tree e4f374bbce0d31818d76f0c0a61ea1ce769736ec
parent 823d60f144c0b5c6a820927fe91a1a5e96af5403
author Ivan Pilat <ivanpi@google.com> 1436901292 -0700
committer Ivan Pilat <ivanpi@google.com> 1436901308 -0700

syncbase: Add Exists rpc method to app, db, table, row.

Exists returns true if the object exists (has been created).

If the caller doesn't have Read permission on the object, Exists will
return false instead of an error because access errors imply existence
in the current implementation. We leak existence information in other
rpcs, we may want to clean it up.

Change-Id: I7f4300512dff16369932854f0c19e735e3518aa7