From 95f403449034cd9f9b977acad20de4d399df99c1 Mon Sep 17 00:00:00 2001
From: JinmingHu <jinmhu@microsoft.com>
Date: Tue, 15 Sep 2020 10:52:23 +0800
Subject: [PATCH] fix bug in blob tags (#653)

---
 .../inc/azure/storage/blobs/blob_options.hpp                    | 2 +-
 .../azure-storage-blobs/test/blob_container_client_test.cpp     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/sdk/storage/azure-storage-blobs/inc/azure/storage/blobs/blob_options.hpp b/sdk/storage/azure-storage-blobs/inc/azure/storage/blobs/blob_options.hpp
index b63ce3f95..f885e0f8e 100644
--- a/sdk/storage/azure-storage-blobs/inc/azure/storage/blobs/blob_options.hpp
+++ b/sdk/storage/azure-storage-blobs/inc/azure/storage/blobs/blob_options.hpp
@@ -30,7 +30,7 @@ namespace Azure { namespace Storage { namespace Blobs {
      * https://docs.microsoft.com/en-us/rest/api/storageservices/specifying-conditional-headers-for-blob-service-operations#tags-predicate-syntax
      * for the format of SQL statements.
      */
-    std::string TagConditions;
+    Azure::Core::Nullable<std::string> TagConditions;
   };
 
   /**
diff --git a/sdk/storage/azure-storage-blobs/test/blob_container_client_test.cpp b/sdk/storage/azure-storage-blobs/test/blob_container_client_test.cpp
index bdd092dd5..451f94fbb 100644
--- a/sdk/storage/azure-storage-blobs/test/blob_container_client_test.cpp
+++ b/sdk/storage/azure-storage-blobs/test/blob_container_client_test.cpp
@@ -885,7 +885,7 @@ namespace Azure { namespace Storage { namespace Test {
       options.SourceConditions.TagConditions = successWhereExpression;
       EXPECT_NO_THROW(blobClient2.StartCopyFromUri(uri, options));
 
-      options.SourceConditions.TagConditions.clear();
+      options.SourceConditions.TagConditions.Reset();
       blobClient2.SetTags(tags);
 
       options.AccessConditions.TagConditions = failWhereExpression;