| /** |
| * 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_UNARY_OPERATIONS_DATE_EXTRACT_OPERATION_HPP_ |
| #define QUICKSTEP_TYPES_OPERATIONS_UNARY_OPERATIONS_DATE_EXTRACT_OPERATION_HPP_ |
| |
| #include <cstdint> |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| #include "catalog/CatalogTypedefs.hpp" |
| #include "storage/StorageBlockInfo.hpp" |
| #include "types/LongType.hpp" |
| #include "types/Type.hpp" |
| #include "types/TypeID.hpp" |
| #include "types/TypedValue.hpp" |
| #include "types/operations/Operation.pb.h" |
| #include "types/operations/unary_operations/UnaryOperation.hpp" |
| #include "types/operations/unary_operations/UnaryOperationID.hpp" |
| #include "utility/Macros.hpp" |
| |
| namespace quickstep { |
| |
| class ColumnVector; |
| class ValueAccessor; |
| |
| struct DatetimeLit; |
| |
| /** \addtogroup Types |
| * @{ |
| */ |
| |
| enum class DateExtractUnit { |
| kYear = 0, |
| kMonth, |
| kDay, |
| kHour, |
| kMinute, |
| kSecond |
| }; |
| |
| /** |
| * @brief UncheckedUnaryOperator for Datetime Extract. |
| */ |
| template <DateExtractUnit unit, bool argument_nullable> |
| class DatetimeExtractUncheckedOperator : public UncheckedUnaryOperator { |
| public: |
| DatetimeExtractUncheckedOperator() |
| : UncheckedUnaryOperator() {} |
| |
| TypedValue applyToTypedValue(const TypedValue &argument) const override; |
| |
| TypedValue applyToDataPtr(const void *argument) const override; |
| |
| ColumnVector* applyToColumnVector(const ColumnVector &argument) const override; |
| |
| #ifdef QUICKSTEP_ENABLE_VECTOR_COPY_ELISION_SELECTION |
| ColumnVector* applyToValueAccessor(ValueAccessor *accessor, |
| const attribute_id argument_attr_id) const override; |
| #endif // QUICKSTEP_ENABLE_VECTOR_COPY_ELISION_SELECTION |
| |
| #ifdef QUICKSTEP_ENABLE_VECTOR_COPY_ELISION_JOIN |
| ColumnVector* applyToValueAccessorForJoin( |
| ValueAccessor *accessor, |
| const bool use_left_relation, |
| const attribute_id argument_attr_id, |
| const std::vector<std::pair<tuple_id, tuple_id>> &joined_tuple_ids) const override; |
| #endif // QUICKSTEP_ENABLE_VECTOR_COPY_ELISION_JOIN |
| |
| private: |
| inline std::int64_t dateExtract(const DatetimeLit &argument) const; |
| |
| DISALLOW_COPY_AND_ASSIGN(DatetimeExtractUncheckedOperator); |
| }; |
| |
| /** |
| * @brief UncheckedUnaryOperator for Date Extract. |
| */ |
| template <DateExtractUnit unit, bool argument_nullable> |
| class DateExtractUncheckedOperator : public UncheckedUnaryOperator { |
| public: |
| DateExtractUncheckedOperator() |
| : UncheckedUnaryOperator() {} |
| |
| TypedValue applyToTypedValue(const TypedValue &argument) const override; |
| |
| TypedValue applyToDataPtr(const void *argument) const override; |
| |
| ColumnVector* applyToColumnVector(const ColumnVector &argument) const override; |
| |
| #ifdef QUICKSTEP_ENABLE_VECTOR_COPY_ELISION_SELECTION |
| ColumnVector* applyToValueAccessor(ValueAccessor *accessor, |
| const attribute_id argument_attr_id) const override; |
| #endif // QUICKSTEP_ENABLE_VECTOR_COPY_ELISION_SELECTION |
| |
| #ifdef QUICKSTEP_ENABLE_VECTOR_COPY_ELISION_JOIN |
| ColumnVector* applyToValueAccessorForJoin( |
| ValueAccessor *accessor, |
| const bool use_left_relation, |
| const attribute_id argument_attr_id, |
| const std::vector<std::pair<tuple_id, tuple_id>> &joined_tuple_ids) const override; |
| #endif // QUICKSTEP_ENABLE_VECTOR_COPY_ELISION_JOIN |
| |
| private: |
| inline std::int32_t dateExtract(const DateLit &argument) const; |
| |
| DISALLOW_COPY_AND_ASSIGN(DateExtractUncheckedOperator); |
| }; |
| |
| /** |
| * @brief UnaryOperation for Extract. |
| */ |
| class DateExtractOperation : public UnaryOperation { |
| public: |
| /** |
| * @brief Get a reference to the singleton instance of this Operation for a |
| * particular DateExtractUnit. |
| * |
| * @param unit The date unit to extract. |
| * @return A reference to the singleton instance of this Operation for the |
| * specified DateExtractUnit. |
| **/ |
| static const DateExtractOperation& Instance(const DateExtractUnit unit); |
| |
| serialization::UnaryOperation getProto() const override; |
| |
| std::string getName() const override; |
| |
| bool canApplyToType(const Type &type) const override { |
| return type.getTypeID() == TypeID::kDatetime || type.getTypeID() == kDate; |
| } |
| |
| const Type* resultTypeForArgumentType(const Type &type) const override; |
| |
| const Type* fixedNullableResultType() const override { |
| return nullptr; |
| } |
| |
| bool resultTypeIsPlausible(const Type &result_type) const override { |
| return result_type.getTypeID() == kLong || result_type.getTypeID() == kInt; |
| } |
| |
| const Type* pushDownTypeHint(const Type *type_hint) const override; |
| |
| TypedValue applyToChecked(const TypedValue &argument, |
| const Type &argument_type) const override; |
| |
| UncheckedUnaryOperator* makeUncheckedUnaryOperatorForType(const Type &type) const override { |
| DCHECK(canApplyToType(type)); |
| |
| return makeUncheckedUnaryOperatorForTypeHelper(type); |
| } |
| |
| private: |
| explicit DateExtractOperation(const DateExtractUnit unit) |
| : UnaryOperation(UnaryOperationID::kDateExtract), |
| unit_(unit) {} |
| |
| UncheckedUnaryOperator* makeUncheckedUnaryOperatorForTypeHelper(const Type &type) const; |
| |
| const DateExtractUnit unit_; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(DateExtractOperation); |
| }; |
| |
| /** @} */ |
| |
| } // namespace quickstep |
| |
| #endif /* QUICKSTEP_TYPES_OPERATIONS_UNARY_OPERATIONS_DATE_EXTRACT_OPERATION_HPP_ */ |