pg8000 doesn't seem to support this either

diff --git a/test/dialect/test_postgresql.py b/test/dialect/test_postgresql.py
index b950836a98e7a3a63e83c62ad961dda527a55aad..2d05939fea27212567bf3260504a3df1c1906951 100644 (file)
--- a/test/dialect/test_postgresql.py
+++ b/test/dialect/test_postgresql.py
@@ -1027,7 +1027,10 @@ class MiscTest(TestBase, AssertsExecutionResults, AssertsCompiledSQL):
         finally:
             meta1.drop_all()
 
-    @testing.fails_on('+zxjdbc', "Can't infer the SQL type to use for an instance of org.python.core.PyObjectDerived.")
+    @testing.fails_on('+zxjdbc', "Can't infer the SQL type to use "
+                                "for an instance of "
+                                "org.python.core.PyObjectDerived.")
+    @testing.fails_on('+pg8000', "Can't determine correct type.")
     def test_extract(self):
         fivedaysago = datetime.datetime.now() - datetime.timedelta(days=5)
         for field, exp in (