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https://issues.apache.org/jira/browse/CASSANDRA-2474?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13186339#comment-13186339
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paul cannon commented on CASSANDRA-2474:
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bq. I do have my own minor gripe about this, actually, which is that single
quotes means "string literal" to SQL. We should stick to double quotes when we
need identifier disambiguation.
Except in SQL, integers, floats, uuids, etc., aren't valid column names. CQL
already supports using (quoted) string literals as column names, which seems
like it would be useful for disambiguating text column names that might
otherwise parse as integers or whatever. It seems more natural to keep the
string-literal notation used everywhere else in the language intact for column
names.
Maybe this is no longer important with the new semantics, though. Haven't
thought it through yet.
> 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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