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Overview
| Comment: | Before beginning an incremental checkpoint in RBU, sync the directory containing the target database file. This ensures that the new directory entry created by renaming the *-oal file to *-wal is synced to disk. Cherrypick of [915a9a28]. |
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| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | version-3.17.0-rbu-fixes |
| Files: | files | file ages | folders |
| SHA1: |
694fe0b22bfa13d91f5fcdbe0562cb31 |
| User & Date: | dan 2017-03-07 14:47:02.385 |
Context
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2017-03-07
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| 14:47 | Before beginning an incremental checkpoint in RBU, sync the directory containing the target database file. This ensures that the new directory entry created by renaming the *-oal file to *-wal is synced to disk. Cherrypick of [915a9a28]. (Leaf check-in: 694fe0b22b user: dan tags: version-3.17.0-rbu-fixes) | |
| 14:46 | Fix another RBU case similar to the previous. This one for systems where the sector-size is larger than the page-size. Cherrypick of [4012bb3a]. (check-in: 59a11b7f1f user: dan tags: version-3.17.0-rbu-fixes) | |
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2017-03-03
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| 16:51 | Before beginning an incremental checkpoint in RBU, sync the directory containing the target database file. This ensures that the new directory entry created by renaming the *-oal file to *-wal is synced to disk. (check-in: 915a9a2878 user: dan tags: trunk) | |
Changes
Changes to ext/rbu/sqlite3rbu.c.
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if( p->rc==SQLITE_OK ){
if( p->nFrame==0 || (pState && pState->iWalCksum!=p->iWalCksum) ){
p->rc = SQLITE_DONE;
p->eStage = RBU_STAGE_DONE;
}else{
int nSectorSize;
sqlite3_file *pDb = p->pTargetFd->pReal;
assert( p->nPagePerSector==0 );
nSectorSize = pDb->pMethods->xSectorSize(pDb);
if( nSectorSize>p->pgsz ){
p->nPagePerSector = nSectorSize / p->pgsz;
}else{
p->nPagePerSector = 1;
}
}
}
}
/*
** Called when iAmt bytes are read from offset iOff of the wal file while
** the rbu object is in capture mode. Record the frame number of the frame
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if( p->rc==SQLITE_OK ){
if( p->nFrame==0 || (pState && pState->iWalCksum!=p->iWalCksum) ){
p->rc = SQLITE_DONE;
p->eStage = RBU_STAGE_DONE;
}else{
int nSectorSize;
sqlite3_file *pDb = p->pTargetFd->pReal;
sqlite3_file *pWal = p->pTargetFd->pWalFd->pReal;
assert( p->nPagePerSector==0 );
nSectorSize = pDb->pMethods->xSectorSize(pDb);
if( nSectorSize>p->pgsz ){
p->nPagePerSector = nSectorSize / p->pgsz;
}else{
p->nPagePerSector = 1;
}
/* Call xSync() on the wal file. This causes SQLite to sync the
** directory in which the target database and the wal file reside, in
** case it has not been synced since the rename() call in
** rbuMoveOalFile(). */
p->rc = pWal->pMethods->xSync(pWal, SQLITE_SYNC_NORMAL);
}
}
}
/*
** Called when iAmt bytes are read from offset iOff of the wal file while
** the rbu object is in capture mode. Record the frame number of the frame
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