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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2020/05/08 08:16:28 UTC

[GitHub] [arrow] domiden opened a new issue #7127: [R] Implementing methodes for combine tabels using `dplyr::bind_rows` and `dplyr::bind_cols`

domiden opened a new issue #7127:
URL: https://github.com/apache/arrow/issues/7127


   First at all, many thanks for your hard work! I was quite exited, when you guys implemented some basic function of the the `dplyr` package. Is there a why to combine tow or more arrow tables into one by rows or columns? At the moment my workaround looks like this:
   
   ``` r
   dplyr::bind_rows(
     "a" = arrow.table.1 %>% dplyr::collect(),
     "b" = arrow.table.2 %>% dplyr::collect(),
     "c" = arrow.table.3 %>% dplyr::collect(),
     "d" = arrow.table.4 %>% dplyr::collect(),
     .id = "ID"
   ) %>% 
     arrow::write_ipc_stream(sink = "file_name.arrow")
   ```
   But this is actually not really a meaningful measure because of putting the data back into the r environment, which might lead to an exhaust of RAM space. Perhaps you might have a better workaround on hand. It would be great if you guys could implement the `bind_rows` and `bind_cols`methods provided by `dplyr`. 


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[GitHub] [arrow] domiden commented on issue #7127: [R] Implementing methodes for combining arrow tabels using dplyr::bind_rows and dplyr::bind_cols

Posted by GitBox <gi...@apache.org>.
domiden commented on issue #7127:
URL: https://github.com/apache/arrow/issues/7127#issuecomment-626219848


   Yep! But I'm not familiar issuing a feature request. I hope, it's reasonable. 
    [**&rarr; ARROW-8748**](https://issues.apache.org/jira/browse/ARROW-8748)


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[GitHub] [arrow] domiden edited a comment on issue #7127: ARROW-8748: [R] Implementing methodes for combining arrow tabels using dplyr::bind_rows and dplyr::bind_cols

Posted by GitBox <gi...@apache.org>.
domiden edited a comment on issue #7127:
URL: https://github.com/apache/arrow/issues/7127#issuecomment-626219848


   @wesm: Yep! But I'm not familiar issuing a feature request. I hope, it's reasonable. 
    [**&rarr; ARROW-8748**](https://issues.apache.org/jira/browse/ARROW-8748)


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[GitHub] [arrow] wesm commented on issue #7127: ARROW-8748: [R] Implementing methodes for combining arrow tabels using dplyr::bind_rows and dplyr::bind_cols

Posted by GitBox <gi...@apache.org>.
wesm commented on issue #7127:
URL: https://github.com/apache/arrow/issues/7127#issuecomment-626234320


   Thank you


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[GitHub] [arrow] wesm commented on issue #7127: [R] Implementing methodes for combining arrow tabels using dplyr::bind_rows and dplyr::bind_cols

Posted by GitBox <gi...@apache.org>.
wesm commented on issue #7127:
URL: https://github.com/apache/arrow/issues/7127#issuecomment-625862341


   Hi could you please open a JIRA issue?


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