@Override
    public final InputStream getInputStream(final int columnIndex, final String type) throws SQLException {
        InputStream result = getCurrentQueryResult().getInputStream(columnIndex, type);
        wasNull = getCurrentQueryResult().wasNull();
        return result;
    }
@Test
    void assertGetInputStream() throws SQLException {
        QueryResult queryResult = mock(QueryResult.class);
        InputStream value = mock(InputStream.class);
        when(queryResult.getInputStream(1, "Ascii")).thenReturn(value);
        streamMergedResult.setCurrentQueryResult(queryResult);
        assertThat(streamMergedResult.getInputStream(1, "Ascii"), is(value));
    }