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https://issues.apache.org/jira/browse/SOLR-538?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12628054#action_12628054
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Lars Kotthoff commented on SOLR-538:
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Interesting idea, but this should probably be a separate issue. It would
require more significant changes, for example the update handler should
probably warn when the value for a field is truncated etc.
> CopyField maxLength property
> ----------------------------
>
> Key: SOLR-538
> URL: https://issues.apache.org/jira/browse/SOLR-538
> Project: Solr
> Issue Type: Improvement
> Components: update
> Reporter: Nicolas Dessaigne
> Priority: Minor
> Attachments: CopyFieldMaxLength.patch, CopyFieldMaxLength.patch,
> SOLR-538.patch, SOLR-538.patch, SOLR-538.patch
>
>
> As discussed shortly on the mailing list (http://www.mail-archive.com/[EMAIL
> PROTECTED]/msg09807.html), the objective of this task is to add a maxLength
> property to the CopyField "command". This property simply limits the number
> of characters that are copied.
> This is particularly useful to avoid very slow highlighting when the index
> contains big documents.
> Example :
> <copyField source="text" dest="highlight" maxLength="30000" />
> This approach has also the advantage of limiting the index size for large
> documents (the original text field does not need to be stored and to have
> term vectors). However, the index is bigger for small documents...
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