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https://issues.apache.org/jira/browse/SOLR-6686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14603056#comment-14603056
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Tim Underwood commented on SOLR-6686:
-------------------------------------
Cool. Thank you!
> facet.threads can return wrong results when using facet.prefix multiple times
> on same field
> -------------------------------------------------------------------------------------------
>
> Key: SOLR-6686
> URL: https://issues.apache.org/jira/browse/SOLR-6686
> Project: Solr
> Issue Type: Bug
> Components: search
> Affects Versions: 4.9
> Reporter: Michael Ryan
> Assignee: Shalin Shekhar Mangar
> Attachments: SOLR-6686.patch, SOLR-6686.patch, SOLR-6686.patch
>
>
> When using facet.threads, SimpleFacets can return the wrong results when
> using facet.prefix multiple times on the same field.
> The problem is that SimpleFacets essentially stores the prefix value in a
> global variable, rather than passing the current prefix value into the
> Callable. So, the prefix value that is used when getting the term counts is
> whichever one was the last one parsed.
> STEPS TO REPRODUCE:
> # Create a document with a string field named "myFieldName" and value "foo"
> # Create another document with a string field named "myFieldName" and value
> "bar"
> # Run this query: {noformat}q=*:*&rows=0&facet=true&facet.field={!key=key1
> facet.prefix=foo}myFieldName&facet.field={!key=key2
> facet.prefix=bar}myFieldName&facet.threads=1{noformat}
> EXPECTED:
> {noformat}<lst name="facet_fields">
> <lst name="key1">
> <int name="foo">1</int>
> </lst>
> <lst name="key2">
> <int name="bar">1</int>
> </lst>
> </lst>{noformat}
> ACTUAL:
> {noformat}<lst name="facet_fields">
> <lst name="key1">
> <int name="bar">1</int>
> </lst>
> <lst name="key2">
> <int name="bar">1</int>
> </lst>
> </lst>{noformat}
> I'm using 4.9, but I think this affects all versions.
> A user previously reported this here:
> http://mail-archives.apache.org/mod_mbox/lucene-solr-user/201405.mbox/%3cbay169-w52cef09187a88286de5417d5...@phx.gbl%3E
> I think this affects parameters other than facet.prefix, but I have not tried
> that yet.
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