Ted-Jiang opened a new issue, #8832:
URL: https://github.com/apache/arrow-datafusion/issues/8832
### Is your feature request related to a problem or challenge?
run sql
```sql
❯ select distinct (l_orderkey, l_partkey) from lineitem limit 5;
This feature is not implemented: Unsupported ast node in sqltorel:
Tuple([Identifier(Ident { value: "l_orderkey", quote_style: None }),
Identifier(Ident { value: "l_partkey", quote_style: None })])
```
in spark-sql
```sql
spark-sql>
> select distinct (l_orderkey, l_partkey) from lineitem limit 5;
{"l_orderkey":67,"l_partkey":40613}
{"l_orderkey":260,"l_partkey":95286}
{"l_orderkey":640,"l_partkey":416}
{"l_orderkey":865,"l_partkey":197300}
{"l_orderkey":1220,"l_partkey":48992}
Time taken: 2.621 seconds, Fetched 5 row(s)
```
### Describe the solution you'd like
_No response_
### Describe alternatives you've considered
_No response_
### Additional context
_No response_
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