From 9d1fc3e94dcd26ba379eda113ca22fcabc636462 Mon Sep 17 00:00:00 2001
From: ariel- <ariel-@users.noreply.github.com>
Date: Thu, 18 Aug 2016 01:35:42 -0300
Subject: [PATCH] Core/World: short circuit setWorldState and avoid a db query
 in case there's nothing to update really

---
 src/server/game/World/World.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/server/game/World/World.cpp b/src/server/game/World/World.cpp
index d6527758931..f58aa7a78fd 100644
--- a/src/server/game/World/World.cpp
+++ b/src/server/game/World/World.cpp
@@ -3321,6 +3321,9 @@ void World::setWorldState(uint32 index, uint64 value)
     WorldStatesMap::const_iterator it = m_worldstates.find(index);
     if (it != m_worldstates.end())
     {
+        if (it->second == value)
+            return;
+
         PreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_UPD_WORLDSTATE);
 
         stmt->setUInt32(0, uint32(value));