Server/Database: Reduce differences between 3.3.5 and 6.x branches

Code functionality shouldn't have been modified.

2 files changed, 3 insertions, 3 deletions

diff --git a/src/server/database/Database/QueryCallback.h b/src/server/database/Database/QueryCallback.h
index 5f6ae74da4f..87e5f96ed1b 100644
--- a/src/server/database/Database/QueryCallback.h
+++ b/src/server/database/Database/QueryCallback.h
@@ -45,7 +45,7 @@ class QueryCallback
             return _result;
         }
 
-        int IsReady()
+        bool IsReady()
         {
             return _result.valid() && _result.wait_for(std::chrono::seconds(0)) == std::future_status::ready;
         }
@@ -128,7 +128,7 @@ class QueryCallback_2
             return _result;
         }
 
-        int IsReady()
+        bool IsReady()
         {
             return _result.valid() && _result.wait_for(std::chrono::seconds(0)) == std::future_status::ready;
         }
diff --git a/src/server/database/Database/QueryHolder.h b/src/server/database/Database/QueryHolder.h
index 2446a4db2bd..34887767dea 100644
--- a/src/server/database/Database/QueryHolder.h
+++ b/src/server/database/Database/QueryHolder.h
@@ -28,7 +28,7 @@ class TC_DATABASE_API SQLQueryHolder
         std::vector<SQLResultPair> m_queries;
     public:
         SQLQueryHolder() { }
-        ~SQLQueryHolder();
+        virtual ~SQLQueryHolder();
         bool SetQuery(size_t index, const char* sql);
         template<typename Format, typename... Args>
         bool SetPQuery(size_t index, Format&& sql, Args&&... args)