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Date: Mon, 9 May 2016 10:02:13 +0000 (UTC)
From: "Alex Petrov (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (CASSANDRA-7396) Allow selecting Map key, List
 index
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archived-at: Mon, 09 May 2016 10:02:14 -0000


    [ https://issues.apache.org/jira/browse/CASSANDRA-7396?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15276175#comment-15276175 ] 

Alex Petrov commented on CASSANDRA-7396:
----------------------------------------

After talking with [~snazy], there's an idea to postpone the slice deletes we have range tombstones supported for the Cells (which as I understood has to wait until the next version of the storage format). This will avoid read-before write for the delete operations.

> Allow selecting Map key, List index
> -----------------------------------
>
>                 Key: CASSANDRA-7396
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7396
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: CQL
>            Reporter: Jonathan Ellis
>            Assignee: Robert Stupp
>              Labels: cql, docs-impacting
>             Fix For: 3.x
>
>         Attachments: 7396_unit_tests.txt
>
>
> Allow "SELECT map['key]" and "SELECT list[index]."  (Selecting a UDT subfield is already supported.)


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