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From "Yonik Seeley (JIRA)" <>
Subject [jira] [Commented] (SOLR-3251) dynamically add field to schema
Date Fri, 05 Apr 2013 16:37:17 GMT


Yonik Seeley commented on SOLR-3251:

bq. But your same hypothetical issue can happen inside e.g. codec code if suddenly the codec
returns different things: its exactly the same problem and would be 'hard to enumerate and
ongoing' just like it would be for solr search code!

Right, but I'm hoping that the scope of potential problems in lucene indexing code is much
more limited than all of the solr search code.
The Codec in SchemaCodecFactory only overrides getPostingsFormatForField and getDocValuesFormatForField.
 It depends on how those objects are used in Lucene (if those methods are called more than
once for the same field or not).  Then we need to understand what postings format changes
and docvalue format changes are OK (if any).

At the very least, there are a number of changes at the Solr level that will not change anything
at the Lucene level (like changing multiValued from false to true for instance).

> dynamically add field to schema
> -------------------------------
>                 Key: SOLR-3251
>                 URL:
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Yonik Seeley
>            Assignee: Steve Rowe
>         Attachments: SOLR-3251.patch, SOLR-3251.patch, SOLR-3251.patch
> One related piece of functionality needed for SOLR-3250 is the ability to dynamically
add a field to the schema.

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