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From Andrew Purtell <apurt...@apache.org>
Subject Re: REST Interface: Required ordering of JSON name/value pairs when performing Insert/Update
Date Sun, 03 Jun 2012 21:54:12 GMT
On Jun 3, 2012, at 11:51 AM, Nick Dimiduk <ndimiduk@gmail.com> wrote:
> When I:
>
> $ curl -v -XPUT \
>  -H "Content-Type: application/json" \
>  http://localhost:9999/users/TheRealMT/info:password \
>  -d '{
>    "Row": [
>        {
>            "Cell": [
>                {
> *                    "@column": "aW5mbzpwYXNzd29yZA==",*
> *                    "$": "NzBOQHJJIE4wIDcwdDBSMA=="*
>                }
>            ],
>            "@key": "VGhlUmVhbE1U"
>        }
>    ]
> }'
>
> The logs show:
>
> 12/06/03 02:43:16 DEBUG rest.RowResource: PUT
> http://localhost:9999/users/TheRealMT/info:password
> 12/06/03 02:43:16 DEBUG rest.RowResource: PUT
> {"totalColumns":1,"families":{"info":[{"timestamp":9223372036854775807,"qualifier":"password",
> *"vlen":16*}]},"row":"TheRealMT"}
>
> And the write is successful.
>
> But if I:
>
> $ curl -v -XPUT \
>  -H "Content-Type: application/json" \
>  http://localhost:9999/users/TheRealMT/info:password \
>  -d '{
>    "Row": [
>        {
>            "Cell": [
>                {
> *                    "$": "NzBOQHJJIE4wIDcwdDBSMA==",*
> *                    "@column": "aW5mbzpwYXNzd29yZA=="*
>                }
>            ],
>            "@key": "VGhlUmVhbE1U"
>        }
>    ]
> }'
>
> The log shows:
>
> 12/06/03 02:46:22 DEBUG rest.RowResource: PUT
>> http://localhost:9999/users/TheRealMT/info:password
> 12/06/03 02:46:22 DEBUG rest.RowResource: PUT
> {"totalColumns":1,"families":{"info":[{"timestamp":9223372036854775807,"qualifier":"password",
> *"vlen":0*}]},"row":"TheRealMT"}

See https://issues.apache.org/jira/browse/HBASE-2475?focusedCommentId=13288259&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13288259

and https://issues.apache.org/jira/browse/HBASE-2475?focusedCommentId=13288265&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13288265

Perhaps it's worth proceeding even though the JSON input and output of
HBase REST will most likely change? (And change to something cleaner
and saner.)

We don't use the REST gateway ourselves but when we were looking at it
once, I recommended using the protobuf representation option.

    - Andy

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