optimizer.py 文件源码

def reduce_rename_field_self(self, operation, other, in_between):
        if (operation.model_name_lower == other.model_name_lower and
                operation.new_name_lower == other.old_name_lower):
            return [
                migrations.RenameField(
                    operation.model_name,
                    operation.old_name,
                    other.new_name,
                ),
            ]

    # THROUGH CHECKS