Ensure that ip_range aggregations always return bucket keys.#30701

Merged

jtibshirani merged 2 commits intoelastic:masterfrom

jtibshirani:bugfix/ip-range-keys

May 24, 2018

Commits on May 23, 2018

Ensure that ip_range aggregations always return bucket keys.
jtibshirani
committed
Serialize bucket keys as strings as opposed to optional strings.
jtibshirani
committed