Adding upstream version 23.12.1.

Signed-off-by: Daniel Baumann <daniel@debian.org>

tests/test_optimizer.py

@@ -228,6 +228,17 @@ class TestOptimizer(unittest.TestCase):
 
     @patch("sqlglot.generator.logger")
     def test_qualify_columns(self, logger):
+        self.assertEqual(
+            optimizer.qualify.qualify(
+                parse_one(
+                    "SELECT `my_db.my_table`.`my_column` FROM `my_db.my_table`",
+                    read="bigquery",
+                ),
+                dialect="bigquery",
+            ).sql(dialect="bigquery"),
+            "SELECT `my_table`.`my_column` AS `my_column` FROM `my_db.my_table` AS `my_table`",
+        )
+
         self.assertEqual(
             optimizer.qualify_columns.qualify_columns(
                 parse_one(