@Override
    public ResultSet getUDTs(final String catalog, final String schemaPattern, final String typeNamePattern, final int[] types) throws SQLException {
        return createDatabaseMetaDataResultSet(getDatabaseMetaData().getUDTs(getActualCatalog(catalog), getActualSchema(schemaPattern), typeNamePattern, types));
    }
@Test
    void assertGetUDTs() throws SQLException {
        when(databaseMetaData.getUDTs("test", null, null, null)).thenReturn(resultSet);
        assertThat(shardingSphereDatabaseMetaData.getUDTs("test", null, null, null), instanceOf(DatabaseMetaDataResultSet.class));
    }