I've never seen an automatically generated ID of zero. But it might be safer to use -1 as an invalid marker, rather than 0.
On Oct 27, 4:40 am, Tapir <[email protected]> wrote: > I want to check whethor or not a reference id is invalid by comparing > it with a zero. > Works? -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
