Fix incorrect grouping when multiple aggregates are used with sparse data #7570
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…data When a query would use a grouping with two different aggregates, it was possible for one of the aggregates to return a value from a different series key than the second aggregate. When these series keys didn't match, the returned grouping would be screwed up because it sorted by time before checking for name and tags. This did not happen when the aggregates returned values for the same series keys because then the iterators were aligned with each other.
jwilder
approved these changes
Nov 2, 2016
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When a query would use a grouping with two different aggregates, it was
possible for one of the aggregates to return a value from a different
series key than the second aggregate. When these series keys didn't
match, the returned grouping would be screwed up because it sorted by
time before checking for name and tags.
This did not happen when the aggregates returned values for the same
series keys because then the iterators were aligned with each other.
Backport of #7564 to 1.1.