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Overview
| Comment: | Improved logging of master-journal name conflicts. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
b1005ef46cc2b46dd8e448ae1a9a9508 |
| User & Date: | drh 2011-12-16 15:11:39 |
Context
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2011-12-16
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| 15:38 | Merge the fix for [a1fa75cbdd02] from the experimental branch. Also fix the persistent-wal mode feature of truncating the WAL on close so that it always truncates the WAL to zero bytes. (check-in: 09ccc4a1 user: drh tags: trunk) | |
| 15:11 | Improved logging of master-journal name conflicts. (check-in: b1005ef4 user: drh tags: trunk) | |
| 13:42 | Merge the nx-devkit changes into trunk. (check-in: cf3bccc2 user: drh tags: trunk) | |
Changes
Changes to src/vdbeaux.c.
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/* Select a master journal file name */
nMainFile = sqlite3Strlen30(zMainFile);
zMaster = sqlite3MPrintf(db, "%s-mjXXXXXX9XX", zMainFile);
if( zMaster==0 ) return SQLITE_NOMEM;
do {
u32 iRandom;
if( retryCount++>100 ){
sqlite3_log(SQLITE_FULL, "cannot find unique master-journal");
sqlite3OsDelete(pVfs, zMaster, 0);
break;
}
sqlite3_randomness(sizeof(iRandom), &iRandom);
sqlite3_snprintf(13, &zMaster[nMainFile], "-mj%06X9%02X",
(iRandom>>8)&0xffffff, iRandom&0xff);
/* The antipenultimate character of the master journal name must
** be "9" to avoid name collisions when using 8+3 filenames. */
assert( zMaster[sqlite3Strlen30(zMaster)-3]=='9' );
sqlite3FileSuffix3(zMainFile, zMaster);
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/* Select a master journal file name */
nMainFile = sqlite3Strlen30(zMainFile);
zMaster = sqlite3MPrintf(db, "%s-mjXXXXXX9XX", zMainFile);
if( zMaster==0 ) return SQLITE_NOMEM;
do {
u32 iRandom;
if( retryCount ){
if( retryCount>100 ){
sqlite3_log(SQLITE_FULL, "MJ delete: %s", zMaster);
sqlite3OsDelete(pVfs, zMaster, 0);
break;
}else if( retryCount==1 ){
sqlite3_log(SQLITE_FULL, "MJ collide: %s", zMaster);
}
}
retryCount++;
sqlite3_randomness(sizeof(iRandom), &iRandom);
sqlite3_snprintf(13, &zMaster[nMainFile], "-mj%06X9%02X",
(iRandom>>8)&0xffffff, iRandom&0xff);
/* The antipenultimate character of the master journal name must
** be "9" to avoid name collisions when using 8+3 filenames. */
assert( zMaster[sqlite3Strlen30(zMaster)-3]=='9' );
sqlite3FileSuffix3(zMainFile, zMaster);
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