forked from extern/nushell
7625aed200
This PR adds a command `join` for performing SQL-style joins on Nushell
tables:
```
〉join -h
Join two tables
Usage:
> join {flags} <right-table> <left-on> (right-on)
Flags:
-h, --help - Display the help message for this command
-i, --inner - Inner join (default)
-l, --left - Left-outer join
-r, --right - Right-outer join
-o, --outer - Outer join
Signatures:
<table> | join list<any>, <string>, <string?> -> <table>
Parameters:
right-table <list<any>>: The right table in the join
left-on <string>: Name of column in input (left) table to join on
(optional) right-on <string>: Name of column in right table to join on. Defaults to same column as left table.
Examples:
Join two tables
> [{a: 1 b: 2}] | join [{a: 1 c: 3}] a
╭───┬───┬───╮
│ a │ b │ c │
├───┼───┼───┤
│ 1 │ 2 │ 3 │
╰───┴───┴───╯
```
<table>
<tbody>
<tr>
<td><img width="400" alt="image"
src="https://user-images.githubusercontent.com/52205/224578744-eb9d133e-2510-4a3d-bd0a-d615f07a06b7.png"></td>
</tr>
</tbody>
</table>
# User-Facing Changes
Adds a new command `join`
# Tests + Formatting
```
cargo test -p nu-command commands::join
```
Don't forget to add tests that cover your changes.
- [x] `cargo fmt --all -- --check` to check standard code formatting
(`cargo fmt --all` applies these changes)
- [x] `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A
clippy::needless_collect` to check that you're using the standard code
style
- [x] `cargo test --workspace` to check that all tests pass
# After Submitting
- [ ] If your PR had any user-facing changes, update [the
documentation](https://github.com/nushell/nushell.github.io) after the
PR is merged, if necessary. This will help us keep the docs up to date.
---------
Co-authored-by: Reilly Wood <reilly.wood@icloud.com>
113 lines
1.3 KiB
Rust
113 lines
1.3 KiB
Rust
mod alias;
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mod all;
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mod any;
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mod append;
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mod assignment;
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mod break_;
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mod bytes;
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mod cal;
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mod cd;
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mod compact;
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mod continue_;
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mod cp;
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mod date;
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mod def;
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mod default;
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mod do_;
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mod drop;
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mod each;
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mod echo;
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mod empty;
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mod enter;
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mod error_make;
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mod every;
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#[cfg(not(windows))]
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mod exec;
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mod export_def;
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mod fill;
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mod find;
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mod first;
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mod flatten;
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mod for_;
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mod format;
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mod g;
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mod get;
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mod glob;
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mod group_by;
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mod hash_;
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mod headers;
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mod help;
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mod histogram;
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mod insert;
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mod into_filesize;
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mod into_int;
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mod join;
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mod last;
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mod length;
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mod let_;
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mod lines;
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mod loop_;
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mod ls;
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mod math;
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mod merge;
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mod mkdir;
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mod move_;
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mod mut_;
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mod n;
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mod network;
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mod nu_check;
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mod open;
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mod p;
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mod parse;
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mod path;
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mod platform;
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mod prepend;
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mod print;
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#[cfg(feature = "sqlite")]
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mod query;
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mod random;
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mod range;
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mod redirection;
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mod reduce;
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mod reject;
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mod rename;
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mod return_;
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mod reverse;
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mod rm;
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mod roll;
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mod rotate;
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mod run_external;
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mod save;
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mod select;
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mod semicolon;
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mod seq;
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mod seq_char;
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mod shells;
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mod skip;
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mod sort;
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mod sort_by;
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mod source_env;
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mod split_by;
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mod split_column;
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mod split_row;
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mod str_;
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mod table;
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mod take;
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mod to_text;
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mod touch;
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mod transpose;
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mod try_;
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mod uniq;
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mod uniq_by;
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mod update;
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mod upsert;
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mod url;
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mod use_;
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mod where_;
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#[cfg(feature = "which-support")]
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mod which;
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mod while_;
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mod with_env;
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mod wrap;
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mod zip;
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