public static object DefaultValue(Program program, Schema.ScalarType type)
{
// ScalarType level default trigger handlers
program.Stack.Push(null);
try
{
if (type.HasHandlers())
{
foreach (Schema.EventHandler handler in type.EventHandlers)
{
if ((handler.EventType & EventType.Default) != 0)
{
object result = handler.PlanNode.Execute(program);
if ((result != null) && (bool)result)
{
return(program.Stack.Peek(0));
}
}
}
}
}
finally
{
program.Stack.Pop();
}
if (type.Default != null)
{
return(type.Default.Node.Execute(program));
}
else
{
return(null);
}
}
