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When a "full", "restart" or "truncate" checkpoint is attempted, return SQLITE_BUSY if a reader prevents the checkpointer from copying any frames at all into the database file.

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FossilOrigin-Name: f270004016ef20f1963e0f1ad32e76bcbaeb6798
This commit is contained in:
dan 2015-01-28 15:30:03 +00:00
parent 25876016a3
commit 5c08eb143f
3 changed files with 11 additions and 9 deletions
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14
manifest
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@ -1,5 +1,5 @@
C Correctly\sdetect\serrors\sreturned\sby\swalCheckpointStart()\sdue\sto\sOOM.
D 2015-01-28T12:27:35.926
C When\sa\s"full",\s"restart"\sor\s"truncate"\scheckpoint\sis\sattempted,\sreturn\sSQLITE_BUSY\sif\sa\sreader\sprevents\sthe\scheckpointer\sfrom\scopying\sany\sframes\sat\sall\sinto\sthe\sdatabase\sfile.
D 2015-01-28T15:30:03.968
F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
F Makefile.in 5407a688f4d77a05c18a8142be8ae5a2829dd610
F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@ -317,7 +317,7 @@ F src/vdbemem.c 31d8eabb0cd78bfeab4e5124c7363c3e9e54db9f
F src/vdbesort.c 6d64c5448b64851b99931ede980addc3af70d5e2
F src/vdbetrace.c 7e4222955e07dd707a2f360c0eb73452be1cb010
F src/vtab.c c08ec66f45919eaa726bf88aa53eb08379d607f9
F src/wal.c e4779a5ce3b0cd01ebf17f92b1fab618181ce4cf
F src/wal.c 4d1a785a9e90b715b5f5e0ae62bd61fe953265c4
F src/wal.h 0d3ba0c3f1b4c25796cb213568a84b9f9063f465
F src/walker.c c253b95b4ee44b21c406e2a1052636c31ea27804
F src/where.c d46de821bc604a4fd36fa3928c086950e91aafb1
@ -1253,7 +1253,7 @@ F tool/vdbe_profile.tcl 67746953071a9f8f2f668b73fe899074e2c6d8c1
F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
F tool/warnings.sh 0abfd78ceb09b7f7c27c688c8e3fe93268a13b32
F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
P 17c69be80542c5f84e21d60df3edc49422b087d9
R 0f7f7a39f5a064489a7f2265717c296f
U drh
Z a4be37c8322775eddaaa905b716d3639
P 8e878c20238ecf60e5d98d088a955e834ffd35c1
R e292091de00d2dc719cd8b0d6e22bcff
U dan
Z f2e16431401ec30e3df3be2f77db3946

2
manifest.uuid
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@ -1 +1 @@
8e878c20238ecf60e5d98d088a955e834ffd35c1
f270004016ef20f1963e0f1ad32e76bcbaeb6798

4
src/wal.c
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@ -1824,6 +1824,8 @@ static int walCheckpointFinalize(WalCkpt *p){
walUnlockExclusive(pWal, WAL_READ_LOCK(0), 1);
walIteratorFree(p->pIter);
p->pIter = 0;
}else if( p->rc==SQLITE_DONE ){
p->rc = SQLITE_OK;
}
return p->rc;
@ -1909,7 +1911,7 @@ static int walCheckpoint(
assert( eMode!=SQLITE_CHECKPOINT_PASSIVE || xBusy==0 );
rc = walCheckpointStart(pWal, zBuf, nBuf, xBusy, pBusyArg, sync_flags, &sC);
if( sC.pIter==0 || rc!=SQLITE_OK ) goto walcheckpoint_out;
if( rc!=SQLITE_OK ) goto walcheckpoint_out;
/* Step the checkpoint object until it reports something other than
** SQLITE_OK. */