[jira] [Created] (CASSANDRA-14899) Cannot perform slice reads in reverse direction against tables with clustering columns in mixed order

["Aleksey Yeschenko (JIRA)" <ji...@apache.org>]

Aleksey Yeschenko created CASSANDRA-14899:
---------------------------------------------

             Summary: 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
             Fix For: 2.2.x


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}



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