add more holders

src/Storages/StorageBuffer.cpp

@@ -239,6 +239,7 @@ Pipe StorageBuffer::read(
         }
 
         pipe_from_dst.addTableLock(destination_lock);
+        pipe_from_dst.addStorageHolder(destination);
     }
 
     Pipe pipe_from_buffers;

src/Storages/StorageMaterializeMySQL.cpp

@@ -82,6 +82,7 @@ Pipe StorageMaterializeMySQL::read(
     }
 
     Pipe pipe = nested_storage->read(require_columns_name, nested_metadata, query_info, context, processed_stage, max_block_size, num_streams);
+    pipe.addTableLock(lock);
 
     if (!expressions->children.empty() && !pipe.empty())
     {

src/Storages/StorageMerge.cpp

@@ -357,6 +357,7 @@ Pipe StorageMerge::createSources(
         convertingSourceStream(header, metadata_snapshot, *modified_context, modified_query_info.query, pipe, processed_stage);
 
         pipe.addTableLock(struct_lock);
+        pipe.addStorageHolder(storage);
         pipe.addInterpreterContext(modified_context);
     }