From 01728fb19e1c23e878197753cb788f94883e5838 Mon Sep 17 00:00:00 2001
From: Melanie Thielker
Date: Mon, 21 Jun 2010 17:06:05 +0200
Subject: Ensure no UUID.Zero region ID is ever written to presence. Add a
 Migration to add a LastSeen field of type "Timestamp" to Presence for MySQL

---
 OpenSim/Data/MySQL/MySQLPresenceData.cs          | 4 +++-
 OpenSim/Data/MySQL/Resources/Presence.migrations | 8 ++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

(limited to 'OpenSim/Data')

diff --git a/OpenSim/Data/MySQL/MySQLPresenceData.cs b/OpenSim/Data/MySQL/MySQLPresenceData.cs
index 71caa1a..7b0016b 100644
--- a/OpenSim/Data/MySQL/MySQLPresenceData.cs
+++ b/OpenSim/Data/MySQL/MySQLPresenceData.cs
@@ -78,6 +78,9 @@ namespace OpenSim.Data.MySQL
             if (pd.Length == 0)
                 return false;
 
+            if (regionID == UUID.Zero)
+                return;
+
             MySqlCommand cmd = new MySqlCommand();
 
             cmd.CommandText = String.Format("update {0} set RegionID=?RegionID where `SessionID`=?SessionID", m_Realm);
@@ -90,6 +93,5 @@ namespace OpenSim.Data.MySQL
 
             return true;
         }
-
     }
 }
diff --git a/OpenSim/Data/MySQL/Resources/Presence.migrations b/OpenSim/Data/MySQL/Resources/Presence.migrations
index 91f7de5..1075a15 100644
--- a/OpenSim/Data/MySQL/Resources/Presence.migrations
+++ b/OpenSim/Data/MySQL/Resources/Presence.migrations
@@ -13,3 +13,11 @@ CREATE UNIQUE INDEX SessionID ON Presence(SessionID);
 CREATE INDEX UserID ON Presence(UserID);
 
 COMMIT;
+
+:VERSION 1         # -------------------------- 
+
+BEGIN;
+
+ALTER TABLE `Presence` ADD COLUMN LastSeen timestamp;
+
+COMMIT;
-- 
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