- [feature] The before_cursor_execute event

fires off for so-called "_cursor_execute"
    events, which are usually special-case
   executions of primary-key bound sequences
    and default-generation SQL
    phrases that invoke separately when RETURNING
    is not used with INSERT.  [ticket:2459]

test/sql/test_cte.py

@@ -350,3 +350,4 @@ class CTETest(fixtures.TestBase, AssertsCompiledSQL):
             checkpositional=('x', 'y'),
             dialect=dialect
         )
+