@Override
    public ResultSet getBestRowIdentifier(final String catalog, final String schema, final String table, final int scope, final boolean nullable) throws SQLException {
        return createDatabaseMetaDataResultSet(getDatabaseMetaData().getBestRowIdentifier(getActualCatalog(catalog), getActualSchema(schema),
                getActualTable(getActualCatalog(catalog), table), scope, nullable));
    }
@Test
    void assertGetBestRowIdentifier() throws SQLException {
        when(databaseMetaData.getBestRowIdentifier("test", null, null, 1, true)).thenReturn(resultSet);
        assertThat(shardingSphereDatabaseMetaData.getBestRowIdentifier("test", null, null, 1, true), instanceOf(DatabaseMetaDataResultSet.class));
    }