| /** |
| * 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. |
| **/ |
| |
| #include "expressions/scalar/ScalarUnaryExpression.hpp" |
| |
| #include <memory> |
| #include <string> |
| #include <type_traits> |
| #include <utility> |
| #include <vector> |
| |
| #include "catalog/CatalogTypedefs.hpp" |
| #include "expressions/Expressions.pb.h" |
| #include "storage/ValueAccessor.hpp" |
| #include "types/Type.hpp" |
| #include "types/TypeErrors.hpp" |
| #include "types/TypedValue.hpp" |
| #include "types/containers/ColumnVector.hpp" |
| #include "types/operations/Operation.pb.h" |
| #include "types/operations/unary_operations/UnaryOperation.hpp" |
| #include "types/operations/unary_operations/UnaryOperationID.hpp" |
| |
| #ifdef QUICKSTEP_ENABLE_VECTOR_COPY_ELISION_JOIN |
| #include "glog/logging.h" |
| #endif // QUICKSTEP_ENABLE_VECTOR_COPY_ELISION_JOIN |
| |
| namespace quickstep { |
| |
| struct SubBlocksReference; |
| |
| ScalarUnaryExpression::ScalarUnaryExpression(const UnaryOperation &operation, |
| Scalar *operand) |
| : Scalar(*operation.resultTypeForArgumentType(operand->getType())), |
| operation_(operation), |
| operand_(operand) { |
| initHelper(false); |
| } |
| |
| serialization::Scalar ScalarUnaryExpression::getProto() const { |
| serialization::Scalar proto; |
| proto.set_data_source(serialization::Scalar::UNARY_EXPRESSION); |
| proto.MutableExtension(serialization::ScalarUnaryExpression::operation)->CopyFrom(operation_.getProto()); |
| proto.MutableExtension(serialization::ScalarUnaryExpression::operand)->CopyFrom(operand_->getProto()); |
| |
| return proto; |
| } |
| |
| Scalar* ScalarUnaryExpression::clone() const { |
| return new ScalarUnaryExpression(operation_, operand_->clone()); |
| } |
| |
| TypedValue ScalarUnaryExpression::getValueForSingleTuple(const ValueAccessor &accessor, |
| const tuple_id tuple) const { |
| if (fast_operator_.get() == nullptr) { |
| return static_value_.makeReferenceToThis(); |
| } else { |
| return fast_operator_->applyToTypedValue(operand_->getValueForSingleTuple(accessor, tuple)); |
| } |
| } |
| |
| TypedValue ScalarUnaryExpression::getValueForJoinedTuples( |
| const ValueAccessor &left_accessor, |
| const relation_id left_relation_id, |
| const tuple_id left_tuple_id, |
| const ValueAccessor &right_accessor, |
| const relation_id right_relation_id, |
| const tuple_id right_tuple_id) const { |
| if (fast_operator_.get() == nullptr) { |
| return static_value_.makeReferenceToThis(); |
| } else { |
| return fast_operator_->applyToTypedValue(operand_->getValueForJoinedTuples(left_accessor, |
| left_relation_id, |
| left_tuple_id, |
| right_accessor, |
| right_relation_id, |
| right_tuple_id)); |
| } |
| } |
| |
| ColumnVectorPtr ScalarUnaryExpression::getAllValues( |
| ValueAccessor *accessor, |
| const SubBlocksReference *sub_blocks_ref, |
| ColumnVectorCache *cv_cache) const { |
| if (fast_operator_.get() == nullptr) { |
| return ColumnVectorPtr( |
| ColumnVector::MakeVectorOfValue(getType(), |
| static_value_, |
| accessor->getNumTuplesVirtual())); |
| } else { |
| #ifdef QUICKSTEP_ENABLE_VECTOR_COPY_ELISION_SELECTION |
| const attribute_id operand_attr_id = operand_->getAttributeIdForValueAccessor(); |
| if (operand_attr_id != -1) { |
| return ColumnVectorPtr( |
| fast_operator_->applyToValueAccessor(accessor, operand_attr_id)); |
| } |
| #endif // QUICKSTEP_ENABLE_VECTOR_COPY_ELISION_SELECTION |
| |
| ColumnVectorPtr operand_result( |
| operand_->getAllValues(accessor, sub_blocks_ref, cv_cache)); |
| return ColumnVectorPtr( |
| fast_operator_->applyToColumnVector(*operand_result)); |
| } |
| } |
| |
| ColumnVectorPtr ScalarUnaryExpression::getAllValuesForJoin( |
| const relation_id left_relation_id, |
| ValueAccessor *left_accessor, |
| const relation_id right_relation_id, |
| ValueAccessor *right_accessor, |
| const std::vector<std::pair<tuple_id, tuple_id>> &joined_tuple_ids, |
| ColumnVectorCache *cv_cache) const { |
| if (fast_operator_.get() == nullptr) { |
| return ColumnVectorPtr( |
| ColumnVector::MakeVectorOfValue(getType(), |
| static_value_, |
| joined_tuple_ids.size())); |
| } else { |
| #ifdef QUICKSTEP_ENABLE_VECTOR_COPY_ELISION_JOIN |
| const attribute_id operand_attr_id = operand_->getAttributeIdForValueAccessor(); |
| if (operand_attr_id != -1) { |
| const relation_id operand_relation_id = operand_->getRelationIdForValueAccessor(); |
| DCHECK_NE(operand_relation_id, -1); |
| DCHECK((operand_relation_id == left_relation_id) |
| || (operand_relation_id == right_relation_id)); |
| const bool using_left_relation = (operand_relation_id == left_relation_id); |
| ValueAccessor *operand_accessor = using_left_relation ? left_accessor |
| : right_accessor; |
| return ColumnVectorPtr( |
| fast_operator_->applyToValueAccessorForJoin(operand_accessor, |
| using_left_relation, |
| operand_attr_id, |
| joined_tuple_ids)); |
| } |
| #endif // QUICKSTEP_ENABLE_VECTOR_COPY_ELISION_JOIN |
| |
| ColumnVectorPtr operand_result( |
| operand_->getAllValuesForJoin(left_relation_id, |
| left_accessor, |
| right_relation_id, |
| right_accessor, |
| joined_tuple_ids, |
| cv_cache)); |
| return ColumnVectorPtr( |
| fast_operator_->applyToColumnVector(*operand_result)); |
| } |
| } |
| |
| void ScalarUnaryExpression::initHelper(bool own_children) { |
| if (operation_.canApplyToType(operand_->getType())) { |
| if (operand_->hasStaticValue()) { |
| static_value_ = operation_.applyToChecked(operand_->getStaticValue(), |
| operand_->getType()); |
| } else { |
| fast_operator_.reset(operation_.makeUncheckedUnaryOperatorForType(operand_->getType())); |
| } |
| } else { |
| const Type &operand_type = operand_->getType(); |
| if (!own_children) { |
| operand_.release(); |
| } |
| throw OperationInapplicableToType(operation_.getName(), 1, operand_type.getName().c_str()); |
| } |
| } |
| |
| void ScalarUnaryExpression::getFieldStringItems( |
| std::vector<std::string> *inline_field_names, |
| std::vector<std::string> *inline_field_values, |
| std::vector<std::string> *non_container_child_field_names, |
| std::vector<const Expression*> *non_container_child_fields, |
| std::vector<std::string> *container_child_field_names, |
| std::vector<std::vector<const Expression*>> *container_child_fields) const { |
| Scalar::getFieldStringItems(inline_field_names, |
| inline_field_values, |
| non_container_child_field_names, |
| non_container_child_fields, |
| container_child_field_names, |
| container_child_fields); |
| |
| if (fast_operator_ == nullptr) { |
| inline_field_names->emplace_back("static_value"); |
| if (static_value_.isNull()) { |
| inline_field_values->emplace_back("NULL"); |
| } else { |
| inline_field_values->emplace_back(type_.printValueToString(static_value_)); |
| } |
| } |
| |
| inline_field_names->emplace_back("operation"); |
| inline_field_values->emplace_back( |
| kUnaryOperationNames[static_cast<std::underlying_type<UnaryOperationID>::type>( |
| operation_.getUnaryOperationID())]); |
| |
| non_container_child_field_names->emplace_back("operand"); |
| non_container_child_fields->emplace_back(operand_.get()); |
| } |
| |
| } // namespace quickstep |
