1. The answer seems to be 'No' i.e. no direct way. See - https://stackoverflow.com/a/27085337
2. You'll probably have to loop through all of your namespaces. To get all the namespaces in your datastore, see - https://googleapis.dev/ruby/google-cloud-datastore/latest/index.html which says .....The special entity kind __namespace__ can be used to find all the namespaces used in your application entities.... *.....* *NoCommandLine* *......* *If you miss GAE Launcher*, try https://nocommandline.com On Tuesday, March 2, 2021 at 12:24:11 AM UTC-8 rajesh...@veersoftsolutions.com wrote: > We have a multi-tenant saas. Namespaces are used to separate the data > between tenants > > Is there a way to query for data across namespaces. > Why do I need it? I need for internal reporting and analysis and migration > purposes. > > -- > Rajesh > www.servicefolder.com > <https://mailtrack.io/trace/link/b124572a30d0fcbb232da692d42fb2afb5d1ae4a?url=http%3A%2F%2Fwww.servicefolder.com&userId=6615365&signature=0effb9f289a4f249> > *Field Service Software on Google Cloud Platform and Mobile* > > > -- 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 google-appengine+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/fe0ef20b-7fca-4a32-9da7-697c48664154n%40googlegroups.com.