presto-main/src/main/java/io/prestosql/sql/planner/plan/StatisticAggregationsDescriptor.java/StatisticAggregationsDescriptor/equals
class StatisticAggregationsDescriptor:    @Override
    public boolean equals(Object o)
    {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        StatisticAggregationsDescriptor<?> that = (StatisticAggregationsDescriptor<?>) o;
        return Objects.equals(grouping, that.grouping) &&
                Objects.equals(tableStatistics, that.tableStatistics) &&
                Objects.equals(columnStatistics, that.columnStatistics);
    }