Fix UUID space error

Author: OskarPersson

setup.py

@@ -17,7 +17,7 @@
 
 setup(
     name='django-mssql-backend',
-    version='2.4.0',
+    version='2.4.1',
     description='Django backend for Microsoft SQL Server',
     long_description=open('README.rst').read(),
     author='ES Solutions AB',

sql_server/pyodbc/base.py

@@ -97,7 +97,7 @@ class DatabaseWrapper(BaseDatabaseWrapper):
         'SmallIntegerField': 'smallint',
         'TextField': 'nvarchar(max)',
         'TimeField': 'time',
-        'UUIDField': 'char(32)',
+        'UUIDField': 'char(36)',
     }
     data_type_check_constraints = {
         'PositiveIntegerField': '[%(column)s] >= 0',

testapp/migrations/0001_initial.py

@@ -1,5 +1,7 @@
 # Generated by Django 2.2.8.dev20191112211527 on 2019-11-15 01:38
 
+import uuid
+
 from django.db import migrations, models
 import django
 
@@ -28,4 +30,10 @@ class Migration(migrations.Migration):
                 ('created_at', models.DateTimeField(default=django.utils.timezone.now)),
             ],
         ),
+        migrations.CreateModel(
+            name='UUIDModel',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
+            ],
+        ),
     ]

testapp/models.py

@@ -1,3 +1,5 @@
+import uuid
+
 from django.db import models
 from django.utils import timezone
 
@@ -16,3 +18,10 @@ class Comment(models.Model):
 
     def __str__(self):
         return self.text
+
+
+class UUIDModel(models.Model):
+    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+
+    def __str__(self):
+        return self.pk

testapp/tests/test_fields.py

@@ -0,0 +1,8 @@
+from django.test import TestCase
+
+from ..models import UUIDModel
+
+
+class TestUUIDField(TestCase):
+    def test_create(self):
+        UUIDModel.objects.create()