From: Date: January 23 2007 6:13pm
Subject: Connector/NET commit: r564 - in branches/5.0: . Driver/Source
List-Archive: http://lists.mysql.com/commits/18642
X-Bug: 25726
Message-Id: <200701231713.l0NHD2nj003404@bk-internal.mysql.com>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Modified:
   branches/5.0/CHANGES
   branches/5.0/Driver/Source/NativeDriver.cs
Log:
Bug #25726 MySqlConnection throws NullReferenceException and ArgumentNullException 

during connection, SupportsBatch is called but the server props hash has not been populated.  We add a check to make sure the values are not null before we check.

Modified: branches/5.0/CHANGES
===================================================================
--- branches/5.0/CHANGES	2007-01-18 19:52:29 UTC (rev 563)
+++ branches/5.0/CHANGES	2007-01-23 17:13:01 UTC (rev 564)
@@ -8,6 +8,7 @@
   Bug #25625 Crashes when calling with CommandType set to StoredProcedure 
   Bug #25458 Opening connection hangs 
   Bug #25651 SELECT does not work properly when WHERE contains UTF-8 characters   
+  Bug #25726 MySqlConnection throws NullReferenceException and ArgumentNullException 
   
   Other changes
   -------------

Modified: branches/5.0/Driver/Source/NativeDriver.cs
===================================================================
--- branches/5.0/Driver/Source/NativeDriver.cs	2007-01-18 19:52:29 UTC (rev 563)
+++ branches/5.0/Driver/Source/NativeDriver.cs	2007-01-23 17:13:01 UTC (rev 564)
@@ -72,8 +72,11 @@
 				{
 					if (version.isAtLeast(4, 1, 0) && !version.isAtLeast(4, 1, 10))
 					{
-						if (serverProps["query_cache_type"].Equals("ON") &&
-							!serverProps["query_cache_size"].Equals("0")) return false;
+                        object qtType = serverProps["query_cache_type"];
+                        object qtSize = serverProps["query_cache_size"];
+                        if (qtType != null && qtType.Equals("ON") &&
+                            (qtSize != null && !qtSize.Equals("0")))
+                            return false;
 					}
 					return true;
 				}