| /** |
| * 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/aggregation/AggregationConcreteHandle.hpp" |
| |
| #include <cstddef> |
| #include <vector> |
| |
| #include "storage/HashTableFactory.hpp" |
| #include "storage/PackedPayloadHashTable.hpp" |
| #include "storage/ValueAccessorMultiplexer.hpp" |
| |
| namespace quickstep { |
| |
| class StorageManager; |
| class Type; |
| |
| AggregationStateHashTableBase* AggregationConcreteHandle::createDistinctifyHashTable( |
| const HashTableImplType hash_table_impl, |
| const std::vector<const Type*> &key_types, |
| const std::size_t estimated_num_distinct_keys, |
| StorageManager *storage_manager) const { |
| // Create a hash table with key types as key_types and value type as bool. |
| return AggregationStateHashTableFactory::CreateResizable( |
| hash_table_impl, |
| key_types, |
| estimated_num_distinct_keys, |
| {}, |
| storage_manager); |
| } |
| |
| void AggregationConcreteHandle::insertValueAccessorIntoDistinctifyHashTable( |
| const std::vector<MultiSourceAttributeId> &argument_ids, |
| const std::vector<MultiSourceAttributeId> &key_ids, |
| const ValueAccessorMultiplexer &accessor_mux, |
| AggregationStateHashTableBase *distinctify_hash_table) const { |
| std::vector<MultiSourceAttributeId> concatenated_ids(key_ids); |
| for (const MultiSourceAttributeId &arg_id : argument_ids) { |
| concatenated_ids.emplace_back(arg_id); |
| } |
| |
| static_cast<PackedPayloadHashTable *>(distinctify_hash_table) |
| ->upsertValueAccessorCompositeKey({}, concatenated_ids, accessor_mux); |
| } |
| |
| } // namespace quickstep |