[R] Expose Parquet ArrowReaderProperties::coerce_int96_timestamp_unit_

[asfimport]

As added in ARROW-12096.

Reporter: Antoine Pitrou / @pitrou
Assignee: Dewey Dunnington / @paleolimbot

Related issues:

• [Python] Expose Parquet ArrowReaderProperties::coerce_int96_timestamp_unit_ (is a clone of)
• [Python][C++] Pyarrow Parquet reader overflows INT96 timestamps when converting to Arrow Array (timestamp[ns]) (requires)

PRs and other links:

• GitHub Pull Request #12070

_{Note: This issue was originally created as ARROW-13087. Please see the migration documentation for further details.}

[asfimport]

Dewey Dunnington / @paleolimbot:
Reprex:

library(arrow, warn.conflicts = FALSE)

tf <- tempfile()
write_parquet(
  data.frame(a = as.POSIXct(c("1000-01-01", "2000-01-01"))),
  tf,
  use_deprecated_int96_timestamps = TRUE, version = "1.0"
)

props <- ParquetArrowReaderProperties$create()
props$set_coerce_int96_timestamp_unit(TimeUnit$MICRO)
#> Error in eval(expr, envir, enclos): attempt to apply non-function

read_parquet(tf, props = props, as_data_frame = FALSE)
#> Table
#> 2 rows x 1 columns
#> $a <timestamp[ns]>
#> 
#> See $metadata for additional Schema metadata

Where this lives in the package:

https://github.com/apache/arrow/blob/master/r/R/parquet.R#L572-L595

https://github.com/apache/arrow/blob/master/r/src/parquet.cpp#L41-L70

https://github.com/apache/arrow/blob/master/cpp/src/parquet/properties.h#L612-L616

[asfimport]

Krisztian Szucs / @kszucs:
Issue resolved by pull request 12070
#12070