presto-mongodb/src/main/java/io/prestosql/plugin/mongodb/MongoTable.java/MongoTable/equals
class MongoTable:    @Override
    public boolean equals(Object obj)
    {
        if (this == obj) {
            return true;
        }
        if (!(obj instanceof MongoTable)) {
            return false;
        }
        MongoTable that = (MongoTable) obj;
        return this.tableHandle.equals(that.tableHandle);
    }