Handle null

Dhiren Sham · Dhiren Sham · commit 1f00bb338f54 · 2025-03-09T18:55:55.000+02:00
diff --git a/src/CouchDB.Driver/Query/QueryOptimizer.cs b/src/CouchDB.Driver/Query/QueryOptimizer.cs
@@ -105,9 +105,13 @@ protected override Expression VisitMethodCall(MethodCallExpression node)
 
                     while (_nextWhereCalls.Count > 0)
                     {
-                        Expression nextWhereBody = _nextWhereCalls.Dequeue().GetLambdaBody();
-                        conditionExpression = Expression.AndAlso(nextWhereBody, conditionExpression);
-                        conditionExpression = Visit(conditionExpression);
+                        var call = _nextWhereCalls.Dequeue();
+                        if (call != null)
+                        {
+                            Expression nextWhereBody = call.GetLambdaBody();
+                            conditionExpression = Expression.AndAlso(nextWhereBody, conditionExpression);
+                            conditionExpression = Visit(conditionExpression);
+                        }
                     }
 
                     if (conditionExpression.IsBoolean())
