@Override
    public Collection<LocalDataQueryResultRow> getRows(final ShowDefaultSingleTableStorageUnitStatement sqlStatement, final ContextManager contextManager) {
        return Collections.singleton(new LocalDataQueryResultRow(rule.getConfiguration().getDefaultDataSource().orElse("RANDOM")));
    }
@Test
    void assertGetRowData() throws SQLException {
        engine.executeQuery();
        Collection<LocalDataQueryResultRow> actual = engine.getRows();
        assertThat(actual.size(), is(1));
        Iterator<LocalDataQueryResultRow> rowData = actual.iterator();
        String defaultSingleTableStorageUnit = (String) rowData.next().getCell(1);
        assertThat(defaultSingleTableStorageUnit, is("foo_ds"));
    }