jackwener edited a comment on issue #2045:
URL:
https://github.com/apache/arrow-datafusion/issues/2045#issuecomment-1076018593
Now the target is rewrite from
```sql
| initial_logical_plan | Projection: #Max(DISTINCT test.c1)
| | Aggregate: groupBy=[[]], aggr=[[Max(DISTINCT
#test.c1)]]
| | TableScan: test projection=None
```
to
```sql
| initial_logical_plan | Projection: #Max(DISTINCT test.c1)
| | Projection: #Max(#test.c1) AS Max(DISTINCT
test.c1)
| | Aggregate: groupBy=[[]], aggr=[[Max(#test.c1)]]
| | TableScan: test projection=None
```
instead of
```sql
| logical_plan | Projection: #Max(DISTINCT test.c1)
| | Projection: #Max(alias1) AS Max(DISTINCT test.c1)
| | Aggregate: groupBy=[[]], aggr=[[Max(#alias1)]]
| | Aggregate: groupBy=[[#test.c1 AS alias1]], aggr=[[]]
| | Aggregate: groupBy=[[#test.c1 AS alias1]], aggr=[[]]
| | TableScan: test projection=Some([0])
```
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