feat: new Columnar upload form and API (#28192)

tests/integration_tests/databases/commands/upload_test.py

@@ -138,6 +138,38 @@ def test_csv_upload_dataset():
     assert security_manager.find_user("admin") in dataset.owners
 
 
+@pytest.mark.usefixtures("setup_csv_upload_with_context")
+def test_csv_upload_with_index():
+    admin_user = security_manager.find_user(username="admin")
+    upload_database = get_upload_db()
+
+    with override_user(admin_user):
+        UploadCommand(
+            upload_database.id,
+            CSV_UPLOAD_TABLE,
+            create_csv_file(CSV_FILE_1),
+            None,
+            CSVReader({"dataframe_index": True, "index_label": "id"}),
+        ).run()
+    with upload_database.get_sqla_engine() as engine:
+        data = engine.execute(f"SELECT * from {CSV_UPLOAD_TABLE}").fetchall()
+        assert data == [
+            (0, "name1", 30, "city1", "1-1-1980"),
+            (1, "name2", 29, "city2", "1-1-1981"),
+            (2, "name3", 28, "city3", "1-1-1982"),
+        ]
+        # assert column names
+        assert [
+            col for col in engine.execute(f"SELECT * from {CSV_UPLOAD_TABLE}").keys()
+        ] == [
+            "id",
+            "Name",
+            "Age",
+            "City",
+            "Birth",
+        ]
+
+
 @only_postgresql
 @pytest.mark.usefixtures("setup_csv_upload_with_context")
 def test_csv_upload_database_not_found():