presto-tpch/src/main/java/io/prestosql/plugin/tpch/TpchTableHandle.java/TpchTableHandle/equals
class TpchTableHandle:    @Override
    public boolean equals(Object obj)
    {
        if (this == obj) {
            return true;
        }
        if (obj == null || getClass() != obj.getClass()) {
            return false;
        }
        TpchTableHandle other = (TpchTableHandle) obj;
        return Objects.equals(this.tableName, other.tableName) &&
                Objects.equals(this.scaleFactor, other.scaleFactor);
    }