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From "boqin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-13381) Unexpected docvalues type SORTED_NUMERIC Exception when grouping by a PointField facet
Date Tue, 14 May 2019 06:03:01 GMT

    [ https://issues.apache.org/jira/browse/SOLR-13381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16839113#comment-16839113
] 

boqin  commented on SOLR-13381:
-------------------------------

I got an "unexpected docvalues type NUMERIC for field 'id' (expected=SORTED)" Exception when
groupingSearch by a NumericDocValuesField.
similar to your issue,Is this a known problem?
The version of Lucene I am using is 8.0.0

> Unexpected docvalues type SORTED_NUMERIC Exception when grouping by a PointField facet
> --------------------------------------------------------------------------------------
>
>                 Key: SOLR-13381
>                 URL: https://issues.apache.org/jira/browse/SOLR-13381
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: faceting
>    Affects Versions: 7.0, 7.6, 7.7, 7.7.1
>         Environment: solr, solrcloud
>            Reporter: Zhu JiaJun
>            Priority: Major
>         Attachments: SOLR-13381.patch
>
>
> Hey,
> I got an "Unexpected docvalues type SORTED_NUMERIC" exception when I perform group facet
on an IntPointField. Debugging into the source code, the cause is that internally the docvalue
type for PointField is "NUMERIC" (single value) or "SORTED_NUMERIC" (multi value), while the
TermGroupFacetCollector class requires the facet field must have a "SORTED" or "SOTRTED_SET"
docvalue type: [https://github.com/apache/lucene-solr/blob/2480b74887eff01f729d62a57b415d772f947c91/lucene/grouping/src/java/org/apache/lucene/search/grouping/TermGroupFacetCollector.java#L313]
>  
> When I change schema for all int field to TrieIntField, the group facet then work. Since
internally the docvalue type for TrieField is SORTED (single value) or SORTED_SET (multi value).
> Regarding that the "TrieField" is depreciated in Solr7, please help on this grouping
facet issue for PointField. I also commented this issue in SOLR-7495.
>  
> In addtional, all place of "${solr.tests.IntegerFieldType}" in the unit test files seems
to be using the "TrieintField", if change to "IntPointField", some unit tests will fail, for
example: [https://github.com/apache/lucene-solr/blob/3de0b3671998cc9bc723d10f1b31ce48cbd4fa64/solr/core/src/test/org/apache/solr/request/SimpleFacetsTest.java#L417]



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