Display rows in the same table regardless of their column order given they are equal. (#1392)

src/commands/table.rs

@@ -72,13 +72,21 @@ fn table(args: CommandArgs, registry: &CommandRegistry) -> Result<OutputStream,
                         Some(a) => {
                             if !new_input.is_empty() {
                                 if let Some(descs) = new_input.get(0) {
+
                                     let descs = descs.data_descriptors();
-                                    let compare = a.data_descriptors();
+                                    let descs_size = descs.len();
-                                    if descs != compare {
+
+                                    let a_descs = a.data_descriptors();
+
+                                    let mut compare = a_descs;
+                                    compare.extend(descs.into_iter());
+                                    compare.dedup();
+
+                                    if !compare.is_empty() {
+                                        new_input.push_back(a);
+                                    } else {
                                         delay_slot = Some(a);
                                         break;
-                                    } else {
-                                        new_input.push_back(a);
                                     }
                                 } else {
                                     new_input.push_back(a);

tests/shell/pipeline/mod.rs

@@ -1,6 +1,8 @@
 mod commands;
 
+use nu_test_support::fs::Stub::FileWithContentToBeTrimmed;
 use nu_test_support::nu;
+use nu_test_support::playground::Playground;
 
 #[test]
 fn doesnt_break_on_utf8() {
@@ -8,3 +10,31 @@ fn doesnt_break_on_utf8() {
 
     assert_eq!(actual, "ö", "'{}' should contain ö", actual);
 }
+
+#[test]
+fn visualize_one_table_given_rows_with_same_columns_regardless_of_their_order_per_row() {
+    Playground::setup("visualize_table_test_1", |dirs, sandbox| {
+        sandbox.with_files(vec![FileWithContentToBeTrimmed(
+            "unordered_columns.txt",
+            r#"
+                [
+                    {"name":"Andrés", "rusty_luck": 1         },
+                    {"rusty_luck": 1,       "name": "Jonathan"},
+                ]
+            "#,
+        )]);
+
+        let actual = nu!(
+            cwd: dirs.test(), "open unordered_columns.txt | from-json"
+        );
+
+        let name_column_indices: Vec<_> = actual.match_indices("name").collect();
+        let rusty_luck_column_indices: Vec<_> = actual.match_indices("rusty_luck").collect();
+
+        for (index, (name_index, _)) in name_column_indices.iter().enumerate() {
+            let (rusty_luck_index, _) = rusty_luck_column_indices[index];
+
+            assert!(name_index < &rusty_luck_index);
+        }
+    })
+}