thisisnic commented on code in PR #51313:
URL: https://github.com/apache/arrow/pull/51313#discussion_r3996249031
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r/R/dplyr-eval.R:
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@@ -252,6 +252,15 @@ abandon_ship <- function(err, env) {
arrow_mask <- function(.data) {
f_env <- new_environment(.cache$functions)
+ # Empty column names can't be bound into an environment (GH-40303).
+ # Like dplyr, refuse to transform such data rather than repairing names.
+ if (!all(nzchar(names(.data$selected_columns)))) {
Review Comment:
It makes no real difference as it's a no-op as that column can't be
referenced anyway, no point adding extra code to account for this given the
same outcome.
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