From fc9eec7bb7d5e3e6426bb612277bfcecb943e8ac Mon Sep 17 00:00:00 2001
From: Mariusz Felisiak <felisiak.mariusz@gmail.com>
Date: Wed, 20 Dec 2017 17:05:27 +0100
Subject: Fixed #28934 -- Prevented Cast from truncating microseconds on
 Oracle.

---
 django/db/backends/oracle/base.py | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'django')

diff --git a/django/db/backends/oracle/base.py b/django/db/backends/oracle/base.py
index 74bad39214..45c3c4e475 100644
--- a/django/db/backends/oracle/base.py
+++ b/django/db/backends/oracle/base.py
@@ -350,6 +350,8 @@ class OracleParam:
         elif string_size > 4000:
             # Mark any string param greater than 4000 characters as a CLOB.
             self.input_size = Database.CLOB
+        elif isinstance(param, datetime.datetime):
+            self.input_size = Database.TIMESTAMP
         else:
             self.input_size = None
 
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