| /** |
| * 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 "storage/HashTableFactory.hpp" |
| |
| #include <cstdio> |
| #include <string> |
| #include <vector> |
| |
| #include "storage/HashTable.pb.h" |
| #include "types/Type.hpp" |
| #include "types/TypedValue.hpp" |
| |
| #include "glog/logging.h" |
| |
| namespace quickstep { |
| |
| bool ValidateHashTableImplTypeString(const char *flagname, |
| const std::string &value) { |
| if ((value == "SeparateChaining") || (value == "LinearOpenAddressing")) { |
| return true; |
| } else { |
| std::fprintf(stderr, |
| "--%s must be either SeparateChaining or LinearOpenAddressing\n", |
| flagname); |
| return false; |
| } |
| } |
| |
| serialization::HashTableImplType HashTableImplTypeProtoFromString( |
| const std::string &hash_table_impl_string) { |
| if (hash_table_impl_string == "LinearOpenAddressing") { |
| return serialization::HashTableImplType::LINEAR_OPEN_ADDRESSING; |
| } else if (hash_table_impl_string == "SeparateChaining") { |
| return serialization::HashTableImplType::SEPARATE_CHAINING; |
| } else { |
| LOG(FATAL) << "Unrecognized string for HashTable implementation type: " |
| << hash_table_impl_string; |
| } |
| } |
| |
| serialization::HashTableImplType SimplifyHashTableImplTypeProto( |
| const serialization::HashTableImplType proto_impl_type, |
| const std::vector<const Type*> &key_types) { |
| if ((proto_impl_type == serialization::HashTableImplType::SEPARATE_CHAINING) |
| && (key_types.size() == 1) |
| && (TypedValue::HashIsReversible(key_types.front()->getTypeID()))) { |
| return serialization::HashTableImplType::SIMPLE_SCALAR_SEPARATE_CHAINING; |
| } else { |
| return proto_impl_type; |
| } |
| } |
| |
| } // namespace quickstep |