paleolimbot commented on pull request #11592:
URL: https://github.com/apache/arrow/pull/11592#issuecomment-957997188
Ok! I think this is cleaner...I had incorrectly included TIME32 and TIME64
with TIMESTAMP as well. Does DATE64 map back to POSIXct?
I think it's best to leave POSIXlt alone, since it maps to a `struct<...>`
and didn't work with `strftime()` anyway:
``` r
library(arrow, warn.conflicts = FALSE)
library(dplyr, warn.conflicts = FALSE)
RecordBatch$create(x = as.POSIXct(as.Date("2000-01-01"))) %>%
mutate(y = strftime(x, "%Y-%M-%d")) %>%
collect()
#> # A tibble: 1 × 2
#> x y
#> <dttm> <chr>
#> 1 2000-01-01 00:00:00 2000-00-01
RecordBatch$create(x = as.POSIXlt(as.Date("2000-01-01"))) %>%
mutate(y = strftime(x, "%Y-%M-%d")) %>%
collect()
#> Error: NotImplemented: Function strftime has no kernel matching input
types (array[struct<sec: double, min: int32, hour: int32, mday: int32, mon:
int32, year: int32, wday: int32, yday: int32, isdst: int32>])
#>
/Users/deweydunnington/Desktop/rscratch/arrow/cpp/src/arrow/compute/exec/expression.cc:340
call.function->DispatchBest(&descrs)
#>
/Users/deweydunnington/Desktop/rscratch/arrow/cpp/src/arrow/compute/exec/project_node.cc:67
expr.Bind(*inputs[0]->output_schema())
```
<sup>Created on 2021-11-02 by the [reprex
package](https://reprex.tidyverse.org) (v2.0.1)</sup>
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