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From "Jonathan Ellis (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-2474) CQL support for compound columns
Date Fri, 10 Jun 2011 01:21:59 GMT


Jonathan Ellis commented on CASSANDRA-2474:

bq. Doesn't this limit things to one row key?

Right.  This is fine, because
- row is the unit of what we can do efficiently, multiget causes a lot of foot-shooting
- query-within-row is exactly what you should be using mview rows for anyway, mixing data
from different mviews?  that has a code smell to it

bq. you could use a SQL hint syntax

that doesn't seem nearly as natural to me, and there is no good way distinguish between non-transposed
where expressions (for keys) and transposed (for columns/subcolumns?)

> CQL support for compound columns
> --------------------------------
>                 Key: CASSANDRA-2474
>                 URL:
>             Project: Cassandra
>          Issue Type: Sub-task
>          Components: API, Core
>            Reporter: Eric Evans
>              Labels: cql
>             Fix For: 1.0
> 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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