Hoss Man created SOLR-6352:
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Summary: Let Stats Hang off of Range Facets
Key: SOLR-6352
URL: https://issues.apache.org/jira/browse/SOLR-6352
Project: Solr
Issue Type: Sub-task
Reporter: Hoss Man
The same basic idea as the sibling pivot issue: ask the RangeFacet code to
compute some stats X for each range it generates. We can do this with the
existing {{stats.field}} params, but we'll leverage the {{tag}} local param of
the {{stats.field}} instances to be able to associate which stats we want
hanging off of which {{facet.range}} instance
Example...
{noformat}
facet.range={!stats=s1}timestamp
facet.range={!stats=s2}bytes_sent
stats.field={!key=sum_bytes tag=s1 sum=true}bytes_sent
stats.field={!tag=s1 percentiles=99}request_duration
stats.field={!tag=s2 mean=true percentiles=99}request_duration
{noformat}
...with the request above, (hypothetically over an index of web log traffic)
each range bucket over the "timestamp" field will (in addition to simple facet
count) also include the sum of total bytes_sent, and the 99th percentile of
request_duration for all docs in that time range; and each range bucket over
the "bytes_sent" field will (in addition to simple facet count) also include
the mean and 99th percentile of request_duration.
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