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https://issues.apache.org/jira/browse/ARROW-10296?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Neal Richardson resolved ARROW-10296.
-------------------------------------
Fix Version/s: 2.0.0
Assignee: Neal Richardson
Resolution: Duplicate
This is a deliberate
[feature|https://arrow.apache.org/docs/r/news/index.html#arrow-format-conversion],
but in the upcoming release you'll be able to [disable
it|https://github.com/apache/arrow/blob/master/r/NEWS.md#bug-fixes-and-other-enhancements].
> [R] Data saved as integer64 loaded as integer
> ---------------------------------------------
>
> Key: ARROW-10296
> URL: https://issues.apache.org/jira/browse/ARROW-10296
> Project: Apache Arrow
> Issue Type: Bug
> Components: R
> Affects Versions: 1.0.1
> Environment: R3.6.1, arrow 1.0.1, bit64 4.0.5
> full sessionIfno():
> R version 3.6.1 (2019-07-05)
> Platform: x86_64-w64-mingw32/x64 (64-bit)
> Running under: Windows 10 x64 (build 19041)
> Matrix products: default
> locale:
> [1] LC_COLLATE=English_United States.1252 LC_CTYPE=English_United
> States.1252 LC_MONETARY=English_United States.1252
> [4] LC_NUMERIC=C LC_TIME=English_United States.1252
>
> attached base packages:
> [1] stats graphics grDevices utils datasets methods base
> loaded via a namespace (and not attached):
> [1] Rcpp_1.0.5 fansi_0.4.1 arrow_1.0.1 dplyr_1.0.2
> crayon_1.3.4 assertthat_0.2.1 R6_2.4.1 lifecycle_0.2.0
> [9] magrittr_1.5 pillar_1.4.6 cli_2.0.2 rlang_0.4.7
> rstudioapi_0.11 generics_0.0.2 vctrs_0.3.4 ellipsis_0.3.1
> [17] tools_3.6.1 bit64_4.0.5 feather_0.3.5 glue_1.4.2
> purrr_0.3.4 bit_4.0.4 hms_0.5.3 compiler_3.6.1
> [25] pkgconfig_2.0.3 tidyselect_1.1.0 tibble_3.0.3
> Reporter: Ofek Shilon
> Assignee: Neal Richardson
> Priority: Major
> Fix For: 2.0.0
>
>
> {{> v <- bit64::as.integer64(1:10)}}
> {{> df <- data.frame(v=v)}}
> {{> class(df$v)}}
> {{[1] "*integer64*"}}
> {{> arrow::write_feather(df, "./tmp")}}
> {{> df2 <- arrow::read_feather("./tmp")}}
> {{> class(df2$v)}}
> {{[1] "*integer*"}}
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