Re-enable setinputsizes for Oracle TIMESTAMP

Fixed regression where the removal of most setinputsizes
rules from cx_Oracle dialect impacted the TIMESTAMP
datatype's ability to retrieve fractional seconds.

Fixes: #4157
Change-Id: Ic53109fd199aea8b9c4da14355e125849b8b198f

1 files changed, 7 insertions, 0 deletions

diff --git a/lib/sqlalchemy/testing/requirements.py b/lib/sqlalchemy/testing/requirements.py
index b89d149d6..4d9726e2b 100644
--- a/lib/sqlalchemy/testing/requirements.py
+++ b/lib/sqlalchemy/testing/requirements.py
@@ -499,6 +499,13 @@ class SuiteRequirements(Requirements):
         return exclusions.open()
 
     @property
+    def timestamp_microseconds(self):
+        """target dialect supports representation of Python
+        datetime.datetime() with microsecond objects but only
+        if TIMESTAMP is used."""
+        return exclusions.closed()
+
+    @property
     def datetime_historic(self):
         """target dialect supports representation of Python
         datetime.datetime() objects with historic (pre 1970) values."""