create emailer version 1

env/Lib/site-packages/django/db/backends/oracle/validation.py

@@ -0,0 +1,22 @@
+from django.core import checks
+from django.db.backends.base.validation import BaseDatabaseValidation
+
+
+class DatabaseValidation(BaseDatabaseValidation):
+    def check_field_type(self, field, field_type):
+        """Oracle doesn't support a database index on some data types."""
+        errors = []
+        if field.db_index and field_type.lower() in self.connection._limited_data_types:
+            errors.append(
+                checks.Warning(
+                    "Oracle does not support a database index on %s columns."
+                    % field_type,
+                    hint=(
+                        "An index won't be created. Silence this warning if "
+                        "you don't care about it."
+                    ),
+                    obj=field,
+                    id="fields.W162",
+                )
+            )
+        return errors