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nu-command/filters: drop column check positive value (#6412)

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Herlon Aguiar 2022-08-25 18:03:18 +02:00 committed by GitHub
parent 7b502a4c7f
commit 918ec9daa8
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2 changed files with 18 additions and 0 deletions
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7
crates/nu-command/src/filters/drop/column.rs
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@ -49,6 +49,13 @@ impl Command for DropColumn {
1 1
}; };
// Make columns to drop is positive
if columns_to_drop < 0 {
if let Some(expr) = call.positional_nth(0) {
return Err(ShellError::NeedsPositiveValue(expr.span));
}
}
dropcol(engine_state, span, input, columns_to_drop) dropcol(engine_state, span, input, columns_to_drop)
} }

11
crates/nu-command/tests/commands/drop.rs
View File

@ -16,6 +16,17 @@ fn columns() {
assert_eq!(actual.out, "1"); assert_eq!(actual.out, "1");
} }
#[test]
fn drop_columns_positive_value() {
let actual = nu!(
cwd: ".", pipeline(r#"
echo [[a, b];[1,2]] | drop column -1
"#)
);
assert!(actual.err.contains("use a positive value"));
}
#[test] #[test]
fn more_columns_than_table_has() { fn more_columns_than_table_has() {
let actual = nu!( let actual = nu!(