presto-main/src/main/java/io/prestosql/execution/ScheduledSplit.java/ScheduledSplit/equals
class ScheduledSplit:    @Override
    public boolean equals(Object obj)
    {
        if (this == obj) {
            return true;
        }
        if (obj == null || getClass() != obj.getClass()) {
            return false;
        }
        final ScheduledSplit other = (ScheduledSplit) obj;
        return this.sequenceId == other.sequenceId;
    }