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Changes In Branch shm-lock-fix Excluding Merge-Ins
This is equivalent to a diff from bd1e9e0a to fb36ac4d
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2021-02-11
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| 16:19 | In RBU, avoid passing VFS xShmLock calls through to the underlying VFS in cases where xShmMap calls may not be. This fixes a bad interaction with ZipVFS. (Leaf check-in: 0c3838d9 user: dan tags: reuse-schema-3.31) | |
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2021-02-10
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| 20:00 | Fix a longstanding problem causing an RBU vacuum to omit releasing some locks before finishing. (check-in: 66c07a07 user: dan tags: trunk) | |
| 19:49 | Remove an assert() added by the previous commit that is sometimes false. (Closed-Leaf check-in: fb36ac4d user: dan tags: shm-lock-fix) | |
| 19:40 | Fix a longstanding problem causing an RBU vacuum to omit releasing some locks before finishing. (check-in: cb5bdf82 user: dan tags: shm-lock-fix) | |
| 17:31 | In RBU, avoid passing VFS xShmLock calls through to the underlying VFS in cases where xShmMap calls may not be. This fixes a bad interaction with ZipVFS. (check-in: bd1e9e0a user: dan tags: trunk) | |
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2021-02-08
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| 15:56 | Correctly detect correlated subqueries when resolving names in RETURNING clauses. (check-in: b43cfa04 user: drh tags: trunk) | |
Changes to ext/rbu/sqlite3rbu.c.
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4838 4839 4840 4841 4842 4843 4844 |
** segments. */
if( ofst==WAL_LOCK_CKPT && n==1 ) rc = SQLITE_BUSY;
}else{
int bCapture = 0;
if( pRbu && pRbu->eStage==RBU_STAGE_CAPTURE ){
bCapture = 1;
}
| < | | 4838 4839 4840 4841 4842 4843 4844 4845 4846 4847 4848 4849 4850 4851 4852 4853 4854 4855 |
** segments. */
if( ofst==WAL_LOCK_CKPT && n==1 ) rc = SQLITE_BUSY;
}else{
int bCapture = 0;
if( pRbu && pRbu->eStage==RBU_STAGE_CAPTURE ){
bCapture = 1;
}
if( bCapture==0 || 0==(flags & SQLITE_SHM_UNLOCK) ){
rc = p->pReal->pMethods->xShmLock(p->pReal, ofst, n, flags);
if( bCapture && rc==SQLITE_OK ){
pRbu->mLock |= ((1<<n) - 1) << ofst;
}
}
}
return rc;
}
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