[jira] [Commented] (SOLR-8767) RealTimeGetComponent and stored/copyField exclusion

["Simon Rosenthal (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-8767?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16461800#comment-16461800 ] 

Simon Rosenthal commented on SOLR-8767:
---------------------------------------

+1 on changing the behavior. Was just bitten by this real-time get behavior in a situation where I was using a copyfield to effectively rename a -->b (a was then defined as non-indexed, non-stored). 

Not the intended use of copyfield, I know, and I could probably use a FieldNameMutatingUpdateProcessor instead (though this results in including field name manipulations in solrconfig.xml, where it really doesn't belong, rather than in the schema).

> RealTimeGetComponent and stored/copyField exclusion
> ---------------------------------------------------
>
>                 Key: SOLR-8767
>                 URL: https://issues.apache.org/jira/browse/SOLR-8767
>             Project: Solr
>          Issue Type: Bug
>          Components: SolrCloud
>            Reporter: Erik Hatcher
>            Priority: Critical
>
> Consider this scenario: schema has fields `a` and `b` defined, both stored.  A copyField is defined from `a` => `b`.  A document is indexed with `id=1; b="foo"`.  A real-time /get will not return field `b` because RealTimeGetComponent.toSolrDoc currently excludes copyField destinations (despite, in this situation, the source of that copyField not being sent in).
> Granted this is a bit of a diabolical case (discovered while tinkering with cloud MLT tests), but isn't that far fetched to happen in the wild.
> Maybe real-time /get should return all fields set as stored, regardless of copyField status?



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