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Posted to issues@lucene.apache.org by "David Smiley (Jira)" <ji...@apache.org> on 2021/01/06 17:10:00 UTC
[jira] [Commented] (SOLR-15069) child doc transformer should make
parentFilter obsolete
[ https://issues.apache.org/jira/browse/SOLR-15069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17259888#comment-17259888 ]
David Smiley commented on SOLR-15069:
-------------------------------------
I'll be committing this later today. I know I only filed the PR yesterday but it's a dependency of SOLR-14923 for 8.8. Tests/precommit pass – low risk – should not disrupt existing users.
> child doc transformer should make parentFilter obsolete
> -------------------------------------------------------
>
> Key: SOLR-15069
> URL: https://issues.apache.org/jira/browse/SOLR-15069
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: David Smiley
> Assignee: David Smiley
> Priority: Major
> Time Spent: 50m
> Remaining Estimate: 0h
>
> The parentFilter param to \[child] was once required, and then made only optional if you have a \_nest_path_ field, but I think it can be optional (perhaps obsolete) altogether. All we have to do is grab the uniqueKey field from the document to be transformed, look this up in the \_root_ field, and you'll get the internal Lucene docId of the first child doc. No problem, and quick.
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