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https://issues.apache.org/jira/browse/ARROW-9219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17148763#comment-17148763
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Neal Richardson commented on ARROW-9219:
----------------------------------------
You'll have to provide more detail on what exactly you did and what exactly
happened. If you're on macOS as you report, install_arrow should install a
binary package, so you won't be compiling from source and failing to find
headers.
> [R] coerce_timestamps in Parquet write options does not work
> ------------------------------------------------------------
>
> Key: ARROW-9219
> URL: https://issues.apache.org/jira/browse/ARROW-9219
> Project: Apache Arrow
> Issue Type: Bug
> Components: R
> Affects Versions: 0.17.1
> Environment: macOS 10.15.5, R 4.0.0
> Reporter: Slim Bentami
> Assignee: Neal Richardson
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.0.0
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> i am trying to truncate timestamps to milliseconds when writing a parquet
> file.
> with:
>
> {{tutu <- as.POSIXct("2020/06/03 18:00:00",tz = "UTC")}}
> if i do:
>
> {{write_parquet(data.frame(tutu),"~/Downloads/tutu.test.parquet")}}
> i get 1591207200000000
> if i do:
>
> {{write_parquet(data.frame(tutu),"~/Downloads/tutu.test.parquet",
> coerce_timestamps = "ms", allow_truncated_timestamps = TRUE)}}
> i get the error message:
>
> {{Error in parquet___ArrowWriterProperties___Builder__coerce_timestamps(unit)
> :
> argument "unit" is missing, with no default}}
> what am i doing wrong? thanks in advance.
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