Improved the performance of TableServiceClient.GetTableClient() (Azure#47406)

Author: christothes

sdk/tables/Azure.Data.Tables/CHANGELOG.md

@@ -11,6 +11,7 @@
 ### Bugs Fixed
 
 ### Other Changes
+- Improved the performance of `TableServiceClient.GetTableClient()`
 
 ## 12.9.1 (2024-09-17)
 

sdk/tables/Azure.Data.Tables/src/TableClient.cs

@@ -234,7 +234,7 @@ public TableClient(string connectionString, string tableName, TableClientOptions
             _version = options.VersionString;
             _diagnostics = new ClientDiagnostics(options);
             _tableOperations = new TableRestClient(_diagnostics, _pipeline, _endpoint.AbsoluteUri, _version);
-            _batchOperations = new TableRestClient(_diagnostics, CreateBatchPipeline(), _tableOperations.endpoint, _tableOperations.clientVersion);
+            _batchOperations = new TableRestClient(_diagnostics, _batchPipeline, _tableOperations.endpoint, _tableOperations.clientVersion);
             Name = tableName;
             Uri = new TableUriBuilder(_endpoint) { Query = null, Sas = null, Tablename = Name }.ToUri();
         }
@@ -286,7 +286,7 @@ public TableClient(Uri endpoint, string tableName, TokenCredential tokenCredenti
             _version = options.VersionString;
             _diagnostics = new ClientDiagnostics(options);
             _tableOperations = new TableRestClient(_diagnostics, _pipeline, _endpoint.AbsoluteUri, _version);
-            _batchOperations = new TableRestClient(_diagnostics, CreateBatchPipeline(), _tableOperations.endpoint, _tableOperations.clientVersion);
+            _batchOperations = new TableRestClient(_diagnostics, _batchPipeline, _tableOperations.endpoint, _tableOperations.clientVersion);
             Name = tableName;
             Uri = new TableUriBuilder(_endpoint) { Query = null, Sas = null, Tablename = Name }.ToUri();
         }
@@ -337,7 +337,7 @@ null when string.IsNullOrWhiteSpace(_endpoint.Query) => policy,
             _version = options.VersionString;
             _diagnostics = new ClientDiagnostics(options);
             _tableOperations = new TableRestClient(_diagnostics, _pipeline, _endpoint.AbsoluteUri, _version);
-            _batchOperations = new TableRestClient(_diagnostics, CreateBatchPipeline(), _tableOperations.endpoint, _tableOperations.clientVersion);
+            _batchOperations = new TableRestClient(_diagnostics, _batchPipeline, _tableOperations.endpoint, _tableOperations.clientVersion);
             Name = tableName;
             Uri = new TableUriBuilder(_endpoint) { Query = null, Sas = null, Tablename = Name }.ToUri();
         }
@@ -363,7 +363,7 @@ internal TableClient(
             {
                 _tableOperations = tableOperations;
             }
-            _batchOperations = new TableRestClient(diagnostics, CreateBatchPipeline(), _tableOperations.endpoint, _tableOperations.clientVersion);
+            _batchOperations = new TableRestClient(diagnostics, _batchPipeline, _tableOperations.endpoint, _tableOperations.clientVersion);
             _version = version;
             Name = table;
             Uri = new TableUriBuilder(_endpoint) { Query = null, Sas = null, Tablename = Name }.ToUri();
@@ -1743,6 +1743,8 @@ private HttpMessage CreateUpdateOrMergeRequest(TableRestClient batchOperations,
             return msg;
         }
 
+        private static readonly HttpPipeline _batchPipeline = CreateBatchPipeline();
+
         /// <summary>
         /// Creates a pipeline to use for processing sub-operations before they are combined into a single multipart request.
         /// </summary>