nealrichardson opened a new issue, #43894:
URL: https://github.com/apache/arrow/issues/43894
### Describe the enhancement requested
We rely on C++ ToString methods for printing Arrow Expressions, which
include functions, arguments, and options. But when we print
`arrow_dplyr_query` objects with aggregations, we don't have Expressions at
that time. The print method we use is
```
format_aggregation <- function(x) {
paste0(x$fun, "(", paste(map(x$data, ~ .$ToString()), collapse = ","), ")")
}
```
So it shows the function and the arguments, but not any options. We either
need to construct Expressions and print them, or map option names to C++
options and include them in format_aggregation.
### Component(s)
R
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