Prevent segfault on copying ResultRange.

mysql-d · Jun 29, 2017 · 477636a · 477636a
1 parent 76a4fe7
commit 477636a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/source/mysql/result.d b/source/mysql/result.d
@@ -463,7 +463,7 @@ public:
 	/// Check whether the range can still we used, or has been invalidated
 	@property bool isValid() const pure nothrow
 	{
-		return _commandID == _con.lastCommandID;
+		return _con !is null && _commandID == _con.lastCommandID;
 	}
 
 	/// Make the ResultRange behave as an input range - empty