add ExpressionList.as_mql()

for django/django@d99985b

Author: timgraham

django_mongodb_backend/expressions.py

@@ -10,6 +10,7 @@
     Col,
     CombinedExpression,
     Exists,
+    ExpressionList,
     ExpressionWrapper,
     F,
     NegatedExpression,
@@ -24,6 +25,8 @@
 )
 from django.db.models.sql import Query
 
+from .query_utils import process_lhs
+
 
 def case(self, compiler, connection):
     case_parts = []
@@ -83,6 +86,10 @@ def expression_wrapper(self, compiler, connection):
     return self.expression.as_mql(compiler, connection)
 
 
+def expression_list(self, compiler, connection):
+    return process_lhs(self, compiler, connection)
+
+
 def f(self, compiler, connection):  # noqa: ARG001
     return f"${self.name}"
 
@@ -206,6 +213,7 @@ def register_expressions():
     Col.as_mql = col
     CombinedExpression.as_mql = combined_expression
     Exists.as_mql = exists
+    ExpressionList.as_mql = expression_list
     ExpressionWrapper.as_mql = expression_wrapper
     F.as_mql = f
     NegatedExpression.as_mql = negated_expression