> |
| UncheckedBinaryOperator* ArithmeticBinaryOperation::makeNumericBinaryOperatorOuterHelper( |
| const Type &left, |
| const Type &right) const { |
| switch (left.getTypeID()) { |
| case kInt: |
| if (left.isNullable()) { |
| return makeNumericBinaryOperatorInnerHelper<OperatorType, IntType, true>( |
| left, right); |
| } else { |
| return makeNumericBinaryOperatorInnerHelper<OperatorType, IntType, false>( |
| left, right); |
| } |
| case kLong: |
| if (left.isNullable()) { |
| return makeNumericBinaryOperatorInnerHelper<OperatorType, LongType, true>( |
| left, right); |
| } else { |
| return makeNumericBinaryOperatorInnerHelper<OperatorType, LongType, false>( |
| left, right); |
| } |
| case kFloat: |
| if (left.isNullable()) { |
| return makeNumericBinaryOperatorInnerHelper<OperatorType, FloatType, true>( |
| left, right); |
| } else { |
| return makeNumericBinaryOperatorInnerHelper<OperatorType, FloatType, false>( |
| left, right); |
| } |
| case kDouble: |
| if (left.isNullable()) { |
| return makeNumericBinaryOperatorInnerHelper<OperatorType, DoubleType, true>( |
| left, right); |
| } else { |
| return makeNumericBinaryOperatorInnerHelper<OperatorType, DoubleType, false>( |
| left, right); |
| } |
| default: |
| throw OperationInapplicableToType(getName(), 2, left.getName().c_str(), right.getName().c_str()); |
| } |
| } |
| |
| template <template <class ResultType, |
| typename LeftCppType, bool left_nullable, |
| typename RightCppType, bool right_nullable> class OperatorType, |
| typename LeftType, bool left_nullable> |
| UncheckedBinaryOperator* ArithmeticBinaryOperation::makeNumericBinaryOperatorInnerHelper( |
| const Type &left, |
| const Type &right) const { |
| switch (right.getTypeID()) { |
| case kInt: |
| if (right.isNullable()) { |
| return new OperatorType<typename NumericTypeUnifier<LeftType, IntType>::type, |
| typename LeftType::cpptype, left_nullable, |
| typename IntType::cpptype, true>(); |
| } else { |
| return new OperatorType<typename NumericTypeUnifier<LeftType, IntType>::type, |
| typename LeftType::cpptype, left_nullable, |
| typename IntType::cpptype, false>(); |
| } |
| case kLong: |
| if (right.isNullable()) { |
| return new OperatorType<typename NumericTypeUnifier<LeftType, LongType>::type, |
| typename LeftType::cpptype, left_nullable, |
| typename LongType::cpptype, true>(); |
| } else { |
| return new OperatorType<typename NumericTypeUnifier<LeftType, LongType>::type, |
| typename LeftType::cpptype, left_nullable, |
| typename LongType::cpptype, false>(); |
| } |
| case kFloat: |
| if (right.isNullable()) { |
| return new OperatorType<typename NumericTypeUnifier<LeftType, FloatType>::type, |
| typename LeftType::cpptype, left_nullable, |
| typename FloatType::cpptype, true>(); |
| } else { |
| return new OperatorType<typename NumericTypeUnifier<LeftType, FloatType>::type, |
| typename LeftType::cpptype, left_nullable, |
| typename FloatType::cpptype, false>(); |
| } |
| case kDouble: |
| if (right.isNullable()) { |
| return new OperatorType<typename NumericTypeUnifier<LeftType, DoubleType>::type, |
| typename LeftType::cpptype, left_nullable, |
| typename DoubleType::cpptype, true>(); |
| } else { |
| return new OperatorType<typename NumericTypeUnifier<LeftType, DoubleType>::type, |
| typename LeftType::cpptype, left_nullable, |
| typename DoubleType::cpptype, false>(); |
| } |
| default: |
| throw OperationInapplicableToType(getName(), 2, left.getName().c_str(), right.getName().c_str()); |
| } |
| } |
| |
| template <template <typename ResultType, |
| typename LeftCppType, bool left_nullable, |
| typename RightCppType, bool right_nullable> class OperatorType, |
| typename ResultType, |
| typename LeftCppType, |
| typename RightCppType> |
| UncheckedBinaryOperator* ArithmeticBinaryOperation::makeDateBinaryOperatorOuterHelper( |
| const Type &left, |
| const Type &right) const { |
| if (left.isNullable()) { |
| return makeDateBinaryOperatorInnerHelper<OperatorType, ResultType, LeftCppType, true, RightCppType>(right); |
| } else { |
| return makeDateBinaryOperatorInnerHelper<OperatorType, ResultType, LeftCppType, false, RightCppType>(right); |
| } |
| } |
| |
| template <template <typename ResultType, |
| typename LeftCppType, bool left_nullable, |
| typename RightCppType, bool right_nullable> class OperatorType, |
| typename ResultType, |
| typename LeftCppType, |
| bool left_nullable, |
| typename RightCppType> |
| UncheckedBinaryOperator* ArithmeticBinaryOperation::makeDateBinaryOperatorInnerHelper( |
| const Type &right) const { |
| if (right.isNullable()) { |
| return new OperatorType<ResultType, LeftCppType, left_nullable, RightCppType, true>(); |
| } else { |
| return new OperatorType<ResultType, LeftCppType, left_nullable, RightCppType, false>(); |
| } |
| } |
| |
| } // namespace quickstep |
| |
| #endif // QUICKSTEP_TYPES_OPERATIONS_BINARY_OPERATIONS_ARITHMETIC_BINARY_OPERATION_HPP_ |
