presto-hive/src/main/java/io/prestosql/plugin/hive/HiveType.java/HiveType/equals
class HiveType:    @Override
    public boolean equals(Object o)
    {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        HiveType hiveType = (HiveType) o;

        return hiveTypeName.equals(hiveType.hiveTypeName);
    }