| 1184 | |
| 1185 | template <class T> |
| 1186 | static void SaveAsCompressedArray(TConstArrayRef<T> values, IBinSaver* binSaver) { |
| 1187 | constexpr ui8 paddingBuffer[sizeof(ui64)-1] = {0}; |
| 1188 | |
| 1189 | const ui32 objectCount = values.size(); |
| 1190 | const ui32 bytesPerKey = sizeof(T); |
| 1191 | const ui32 bitsPerKey = bytesPerKey * CHAR_BIT; |
| 1192 | |
| 1193 | TIndexHelper<ui64> indexHelper(bitsPerKey); |
| 1194 | |
| 1195 | // save values to be deserialiable as a TVector<ui64> |
| 1196 | |
| 1197 | const IBinSaver::TStoredSize compressedStorageVectorSize = indexHelper.CompressedSize(objectCount); |
| 1198 | SaveMulti(binSaver, objectCount, bitsPerKey, compressedStorageVectorSize); |
| 1199 | |
| 1200 | // pad to ui64-alignment to make it deserializable as CompressedArray storage |
| 1201 | const size_t paddingSize = |
| 1202 | size_t(compressedStorageVectorSize)*sizeof(ui64) - size_t(bytesPerKey)*objectCount; |
| 1203 | |
| 1204 | SaveArrayData(values, binSaver); |
| 1205 | if (paddingSize) { |
| 1206 | SaveArrayData(TConstArrayRef<ui8>(paddingBuffer, paddingSize), binSaver); |
| 1207 | } |
| 1208 | } |
| 1209 | |
| 1210 | template <class TColumn> |
| 1211 | static void SaveColumnData( |
nothing calls this directly
no test coverage detected