tree b6c64ec9638c2b44c840d5f95118863cb3313ec7
parent ac5d3827409dff757531347c5232bb34ea727274
author Jeff Sharkey <jsharkey@android.com> 1383072506 -0700
committer Jeff Sharkey <jsharkey@android.com> 1383072510 -0700

Guard against missing document columns.

When filtering and sorting, guard against missing columns to avoid
crashing entire app.

Bug: 11377065
Change-Id: I04f035c918d743bcc84592f05e3ef9ad0ebfadce