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https://issues.apache.org/jira/browse/CASSANDRA-10271?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15011276#comment-15011276
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Benjamin Lerer commented on CASSANDRA-10271:
--------------------------------------------
[~bsnyder788] I need to fix similar issue for the group by clause
(CASSANDRA-10707). If you can wait for it, it will simplify the work needed for
this ticket.
> ORDER BY should allow skipping equality-restricted clustering columns
> ---------------------------------------------------------------------
>
> Key: CASSANDRA-10271
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10271
> Project: Cassandra
> Issue Type: Improvement
> Components: CQL
> Reporter: Tyler Hobbs
> Assignee: Brett Snyder
> Priority: Minor
> Fix For: 2.2.x, 3.x
>
> Attachments: cassandra-2.2-10271.txt
>
>
> Given a table like the following:
> {noformat}
> CREATE TABLE foo (a int, b int, c int, d int, PRIMARY KEY (a, b, c));
> {noformat}
> We should support a query like this:
> {noformat}
> SELECT * FROM foo WHERE a = 0 AND b = 0 ORDER BY c ASC;
> {noformat}
> Currently, this results in the following error:
> {noformat}
> [Invalid query] message="Order by currently only support the ordering of
> columns following their declared order in the PRIMARY KEY"
> {noformat}
> However, since {{b}} is restricted by an equality restriction, we shouldn't
> require it to be present in the {{ORDER BY}} clause.
> As a workaround, you can use this query instead:
> {noformat}
> SELECT * FROM foo WHERE a = 0 AND b = 0 ORDER BY b ASC, c ASC;
> {noformat}
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