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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-5084) new field type - EnumField
Date Fri, 09 Aug 2013 00:33:47 GMT

    [ https://issues.apache.org/jira/browse/SOLR-5084?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13734254#comment-13734254
] 

Robert Muir commented on SOLR-5084:
-----------------------------------

I think adding new values to the end of the list is no issue at all. neither is renaming labels.

but removing a legal value from the list, i think you need to reindex. Because what to do
with documents that have that integer value?

in general i'm just trying to make sure we keep things sane here, so that the underlying shit
is efficient.
                
> new field type - EnumField
> --------------------------
>
>                 Key: SOLR-5084
>                 URL: https://issues.apache.org/jira/browse/SOLR-5084
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Elran Dvir
>         Attachments: enumsConfig.xml, schema_example.xml, Solr-5084.patch, Solr-5084.patch
>
>
> We have encountered a use case in our system where we have a few fields (Severity. Risk
etc) with a closed set of values, where the sort order for these values is pre-determined
but not lexicographic (Critical is higher than High). Generically this is very close to how
enums work.
> To implement, I have prototyped a new type of field: EnumField where the inputs are a
closed predefined  set of strings in a special configuration file (similar to currency.xml).
> The code is based on 4.2.1.

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