/// <summary>
/// This method closes the object. You must not call methods in this
/// object after this is called.
/// </summary>
public void Close()
{
if (!closed)
{
// finally close
FastpathArg[] args = new FastpathArg[1];
args[0] = new FastpathArg(fd);
fp.FastpathCall("lo_close", false, args); // true here as we dont care!!
closed = true;
}
}
/// <summary>
/// This deletes a large object.
/// </summary>
/// <param name="oid">OID describing object to delete.</param>
public void Delete(Int32 oid)
{
FastpathArg[] args = new FastpathArg[1];
args[0] = new FastpathArg(oid);
fp.FastpathCall("lo_unlink", false, args);
}
/*
* This creates a large object, returning its OID
*
* @param mode a bitmask describing different attributes of the new object
* @return oid of new object
* @exception NpgsqlException on error
*/
/// <summary>
/// This creates a large object, returning its OID.
/// </summary>
/// <param name="mode">Bitmask describing different attributes of the new object.</param>
/// <returns>OID of new object.</returns>
public Int32 Create(Int32 mode)
{
FastpathArg[] args = new FastpathArg[1];
args[0] = new FastpathArg(mode);
return(fp.GetInteger("lo_creat", args));
}
/// <summary>
/// This creates a large object, returning its OID.
/// </summary>
/// <returns>OID of new object.</returns>
public Int32 Create()
{
FastpathArg[] args = new FastpathArg[1];
args[0] = new FastpathArg(READWRITE);
return(fp.GetInteger("lo_creat", args));
}
/// <summary>
/// Report the current position within the object.
/// </summary>
/// <returns>The current position within the object.</returns>
public Int32 Tell()
{
FastpathArg[] args = new FastpathArg[1];
args[0] = new FastpathArg(fd);
return(fp.GetInteger("lo_tell", args));
}