druid/processing
Gian Merlino a5170666b6 groupBy v2: Always merge queries. (#4023)
This fixes #4020 because it means the timestamp will always be included for outermost
queries. Historicals receiving queries from older brokers will think they're
outermost (because CTX_KEY_OUTERMOST isn't set to "false"), so they'll include a
timestamp, so the older brokers will be OK.
2017-03-08 12:47:46 -06:00
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