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https://github.com/nushell/nushell
synced 2024-12-25 12:33:17 +00:00
update reject
to be able to recive arg list (#10216)
This PR is in relation to #10215 # Description This PR introduces `reject` to receive list of columns or rows as argument. This change is similar to change of `select` and the code used is similar. # User-Facing Changes The user will be able to pass a list as rejection arguments. ```nushell let arg = [ type size ] [[name type size]; [ cargo.toml file 20mb ] [ Cargo.lock file 20mb] [src dir 100mb]] | reject $arg ```
This commit is contained in:
parent
248aca7a44
commit
6811700b90
2 changed files with 116 additions and 7 deletions
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@ -24,7 +24,10 @@ impl Command for Reject {
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])
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])
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.rest(
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.rest(
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"rest",
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"rest",
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SyntaxShape::CellPath,
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SyntaxShape::OneOf(vec![
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SyntaxShape::CellPath,
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SyntaxShape::List(Box::new(SyntaxShape::CellPath)),
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]),
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"the names of columns to remove from the table",
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"the names of columns to remove from the table",
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)
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)
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.category(Category::Filters)
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.category(Category::Filters)
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@ -49,9 +52,81 @@ impl Command for Reject {
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call: &Call,
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call: &Call,
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input: PipelineData,
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input: PipelineData,
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) -> Result<PipelineData, ShellError> {
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) -> Result<PipelineData, ShellError> {
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let columns: Vec<CellPath> = call.rest(engine_state, stack, 0)?;
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let columns: Vec<Value> = call.rest(engine_state, stack, 0)?;
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let mut new_columns: Vec<CellPath> = vec![];
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for col_val in columns {
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let col_span = &col_val.span();
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match col_val {
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Value::CellPath { val, .. } => {
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new_columns.push(val);
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}
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Value::List { vals, .. } => {
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for value in vals {
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let val_span = &value.span();
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match value {
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Value::String { val, .. } => {
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let cv = CellPath {
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members: vec![PathMember::String {
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val: val.clone(),
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span: *val_span,
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optional: false,
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}],
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};
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new_columns.push(cv.clone());
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}
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Value::Int { val, .. } => {
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let cv = CellPath {
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members: vec![PathMember::Int {
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val: val as usize,
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span: *val_span,
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optional: false,
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}],
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};
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new_columns.push(cv.clone());
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}
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y => {
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return Err(ShellError::CantConvert {
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to_type: "cell path".into(),
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from_type: y.get_type().to_string(),
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span: y.span(),
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help: None,
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});
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}
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}
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}
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}
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Value::String { val, .. } => {
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let cv = CellPath {
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members: vec![PathMember::String {
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val: val.clone(),
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span: *col_span,
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optional: false,
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}],
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};
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new_columns.push(cv.clone());
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}
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Value::Int { val, .. } => {
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let cv = CellPath {
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members: vec![PathMember::Int {
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val: val as usize,
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span: *col_span,
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optional: false,
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}],
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};
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new_columns.push(cv.clone());
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}
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x => {
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return Err(ShellError::CantConvert {
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to_type: "cell path".into(),
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from_type: x.get_type().to_string(),
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span: x.span(),
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help: None,
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});
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}
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}
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}
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let span = call.head;
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let span = call.head;
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reject(engine_state, span, input, columns)
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reject(engine_state, span, input, new_columns)
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}
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}
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fn examples(&self) -> Vec<Example> {
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fn examples(&self) -> Vec<Example> {
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@ -75,13 +150,13 @@ impl Command for Reject {
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Example {
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Example {
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description: "Reject a row in a table",
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description: "Reject a row in a table",
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example: "[[a, b]; [1, 2] [3, 4]] | reject 1",
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example: "[[a, b]; [1, 2] [3, 4]] | reject 1",
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result: Some(Value::List {
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result: Some(Value::list(
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vals: vec![Value::test_record(Record {
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vec![Value::test_record(Record {
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cols: vec!["a".to_string(), "b".to_string()],
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cols: vec!["a".to_string(), "b".to_string()],
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vals: vec![Value::test_int(1), Value::test_int(2)],
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vals: vec![Value::test_int(1), Value::test_int(2)],
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})],
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})],
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span: Span::test_data(),
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Span::test_data(),
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}),
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)),
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},
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},
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Example {
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Example {
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description: "Reject the specified field in a record",
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description: "Reject the specified field in a record",
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@ -102,6 +177,16 @@ impl Command for Reject {
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})],
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})],
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})),
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})),
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},
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},
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Example {
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description: "Reject columns by a provided list of columns",
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example: "let cols = [size type];[[name type size]; [Cargo.toml toml 1kb] [Cargo.lock toml 2kb]] | reject $cols",
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result: None
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},
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Example {
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description: "Reject rows by a provided list of rows",
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example: "let rows = [0 2];[[name type size]; [Cargo.toml toml 1kb] [Cargo.lock toml 2kb] [file.json json 3kb]] | reject $rows",
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result: None
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},
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]
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]
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}
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}
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}
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}
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@ -150,6 +150,30 @@ fn reject_optional_row() {
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assert_eq!(actual.out, "[[foo]; [bar]]");
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assert_eq!(actual.out, "[[foo]; [bar]]");
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}
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}
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#[test]
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fn reject_list_columns() {
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let actual = nu!("let arg = [type size]; [[name type size];[Cargo.toml file 10mb] [Cargo.lock file 10mb] [src dir 100mb]] | reject $arg | to nuon");
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assert_eq!(actual.out, "[[name]; [Cargo.toml], [Cargo.lock], [src]]");
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}
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#[test]
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fn reject_list_rows() {
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let actual = nu!("let arg = [2 0]; [[name type size];[Cargo.toml file 10mb] [Cargo.lock file 10mb] [src dir 100mb]] | reject $arg | to nuon");
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assert_eq!(
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actual.out,
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"[[name, type, size]; [Cargo.lock, file, 10000000b]]"
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);
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}
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#[test]
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fn rject_list_mixed() {
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let actual = nu!("let arg = [ type 2]; [[name type size];[Cargp.toml file 10mb] [ Cargo.lock file 10mb] [src dir 100mb]] | reject $arg | to nuon");
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assert_eq!(
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actual.out,
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"[[name, size]; [Cargp.toml, 10000000b], [Cargo.lock, 10000000b]]"
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);
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}
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#[test]
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#[test]
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fn reject_multiple_rows_ascending() {
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fn reject_multiple_rows_ascending() {
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let actual = nu!("[[a,b];[1 2] [3 4] [5 6]] | reject 1 2 | to nuon");
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let actual = nu!("[[a,b];[1 2] [3 4] [5 6]] | reject 1 2 | to nuon");
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