ARROW-16653: [R] All formats are supported with the lubridate `parse_date_time` binding #13506

rok · 2022-07-04T12:40:12Z

This is to resolve ARROW-16653.

Please note the intent here is to map out currently available formats via a new test. That is to support ARROW-16395 which will add ymd_hms() ymd_hm() ymd_h() dmy_hms() dmy_hm() dmy_h() mdy_hms() mdy_hm() mdy_h() ydm_hms() ydm_hm() ydm_h().

Currently most lubridate supported flags are available and this adds a test. Remaining are %q and %Op that we don't need to resolve ARROW-16395. We could open a ticket for adding support for the two remaining flags to C++ strptime or wait for users to request them.

github-actions · 2022-07-04T12:40:33Z

https://issues.apache.org/jira/browse/ARROW-16653

rok · 2022-07-22T05:49:19Z

@dragosmg

paleolimbot

Just tiny things...looks great!

r/tests/testthat/test-dplyr-funcs-datetime.R

dragosmg · 2022-07-22T12:50:30Z

I think the scope of the Jira is to also test/ check/ make sure all formats are supported with parse_date_time(). This means we might need to get rid of the supported_orders list and test they actually work.

rok · 2022-07-22T17:08:29Z

I think the scope of the Jira is to also test/ check/ make sure all formats are supported with parse_date_time(). This means we might need to get rid of the supported_orders list and test they actually work.

I forgot about that! 😄
Please check 772ee78.

dragosmg · 2022-07-22T17:28:48Z

I forgot about that! 😄 Please check 772ee78.

Could you add a test/ tests for parse_date_time() with some of the formats / orders this enables?

dragosmg · 2022-07-22T17:29:59Z

LGTM once we have a test with the additional formats we now support & the CI passes. Thanks for your work on lubridate, @rok! 🙏🏻

r/tests/testthat/test-dplyr-funcs-datetime.R

paleolimbot

It seems like @dragosmg was looking for a parse_date_time() test but I see a number of those tests in #13627 (am I reading that correctly?). In any case, I trust you to either add those tests to #13627 or create a follow-up ticket to add them in their own PR.

dragosmg · 2022-07-22T18:56:50Z

Once we remove the guardrails, it would be good to test orders that aren't covered by #13627, such as: parse_date_time("12/17/1996 04:00:00 PM", "mdYHMSp"). If my memory serves me well, we have test covering the following formats: y, Y, m, d, D, H, M, S, I, b, B. I don't think we have anything covering j, p, u, v, w etc.

paleolimbot · 2022-07-22T19:01:43Z

@dragosmg Can you create a follow-up ticket for that?

dragosmg · 2022-07-22T19:05:05Z

I can, but @rok might be close to a unit test for those additional formats. If he is, I'd rather we have the tests in this PR as they go together.

dragosmg · 2022-07-22T19:14:24Z

to clarify, that test would be nice to have, but it doesn't mean that without it the features aren't tested. ultimately, parse_date_time() calls strptime so, as long as those formats are tested with strptime they should work just fine with parse_date_time().

rok · 2022-07-22T19:18:57Z

to clarify, that test would be nice to have, but it doesn't mean that without it the features aren't tested. ultimately, parse_date_time() calls strptime so, as long as those formats are tested with strptime they should work just fine with parse_date_time().

👍
The thing is I started looking into frankenformats (e.g. Y-%b-d) which are supported by lubridate, but they brake our orders parsing here. I'll try to make it work and make it reject frankenformats if I can't. Does that seem ok?

r/R/dplyr-datetime-helpers.R

r/tests/testthat/test-dplyr-funcs-datetime.R

dragosmg

Thanks for your work. I have some minor comments, and a larger concern. I am not convinced the build_formats() now works correctly:

# all the formatting characters should be supported
build_formats("wIpz")
#> Error: "wIpz" `orders` not supported in Arrow

dragosmg · 2022-07-27T09:00:38Z

r/R/dplyr-datetime-helpers.R

-  supported_passed_orders <- intersect(orders, supported_orders)
+  formats_list <- map(orders, build_format_from_order)
+  formats_length <- map(map(formats_list, nchar), max)
+  invalid_orders <- formats_length < 6


I think adding some comments here would help for our future selves. For example, on why you think 6 is a good threshold.

It seems unlikely that < 6 characters is the only threshold for an invalid order?

I'm not exactly sure how to check if an order is valid as it really comes down to strptime implementation used. I'm switching to detecting if no valid formats are present or not and will check what lubridate does.

Lubridate checks against an example of it's input, which is something we can't/won't do.
I'd say erroring on invalid formats and returning NA on unsuccessful parsing would be the thing to do.

Agree. That sounds like a good plan

r/R/dplyr-datetime-helpers.R

paleolimbot

I comment everywhere I saw some R code that looked out of place...in general I have little idea what's going on here and I think some comments would help.

r/tests/testthat/test-dplyr-funcs-datetime.R

paleolimbot · 2022-07-27T10:40:12Z

r/R/dplyr-datetime-helpers.R

-  supported_passed_orders <- intersect(orders, supported_orders)
+  formats_list <- map(orders, build_format_from_order)
+  formats_length <- map(map(formats_list, nchar), max)
+  invalid_orders <- formats_length < 6


It seems unlikely that < 6 characters is the only threshold for an invalid order?

r/R/dplyr-datetime-helpers.R

Co-authored-by: Dewey Dunnington <[email protected]>

rok · 2022-07-28T02:38:41Z

# all the formatting characters should be supported
build_formats("wIpz")
#> Error: "wIpz" `orders` not supported in Arrow

Added this to tests.

rok · 2022-07-28T02:41:41Z

Thanks for the reviews @dragosmg @paleolimbot !
I've pushed a new set of changes, could you please review them? I'm still hoping to get this into the release 🤞 .

dragosmg

LGTM. Thanks for sticking with it!

rok · 2022-07-28T21:46:54Z

@github-actions crossbow submit -g r

github-actions · 2022-07-28T21:48:13Z

Revision: 17b46ab

Submitted crossbow builds: ursacomputing/crossbow @ actions-156d8fedd0

Task	Status
conda-linux-gcc-py37-cpu-r40
conda-linux-gcc-py37-cpu-r41
conda-osx-clang-py37-r40
conda-osx-clang-py37-r41
conda-win-vs2017-py37-r40
conda-win-vs2017-py37-r41
homebrew-r-autobrew
homebrew-r-brew
r-binary-packages
test-fedora-r-clang-sanitizer
test-r-arrow-backwards-compatibility
test-r-depsource-bundled
test-r-depsource-system
test-r-dev-duckdb
test-r-devdocs
test-r-gcc-11
test-r-gcc-12
test-r-install-local
test-r-linux-as-cran
test-r-linux-rchk
test-r-linux-valgrind
test-r-minimal-build
test-r-offline-maximal
test-r-offline-minimal
test-r-rhub-debian-gcc-devel-lto-latest
test-r-rhub-debian-gcc-release-custom-ccache
test-r-rhub-ubuntu-gcc-release-latest
test-r-rocker-r-base-latest
test-r-rstudio-r-base-4.1-opensuse153
test-r-rstudio-r-base-4.2-centos7-devtoolset-8
test-r-rstudio-r-base-4.2-focal
test-r-ubuntu-22.04
test-r-versions
test-ubuntu-18.04-r-sanitizer

paleolimbot

With these changes it's much more readable...thank you!

paleolimbot · 2022-07-29T01:13:10Z

(The sanitizer error was fixed already and valgrind will likely fail when it completes but that is a separate issue)

rok · 2022-07-29T07:52:58Z

Thank you for fast reviews and feedback @dragosmg and @paleolimbot !

ursabot · 2022-07-29T09:12:20Z

Benchmark runs are scheduled for baseline = f645ffa and contender = 3e87c66. 3e87c66 is a master commit associated with this PR. Results will be available as each benchmark for each run completes.
Conbench compare runs links:
[Failed ⬇️3.77% ⬆️0.0%] ec2-t3-xlarge-us-east-2
[Finished ⬇️0.65% ⬆️0.0%] test-mac-arm
[Finished ⬇️0.0% ⬆️0.0%] ursa-i9-9960x
[Finished ⬇️0.39% ⬆️0.07%] ursa-thinkcentre-m75q
Buildkite builds:
[Failed] 3e87c66a ec2-t3-xlarge-us-east-2
[Finished] 3e87c66a test-mac-arm
[Finished] 3e87c66a ursa-i9-9960x
[Finished] 3e87c66a ursa-thinkcentre-m75q
[Failed] f645ffa2 ec2-t3-xlarge-us-east-2
[Finished] f645ffa2 test-mac-arm
[Finished] f645ffa2 ursa-i9-9960x
[Finished] f645ffa2 ursa-thinkcentre-m75q
Supported benchmarks:
ec2-t3-xlarge-us-east-2: Supported benchmark langs: Python, R. Runs only benchmarks with cloud = True
test-mac-arm: Supported benchmark langs: C++, Python, R
ursa-i9-9960x: Supported benchmark langs: Python, R, JavaScript
ursa-thinkcentre-m75q: Supported benchmark langs: C++, Java

…date_time` binding (#13506) This is to resolve [ARROW-16653](https://issues.apache.org/jira/browse/ARROW-16653). Please note the intent here is to map out currently available formats via a new test. That is to support [ARROW-16395](https://issues.apache.org/jira/browse/ARROW-16395) which will add `ymd_hms() ymd_hm() ymd_h() dmy_hms() dmy_hm() dmy_h() mdy_hms() mdy_hm() mdy_h() ydm_hms() ydm_hm() ydm_h()`. Currently most [lubridate supported flags](https://lubridate.tidyverse.org/reference/parse_date_time.html#details) are available and this adds a test. Remaining are `%q` and `%Op` that we don't need to resolve [ARROW-16395](https://issues.apache.org/jira/browse/ARROW-16395). We could open a ticket for adding support for the two remaining flags to C++ `strptime` or wait for users to request them. Lead-authored-by: Rok <[email protected]> Co-authored-by: Rok Mihevc <[email protected]> Signed-off-by: Dewey Dunnington <[email protected]>

Changes introduced by [ARROW-16653](#13506) were not written up by NEWS.md. Lead-authored-by: Rok <[email protected]> Co-authored-by: Dewey Dunnington <[email protected]> Co-authored-by: Rok Mihevc <[email protected]> Signed-off-by: Dewey Dunnington <[email protected]>

…Hub issue numbers (#34260) Rewrite the Jira issue numbers to the GitHub issue numbers, so that the GitHub issue numbers are automatically linked to the issues by pkgdown's auto-linking feature. Issue numbers have been rewritten based on the following correspondence. Also, the pkgdown settings have been changed and updated to link to GitHub. I generated the Changelog page using the `pkgdown::build_news()` function and verified that the links work correctly. --- ARROW-6338 #5198 ARROW-6364 #5201 ARROW-6323 #5169 ARROW-6278 #5141 ARROW-6360 #5329 ARROW-6533 #5450 ARROW-6348 #5223 ARROW-6337 #5399 ARROW-10850 #9128 ARROW-10624 #9092 ARROW-10386 #8549 ARROW-6994 #23308 ARROW-12774 #10320 ARROW-12670 #10287 ARROW-16828 #13484 ARROW-14989 #13482 ARROW-16977 #13514 ARROW-13404 #10999 ARROW-16887 #13601 ARROW-15906 #13206 ARROW-15280 #13171 ARROW-16144 #13183 ARROW-16511 #13105 ARROW-16085 #13088 ARROW-16715 #13555 ARROW-16268 #13550 ARROW-16700 #13518 ARROW-16807 #13583 ARROW-16871 #13517 ARROW-16415 #13190 ARROW-14821 #12154 ARROW-16439 #13174 ARROW-16394 #13118 ARROW-16516 #13163 ARROW-16395 #13627 ARROW-14848 #12589 ARROW-16407 #13196 ARROW-16653 #13506 ARROW-14575 #13160 ARROW-15271 #13170 ARROW-16703 #13650 ARROW-16444 #13397 ARROW-15016 #13541 ARROW-16776 #13563 ARROW-15622 #13090 ARROW-18131 #14484 ARROW-18305 #14581 ARROW-18285 #14615 * Closes: #33631 Authored-by: SHIMA Tatsuya <[email protected]> Signed-off-by: Sutou Kouhei <[email protected]>

github-actions bot added the Component: R label Jul 4, 2022

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Co-authored-by: Dewey Dunnington <[email protected]>

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ARROW-17188: [R] Update news for 9.0.0 #13726

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rok mentioned this pull request Aug 3, 2022

MINOR: Update NEWS.md regarding parse_date_time #13791

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asfimport mentioned this pull request Jan 12, 2023

[C++][R] Strptime should detect invalid formats #32506

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eitsupi mentioned this pull request Feb 19, 2023

GH-33631: [R] Rewrite Jira ticket numbers in pkgdown documents to GitHub issue numbers #34260

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ARROW-16653: [R] All formats are supported with the lubridate parse_date_time binding #13506

ARROW-16653: [R] All formats are supported with the lubridate parse_date_time binding #13506

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ARROW-16653: [R] All formats are supported with the lubridate `parse_date_time` binding #13506

ARROW-16653: [R] All formats are supported with the lubridate `parse_date_time` binding #13506

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