Fixed #32060 -- Added Random database function.

tests/db_functions/math/test_random.py

@@ -0,0 +1,13 @@
+from django.db.models.functions import Random
+from django.test import TestCase
+
+from ..models import FloatModel
+
+
+class RandomTests(TestCase):
+    def test(self):
+        FloatModel.objects.create()
+        obj = FloatModel.objects.annotate(random=Random()).first()
+        self.assertIsInstance(obj.random, float)
+        self.assertGreaterEqual(obj.random, 0)
+        self.assertLess(obj.random, 1)