Fix query transformation regarding special operators

2020-08-04 00:30:15 +08:00
parent 4f188655d0
commit 3e1c83f8fa
2 changed files with 33 additions and 0 deletions
--- a/mongoengine/fields.py
+++ b/mongoengine/fields.py
@@ -773,6 +773,9 @@ class EmbeddedDocumentField(BaseField):

    def prepare_query_value(self, op, value):
        if value is not None and not isinstance(value, self.document_type):
+            # Short circuit for special operators, returning them as is
+            if isinstance(value, dict) and all(k.startswith('$') for k in value.keys()):
+                return value
            try:
                value = self.document_type._from_son(value)
            except ValueError: