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Add the "PRAGMA wal_autocheckpoint" command. Rename "PRAGMA checkpoint" to "PRAGMA wal_checkpoint".

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FossilOrigin-Name: 714e5947264571386f966aa8fcdd5607b5832238
This commit is contained in:
dan
2010-05-03 11:05:08 +00:00
parent 11398e5e54
commit 5a299f9134
14 changed files with 135 additions and 72 deletions
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9
src/main.c
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@@ -1191,12 +1191,12 @@ void *sqlite3_rollback_hook(
** The sqlite3_wal_hook() callback registered by sqlite3_wal_autocheckpoint().
** Return non-zero, indicating to the caller that a checkpoint should be run,
** if the number of frames in the log file is greater than
** sqlite3.nDefaultCheckpoint (the value configured by wal_autocheckpoint()).
** sqlite3.nAutoCheckpoint (the value configured by wal_autocheckpoint()).
*/
static int defaultWalHook(void *p, sqlite3 *db, const char *z, int nFrame){
UNUSED_PARAMETER(p);
UNUSED_PARAMETER(z);
return ( nFrame>=db->nDefaultCheckpoint );
return ( nFrame>=db->nAutoCheckpoint );
}
/*
@@ -1213,8 +1213,8 @@ static int defaultWalHook(void *p, sqlite3 *db, const char *z, int nFrame){
int sqlite3_wal_autocheckpoint(sqlite3 *db, int nFrame){
sqlite3_mutex_enter(db->mutex);
if( nFrame>0 ){
db->nDefaultCheckpoint = nFrame;
sqlite3_wal_hook(db, defaultWalHook, 0);
db->nAutoCheckpoint = nFrame;
}else{
sqlite3_wal_hook(db, 0, 0);
}
@@ -1236,6 +1236,7 @@ void *sqlite3_wal_hook(
pRet = db->pWalArg;
db->xWalCallback = xCallback;
db->pWalArg = pArg;
db->nAutoCheckpoint = 0;
sqlite3_mutex_leave(db->mutex);
return pRet;
}
@@ -1870,7 +1871,7 @@ static int openDatabase(
setupLookaside(db, 0, sqlite3GlobalConfig.szLookaside,
sqlite3GlobalConfig.nLookaside);
sqlite3_wal_autocheckpoint(db, SQLITE_DEFAULT_CACHE_SIZE);
sqlite3_wal_autocheckpoint(db, SQLITE_DEFAULT_WAL_AUTOCHECKPOINT);
opendb_out:
if( db ){