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Overview
Comment: | Fix a potential assertion fault that can occur while trying to DROP a table from a corrupted database file. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA3-256: |
147a9429a558cf34c316ab8f87832e97 |
User & Date: | drh 2018-10-29 21:01:28.956 |
Context
2018-10-30
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13:19 | Enable sqlite3_deserialize() in the CLI. The --deserialize option associated with opening a new database cause the database file to be read into memory and accessed using the sqlite3_deserialize() API. This simplifies running tests on a database without risk of modifying the file on disk. (check-in: 5e0129ee9a user: drh tags: trunk) | |
00:06 | In the VACUUM command, defer setting writable_schema until after it has been determined that the schema is not corrupt. (check-in: 3afec26014 user: drh tags: robust-against-damaged-db) | |
2018-10-29
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21:01 | Fix a potential assertion fault that can occur while trying to DROP a table from a corrupted database file. (check-in: 147a9429a5 user: drh tags: trunk) | |
18:33 | Fix minor memory leak in the dbstat extension that can occur following an attempt to analyze a corrupt database file. (check-in: cb874fd873 user: drh tags: trunk) | |
Changes
Changes to src/build.c.
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2418 2419 2420 2421 2422 2423 2424 | ** Also write code to modify the sqlite_master table and internal schema ** if a root-page of another table is moved by the btree-layer whilst ** erasing iTable (this can happen with an auto-vacuum database). */ static void destroyRootPage(Parse *pParse, int iTable, int iDb){ Vdbe *v = sqlite3GetVdbe(pParse); int r1 = sqlite3GetTempReg(pParse); | | | 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 | ** Also write code to modify the sqlite_master table and internal schema ** if a root-page of another table is moved by the btree-layer whilst ** erasing iTable (this can happen with an auto-vacuum database). */ static void destroyRootPage(Parse *pParse, int iTable, int iDb){ Vdbe *v = sqlite3GetVdbe(pParse); int r1 = sqlite3GetTempReg(pParse); if( iTable<2 ) sqlite3ErrorMsg(pParse, "corrupt schema"); sqlite3VdbeAddOp3(v, OP_Destroy, iTable, r1, iDb); sqlite3MayAbort(pParse); #ifndef SQLITE_OMIT_AUTOVACUUM /* OP_Destroy stores an in integer r1. If this integer ** is non-zero, then it is the root page number of a table moved to ** location iTable. The following code modifies the sqlite_master table to ** reflect this. |
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