Fixing race condition

store/sql_channel_store.go

@@ -4,6 +4,7 @@
 package store
 
 import (
+	"fmt"
 	"github.com/mattermost/platform/model"
 	"github.com/mattermost/platform/utils"
 )
@@ -155,8 +156,8 @@ func (s SqlChannelStore) extraUpdated(channel *model.Channel) StoreChannel {
 
 		if count, err := s.GetMaster().Update(channel); err != nil {
 			result.Err = model.NewAppError("SqlChannelStore.extraUpdated", "Problem updating members last updated time", "id="+channel.Id+", "+err.Error())
-		} else if count == 0 {
-			result.Err = model.NewAppError("SqlChannelStore.extraUpdated", "Problem updating members last updated time", "id="+channel.Id)
+		} else if count != 1 {
+			result.Err = model.NewAppError("SqlChannelStore.extraUpdated", "Problem updating members last updated time", fmt.Sprintf("id=%v, count=%v", channel.Id, count))
 		}
 
 		storeChannel <- result