It is specific to GAE: https://developers.google.com/appengine/docs/python/datastore/projectionqueries<https://developers.google.com/appengine/docs/python/datastore/projectionqueries#Limitations_on_Projections>
On Tuesday, May 7, 2013 10:15:06 AM UTC-4, 黄祥 wrote: > > might i know what projection=True used for? > > thank you >> >> -- --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to web2py+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
