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From "Jesse Dubay (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-3887) Add support for arrays of operations to JSON Update Handler
Date Tue, 25 Sep 2012 16:34:07 GMT

    [ https://issues.apache.org/jira/browse/SOLR-3887?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13462924#comment-13462924
] 

Jesse Dubay commented on SOLR-3887:
-----------------------------------

Hoss, no problem. Thanks for taking a look at it!
                
> Add support for arrays of operations to JSON Update Handler
> -----------------------------------------------------------
>
>                 Key: SOLR-3887
>                 URL: https://issues.apache.org/jira/browse/SOLR-3887
>             Project: Solr
>          Issue Type: Improvement
>          Components: update
>    Affects Versions: 4.0-BETA
>            Reporter: Jesse Dubay
>            Priority: Minor
>              Labels: json, update
>         Attachments: SOLR-3887.patch
>
>
> Currently, UpdateRequestHandler accepts a sequence of operations in JSON format by specifying
duplicate keys. While duplicate keys aren't forbidden by the JSON spec, in practice, this
makes the update handler difficult to use in conjunction with JSON serialization libraries
in clients.
> This has been mitigated somewhat by adding special syntax to add and delete in SOLR-2496
and SOLR-3508 respectively, but there's still no way to specify operations in a particular
sequence as you can with XML. Per the JSON spec, the right way to do this is with an array,
as objects are considered unordered sets.
> Using an array at the top level would obviate the need for such a key, but that syntax
was used in the fix for SOLR-2496 as a shortcut for adds, so...
> The attached patch adds an "operations" key that can exist at the same level as any other
operation. The "operations" key's value is an array of objects, each of which uses the same
syntax as the root object:
> {code}
> {
>   "operations": [
>       {"add": {"id": "1"}},
>       {"delete": {"query": "foo"}},
>       {"add": {"id": "2"}},
>       {"commit": {}},
>   ]
> }
> {code}

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