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https://issues.apache.org/jira/browse/CASSANDRA-9664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14729329#comment-14729329
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Tyler Hobbs commented on CASSANDRA-9664:
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bq. I strongly suspect we'll start to support at least some form of OR in the 
medium-ish term

That's a good point.

bq. It does mean we'd need to modify the parser to parse WHERE clauses 
separately, but is it really that hard?

I'll look more into this today.

bq. but then again, a WHERE clause parser is not that hard if you really care

Well, it _is_ the most complex part of our grammar right now, but I'm not sure 
how many external tools will really need to be able to parse it.

> Allow MV's select statements to be more complex
> -----------------------------------------------
>
>                 Key: CASSANDRA-9664
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9664
>             Project: Cassandra
>          Issue Type: New Feature
>            Reporter: Carl Yeksigian
>            Assignee: Tyler Hobbs
>              Labels: client-impacting, doc-impacting
>             Fix For: 3.0.0 rc1
>
>
> [Materialized Views|https://issues.apache.org/jira/browse/CASSANDRA-6477] add 
> support for a syntax which includes a {{SELECT}} statement, but only allows 
> selection of direct columns, and does not allow any filtering to take place.
> We should add support to the MV {{SELECT}} statement to bring better parity 
> with the normal CQL {{SELECT}} statement, specifically simple functions in 
> the selected columns, as well as specifying a {{WHERE}} clause.



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