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Period and Interval vctrs proxy methods need to tweak handling of names #1072

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DavisVaughan opened this issue Oct 5, 2022 · 1 comment · Fixed by #1081
Closed

Period and Interval vctrs proxy methods need to tweak handling of names #1072

DavisVaughan opened this issue Oct 5, 2022 · 1 comment · Fixed by #1081
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bug an unexpected problem or unintended behavior

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@DavisVaughan
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The fact that rcrd_names is an optional column for the vec_proxy() method poses a problem for combination functions

x <- `names<-`(period(1), "x")
y <- period(2)

vctrs::vec_c(x, y)
#> Error in `vctrs::vec_c()`:
#> ! Can't assign 7 columns to df of length 6.
#> ℹ In file 'slice-assign.c' at line 341.
#> ℹ This is an internal error that was detected in the vctrs package.
#>   Please report it at <https://github.com/r-lib/vctrs/issues> with a reprex (<https://https://tidyverse.org/help/>) and the full backtrace.

#> Backtrace:
#>     ▆
#>  1. ├─vctrs::vec_c(x, y)
#>  2. └─rlang:::stop_internal_c_lib(...)
#>  3.   └─rlang::abort(message, call = call, .internal = TRUE, .frame = frame)

x <- `names<-`(interval(.Date(0), .Date(2)), "x")
y <- interval(.Date(0), .Date(3))

vctrs::vec_c(x, y)
#> Error in `vctrs::vec_c()`:
#> ! Can't assign 3 columns to df of length 2.
#> ℹ In file 'slice-assign.c' at line 341.
#> ℹ This is an internal error that was detected in the vctrs package.
#>   Please report it at <https://github.com/r-lib/vctrs/issues> with a reprex (<https://https://tidyverse.org/help/>) and the full backtrace.

#> Backtrace:
#>     ▆
#>  1. ├─vctrs::vec_c(x, y)
#>  2. └─rlang:::stop_internal_c_lib(...)
#>  3.   └─rlang::abort(message, call = call, .internal = TRUE, .frame = frame)

I think the solution is actually pretty easy. Since these are S4 objects it looks like the names are already being put on @.Data, so we may as well leave them there when we promote to a data frame to generate the proxy. The names will get sliced accordingly and then will be restored automatically. This is similar to how it works in clock now.

@DavisVaughan DavisVaughan added the bug an unexpected problem or unintended behavior label Oct 5, 2022
@vspinu
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vspinu commented Oct 24, 2022

@DavisVaughan would you be able to provide a PR for this?

The names are there on @.Data indeed.

DavisVaughan added a commit to DavisVaughan/lubridate that referenced this issue Oct 31, 2022
DavisVaughan added a commit that referenced this issue Nov 1, 2022
* Suggest vctrs 0.5.0

* Simplify proxy/restore methods by storing names on columns

This follows the approaches used in clock, and is more compatible with `vec_c()` when some inputs are named but others aren't

* Add tests for #1072

* NEWS bullet
netbsd-srcmastr pushed a commit to NetBSD/pkgsrc that referenced this issue Jun 5, 2023
Version 1.9.2
=============

### BUG FIXES

* [#1104](tidyverse/lubridate#1104) Fix
  incorrect parsing of months when %a format is present.

### OTHER

* Adapt to internal name changes in R-devel

Version 1.9.1
=============

### NEW FEATURES

* `as_datetime()` accepts multiple formats in format argument, just like `as_date()` does.

### BUG FIXES

* [#1091](tidyverse/lubridate#1091) Fix
  formatting of numeric inputs to parse_date_time.

* [#1092](tidyverse/lubridate#1092) Fix
  regression in `ymd_hm` on locales where `p` format is not defined.

* [#1097](tidyverse/lubridate#1097) Fix
  `as_date("character")` to work correctly with formats that include
  extra characters.

* [#1098](tidyverse/lubridate#1098) Roll
  over the month boundary in `make_dateime()` when units exceed their
  maximal values.

* [#1090](tidyverse/lubridate#1090)
  timechange has been moved from Depends to Imports.

Version 1.9.0
=============

### NEW FEATURES

* `roll` argument to updating and time-zone manipulation functions is
  deprecated in favor of a new `roll_dst` parameter.

* [#1042](tidyverse/lubridate#1042)
  `as_date` with character inputs accepts multiple formats in `format`
  argument. When `format` is supplied, the input string is parsed with
  `parse_date_time` instead of the old `strptime`.

* [#1055](tidyverse/lubridate#1055)
  Implement `as.integer` method for Duration, Period and Interval
  classes.

* [#1061](tidyverse/lubridate#1061) Make
  `year<-`, `month<-` etc. accessors truly generic. In order to make
  them work with arbitrary class XYZ, it's enough to define a
  `reclass_date.XYZ` method.

* [#1061](tidyverse/lubridate#1061) Add
  support for `year<-`, `month<-` etc. accessors for `data.table`'s
  IDate and ITime objects.

* [#1017](tidyverse/lubridate#1017)
  `week_start` argument in all lubridate functions now accepts full
  and abbreviated names of the days of the week.

* The assignment value `wday<-` can be a string either in English or
  as provided by the current locale.

* Date rounding functions accept a date-time `unit` argument for
  rounding to a vector of date-times.

* [#1005](tidyverse/lubridate#1005)
  `as.duration` now allows for full roundtrip `duration ->
  as.character -> as.duration`

* [#911](tidyverse/lubridate#911) C parsers
  treat multiple spaces as one (just like strptime does)

* `stamp` gained new argument `exact=FALSE` to indicate whether
  `orders` argument is an exact strptime formats string or not.

* [#1001](tidyverse/lubridate#1001) Add
  `%within` method with signature (Interval, list), which was
  documented but not implemented.

* [#941](tidyverse/lubridate#941)
  `format_ISO8601()` gained a new option `usetz="Z"` to format time
  zones with a "Z" and convert the time to the UTC time zone.

* [#931](tidyverse/lubridate#931) Usage of
  `Period` objects in rounding functions is explicitly documented.

### BUG FIXES

* [#1036](tidyverse/lubridate#1036)
  `%within%` now correctly works with flipped intervals

* [#1085](tidyverse/lubridate#1085)
  `as_datetime()` now preserves the time zone of the POSIXt input.

* [#1072](tidyverse/lubridate#1072) Names
  are now handled correctly when combining multiple Period or Interval
  objects.

* [#1003](tidyverse/lubridate#1003)
  Correctly handle r and R formats in locales which have no p format

* [#1074](tidyverse/lubridate#1074) Fix
  concatination of named Period, Interval and Duration vectors.

* [#1044](tidyverse/lubridate#1044) POSIXlt
  results returned by `fast_strptime()` and `parse_date_time2()` now
  have a recycled `isdst` field.

* [#1069](tidyverse/lubridate#1069) Internal
  code handling the addition of period months and years no longer
  generates partially recycled POSIXlt objects.

* Fix rounding of POSIXlt objects

* [#1007](tidyverse/lubridate#1007) Internal
  lubridate formats are no longer propagated to stamp formater.

* `train` argument in `parse_date_time` now takes effect. It was
  previously ignored.

* [#1004](tidyverse/lubridate#1004) Fix
  `c.POSIXct` and `c.Date` on empty single POSIXct and Date vectors.

* [#1013](tidyverse/lubridate#1013) Fix
  c(`POSIXct`,`POSIXlt`) heterogeneous concatenation.

* [#1002](tidyverse/lubridate#1002) Parsing
  only with format `j` now works on numeric inputs.

* `stamp()` now correctly errors when no formats could be guessed.

* Updating a date with timezone (e.g. `tzs = "UTC"`) now returns a POSIXct.

### INTERNALS

* `lubridate` is now relying on `timechange` package for update and
  time-zone computation. Google's CCTZ code is no longer part of the
  package.

* `lubridate`'s updating logic is now built on top of `timechange`
  package.

* Change implementation of `c.Period`, `c.Duration` and `c.Interval`
  from S4 to S3.

Version 1.8.0
=============

### NEW FEATURES

* [#960](tidyverse/lubridate#960)
  `c.POSIXct` and `c.Date` can deal with heterogeneous object types
  (e.g `c(date, datetime)` works as expected)

### BUG FIXES

* [#994](tidyverse/lubridate#994)
  Subtracting two duration or two period objects no longer results in
  an ambiguous dispatch note.

* `c.Date` and `c.POSIXct` correctly deal with empty vectors.

* `as_datetime(date, tz=XYZ)` returns the date-time object with HMS
  set to 00:00:00 in the corresponding `tz`

### CHANGES

* [#966](tidyverse/lubridate#966) Lubridate is
  now built with cpp11 (contribution of @DavisVaughan)
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