Enabling histogram collection for PointRangeQuery #14560
Merged
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Description
Enables efficient histogram collection using point range query, when querying field is same as the histogram field
Resolves #14535
Testing
Successfully ran the tests 10k times.
Initially they were failing due to first bucket occasionally not having any documents, causing
finalizePreviousBucketto not move to the next bucket. That also addresses the TODO from earlier