| /* |
| * Copyright (C) 2023 The Android Open Source Project |
| * |
| * 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 SRC_TRACE_PROCESSOR_DB_NULL_OVERLAY_H_ |
| #define SRC_TRACE_PROCESSOR_DB_NULL_OVERLAY_H_ |
| |
| #include "src/trace_processor/db/storage/storage.h" |
| |
| namespace perfetto { |
| namespace trace_processor { |
| namespace overlays { |
| |
| // Overlay responsible for operations related to column nullability. |
| class NullOverlay { |
| public: |
| explicit NullOverlay(const BitVector* null_bv) : null_bv_(null_bv) {} |
| |
| void Filter(FilterOp, SqlValue, RowMap&) const; |
| void StableSort(uint32_t* rows, uint32_t rows_size) const; |
| |
| private: |
| // Vector of data nullability. |
| const BitVector* null_bv_; |
| }; |
| |
| } // namespace overlays |
| } // namespace trace_processor |
| } // namespace perfetto |
| |
| #endif // SRC_TRACE_PROCESSOR_DB_NULL_OVERLAY_H_ |