Revert "[sqllab] fix, strip comments before parsing statements" (#9862)

This reverts commit 949c4eae28.

Co-authored-by: John Bodley <john.bodley@airbnb.com>

superset/sql_parse.py

@@ -82,10 +82,7 @@ class ParsedQuery:
         self._limit: Optional[int] = None
 
         logger.debug("Parsing with sqlparse statement: %s", self.sql)
-        self._parsed = sqlparse.parse(
-            sqlparse.format(self.stripped(), strip_comments=True)
-        )
-
+        self._parsed = sqlparse.parse(self.stripped())
         for statement in self._parsed:
             self._limit = _extract_limit_from_query(statement)
 

tests/sql_parse_tests.py

@@ -534,17 +534,6 @@ class SupersetTestCase(unittest.TestCase):
         expected = ["SELECT * FROM birth_names", "SELECT * FROM birth_names LIMIT 1"]
         self.assertEqual(statements, expected)
 
-    def test_comment_breakdown_statements(self):
-        multi_sql = """
-        SELECT * FROM birth_names;
-        -- some comment
-        """
-        parsed = ParsedQuery(multi_sql)
-        statements = parsed.get_statements()
-        self.assertEqual(len(statements), 1)
-        expected = ["SELECT * FROM birth_names"]
-        self.assertEqual(statements, expected)
-
     def test_messy_breakdown_statements(self):
         multi_sql = """
         SELECT 1;\t\n\n\n  \t