skip deferred binding for cosmos trigger

Azure · Jan 11, 2023 · a6e4d8e · a6e4d8e
1 parent 11a0add
commit a6e4d8e
Showing 1 changed file with 12 additions and 3 deletions.
diff --git a/src/WebJobs.Script/Description/Workers/WorkerFunctionDescriptorProvider.cs b/src/WebJobs.Script/Description/Workers/WorkerFunctionDescriptorProvider.cs
@@ -65,11 +65,15 @@ protected override async Task<Collection<ParameterDescriptor>> GetFunctionParame
         {
             var bindings = inputBindings.Union(outputBindings);
 
-            // If an input or output binding uses expressions, we do not want to use ParameterBindingData for the trigger bindings
             if (triggerMetadata.SupportsDeferredBinding())
             {
-                bool skipDeferredBinding = BindingAttributeContainsExpression(bindings);
-                if (skipDeferredBinding)
+                // If an input or output binding uses expressions, we do not want to use ParameterBindingData for the trigger bindings
+                bool containsExpression = BindingAttributeContainsExpression(bindings);
+
+                // If the trigger is a CosmosDBTrigger, we do not want to use ParameterBindingData as it is not supported
+                bool isCosmosTrigger = IsCosmosDBTrigger(triggerMetadata);
+
+                if (containsExpression || isCosmosTrigger)
                 {
                     triggerMetadata.Properties.Add(ScriptConstants.SkipDeferredBindingKey, true);
                 }
@@ -135,5 +139,10 @@ internal bool BindingAttributeContainsExpression(IEnumerable<FunctionBinding> bi
 
             return false;
         }
+
+        internal bool IsCosmosDBTrigger(BindingMetadata triggerMetadata)
+        {
+            return triggerMetadata.Type == "cosmosDBTrigger" ? true : false;
+        }
     }
 }