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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-3855) DocValues support
Date Tue, 12 Feb 2013 18:57:15 GMT

    [ https://issues.apache.org/jira/browse/SOLR-3855?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13576889#comment-13576889
] 

Robert Muir commented on SOLR-3855:
-----------------------------------

Damn i hate our binary type. If it weren't for facets....

{code}
if (docValuesType != DocValuesType.SORTED && docValuesType != DocValuesType.BINARY)
{
  throw new SolrException(SolrException.ErrorCode.SERVER_ERROR,
    "StrField only supports binary and sorted doc values");
}

{code}
    <!-- Use this field type in conjunction with a field with doc values to sort
      efficiently on a field which has a lot of unique terms. -->
    <fieldType name="unique_string_sort" class="solr.StrField" docValuesType="binary" />
{code}

Can we either:
# NOT suggest this and fix the check to only allow sorted values by default.
# fix getSortField() and getValueSource() to do the right thing and not call FieldCache.getDocTermsIndex

Same goes with any other field types. Such insanity should be avoided :)
                
> DocValues support
> -----------------
>
>                 Key: SOLR-3855
>                 URL: https://issues.apache.org/jira/browse/SOLR-3855
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Adrien Grand
>            Assignee: Adrien Grand
>            Priority: Minor
>             Fix For: 4.2, 5.0
>
>         Attachments: SOLR-3855.patch, SOLR-3855.patch, SOLR-3855.patch, SOLR-3855.patch,
SOLR-3855.patch, SOLR-3855.patch
>
>
> It would be nice if Solr supported DocValues:
>  - for ID fields (fewer disk seeks when running distributed search),
>  - for sorting/faceting/function queries (faster warmup time than fieldcache),
>  - better on-disk and in-memory efficiency (you can use packed impls).

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