thisisnic opened a new pull request, #37843:
URL: https://github.com/apache/arrow/pull/37843
### Rationale for this change
Users will be able to easily see the schema which their `data.frame` object
will have when it's converted into an Arrwo table.
### What changes are included in this PR?
Implements `infer_schema()` method for `data.frame` objects.
Before:
``` r
library(arrow)
schema(mtcars)
#> Error in UseMethod("infer_schema"): no applicable method for
'infer_schema' applied to an object of class "data.frame"
```
After:
``` r
library(arrow)
schema(mtcars)
#> Schema
#> mpg: double
#> cyl: double
#> disp: double
#> hp: double
#> drat: double
#> wt: double
#> qsec: double
#> vs: double
#> am: double
#> gear: double
#> carb: double
#>
#> See $metadata for additional Schema metadata
```
### Are these changes tested?
Yes
### Are there any user-facing changes?
Yes
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