Fixed wrong call signature for cursor.fetchall and updated unit test

Signed-off-by: Bjarke Enkelund <47357343+MisterWheatley@users.noreply.github.com>

Author: MisterWheatley

sqlmesh/core/engine_adapter/databricks.py

@@ -431,6 +431,7 @@ def columns(
             .order_by("ordinal_position ASC")
         )
 
-        result = self.cursor.fetchall(query)
+        self.cursor.execute(query)
+        result = self.cursor.fetchall()
 
         return {row[0]: exp.DataType.build(row[1], dialect=self.dialect) for row in result}

tests/core/engine_adapter/test_databricks.py

@@ -578,7 +578,7 @@ def test_columns(mocker: MockFixture, make_mocked_engine_adapter: t.Callable):
         ),
     }
 
-    adapter.cursor.fetchall.assert_called_once_with(
+    adapter.cursor.execute.assert_called_once_with(
         parse_one(
             """SELECT columns.column_name, columns.full_data_type FROM system.information_schema.columns WHERE table_name = 'test_table' AND table_schema = 'test_db' AND table_catalog = 'test_catalog' ORDER BY ordinal_position ASC""",
             dialect="databricks",