nealrichardson commented on a change in pull request #10724:
URL: https://github.com/apache/arrow/pull/10724#discussion_r671579805
##########
File path: r/R/dplyr-functions.R
##########
@@ -634,20 +659,45 @@ nse_funcs$wday <- function(x, label = FALSE, abbr = TRUE,
week_start = getOption
}
nse_funcs$log <- function(x, base = exp(1)) {
-
+
if (base == exp(1)) {
return(Expression$create("ln_checked", x))
}
-
+
if (base == 2) {
return(Expression$create("log2_checked", x))
}
-
+
if (base == 10) {
return(Expression$create("log10_checked", x))
- }
+ }
# ARROW-13345
stop("`base` values other than exp(1), 2 and 10 not supported in Arrow",
call. = FALSE)
}
nse_funcs$logb <- nse_funcs$log
+
+nse_funcs$if_else <- function(condition, true, false, missing = NULL){
+ if (!is.null(missing)) {
+ return(nse_funcs$if_else(
+ is.na(condition),
Review comment:
Is it better to explicitly call the nse_func here?
```suggestion
nse_funcs$is.na(condition),
```
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