Core/Build: Merge common library and move database out of shared

src/server/database/Database/QueryHolder.h

@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2008-2015 TrinityCore <http://www.trinitycore.org/>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _QUERYHOLDER_H
+#define _QUERYHOLDER_H
+
+#include <future>
+
+class SQLQueryHolder
+{
+    friend class SQLQueryHolderTask;
+    private:
+        typedef std::pair<SQLElementData, SQLResultSetUnion> SQLResultPair;
+        std::vector<SQLResultPair> m_queries;
+    public:
+        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)
+        {
+            return SetQuery(index, Trinity::StringFormat(std::forward<Format>(sql), std::forward<Args>(args)...).c_str());
+        }
+        bool SetPreparedQuery(size_t index, PreparedStatement* stmt);
+        void SetSize(size_t size);
+        QueryResult GetResult(size_t index);
+        PreparedQueryResult GetPreparedResult(size_t index);
+        void SetResult(size_t index, ResultSet* result);
+        void SetPreparedResult(size_t index, PreparedResultSet* result);
+};
+
+typedef std::future<SQLQueryHolder*> QueryResultHolderFuture;
+typedef std::promise<SQLQueryHolder*> QueryResultHolderPromise;
+
+class SQLQueryHolderTask : public SQLOperation
+{
+    private:
+        SQLQueryHolder* m_holder;
+        QueryResultHolderPromise m_result;
+        bool m_executed;
+
+    public:
+        SQLQueryHolderTask(SQLQueryHolder* holder)
+            : m_holder(holder), m_executed(false) { }
+
+        ~SQLQueryHolderTask();
+
+        bool Execute() override;
+        QueryResultHolderFuture GetFuture() { return m_result.get_future(); }
+};
+
+#endif