public void setNull(int parameterIndex, int sqlType) throws SQLException {
parameterSettings.put(parameterIndex, new ParameterContext(ParameterMethod.setNull1, new Object[] {parameterIndex, sqlType}));
}
public void setNull(int paramIndex, int sqlType, String typeName) throws SQLException {
parameterSettings.put(paramIndex, new ParameterContext(ParameterMethod.setNull2, new Object[] {paramIndex, sqlType, typeName}));
}