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From "Sam Tunnicliffe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-11617) The presence of custom index expressions doesn't set the indexing flag in StatementRestrictions
Date Wed, 20 Apr 2016 13:01:25 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-11617?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15249832#comment-15249832
] 

Sam Tunnicliffe commented on CASSANDRA-11617:
---------------------------------------------

Sure. I mentioned on CASSANDRA-11310 and CASSANDRA-11043 (from where this ticket came) that
we could and should do what you're suggesting, just that we need to do it with consideration,
rather than as an accidental side-effect of some other change (or bug). We already found 1
place where an assumption about the command caused a regression, which wasn't covered by any
existing tests (see [this comment|https://issues.apache.org/jira/browse/CASSANDRA-11310?focusedCommentId=15245922&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15245922])
so I'm just preaching caution wrt the C* codebase itself and any custom index impls in the
wild. 

> The presence of custom index expressions doesn't set the indexing flag in StatementRestrictions
> -----------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-11617
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-11617
>             Project: Cassandra
>          Issue Type: Bug
>          Components: CQL
>            Reporter: Sam Tunnicliffe
>            Assignee: Sam Tunnicliffe
>             Fix For: 3.0.x, 3.x
>
>
> This can lead to queries with index expressions being executed as single partition rather
than partition range reads, which should always be the case for index queries, even when the
partition key is restricted. 



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