Return None if the index cannot be created

Author: WaVEV

django_mongodb_backend/indexes.py

@@ -147,8 +147,7 @@ def search_index_data_types(self, field, db_type):
     def get_pymongo_index_model(
         self, model, schema_editor, field=None, unique=False, column_prefix=""
     ):
-        errors = self.check(model, schema_editor.connection)
-        if errors:
+        if not schema_editor.connection.features.supports_atlas_search:
             return None
         fields = {}
         for field_name, _ in self.fields_orders:
@@ -243,8 +242,7 @@ def deconstruct(self):
     def get_pymongo_index_model(
         self, model, schema_editor, field=None, unique=False, column_prefix=""
     ):
-        errors = self.check(model, schema_editor.connection)
-        if errors:
+        if not schema_editor.connection.features.supports_atlas_search:
             return None
         similarities = (
             itertools.cycle([self.similarities])

django_mongodb_backend/schema.py

@@ -263,9 +263,6 @@ def alter_unique_together(
     def add_index(
         self, model, index, *, field=None, unique=False, column_prefix="", parent_model=None
     ):
-        # Check if the index can be created.
-        if hasattr(index, "check") and index.check(model, self.connection):
-            return
         idx = index.get_pymongo_index_model(
             model, schema_editor=self, field=field, unique=unique, column_prefix=column_prefix
         )