throw new IOException( "read error for result set data" );
{ for ( int i = len; i < 4; i++ ) { bytes[i] = (byte) inputStream.read( ); if ( bytes[i] == -1 ) throw new IOException( "there is an error in reading result set" ); } }
	private static int getSeperator( InputStream inputStream ) throws IOException	{		byte[] bytes = new byte[4];		int len = inputStream.read( bytes );		if ( len == -1 )			return RDSave.endSeparator;		else if ( len < 4 )			throw new IOException( "read error for result set data" );		return IOUtil.getInt( bytes );	}