Nik Everett a29d3515a2 Improve cardinality measure used to build aggs (#56533) (#59107) ... This makes a `parentCardinality` available to every `Aggregator`'s ctor so it can make intelligent choices about how it collects bucket values. This replaces `collectsFromSingleBucket` and is similar to it but: 1. It supports `NONE`, `ONE`, and `MANY` values and is generally extensible if we decide we can use more precise counts. 2. It is more accurate. `collectsFromSingleBucket` assumed that all sub-aggregations live under multi-bucket aggregations. This is normally true but `parentCardinality` is properly carried forward for single bucket aggregations like `filter` and for multi-bucket aggregations configured in single-bucket for like `range` with a single range. While I was touching every aggregation I renamed `doCreateInternal` to `createMapped` because that seemed like a much better name and it was right there, next to the change I was already making. Relates to #56487 Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>		2020-07-08 08:42:23 -04:00
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internalClusterTest/java/org/elasticsearch/xpack/search	Improve error handling in async search code (#57925)	2020-07-03 16:07:26 +02:00
main	Improve error handling in async search code (#57925)	2020-07-03 16:07:26 +02:00
test/java/org/elasticsearch/xpack/search	Improve cardinality measure used to build aggs (#56533) (#59107)	2020-07-08 08:42:23 -04:00