Joel Bernstein created SOLR-14518:
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Summary: Add support partitioned unique agg in JSON facets.
Key: SOLR-14518
URL: https://issues.apache.org/jira/browse/SOLR-14518
Project: Solr
Issue Type: New Feature
Security Level: Public (Default Security Level. Issues are Public)
Reporter: Joel Bernstein
There are scenarios where documents are partitioned across shards based on the
same field that the *unique* agg is applied to with JSON facets. In this
scenario exact counts can be calculated by simply sending the bucket level
unique counts to the aggregator where they can be merged. Suggested syntax is
simply to add a boolean flag to the unique function: *unique*(field, true).
The true turns on the "partitioned" unique logic. The default is false.
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