Update query-related datastore code to v1beta3#212

Merged

aozarov merged 5 commits intogoogleapis:update-datastorefrom ajkannan:v1beta3-query-update

Oct 16, 2015

+280-364

Commits on Oct 6, 2015

Update query-related datastore code to v1beta3
Ajay Kannan
committed

Commits on Oct 13, 2015

fix distinct and cursor code
Ajay Kannan
committed

Commits on Oct 15, 2015

Include cursor workaround, fix distinct in StructuredQuery, and remove extra checks
Ajay Kannan
committed
standardize distinctOn naming
Ajay Kannan
committed

Commits on Oct 16, 2015

Add missing case for start_cursor
Ajay Kannan
committed