Fixed #21844: Move quote_parameter off of Operations and rename

django/db/backends/oracle/schema.py

@@ -1,5 +1,7 @@
 import copy
+import datetime
 
+from django.utils import six
 from django.db.backends.schema import BaseDatabaseSchemaEditor
 from django.db.utils import DatabaseError
 
@@ -15,6 +17,16 @@ class DatabaseSchemaEditor(BaseDatabaseSchemaEditor):
     sql_delete_column = "ALTER TABLE %(table)s DROP COLUMN %(column)s"
     sql_delete_table = "DROP TABLE %(table)s CASCADE CONSTRAINTS"
 
+    def quote_value(self, value):
+        if isinstance(value, (datetime.date, datetime.time, datetime.datetime)):
+            return "'%s'" % value
+        elif isinstance(value, six.string_types):
+            return repr(value)
+        elif isinstance(value, bool):
+            return "1" if value else "0"
+        else:
+            return str(value)
+
     def delete_model(self, model):
         # Run superclass action
         super(DatabaseSchemaEditor, self).delete_model(model)
@@ -92,4 +104,4 @@ class DatabaseSchemaEditor(BaseDatabaseSchemaEditor):
         return self.normalize_name(for_name + "_" + suffix)
 
     def prepare_default(self, value):
-        return self.connection.ops.quote_parameter(value)
+        return self.quote_value(value)