Christoph Büscher 30fd70f07b Aggregations: Simplify time zone option in date_histogram
Removed the existing `pre_zone` and `post_zone` option in `date_histogram` in favor of
the simpler `time_zone` option. Previously, specifying different values for these could
lead to confusing scenarios where ES would return bucket keys that are not UTC.
Now `time_zone` is the only option setting, the calculation of date buckets to take place in the
preferred time zone, but after rounding converting the bucket key values back to UTC.

Closes #9062
Closes #9637
2015-02-16 16:54:06 +01:00
..
2015-01-26 21:58:36 +01:00
2015-01-15 19:11:30 +01:00
2013-10-05 17:10:30 +02:00
2014-01-23 10:52:13 +01:00

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