@Override
    public ResultSet getColumnPrivileges(final String catalog, final String schema, final String table, final String columnNamePattern) throws SQLException {
        return createDatabaseMetaDataResultSet(
                getDatabaseMetaData().getColumnPrivileges(getActualCatalog(catalog), getActualSchema(schema), getActualTable(getActualCatalog(catalog), table), columnNamePattern));
    }
@Test
    void assertGetColumnPrivileges() throws SQLException {
        when(databaseMetaData.getColumnPrivileges("test", null, null, null)).thenReturn(resultSet);
        assertThat(shardingSphereDatabaseMetaData.getColumnPrivileges("test", null, null, null), instanceOf(DatabaseMetaDataResultSet.class));
    }