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https://issues.apache.org/jira/browse/SOLR-3250?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13230231#comment-13230231
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Grant Ingersoll commented on SOLR-3250:
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Note, a core reload is not something I would want to do.
> Dynamic Field capabilities based on value not name
> --------------------------------------------------
>
> Key: SOLR-3250
> URL: https://issues.apache.org/jira/browse/SOLR-3250
> Project: Solr
> Issue Type: Improvement
> Reporter: Grant Ingersoll
>
> In some situations, one already knows the schema of their content, so having
> to declare a schema in Solr becomes cumbersome in some situations. For
> instance, if you have all your content in JSON (or can easily generate it) or
> other typed serializations, then you already have a schema defined. It would
> be nice if we could have support for dynamic fields that used whatever name
> was passed in, but then picked the appropriate FieldType for that field based
> on the value of the content. So, for instance, if the input is a number, it
> would select the appropriate numeric type. If it is a plain text string, it
> would pick the appropriate text field (you could even add in language
> detection here). If it is comma separated, it would treat them as keywords,
> etc. Also, we could likely send in a hint as to the type too.
> With this approach, you of course have a "first in wins" situation, but
> assuming you have this schema defined elsewhere, it is likely fine.
> Supporting such cases would allow us to be schemaless when appropriate, while
> offering the benefits of schemas when appropriate. Naturally, one could mix
> and match these too.
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