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From "Robert Stupp (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-5184) Support server side operations on evaluating queries
Date Sun, 09 Nov 2014 20:16:34 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-5184?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14204094#comment-14204094
] 

Robert Stupp commented on CASSANDRA-5184:
-----------------------------------------

IMO this is what user-defined scalar and aggregate functions do.
Resolve this one?

> Support server side operations on evaluating queries
> ----------------------------------------------------
>
>                 Key: CASSANDRA-5184
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5184
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Core
>            Reporter: T Jake Luciani
>             Fix For: 3.0
>
>
> Now that CQL3 makes it simple to create a table within a traditional cassandra row
> there are many kind of simple operations we'd like to perform as a query is being evaluated.
 Since the query sticks to a single node and it is effectively a sequential scan.  
> If we piggy back a small function to evaluate each matching column then we could implement
things like timeseries filters and efficient versions of count() min() max() and sum()
> I wanted to open the door to further discussion.



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