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Modify the interface to the blocking wal-checkpoint functionality.

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FossilOrigin-Name: 72787c010c8944e8fcf9c98aa4482f129142d8e9
This commit is contained in:
dan
2010-11-18 12:11:05 +00:00
parent a58f26f93f
commit cdc1f049bf
14 changed files with 236 additions and 93 deletions
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26
src/vdbe.c
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@@ -5216,13 +5216,33 @@ case OP_AggFinal: {
}
#ifndef SQLITE_OMIT_WAL
/* Opcode: Checkpoint P1 P2 * * *
/* Opcode: Checkpoint P1 P2 P3 * *
**
** Checkpoint database P1. This is a no-op if P1 is not currently in
** WAL mode. If P2 is non-zero, this is a blocking checkpoint.
** WAL mode. Parameter P2 is one of SQLITE_CHECKPOINT_PASSIVE, FULL
** or RESTART.
*/
case OP_Checkpoint: {
rc = sqlite3Checkpoint(db, pOp->p1, pOp->p2);
int nLog = -1; /* Number of pages in WAL log */
int nCkpt = -1; /* Number of checkpointed pages */
int bBusy = 0;
assert( pOp->p2==SQLITE_CHECKPOINT_PASSIVE
|| pOp->p2==SQLITE_CHECKPOINT_FULL
|| pOp->p2==SQLITE_CHECKPOINT_RESTART
);
rc = sqlite3Checkpoint(db, pOp->p1, pOp->p2, &nLog, &nCkpt);
if( rc==SQLITE_BUSY ){
rc = SQLITE_OK;
bBusy = 1;
}
aMem[1].u.i = bBusy;
aMem[2].u.i = nLog;
aMem[3].u.i = nCkpt;
MemSetTypeFlag(&aMem[1], MEM_Int);
MemSetTypeFlag(&aMem[2], MEM_Int);
MemSetTypeFlag(&aMem[3], MEM_Int);
break;
};
#endif