Subpartitioning: Adds support for Prefix Partition Key searches for sub partitioned containers

Microsoft.Azure.Cosmos/src/Handler/RequestInvokerHandler.cs

@@ -161,6 +161,14 @@ public virtual async Task<ResponseMessage> SendAsync(
 
                     if (feedRange != null)
                     {
+                        if (!request.OperationType.IsPointOperation()) 
+                        {
+                            feedRange = await RequestInvokerHandler.ResolveFeedRangeBasedOnPrefixContainerAsync(
+                                feedRange: feedRange,
+                                cosmosContainerCore: cosmosContainerCore,
+                                cancellationToken: cancellationToken);
+                        }
+
                         if (feedRange is FeedRangePartitionKey feedRangePartitionKey)
                         {
                             if (cosmosContainerCore == null && object.ReferenceEquals(feedRangePartitionKey.PartitionKey, Cosmos.PartitionKey.None))
@@ -480,5 +488,27 @@ private static bool IsClientNoResponseSet(CosmosClientOptions clientOptions, Ope
                 && clientOptions.EnableContentResponseOnWrite.HasValue
                 && RequestInvokerHandler.IsItemNoRepsonseSet(clientOptions.EnableContentResponseOnWrite.Value, operationType);
         }
+
+        internal static async Task<FeedRange> ResolveFeedRangeBasedOnPrefixContainerAsync(
+            FeedRange feedRange,
+            ContainerInternal cosmosContainerCore,
+            CancellationToken cancellationToken)
+        {
+            if (feedRange is FeedRangePartitionKey feedRangePartitionKey)
+            {
+                PartitionKeyDefinition partitionKeyDefinition = await cosmosContainerCore
+                    .GetPartitionKeyDefinitionAsync(cancellationToken)
+                    .ConfigureAwait(false);
+
+                if (partitionKeyDefinition != null && partitionKeyDefinition.Kind == PartitionKind.MultiHash)
+                {
+                    return feedRangePartitionKey.PartitionKey.InternalKey?.Components?.Count >= partitionKeyDefinition.Paths?.Count
+                        ? feedRange
+                        : new FeedRangeEpk(feedRangePartitionKey.PartitionKey.InternalKey.GetEPKRangeForPrefixPartitionKey(partitionKeyDefinition));
+                }
+            }
+
+            return feedRange;
+        }
     }
 }

Microsoft.Azure.Cosmos/src/Resource/Container/ContainerCore.Items.cs

@@ -959,12 +959,6 @@ private async Task<ResponseMessage> ExtractPartitionKeyAndProcessItemStreamAsync
             // User specified PK value, no need to extract it
             if (partitionKey.HasValue)
             {
-                PartitionKeyDefinition pKeyDefinition = await this.GetPartitionKeyDefinitionAsync();
-                if (partitionKey.HasValue && partitionKey.Value != PartitionKey.None && partitionKey.Value.InternalKey.Components.Count != pKeyDefinition.Paths.Count)
-                {
-                    throw new ArgumentException(RMResources.MissingPartitionKeyValue);
-                }
-
                 return await this.ProcessItemStreamAsync(
                         partitionKey,
                         itemId,

Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.EmulatorTests/BaselineTest/TestBaseline/EndToEndTraceWriterBaselineTests.BulkOperationsAsync.xml

@@ -38,6 +38,12 @@
     │   )
     ├── ItemSerialize(00000000-0000-0000-0000-000000000000)  Transport-Component  00:00:00:000  0.00 milliseconds  
     ├── Get Collection Cache(00000000-0000-0000-0000-000000000000)  Routing-Component  00:00:00:000  0.00 milliseconds  
+    │   └── Waiting for Initialization of client to complete(00000000-0000-0000-0000-000000000000)  Unknown-Component  00:00:00:000  0.00 milliseconds  
+    ├── Read Collection(00000000-0000-0000-0000-000000000000)  Transport-Component  00:00:00:000  0.00 milliseconds  
+    │       (
+    │           [Client Side Request Stats]
+    │           Redacted To Not Change The Baselines From Run To Run
+    │       )
     ├── Batch Dispatch Async(00000000-0000-0000-0000-000000000000)  Batch-Component  00:00:00:000  0.00 milliseconds  
     │   ├── Using Wait(00000000-0000-0000-0000-000000000000)  Batch-Component  00:00:00:000  0.00 milliseconds  
     │   ├── Microsoft.Azure.Cosmos.Handlers.RequestInvokerHandler(00000000-0000-0000-0000-000000000000)  RequestHandler-Component  00:00:00:000  0.00 milliseconds  
@@ -72,7 +78,20 @@
     },
     {
       "name": "Get Collection Cache",
-      "duration in milliseconds": 0
+      "duration in milliseconds": 0,
+      "children": [
+        {
+          "name": "Waiting for Initialization of client to complete",
+          "duration in milliseconds": 0
+        }
+      ]
+    },
+    {
+      "name": "Read Collection",
+      "duration in milliseconds": 0,
+      "data": {
+        "Client Side Request Stats": "Redacted To Not Change The Baselines From Run To Run"
+      }
     },
     {
       "name": "Batch Dispatch Async",
@@ -1634,6 +1653,12 @@
     │   )
     ├── ItemSerialize(00000000-0000-0000-0000-000000000000)  Transport-Component  00:00:00:000  0.00 milliseconds  
     ├── Get Collection Cache(00000000-0000-0000-0000-000000000000)  Routing-Component  00:00:00:000  0.00 milliseconds  
+    │   └── Waiting for Initialization of client to complete(00000000-0000-0000-0000-000000000000)  Unknown-Component  00:00:00:000  0.00 milliseconds  
+    ├── Read Collection(00000000-0000-0000-0000-000000000000)  Transport-Component  00:00:00:000  0.00 milliseconds  
+    │       (
+    │           [Client Side Request Stats]
+    │           Redacted To Not Change The Baselines From Run To Run
+    │       )
     ├── Batch Dispatch Async(00000000-0000-0000-0000-000000000000)  Batch-Component  00:00:00:000  0.00 milliseconds  
     │   ├── Using Wait(00000000-0000-0000-0000-000000000000)  Batch-Component  00:00:00:000  0.00 milliseconds  
     │   ├── Microsoft.Azure.Cosmos.Handlers.RequestInvokerHandler(00000000-0000-0000-0000-000000000000)  RequestHandler-Component  00:00:00:000  0.00 milliseconds  
@@ -1808,7 +1833,20 @@
     },
     {
       "name": "Get Collection Cache",
-      "duration in milliseconds": 0
+      "duration in milliseconds": 0,
+      "children": [
+        {
+          "name": "Waiting for Initialization of client to complete",
+          "duration in milliseconds": 0
+        }
+      ]
+    },
+    {
+      "name": "Read Collection",
+      "duration in milliseconds": 0,
+      "data": {
+        "Client Side Request Stats": "Redacted To Not Change The Baselines From Run To Run"
+      }
     },
     {
       "name": "Batch Dispatch Async",