| /** |
| * Copyright 2011-2015 Quickstep Technologies LLC. |
| * Copyright 2015 Pivotal Software, Inc. |
| * |
| * Licensed 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_STORAGE_SUB_BLOCKS_REFERENCE_HPP_ |
| #define QUICKSTEP_STORAGE_SUB_BLOCKS_REFERENCE_HPP_ |
| |
| #include <vector> |
| |
| #include "utility/PtrVector.hpp" |
| |
| #include "glog/logging.h" |
| |
| namespace quickstep { |
| |
| class IndexSubBlock; |
| class TupleStorageSubBlock; |
| |
| /** \addtogroup Storage |
| * @{ |
| */ |
| |
| /** |
| * @brief Container for const-references to sub-blocks inside a StorageBlock. |
| * Intended for passing into expressions that may take advantage of |
| * fast-path non-scan evaluation of ComparisonPredicates. |
| **/ |
| struct SubBlocksReference { |
| SubBlocksReference(const TupleStorageSubBlock &tuple_store_in, |
| const PtrVector<IndexSubBlock, false> &indices_in, |
| const std::vector<bool> &indices_consistent_in) |
| : tuple_store(tuple_store_in), |
| indices(indices_in), |
| indices_consistent(indices_consistent_in) { |
| DCHECK_EQ(indices.size(), indices_consistent.size()); |
| } |
| |
| const TupleStorageSubBlock &tuple_store; |
| const PtrVector<IndexSubBlock, false> &indices; |
| const std::vector<bool> &indices_consistent; |
| }; |
| |
| /** @} */ |
| |
| } // namespace quickstep |
| |
| #endif // QUICKSTEP_STORAGE_SUB_BLOCKS_REFERENCE_HPP_ |