Add StartTime/EndTime/UserSID for BuildIndex (#16971) (#17751)

Author: vitalif

src/api/protos/ydb_topic.proto

@@ -688,6 +688,10 @@ message StreamDirectReadMessage {
 
         // Messages data
         StreamReadMessage.ReadResponse.PartitionData partition_data = 3;
+
+        // Total size in bytes of this response as calculated by server.
+        // See ReadRequest comment above.
+        int64 bytes_size = 4;
     }
 }
 

src/client/types/operation/operation.cpp

@@ -23,6 +23,7 @@ class TOperation::TImpl {
         , Ready_(operation.ready())
         , CreateTime_(ProtoTimestampToInstant(operation.create_time()))
         , EndTime_(ProtoTimestampToInstant(operation.end_time()))
+        , CreatedBy_(operation.created_by())
         , Operation_(std::move(operation))
     {
     }