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https://issues.apache.org/jira/browse/SOLR-7335?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14390143#comment-14390143
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Shingo Sasaki edited comment on SOLR-7335 at 4/1/15 7:44 AM:
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"org.apache.solr.update.DocumentBuilder" computes wrong boost value.
By SOLR-6259's patch, variable "fieldBoost" and "compoundBoost" are not
initialized with 1.0f when multivalue field has no copyFields. Attached patch
to fix this bug.
was (Author: sasashin):
"org.apache.solr.update.DocumentBuilder" computes wrong boost value.
By SOLR-6259's patch, variable "fieldBoost" and "compoundBoost" are not
initialized with 1.0f when multivalue field has no copyFields. Attached patch
fixed this bug.
> Multivalue field that is boosted on indexing time has wrong norm.
> -----------------------------------------------------------------
>
> Key: SOLR-7335
> URL: https://issues.apache.org/jira/browse/SOLR-7335
> Project: Solr
> Issue Type: Bug
> Affects Versions: 4.10, 5.0
> Reporter: Shingo Sasaki
> Priority: Critical
> Attachments: SOLR-7335.patch
>
>
> Multivalue field has wrong norm when the field value is tokenized, the field
> or document is boosted, and the field is not source of copyField.
> {noformat}
> $ java -jar start.jar &
> $ echo '{
> "add": {
> "doc": {
> "id":"no-boosted",
> "features": ["a","b","c"],
> "dyn_not_copied_txt": ["a","b","c"]
> }
> },
> "add": {
> "boost": 10,
> "doc": {
> "id":"boosted",
> "features": ["a","b","c"],
> "dyn_not_copied_txt": ["a","b","c"]
> }
> }}' > test.json
> $ curl 'http://localhost:8983/solr/update/json?commit=true' -H
> 'Content-type:application/json' --data-binary @test.json
> {"responseHeader":{"status":0,"QTime":41}}
> $ curl 'http://localhost:8983/solr/select' -d
> 'omitHeader=true&wt=json&indent=on&q=*:*&fl=id,norm(features),norm(dyn_not_copied_txt)'
> {
> "response":{"numFound":2,"start":0,"docs":[
> {
> "id":"no-boosted",
> "norm(features)":0.5,
> "norm(dyn_not_copied_txt)":0.5},
> {
> "id":"boosted",
> "norm(features)":5.0,
> "norm(dyn_not_copied_txt)":512.0}]
> }}
> {noformat}
> In the above example, "features" and "dyn_not_copied_txt" have the same type
> attribute (type="text_general"), the same values ( ["a","b","c"] ) and the
> same boost. So, both fields must have the same norms in the document.
> But, in boosted document only, the field that is not copied have too larger
> norm.
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