andygrove opened a new issue #1744:
URL: https://github.com/apache/arrow-datafusion/issues/1744
**Is your feature request related to a problem or challenge? Please describe
what you are trying to do.**
I would like to be able to use DataFusion on a Raspberry Pi running Ubuntu
20.04.3 but it does not compile.
```
$ cargo test
Compiling datafusion v6.0.0 (/home/ubuntu/arrow-datafusion/datafusion)
error[E0368]: binary assignment operation `+=` cannot be applied to type
`OrderedFloat<f64>`
--> datafusion/src/physical_plan/tdigest/mod.rs:329:13
|
329 | weight_so_far += next.weight();
| -------------^^^^^^^^^^^^^^^^^
| |
| cannot use `+=` on type `OrderedFloat<f64>`
```
**Describe the solution you'd like**
I would like the code to compile.
**Describe alternatives you've considered**
None
**Additional context**
```
$ cat /etc/issue
Ubuntu 20.04.3 LTS \n \l
$ uname -a
Linux pi1 5.4.0-1050-raspi #56-Ubuntu SMP PREEMPT Thu Jan 13 13:09:35 UTC
2022 aarch64 aarch64 aarch64 GNU/Linux
$ rustup update
info: syncing channel updates for 'stable-aarch64-unknown-linux-gnu'
info: checking for self-updates
stable-aarch64-unknown-linux-gnu unchanged - rustc 1.58.1 (db9d1b20b
2022-01-20)
```
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