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https://issues.apache.org/jira/browse/SOLR-705?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12703286#action_12703286
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Ryan McKinley commented on SOLR-705:
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I like the concept -- it could help for many things, and make some client code
a bit easier.
The simple use case is to _augment_ each document with fields that do not exist
in the schema. This could be things like the shard, the score, a calculation
(perhaps the output of a function query)
This may also be someplace to consider putting other information that currently
requires correlation-by-id. Consider highlighting, MLT, some debug info...
> Distributed search should optionally return docID->shard map
> ------------------------------------------------------------
>
> Key: SOLR-705
> URL: https://issues.apache.org/jira/browse/SOLR-705
> Project: Solr
> Issue Type: Improvement
> Affects Versions: 1.3
> Environment: all
> Reporter: Brian Whitman
> Fix For: 1.4
>
> Attachments: SOLR-705.patch, SOLR-705.patch, SOLR-705.patch,
> SOLR-705.patch, SOLR-705.patch
>
>
> SOLR-303 queries with &shards parameters set need to return the dociD->shard
> mapping in the response. Without it, updating/deleting documents when the #
> of shards is variable is hard. We currently set this with a special
> requestHandler that filters /update and inserts the shard as a field in the
> index but it would be better if the shard location came back in the query
> response outside of the index.
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