[ 
https://issues.apache.org/jira/browse/CASSANDRA-14899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16693379#comment-16693379
 ] 

Aleksey Yeschenko commented on CASSANDRA-14899:
-----------------------------------------------

Committed as 
[cf6f7920f7742bb9a17a23ad37499d9213807d81|https://github.com/apache/cassandra/commit/cf6f7920f7742bb9a17a23ad37499d9213807d81]
 to 2.2, and merged upwards (just the unit tests bit). Cheers.

> Cannot perform slice reads in reverse direction against tables with 
> clustering columns in mixed order
> -----------------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-14899
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14899
>             Project: Cassandra
>          Issue Type: Bug
>          Components: CQL
>            Reporter: Aleksey Yeschenko
>            Assignee: Aleksey Yeschenko
>            Priority: Major
>             Fix For: 2.2.14
>
>
> CASSANDRA-11196 accidentally broke reading from tables with mixed clustering 
> column order in the opposite direction.
> {{ReversedPrimaryKeyRestrictions::boundsAsComposites}} method attempts to 
> reverse the list returned from 
> {{PrimaryKeyRestrictionSet::boundsAsComposites}} and fails, as Guava’s 
> {{Lists::transform}} method returns a {{List}} that doesn’t support {{set()}}.
> Reproduction:
> {code}
> CREATE TABLE test.test (
>     a int,
>     b int,
>     c int,
>     PRIMARY KEY (a, b, c)
> ) WITH CLUSTERING ORDER BY (b ASC, c DESC);
> SELECT * FROM test.test WHERE a = 0 AND (b, c) > (0, 0) ORDER BY b DESC, c 
> ASC;
> > ServerError: java.lang.UnsupportedOperationException
> {code}
> {code}
> java.lang.UnsupportedOperationException: null
>       at java.util.AbstractList.set(AbstractList.java:132) ~[na:1.8.0_181]
>       at java.util.Collections.swap(Collections.java:497) ~[na:1.8.0_181]
>       at java.util.Collections.reverse(Collections.java:378) ~[na:1.8.0_181]
>       at 
> org.apache.cassandra.cql3.restrictions.ReversedPrimaryKeyRestrictions.boundsAsComposites(ReversedPrimaryKeyRestrictions.java:63)
>  ~[main/:na]
>       at 
> org.apache.cassandra.cql3.restrictions.StatementRestrictions.getClusteringColumnsBoundsAsComposites(StatementRestrictions.java:580)
>  ~[main/:na]
>       at 
> org.apache.cassandra.cql3.statements.SelectStatement.makeFilter(SelectStatement.java:418)
>  ~[main/:na]
>       at 
> org.apache.cassandra.cql3.statements.SelectStatement.getSliceCommands(SelectStatement.java:359)
>  ~[main/:na]
>       at 
> org.apache.cassandra.cql3.statements.SelectStatement.getPageableCommand(SelectStatement.java:191)
>  ~[main/:na]
>       at 
> org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:172)
>  ~[main/:na]
> {code}



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org
For additional commands, e-mail: commits-h...@cassandra.apache.org

Reply via email to