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https://issues.apache.org/jira/browse/SOLR-5302?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13841593#comment-13841593
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Houston Putman commented on SOLR-5302:
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1) Bucket name refers to the facet display value. This should be added to the
new features ticket, and shouldn't be too hard to implement.
2) Good catch, that should be updated. Every expression or function that
operates on numeric values will return a double. This is mainly for simplicity,
because it would get ugly pretty quickly otherwise.
> Analytics Component
> -------------------
>
> Key: SOLR-5302
> URL: https://issues.apache.org/jira/browse/SOLR-5302
> Project: Solr
> Issue Type: New Feature
> Reporter: Steven Bower
> Assignee: Erick Erickson
> Attachments: SOLR-5302.patch, SOLR-5302.patch, SOLR-5302.patch,
> SOLR-5302.patch, Search Analytics Component.pdf, Statistical Expressions.pdf,
> solr_analytics-2013.10.04-2.patch
>
>
> This ticket is to track a "replacement" for the StatsComponent. The
> AnalyticsComponent supports the following features:
> * All functionality of StatsComponent (SOLR-4499)
> * Field Faceting (SOLR-3435)
> ** Support for limit
> ** Sorting (bucket name or any stat in the bucket
> ** Support for offset
> * Range Faceting
> ** Supports all options of standard range faceting
> * Query Faceting (SOLR-2925)
> * Ability to use overall/field facet statistics as input to range/query
> faceting (ie calc min/max date and then facet over that range
> * Support for more complex aggregate/mapping operations (SOLR-1622)
> ** Aggregations: min, max, sum, sum-of-square, count, missing, stddev, mean,
> median, percentiles
> ** Operations: negation, abs, add, multiply, divide, power, log, date math,
> string reversal, string concat
> ** Easily pluggable framework to add additional operations
> * New / cleaner output format
> Outstanding Issues:
> * Multi-value field support for stats (supported for faceting)
> * Multi-shard support (may not be possible for some operations, eg median)
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