[jira] [Updated] (SOLR-9098) Show if schema is currently mutable or not

["Stefan Matheis (steffkes) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-9098?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stefan Matheis (steffkes) updated SOLR-9098:
--------------------------------------------
    Attachment: SOLR-9098.patch

> Show if schema is currently mutable or not
> ------------------------------------------
>
>                 Key: SOLR-9098
>                 URL: https://issues.apache.org/jira/browse/SOLR-9098
>             Project: Solr
>          Issue Type: Improvement
>          Components: Schema and Analysis
>            Reporter: Stefan Matheis (steffkes)
>            Assignee: Stefan Matheis (steffkes)
>            Priority: Minor
>             Fix For: master (7.0)
>
>         Attachments: SOLR-9098.patch
>
>
> When our schema is not mutable (for whatever reason) the only way to get that information is to try a change and see if it fails, like this:
> {code}$ curl -i localhost:8983/solr/dummy/schema -d '{ "add-field":{ "name":"sell-by", "type":"tdate", "stored":true } }'
> HTTP/1.1 200 OK
> Content-Type: application/json; charset=UTF-8
> Content-Length: 112
> {
>   "responseHeader":{
>     "status":0,
>     "QTime":5
>   },
>   "errors":[
>     {
>       "errorMessages":"schema is not editable"
>     }
>   ]
> }{code}
> this message is caused by {{SchemaManager#performOperations}} which checks if {{schema instanceof ManagedIndexSchema && schema.isMutable()}} - we could include that information in the response for {{/schema}} and allow users to see upfront if they could modify the schema or rather not.
> [~steve_rowe] i'm not entirely sure that i didn't miss any tests related to the schema handler, would you mind having a look?



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