Add unit test.

Author: WaVEV

tests/model_fields_/models.py

@@ -135,6 +135,9 @@ class Data(EmbeddedModel):
 
 class NestedData(EmbeddedModel):
     decimal = models.DecimalField(max_digits=9, decimal_places="2", null=True, blank=True)
+    price = models.DecimalField(
+        max_digits=9, decimal_places="2", db_column="price$usd", null=True, blank=True
+    )
 
 
 class Address(EmbeddedModel):

tests/model_fields_/test_embedded_model.py

@@ -140,7 +140,7 @@ def setUpTestData(cls):
                 data=Data(
                     integer=x,
                     decimal=f"{x}.5",
-                    nested_data=NestedData(decimal=f"{x}.5"),
+                    nested_data=NestedData(decimal=f"{x}.5", price=f"{x}.50"),
                 )
             )
             for x in range(6)
@@ -509,6 +509,11 @@ def test_exact_decimal_nested(self):
             Holder.objects.filter(data__nested_data__decimal="3.5"), [self.objs[3]]
         )
 
+    def test_query_price_column(self):
+        self.assertCountEqual(
+            Holder.objects.filter(data__nested_data__price="5.50"), [self.objs[5]]
+        )
+
     def test_order_by_embedded_field(self):
         qs = Holder.objects.filter(data__integer__gt=3).order_by("-data__integer")
         self.assertSequenceEqual(qs, list(reversed(self.objs[4:])))