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Merge pull request #503 from twe4ked/remove-sort-by-reverse-flag

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Remove sort-by --reverse flag
This commit is contained in:
Jonathan Turner 2019-08-28 16:25:51 +12:00 committed by GitHub
commit 94752a3004
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 4 additions and 22 deletions
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2
README.md
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@ -202,7 +202,7 @@ Nu adheres closely to a set of goals that make up its design philosophy. As feat
| pick ...columns | Down-select table to only these columns |
| reject ...columns | Remove the given columns from the table |
| get column-or-column-path | Open given cells as text |
| sort-by ...columns (--reverse) | Sort by the given columns |
| sort-by ...columns | Sort by the given columns |
| where condition | Filter table to match the condition |
| inc (field) | Increment a value or version. Optional use the field of a table |
| add field value | Add a new field to the table |

13
src/commands/sort_by.rs
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@ -7,7 +7,6 @@ pub struct SortBy;
#[derive(Deserialize)]
pub struct SortByArgs {
rest: Vec<Tagged<String>>,
reverse: bool,
}
impl WholeStreamCommand for SortBy {
@ -24,14 +23,12 @@ impl WholeStreamCommand for SortBy {
}
fn signature(&self) -> Signature {
Signature::build("sort-by")
.rest(SyntaxType::String)
.switch("reverse")
Signature::build("sort-by").rest(SyntaxType::String)
}
}
fn sort_by(
SortByArgs { reverse, rest }: SortByArgs,
SortByArgs { rest }: SortByArgs,
mut context: RunnableContext,
) -> Result<OutputStream, ShellError> {
Ok(OutputStream::new(async_stream_block! {
@ -42,11 +39,7 @@ fn sort_by(
.map(|f| item.get_data_by_key(f).map(|i| i.clone()))
.collect::<Vec<Option<Tagged<Value>>>>()
};
if reverse {
vec.sort_by_cached_key(|item| std::cmp::Reverse(calc_key(item)));
} else {
vec.sort_by_cached_key(calc_key);
};
vec.sort_by_cached_key(calc_key);
for item in vec {
yield item.into();

11
tests/filters_test.rs
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@ -215,17 +215,6 @@ fn can_sort_by_column() {
assert_eq!(output, "description");
}
#[test]
fn can_sort_by_column_reverse() {
nu!(
output,
cwd("tests/fixtures/formats"),
r#"open cargo_sample.toml --raw | lines | skip 1 | first 4 | split-column "=" | sort-by Column1 --reverse | skip 1 | first 1 | get Column1 | trim | echo $it"#
);
assert_eq!(output, "name");
}
#[test]
fn can_split_by_column() {
nu!(