feat(Cmake/Database): separate database lib from common (#5334)

* feat(Core/Database): separate databse lib from common

* 1

src/server/database/Database/AdhocStatement.h

@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2016+     AzerothCore <www.azerothcore.org>
+ * Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ */
+
+#ifndef _ADHOCSTATEMENT_H
+#define _ADHOCSTATEMENT_H
+
+#include <ace/Future.h>
+#include "SQLOperation.h"
+
+typedef ACE_Future<QueryResult> QueryResultFuture;
+/*! Raw, ad-hoc query. */
+class BasicStatementTask : public SQLOperation
+{
+public:
+    BasicStatementTask(const char* sql);
+    BasicStatementTask(const char* sql, QueryResultFuture result);
+    ~BasicStatementTask() override;
+
+    bool Execute() override;
+
+private:
+    const char* m_sql;      //- Raw query to be executed
+    bool m_has_result;
+    QueryResultFuture m_result;
+};
+
+#endif