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https://issues.apache.org/jira/browse/SOLR-8344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16158560#comment-16158560
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David Smiley commented on SOLR-8344:
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Please post a new patch so we can see before you commit it. Furthermore, can
you please include a simple summary of the approach in the javadoc of the
optimizer.... something like (assuming this is accurate):
bq. Sometimes we could fetch a field value from either the stored document or
docValues. Such fields have both and are single-valued. If choosing docValues
allows us to avoid accessing the stored document altogether for all fields to
be returned then we do it, otherwise we prefer the stored value when we have a
choice.
IMO An effective strategy and straight-forward to explain.
> Decide default when requested fields are both column and row stored.
> --------------------------------------------------------------------
>
> Key: SOLR-8344
> URL: https://issues.apache.org/jira/browse/SOLR-8344
> Project: Solr
> Issue Type: New Feature
> Reporter: Ishan Chattopadhyaya
> Attachments: SOLR-8344.patch
>
>
> This issue was discussed in the comments at SOLR-8220. Splitting it out to a
> separate issue so that we can have a focused discussion on whether/how to do
> this.
> If a given set of requested fields are all stored and have docValues (column
> stored), we can retrieve the values from either place. What should the
> default be?
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