Commit Graph

105 Commits

Author SHA1 Message Date
WMR
b67b6f7fc5
Add a datepart expression for dfr to be used with dfr with-column (#9285)
# Description

Today the only way to extract date parts from a dfr series is the dfr
get-* set of commands. These create a new dataframe with just the
datepart in it, which is almost entirely useless. As far as I can tell
there's no way to append it as a series in the original dataframe. In
discussion with fdncred on Discord we decided the best route was to add
an expression for modifying columns created in dfr with-column. These
are the way you manipulate series within a data frame.

I'd like feedback on this approach - I think it's a fair way to handle
things. An example to test it would be:

```[[ record_time]; [ (date now)]]  | dfr into-df | dfr with-column [ ((dfr col record_time) | dfr datepart nanosecond | dfr as "ns" ), (dfr col record_time | dfr datepart second | dfr as "s"), (dfr col record_time | dfr datepart minute | dfr as "m"), (dfr col record_time | dfr datepart hour | dfr as "h") ]```

I'm also proposing we deprecate the dfr get-* commands.  I've not been able to figure out any meaningful way they could ever be useful, and this approach makes more sense by attaching the extracted date part to the row in the original dataframe as a new column.

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# User-Facing Changes

add in dfr datepart as an expression
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# Tests + Formatting
Need to add some better assertive tests.  I'm also not sure how to properly write the test_dataframe at the bottom, but will revisit as part of this PR.  Wanted to get feedback early.

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---------

Co-authored-by: Robert Waugh <robert@waugh.io>
2023-05-30 09:41:18 -05:00
Jack Wright
8144926dc7
Adding JSON lines file support to dataframes (#9291)
# Description
Provides the ability to read and write [JSON
lines](https://jsonlines.org/) files. This is accomplished by exposing
the support already in Polars.

## Opening a JSON lines file 
<img width="1668" alt="Screenshot 2023-05-25 at 5 25 30 PM"
src="https://github.com/nushell/nushell/assets/56345/3b213c3d-eea1-440a-8425-4ce4b39ab7d1">

## Saving a dataframe to a JSON lines file
<img width="848" alt="Screenshot 2023-05-25 at 5 15 57 PM"
src="https://github.com/nushell/nushell/assets/56345/56089990-e14b-4f01-b676-5abab9333d7e">
2023-05-26 16:32:37 -05:00
Darren Schroeder
5f92fd20e9
update most dependencies except where deeper code changes are needed (#9296)
# Description

This PR updates most dependencies and tries to get in sync with
reedline.

# User-Facing Changes
<!-- List of all changes that impact the user experience here. This
helps us keep track of breaking changes. -->

# Tests + Formatting
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Make sure you've run and fixed any issues with these commands:

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clippy::needless_collect -A clippy::result_large_err` to check that
you're using the standard code style
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- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

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# After Submitting
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2023-05-26 10:32:48 -05:00
JT
fa113172da
Fix clippy warnings (upcoming) (#9282)
# Description

Fixes the clippy warnings we're about to get hit with next time we
upgrade Rust.

The big one was shrinking ShellError and related under 128 bytes.

# User-Facing Changes

Shouldn't notice much difference. In theory, we could see a tiny perf
improvement, but I didn't notice one.

# Tests + Formatting
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Make sure you've run and fixed any issues with these commands:

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clippy::needless_collect -A clippy::result_large_err` to check that
you're using the standard code style
- `cargo test --workspace` to check that all tests pass
- `cargo run -- crates/nu-std/tests/run.nu` to run the tests for the
standard library

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> ```
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# After Submitting
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2023-05-25 10:58:18 +12:00
Michael Angerman
c55b5c0a55
move dataframe commands to nu-cmd-dataframe (#9241)
All of the dataframe commands ported over with no issues...

### 11 tests are commented out (for now)

So 100 of the original 111 tests are passing with only 11 tests being
ignored for now..

As per our conversation in the core team meeting on Wednesday
I took @jntrnr  suggestion and just commented out the tests dealing
with
[IntoDatetime](https://github.com/nushell/nushell/blob/main/crates/nu-command/src/conversions/into/mod.rs)

Later on we can move this functionality out of nu-command if we decide
it makes sense...

### The following tests were ignored...

```rust
modified:   crates/nu-cmd-dataframe/src/dataframe/series/date/get_day.rs
modified:   crates/nu-cmd-dataframe/src/dataframe/series/date/get_hour.rs
modified:   crates/nu-cmd-dataframe/src/dataframe/series/date/get_minute.rs

modified:   crates/nu-cmd-dataframe/src/dataframe/series/date/get_month.rs
modified:   crates/nu-cmd-dataframe/src/dataframe/series/date/get_nanosecond.rs
modified:   crates/nu-cmd-dataframe/src/dataframe/series/date/get_ordinal.rs

modified:   crates/nu-cmd-dataframe/src/dataframe/series/date/get_second.rs
modified:   crates/nu-cmd-dataframe/src/dataframe/series/date/get_week.rs
modified:   crates/nu-cmd-dataframe/src/dataframe/series/date/get_weekday.rs

modified:   crates/nu-cmd-dataframe/src/dataframe/series/date/get_year.rs
modified:   crates/nu-cmd-dataframe/src/dataframe/series/string/strftime.rs
```
2023-05-19 10:56:08 -07:00