jayzhan211 opened a new issue, #10373:
URL: https://github.com/apache/datafusion/issues/10373
### Is your feature request related to a problem or challenge?
While working on #10364, I found that changing the result in the rust test
is quite painful.
Currently, we need to fix the string manually one by one
```
let expected = [
"+---------------+",
"| upper(test.a) |",
"+---------------+",
"| ABCDEF |",
"| ABC123 |",
"| CBADEF |",
"| 123ABCDEF |",
"+---------------+",
];
assert_fn_batches!(expr, expected);
```
It would be nice if we have `sqllogictest` like testing for `dataframe` or
`expr` API , so we can update the result with `--complete` very easily.
### Describe the solution you'd like
Given the test, having a very easy way to auto-update result string
```rust
#[tokio::test]
async fn test_fn_upper() -> Result<()> {
let expr = upper(col("a"));
let expected = [
"+---------------+",
"| upper(test.a) |",
"+---------------+",
"| ABCDEF |",
"| ABC123 |",
"| CBADEF |",
"| 123ABCDEF |",
"+---------------+",
];
assert_fn_batches!(expr, expected);
Ok(())
}
```
### Describe alternatives you've considered
_No response_
### Additional context
_No response_
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