Converts a CUBRIDOID object to an OID string, and then returns the string.
String getOidString()
String sql = "select foo from foo" ;
CUBRIDConnection con = (CUBRIDConnection)
DriverManager.getConnection(url,user,passwd);
Statement stmt = con.createStatement();
CUBRIDResultSet rs = (CUBRIDResultSet)stmt.executeQuery(sql);
while (rs.next ()) {
CUBRIDOID realoid = rs.getOID(1); // get OID
// CUBRIDOID -> OID string
String stringoid = realoid.getOidString();
// OID string -> CUBRIDOID
realoid = CUBRIDOID.getNewInstance(con,stringoid);
}