public unsafe ResultSet Scan(byte[] skey, byte[] ekey, ScanFilter sf, DataVar dv)
{
ScanFilterStruct sfs = sf.sfs;
long * sfptr = (long *)&sfs;
IntPtr pBuf = dv.bufferPointer;
int buflen = dv.bufferLength;
int dlen = dv.dataLength;
int dofft = dv.dataOffset;
int eflag = (int)dv.opsFlag;
IntPtr rsptr = BangDBNative.Scan_DVW(_wconnection, skey, skey.Length, ekey, ekey.Length, (IntPtr)sfptr, pBuf, buflen, ref dlen, dofft, ref eflag);
dv.opsFlag = (BangDBDataOpsFlag)eflag;
dv.bufferPointer = pBuf;
dv.dataLength = dlen;
if (rsptr == IntPtr.Zero)
{
return(null);
}
sf.skeyOp = sfs.skeyOp;
sf.ekeyOp = sfs.ekeyOp;
sf.skip_count = sfs.skip_count;
return(new ResultSet(rsptr));
}
public bool Get(long key, ref DataVar dv, Transaction txn)
{
IntPtr pBuf = dv.bufferPointer;
int buflen = dv.bufferLength;
int dlen = dv.dataLength;
int dofft = dv.dataOffset;
int eflag = (int)dv.opsFlag;
int retval = BangDBNative.GetAdvancedTran(_connection, key, ref pBuf, buflen, ref dlen, dofft, ref eflag, txn.GetTranPtr());
dv.opsFlag = (BangDBDataOpsFlag)eflag;
dv.bufferPointer = pBuf;
dv.dataLength = dlen;
return(retval < 0 ? false : true);
}
public long Put(byte[] key, ref DataVar dv, InsertOptions flag, Transaction txn)
{
if (key == null)
{
throw new Exception("key can't be null");
}
IntPtr pBuf = dv.bufferPointer;
int buflen = dv.bufferLength;
int dlen = dv.dataLength;
int dofft = dv.dataOffset;
int eflag = (int)dv.opsFlag;
long retval = BangDBNative.PutAdvanced_Tran(_connection, key, key.Length, pBuf, buflen, ref dlen, dofft, ref eflag, (int)flag, txn.GetTranPtr());
dv.dataLength = dlen;
dv.opsFlag = (BangDBDataOpsFlag)eflag;
return(retval);
}
public bool Get(byte[] key, ref DataVar dv, Transaction txn)
{
if (key == null)
{
throw new Exception("key can't be null");
}
IntPtr pBuf = dv.bufferPointer;
int buflen = dv.bufferLength;
int dlen = dv.dataLength;
int dofft = dv.dataOffset;
int eflag = (int)dv.opsFlag;
int retval = BangDBNative.GetAdvancedTran(_connection, key, key.Length, ref pBuf, buflen, ref dlen, dofft, ref eflag, txn.GetTranPtr());
dv.opsFlag = (BangDBDataOpsFlag)eflag;
dv.bufferPointer = pBuf;
dv.dataLength = dlen;
return(retval < 0 ? false : true);
}
public bool Get(long key, ref DataVar dv)
{
IntPtr _conn = BangDBNative.GetMainConn(_wconnection);
if (_conn == IntPtr.Zero)
{
return(false);
}
IntPtr pBuf = dv.bufferPointer;
int buflen = dv.bufferLength;
int dlen = dv.dataLength;
int dofft = dv.dataOffset;
int eflag = (int)dv.opsFlag;
int retval = BangDBNative.GetAdvanced(_conn, key, ref pBuf, buflen, ref dlen, dofft, ref eflag);
dv.opsFlag = (BangDBDataOpsFlag)eflag;
dv.bufferPointer = pBuf;
dv.dataLength = dlen;
return(retval < 0 ? false : true);
}
public unsafe ResultSet ScanDoc(string idxName, string skey, string ekey, ScanFilter sf, DataVar dv)
{
ScanFilterStruct sfs = sf.sfs;
long * sfptr = (long *)&sfs;
int sklen = (skey != null) ? skey.Length : 0;
int eklen = (ekey != null) ? ekey.Length : 0;
IntPtr pBuf = dv.bufferPointer;
int buflen = dv.bufferLength;
int dlen = dv.dataLength;
int dofft = dv.dataOffset;
int eflag = (int)dv.opsFlag;
IntPtr rsptr = BangDBNative.Scan_Doc_Idx_DV(_wconnection, idxName, skey, sklen, ekey, eklen, (IntPtr)sfptr, pBuf, buflen, ref dlen, dofft, ref eflag);
dv.opsFlag = (BangDBDataOpsFlag)eflag;
dv.bufferPointer = pBuf;
dv.dataLength = dlen;
if (rsptr == IntPtr.Zero)
{
return(null);
}
sf.skeyOp = sfs.skeyOp;
sf.ekeyOp = sfs.ekeyOp;
sf.skip_count = sfs.skip_count;
return(new ResultSet(rsptr));
}
