| 86 | } |
| 87 | |
| 88 | DatabaseHeader DatabaseHeader::deserialize(common::Deserializer& deSer) { |
| 89 | validateMagicBytes(deSer); |
| 90 | const auto savedStorageVersion = validateStorageVersion(deSer); |
| 91 | PageRange catalogPageRange{}, metaPageRange{}; |
| 92 | common::uuid databaseID{}; |
| 93 | std::string key; |
| 94 | deSer.validateDebuggingInfo(key, "catalog"); |
| 95 | deSer.deserializeValue(catalogPageRange.startPageIdx); |
| 96 | deSer.deserializeValue(catalogPageRange.numPages); |
| 97 | deSer.validateDebuggingInfo(key, "metadata"); |
| 98 | deSer.deserializeValue(metaPageRange.startPageIdx); |
| 99 | deSer.deserializeValue(metaPageRange.numPages); |
| 100 | deSer.validateDebuggingInfo(key, "databaseID"); |
| 101 | deSer.deserializeValue(databaseID.value); |
| 102 | common::page_idx_t dataFileNumPages = 0; |
| 103 | uint8_t headerFormatVersion = 0; |
| 104 | // Old format (e.g. lbug-0.14.1) ends here; reading 9 bytes would read beyond logical header. |
| 105 | // Read one byte: only if it matches our format version do we read the following 8 bytes. |
| 106 | deSer.deserializeValue(headerFormatVersion); |
| 107 | if (headerFormatVersion == HEADER_FORMAT_VERSION_WITH_DATAFILE_NUM_PAGES) { |
| 108 | deSer.deserializeValue(dataFileNumPages); |
| 109 | } |
| 110 | return {catalogPageRange, metaPageRange, dataFileNumPages, databaseID, savedStorageVersion}; |
| 111 | } |
| 112 | |
| 113 | DatabaseHeader DatabaseHeader::createInitialHeader(common::RandomEngine* randomEngine) { |
| 114 | // We generate a random UUID to act as the database ID |
nothing calls this directly
no test coverage detected