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From " Brian Hess (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-8488) Filter by UDF
Date Fri, 29 Apr 2016 18:46:13 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-8488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15264523#comment-15264523
] 

 Brian Hess commented on CASSANDRA-8488:
----------------------------------------

There is a way around CASSANDRA-8273 for UDFs, but it might not be the best (though, then
again, there doesn't appear to be a solution for 8273).  We could not have replica-based filtering
if the filter is a UDF.  That is, you will bring all rows that meet the *other* filters back
to the coordinator and do the filtering of the UDF(s) on the replica after ConsistencyLevel
is applied.

> Filter by UDF
> -------------
>
>                 Key: CASSANDRA-8488
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8488
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: CQL, Local Write-Read Paths
>            Reporter: Jonathan Ellis
>              Labels: client-impacting, cql, udf
>             Fix For: 3.x
>
>
> Allow user-defined functions in WHERE clause with ALLOW FILTERING.



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