presto-main/src/main/java/io/prestosql/execution/buffer/PageBufferInfo.java/PageBufferInfo/equals
class PageBufferInfo:    @Override
    public boolean equals(Object o)
    {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        PageBufferInfo that = (PageBufferInfo) o;
        return Objects.equals(partition, that.partition) &&
                Objects.equals(bufferedPages, that.bufferedPages) &&
                Objects.equals(bufferedBytes, that.bufferedBytes) &&
                Objects.equals(rowsAdded, that.rowsAdded) &&
                Objects.equals(pagesAdded, that.pagesAdded);
    }