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https://issues.apache.org/jira/browse/SOLR-6351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14156877#comment-14156877
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Hoss Man commented on SOLR-6351:
--------------------------------
Vitaliy: i haven't had a chance to look in depth at your patch, but when i
tried to run the tests all of the pivot code seemed to fail with an NPE?
{noformat}
[junit4] ERROR 30.8s J2 | DistributedFacetPivotSmallTest.testDistribSearch
<<<
[junit4] > Throwable #1:
org.apache.solr.client.solrj.impl.HttpSolrServer$RemoteSolrException:
java.lang.NullPointerException
[junit4] > at
org.apache.solr.handler.component.PivotFacetProcessor.getStatsFields(PivotFacetProcessor.java:158)
[junit4] > at
org.apache.solr.handler.component.PivotFacetProcessor.processSingle(PivotFacetProcessor.java:121)
[junit4] > at
org.apache.solr.handler.component.PivotFacetProcessor.process(PivotFacetProcessor.java:97)
[junit4] > at
org.apache.solr.handler.component.FacetComponent.process(FacetComponent.java:112)
[junit4] > at
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:226)
...
[junit4] ERROR 0.07s |
FacetPivotSmallTest.testPivotFacetIndexSortMincountLimitAndOffsetPermutations
<<<
[junit4] > Throwable #1: java.lang.RuntimeException: Exception during
query
[junit4] > at
__randomizedtesting.SeedInfo.seed([79673644714434B5:6E2351EE52D41611]:0)
[junit4] > at
org.apache.solr.SolrTestCaseJ4.assertQ(SolrTestCaseJ4.java:723)
[junit4] > at
org.apache.solr.SolrTestCaseJ4.assertQ(SolrTestCaseJ4.java:690)
[junit4] > at
org.apache.solr.handler.component.FacetPivotSmallTest.testPivotFacetIndexSortMincountLimitAndOffsetPermutations(FacetPivotSmallTest.java:425)
[junit4] > at java.lang.Thread.run(Thread.java:745)
[junit4] > Caused by: java.lang.NullPointerException
[junit4] > at
org.apache.solr.handler.component.PivotFacetProcessor.getStatsFields(PivotFacetProcessor.java:158)
[junit4] > at
org.apache.solr.handler.component.PivotFacetProcessor.processSingle(PivotFacetProcessor.java:121)
...
{noformat}
> Let Stats Hang off of Pivots (via 'tag')
> ----------------------------------------
>
> Key: SOLR-6351
> URL: https://issues.apache.org/jira/browse/SOLR-6351
> Project: Solr
> Issue Type: Sub-task
> Reporter: Hoss Man
> Attachments: SOLR-6351.patch
>
>
> he goal here is basically flip the notion of "stats.facet" on it's head, so
> that instead of asking the stats component to also do some faceting
> (something that's never worked well with the variety of field types and has
> never worked in distributed mode) we instead ask the PivotFacet code to
> compute some stats X for each leaf in a pivot. We'll 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.pivot}}
> Example...
> {noformat}
> facet.pivot={!stats=s1}category,manufacturer
> stats.field={!key=avg_price tag=s1 mean=true}price
> stats.field={!tag=s1 min=true max=true}user_rating
> {noformat}
> ...with the request above, in addition to computing the min/max user_rating
> and mean price (labeled "avg_price") over the entire result set, the
> PivotFacet component will also include those stats for every node of the tree
> it builds up when generating a pivot of the fields "category,manufacturer"
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