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From "Jonathan Ellis (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-2477) CQL support for describing keyspaces / column familes
Date Thu, 16 Jun 2011 17:09:47 GMT


Jonathan Ellis commented on CASSANDRA-2477:

What I want to avoid is a special query type (i.e. anything not "SELECT") because it makes
the language less orthogonal because of implementation details that are subject to change
(in an ideal world, we'd move away from avro and store schema information in "real" columns,
with indexes so you could easily say "give me all the columns for CF X at schema version Y.")

You'd also be limited to basically an RPC style call – no specifying which columns to select,
or which rows you're interested in. Not without reinventing that wheel on a LOT of code (because
SELECT right now relies on CFS to perform the actual queries).

> CQL support for describing keyspaces / column familes
> -----------------------------------------------------
>                 Key: CASSANDRA-2477
>                 URL:
>             Project: Cassandra
>          Issue Type: Sub-task
>          Components: API, Core
>            Reporter: Eric Evans
>              Labels: cql
>             Fix For: 0.8.2
>         Attachments: 2477-virtual-cfs-false-start.txt

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