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https://issues.apache.org/jira/browse/SOLR-14518?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joel Bernstein updated SOLR-14518:
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Description:
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 unique counts can be calculated by simply sending the bucket
level unique counts to the aggregator where they can be summed. Suggested
syntax is to add a boolean flag to the unique aggregation function:
*unique*(field, true).
The true turns on the "partitioned" unique logic. The default is false.
was:
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 unique counts can be calculated by simply sending the bucket
level unique counts to the aggregator where they can be merged. Suggested
syntax is to add a boolean flag to the unique aggregation function:
*unique*(field, true).
The true turns on the "partitioned" unique logic. The default is false.
> Add support for partitioned unique agg to 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
> Priority: Major
>
> 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 unique counts can be calculated by simply sending the bucket
> level unique counts to the aggregator where they can be summed. Suggested
> syntax is to add a boolean flag to the unique aggregation function:
> *unique*(field, true).
> The true turns on the "partitioned" unique logic. The default is false.
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