Core/DBLayer: Change some regular statements to prepared statements.

Patch by [email protected].
Fixes issue #3774

--HG--
branch : trunk

src/server/game/Globals/ObjectMgr.cpp

@@ -1216,16 +1216,22 @@ bool ObjectMgr::SetCreatureLinkedRespawn(uint32 guid, uint32 linkedGuid)
     if (!linkedGuid) // we're removing the linking
     {
         mCreatureLinkedRespawnMap.erase(guid);
-        WorldDatabase.PExecute("DELETE FROM creature_linked_respawn WHERE guid = '%u'",guid);
+        PreparedStatement *stmt = WorldDatabase.GetPreparedStatement(WORLD_DEL_CRELINKED_RESPAWN);
+        stmt->setUInt32(0, guid);
+        WorldDatabase.Execute(stmt);
         return true;
     }
 
     if (CheckCreatureLinkedRespawn(guid,linkedGuid)) // we add/change linking
     {
         mCreatureLinkedRespawnMap[guid] = linkedGuid;
-        WorldDatabase.PExecute("REPLACE INTO creature_linked_respawn (guid,linkedGuid) VALUES ('%u','%u')",guid,linkedGuid);
+        PreparedStatement *stmt = WorldDatabase.GetPreparedStatement(WORLD_REP_CRELINKED_RESPAWN);
+        stmt->setUInt32(0, guid);
+        stmt->setUInt64(1, linkedGuid);
+        WorldDatabase.Execute(stmt);
         return true;
     }
+
     return false;
 }
 

src/server/shared/Database/Implementation/WorldDatabase.cpp

@@ -33,6 +33,8 @@ bool WorldDatabaseConnection::Open(const std::string& infoString)
     PrepareStatement(WORLD_DEL_CRESPAWNTIME, "DELETE FROM creature_respawn WHERE guid = ? AND instance = ?");
     PrepareStatement(WORLD_ADD_CRESPAWNTIME, "INSERT INTO creature_respawn VALUES (?, ?, ?)");
     PrepareStatement(WORLD_LOAD_QUEST_POOLS, "SELECT entry, pool_entry FROM pool_quest");
+    PrepareStatement(WORLD_DEL_CRELINKED_RESPAWN, "DELETE FROM creature_linked_respawn WHERE guid = ?");
+    PrepareStatement(WORLD_REP_CRELINKED_RESPAWN, "REPLACE INTO creature_linked_respawn (guid,linkedGuid) VALUES (?, ?)");
 
     return true;
 }

src/server/shared/Database/Implementation/WorldDatabase.h

@@ -46,6 +46,8 @@ enum WorldDatabaseStatements
     WORLD_DEL_CRESPAWNTIME,
     WORLD_ADD_CRESPAWNTIME,
     WORLD_LOAD_QUEST_POOLS,
+    WORLD_DEL_CRELINKED_RESPAWN,
+    WORLD_REP_CRELINKED_RESPAWN,
     MAX_WORLDDATABASE_STATEMENTS,
 };