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Posted to issues@arrow.apache.org by "Ian Cook (Jira)" <ji...@apache.org> on 2021/03/30 16:47:00 UTC

[jira] [Created] (ARROW-12155) [R] Require Table columns to be same length

Ian Cook created ARROW-12155:
--------------------------------

             Summary: [R] Require Table columns to be same length
                 Key: ARROW-12155
                 URL: https://issues.apache.org/jira/browse/ARROW-12155
             Project: Apache Arrow
          Issue Type: Bug
          Components: R
    Affects Versions: 3.0.0
            Reporter: Ian Cook
            Assignee: Ian Cook
             Fix For: 4.0.0


An error is thrown if the user attempts to create a RecordBatch with different length arrays:
{code:java}
> arrow::record_batch(a=1:5, b = 42)
Error: Invalid: All arrays must have the same length {code}
But no error is thrown if the user attempts to create a Table with different length columns. Instead we get garbage in the table:
{code:java}
Table$create(a=1:5, b = 42) %>% collect()
# A tibble: 5 x 2
      a         b
  <int>     <dbl>
1     1 4.20e+  1
2     2 6.94e-310
3     3 6.94e-310
4     4 6.94e-310
5     5 6.94e-310  {code}
Change the behavior for Table creation to match the current behavior of RecordBatch creation.



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