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From "T Jake Luciani (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-2474) CQL support for compound columns and wide rows
Date Mon, 16 Jan 2012 15:30:41 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-2474?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13186970#comment-13186970
] 

T Jake Luciani commented on CASSANDRA-2474:
-------------------------------------------

bq. we're proposing making these changes late in the 11th hour of the release cycle, and without
seeking input from the wider community

I don't understand. You emailed the community for input, we created a wiki explaining the
options. We've run out of paint for the bikeshed.  Now that the work is being done we need
to go back and re-explain the issue?

Have we stated either way to the community that the current form of CQL is going to be backwards
compatible? I understand that its the end goal but we are not there yet. If it was considered
*done* why are we discussing handling wide rows in the first place?

I think the best option here is to keep the old cql around in whatever form it currently is
and start fresh with this transposed approach.  If/When the current users get around to changing
syntax then we can drop it.

</badcop>

                
> CQL support for compound columns and wide rows
> ----------------------------------------------
>
>                 Key: CASSANDRA-2474
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2474
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: API, Core
>            Reporter: Eric Evans
>            Assignee: Sylvain Lebresne
>            Priority: Critical
>              Labels: cql
>             Fix For: 1.1
>
>         Attachments: 0001-Add-support-for-wide-and-composite-CFs.patch, 0002-thrift-generated-code.patch,
2474-transposed-1.PNG, 2474-transposed-raw.PNG, 2474-transposed-select-no-sparse.PNG, 2474-transposed-select.PNG,
cql_tests.py, raw_composite.txt, screenshot-1.jpg, screenshot-2.jpg
>
>
> For the most part, this boils down to supporting the specification of compound column
names (the CQL syntax is colon-delimted terms), and then teaching the decoders (drivers) to
create structures from the results.

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