You can add a default value, if that is enough. If not, mapreduce works great. If you have too many namespaces, pipeline can roll across the namespaces and launch mapreduces.
Jacob On Dec 11, 2014 11:48 PM, "John Louis Del Rosario" <[email protected]> wrote: > I mean migrating a record's "schema", or just setting a field's value for > all existing records. > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/google-appengine. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/google-appengine. For more options, visit https://groups.google.com/d/optout.
