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Relax an over-zealous assert() in sqlite3WalUndo(). 

FossilOrigin-Name: 8f9d22d58c75ad7476c1eea8ba296347e30b7beb
This commit is contained in:
drh 2010-05-04 17:20:09 +00:00
parent 33bec22fb1
commit cd058ec4ef
3 changed files with 11 additions and 13 deletions
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18
manifest
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@ -1,8 +1,8 @@
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
C Take\scare\snot\sto\sinvoke\sthe\sxShmClose\smethod\sof\sthe\sVFS\swith\sa\sNULL\s\nshared\smemory\sobject.
D 2010-05-04T16:33:38
C Relax\san\sover-zealous\sassert()\sin\ssqlite3WalUndo().
D 2010-05-04T17:20:09
F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
F Makefile.in d83a0ffef3dcbfb08b410a6c6dd6c009ec9167fb
F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@ -224,7 +224,7 @@ F src/vdbeblob.c 5327132a42a91e8b7acfb60b9d2c3b1c5c863e0e
F src/vdbemem.c 2a82f455f6ca6f78b59fb312f96054c04ae0ead1
F src/vdbetrace.c 864cef96919323482ebd9986f2132435115e9cc2
F src/vtab.c a0f8a40274e4261696ef57aa806de2776ab72cda
F src/wal.c 7f5d355cee4e3e7388f8abc1a34c131c46b693aa
F src/wal.c 864f1e2036eb9e0131287e3ebe53e69990e19b7f
F src/wal.h b4c42014b5fa3b4e6244ac8c65de7ff67adeb27c
F src/walker.c 3112bb3afe1d85dc52317cb1d752055e9a781f8f
F src/where.c 75fee9e255b62f773fcadd1d1f25b6f63ac7a356
@ -812,14 +812,14 @@ F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
P c2bf693f933313991d85394009e79a7903037a18
R 66f52b79291a06333c330de7251fee7d
P 1465d3842c52aa7471f63deb47fe5b256d4e01c2
R c0c153d254f17743fb5d4241f139732d
U drh
Z 927b5dbd39ea7c4afbefd93b2669db7e
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2
manifest.uuid
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@ -1 +1 @@
1465d3842c52aa7471f63deb47fe5b256d4e01c2
8f9d22d58c75ad7476c1eea8ba296347e30b7beb

4
src/wal.c
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@ -1076,8 +1076,6 @@ int sqlite3WalWriteLock(Wal *pWal, int op){
}
/*
** The Wal object passed to this function must be holding the write-lock.
**
** If any data has been written (but not committed) to the log file, this
** function moves the write-pointer back to the start of the transaction.
**
@ -1094,9 +1092,9 @@ int sqlite3WalUndo(Wal *pWal, int (*xUndo)(void *, Pgno), void *pUndoCtx){
Pgno iMax = pWal->hdr.iLastPg;
Pgno iFrame;
assert( pWal->lockState==SQLITE_SHM_WRITE );
walIndexReadHdr(pWal, 0);
for(iFrame=pWal->hdr.iLastPg+1; iFrame<=iMax && rc==SQLITE_OK; iFrame++){
assert( pWal->lockState==SQLITE_SHM_WRITE );
rc = xUndo(pUndoCtx, pWal->pWiData[walIndexEntry(iFrame)]);
}
walIndexUnmap(pWal);