From bde33bdd51b58a63d3e50fab687815968383b86d Mon Sep 17 00:00:00 2001
From: Mariusz Felisiak <felisiak.mariusz@gmail.com>
Date: Thu, 16 Jul 2020 09:43:08 +0200
Subject: [PATCH] Stopped adapting DecimalField values to strings on Oracle.

cx_Oracle handles decimal.Decimal.

expressions_case.tests.CaseExpressionTests.test_update_decimal fails without
this change.

Follow up to 9c5c9bd7091b60fdccc405890dc4f44a8010e954.
---
 django/db/backends/oracle/operations.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/django/db/backends/oracle/operations.py b/django/db/backends/oracle/operations.py
index 9dc28c84cd..e156bf37a4 100644
--- a/django/db/backends/oracle/operations.py
+++ b/django/db/backends/oracle/operations.py
@@ -570,6 +570,9 @@ END;
         return Oracle_datetime(1900, 1, 1, value.hour, value.minute,
                                value.second, value.microsecond)
 
+    def adapt_decimalfield_value(self, value, max_digits=None, decimal_places=None):
+        return value
+
     def combine_expression(self, connector, sub_expressions):
         lhs, rhs = sub_expressions
         if connector == '%%':