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https://issues.apache.org/jira/browse/SOLR-7504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17922371#comment-17922371
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Paul Heijman commented on SOLR-7504:
------------------------------------
This is still an issue in 9.6.1.
It has nothing to do with setting fields to null:
{code:json}
{
"content_key": "ICS_100.RPT",
"researchpagekeycontentcategorynames": {
"add": {
"test"
}
}
}
{code}
will also set key_content_count to one...
> Atomic Update causes solr.CountFieldValuesUpdateProcessorFactory to be wrong
> ----------------------------------------------------------------------------
>
> Key: SOLR-7504
> URL: https://issues.apache.org/jira/browse/SOLR-7504
> Project: Solr
> Issue Type: Bug
> Components: SearchComponents - other
> Affects Versions: 4.10.4, 5.0, 5.1
> Reporter: Jay
> Priority: Major
> Fix For: 4.10.4, 5.1
>
>
> Below is a snippet of my solrconfig.xml
> {code}
> <updateRequestProcessorChain name="custom-updates" default="true">
> <processor class="solr.RemoveBlankFieldUpdateProcessorFactory">
> <lst name="exclude">
> <str name="fieldRegex">.*_count</str>
> </lst>
> </processor>
> <processor class="solr.UUIDUpdateProcessorFactory">
> <str name="fieldName">id</str>
> </processor>
> <!-- Allows you make counts for multivalued field-->
> <processor class="solr.CloneFieldUpdateProcessorFactory">
> <str name="source">researchpagekeycontentcategorynames</str>
> <str name="dest">key_content_count</str>
> </processor>
> <processor class="solr.CountFieldValuesUpdateProcessorFactory">
> <str name="fieldName">key_content_count</str>
> </processor>
> <processor class="solr.DefaultValueUpdateProcessorFactory">
> <str name="fieldName">key_content_count</str>
> <int name="value">0</int>
> </processor>
> {code}
> Performing an Atomic Update like this causes that key_content_count to be one
> (1) when the expected value should be zero (0).
> To my knowledge setting a value to null should zero out the count, correct?
> {code}
> curl -s 'http://localhost:9080/solr/ndr/update' -H
> 'Content-type:application/json' -d
> '[{"content_key":"ICS_100.RPT","researchpagekeycontentcategorynames":{"set":null}}]'
> {code}
> Thanks for looking into this.
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