[GitHub] [arrow] wjones127 commented on pull request #12751: ARROW-15989: [R] rbind & cbind for Table & RecordBatch

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wjones127 commented on pull request #12751:
URL: https://github.com/apache/arrow/pull/12751#issuecomment-1086109154


   Seems that S3 dispatch isn't behaving nicely in R 3.6 for `cbind.Table`:
   
   ```
   > do.call(cbind.Table, inputs)
   Table
   2 rows x 5 columns
   $z <int32>
   $a <int32>
   $b <int32>
   $c <dictionary<values=string, indices=int8>>
   $d <int32>
   > do.call(cbind, inputs)
             b c d
    [1,] ? ? ? 1 1
    [2,] ? ? ? 2 1
    [3,] ? ? ? 1 1
    [4,] ? ? ? 2 1
    [5,] ? ? ? 1 1
    [6,] ? ? ? 2 1
    [7,] ? ? ? 1 1
    [8,] ? ? ? 2 1
    [9,] ? ? ? 1 1
   [10,] ? ? ? 2 1
   [11,] ? ? ? 1 1
   [12,] ? ? ? 2 1
   [13,] ? ? ? 1 1
   [14,] ? ? ? 2 1
   [15,] ? ? ? 1 1
   [16,] ? ? ? 2 1
   [17,] ? ? ? 1 1
   [18,] ? ? ? 2 1
   [19,] ? ? ? 1 1
   [20,] ? ? ? 2 1
   [21,] ? ? ? 1 1
   [22,] ? ? ? 2 1
   [23,] ? ? ? 1 1
   [24,] ? ? ? 2 1
   [25,] ? ? ? 1 1
   [26,] ? ? ? 2 1
   [27,] ? ? ? 1 1
   [28,] ? ? ? 2 1
   [29,] ? ? ? 1 1
   [30,] ? ? ? 2 1
   [31,] ? ? ? 1 1
   [32,] ? ? ? 2 1
   [33,] ? ? ? 1 1
   [34,] ? ? ? 2 1
   [35,] ? ? ? 1 1
   [36,] ? ? ? 2 1
   Warning message:
   In (function (..., deparse.level = 1)  :
     number of rows of result is not a multiple of vector length (arg 2)
   ```


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