[ 
https://issues.apache.org/jira/browse/ARROW-17885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

ASF GitHub Bot updated ARROW-17885:
-----------------------------------
    Labels: pull-request-available  (was: )

> [R] Return BLOB data as list of raw instead of a list of integers
> -----------------------------------------------------------------
>
>                 Key: ARROW-17885
>                 URL: https://issues.apache.org/jira/browse/ARROW-17885
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: R
>    Affects Versions: 10.0.0, 9.0.1
>         Environment: macOS arm64, R 4.1.3
>            Reporter: Kirill Müller
>            Priority: Minor
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> BLOBs should be mapped to lists of raw in R, not lists of integer. Tested 
> with ec714db3995549309b987fc8112db98bb93102d0.
> library(arrow)
> #> Some features are not enabled in this build of Arrow. Run `arrow_info()` 
> for more information.
> #> 
> #> Attaching package: 'arrow'
> #> The following object is masked from 'package:utils':
> #> 
> #>     timestamp
> data <- data.frame(
>   a = 1:3,
>   b = 2.5,
>   c = "three",
>   stringsAsFactors = FALSE
> )
> data$d <- blob::blob(as.raw(1:10))
> tbl <- arrow::as_arrow_table(data)
> rbr <- arrow::as_record_batch_reader(tbl)
> waldo::compare(as.data.frame(rbr$read_next_batch()), data)
> #> `old$d[[1]]` is an integer vector (1, 2, 3, 4, 5, ...)
> #> `new$d[[1]]` is a raw vector (01, 02, 03, 04, 05, ...)
> #> 
> #> `old$d[[2]]` is an integer vector (1, 2, 3, 4, 5, ...)
> #> `new$d[[2]]` is a raw vector (01, 02, 03, 04, 05, ...)
> #> 
> #> `old$d[[3]]` is an integer vector (1, 2, 3, 4, 5, ...)
> #> `new$d[[3]]` is a raw vector (01, 02, 03, 04, 05, ...)



--
This message was sent by Atlassian Jira
(v8.20.10#820010)

Reply via email to