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Posted to issues@arrow.apache.org by "Lucas Mation (Jira)" <ji...@apache.org> on 2022/11/04 12:50:00 UTC

[jira] [Created] (ARROW-18250) [R] mutate(x2=x %>% str_replace('^ s*$',NA_character_)) Does not replicate behaviour of R

Lucas Mation created ARROW-18250:
------------------------------------

             Summary: [R]  mutate(x2=x %>% str_replace('^ s*$',NA_character_)) Does not replicate behaviour of R
                 Key: ARROW-18250
                 URL: https://issues.apache.org/jira/browse/ARROW-18250
             Project: Apache Arrow
          Issue Type: Bug
            Reporter: Lucas Mation


```

q <- data.table(x=c('','1','2'))
q %>% write_dataset('q')

#in R

q %>% mutate(x2=x %>% str_replace('^
s*$',NA_character_))

   x   x2
1:   <NA>
2: 1    1
3: 2    2

#in arrow

q2 <- 'q' %>% open_dataset %>% mutate(x2=x %>% str_replace('^
s*$',NA_character_)) %>% collect

q2

   x x2
1:     
2: 1  1
3: 2  2

```



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