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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/pragma.c
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@@ -1393,19 +1393,29 @@ void sqlite3Pragma(
#ifndef SQLITE_OMIT_WAL
/*
** PRAGMA [database.]wal_checkpoint
** PRAGMA [database.]wal_blocking_checkpoint
** PRAGMA [database.]wal_checkpoint = passive|full|restart
**
** Checkpoint the database.
*/
if( sqlite3StrICmp(zLeft, "wal_checkpoint")==0
|| sqlite3StrICmp(zLeft, "wal_blocking_checkpoint")==0
){
int bBlock = (zLeft[14]!=0);
if( sqlite3StrICmp(zLeft, "wal_checkpoint")==0 ){
int iBt = (pId2->z?iDb:SQLITE_MAX_ATTACHED);
assert( bBlock==(sqlite3StrICmp(zLeft, "wal_checkpoint")!=0) );
int eMode = SQLITE_CHECKPOINT_PASSIVE;
if( zRight ){
if( sqlite3StrICmp(zRight, "full")==0 ){
eMode = SQLITE_CHECKPOINT_FULL;
}else if( sqlite3StrICmp(zRight, "restart")==0 ){
eMode = SQLITE_CHECKPOINT_RESTART;
}
}
if( sqlite3ReadSchema(pParse) ) goto pragma_out;
sqlite3VdbeAddOp2(v, OP_Checkpoint, iBt, bBlock);
sqlite3VdbeSetNumCols(v, 3);
pParse->nMem = 3;
sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "busy", SQLITE_STATIC);
sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "log", SQLITE_STATIC);
sqlite3VdbeSetColName(v, 2, COLNAME_NAME, "checkpointed", SQLITE_STATIC);
sqlite3VdbeAddOp2(v, OP_Checkpoint, iBt, eMode);
sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 3);
}else
/*