alamb commented on issue #3105:
URL:
https://github.com/apache/arrow-datafusion/issues/3105#issuecomment-1335292970
Strangely, if I run the function directly on `values` without first making a
table it works fine.
```
DataFusion CLI v14.0.0
❯ select median(column2) from (values ('host0', 90.1), ('host1', 90.2));
+-----------------+
| MEDIAN(column2) |
+-----------------+
| 90.15 |
+-----------------+
1 row in set. Query took 0.053 seconds.
❯ create table cpu (host string, usage float) as select * from (values
('host0', 90.1), ('host1', 90.2));
0 rows in set. Query took 0.005 seconds.
❯ select host, median(usage) from cpu group by host;
thread 'tokio-runtime-worker' panicked at 'unexpected accumulator state in
hash aggregate: Internal("AggregateState is not a scalar aggregate")',
/Users/alamb/Software/arrow-datafusion2/datafusion/core/src/physical_plan/aggregates/hash.rs:517:34
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
ArrowError(ExternalError(Context("Join Error",
External(JoinError::Panic(Id(51), ...)))))
```
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