[CASSANDRA-4257] CQL3 range query with secondary index fails

• Type: Bug
• Status: Resolved
• Priority: Low
• Resolution: Fixed
• Fix Version/s: 1.1.1
• Component/s: Feature/2i Index, Legacy/CQL
• Labels: cql3 index

Environment

Cassandra 1.1.0 and git cassandra-1.1 branch, as of commit fd92c09d95a53d582cb8c4b0e77ac47fdd884935

• Severity: Low
• Assignee: Sylvain Lebresne
• Reporter: Sean Billig

Authors

Sylvain Lebresne

Reviewers

Pavel Yaskevich

• Created: 17/May/12 19:06
• Updated: 16/Apr/19 09:32
• Resolved: 24/May/12 14:45

Description

This query fails:
select * from indextest where setid = 0 and row < 1;
when there's a secondary index on 'setid'; row isn't the primary key.

CQL3

bin$ ./cqlsh --cql3
Connected to Git at localhost:9160.
[cqlsh 2.2.0 | Cassandra 1.1.0-SNAPSHOT | CQL spec 3.0.0 | Thrift protocol 19.31.0]
Use HELP for help.
cqlsh> use warehouse1;
cqlsh:warehouse1> create table indextest (id int primary key, row int, setid int);
cqlsh:warehouse1> create index indextest_setid_idx on indextest (setid);
cqlsh:warehouse1> insert into indextest (id, row, setid) values (0, 0, 0);
cqlsh:warehouse1> insert into indextest (id, row, setid) values (1, 1, 0);
cqlsh:warehouse1> insert into indextest (id, row, setid) values (2, 2, 0);
cqlsh:warehouse1> select * from indextest where setid = 0;
 id | row | setid
----+-----+-------
  0 |   0 |     0
  1 |   1 |     0
  2 |   2 |     0

cqlsh:warehouse1> select * from indextest where setid = 0 and row = 1;
 id | row | setid
----+-----+-------
  1 |   1 |     0

cqlsh:warehouse1> select * from indextest where setid = 0 and row < 1;
TSocket read 0 bytes

Error message

ERROR 13:36:23,544 Error occurred during processing of message.
java.lang.NullPointerException
  at org.apache.cassandra.cql3.statements.SelectStatement.getIndexExpressions(SelectStatement.java:546)
  at org.apache.cassandra.cql3.statements.SelectStatement.multiRangeSlice(SelectStatement.java:253)
  at org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:132)
  at org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:108)
  at org.apache.cassandra.cql3.QueryProcessor.process(QueryProcessor.java:121)
  at org.apache.cassandra.thrift.CassandraServer.execute_cql_query(CassandraServer.java:1237)
  at org.apache.cassandra.thrift.Cassandra$Processor$execute_cql_query.getResult(Cassandra.java:3542)
  at org.apache.cassandra.thrift.Cassandra$Processor$execute_cql_query.getResult(Cassandra.java:3530)
  at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:32)
  at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:34)
  at org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:186)
  at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
  at java.lang.Thread.run(Thread.java:680)

Works fine in CQL2:

CQL2

bin$ ./cqlsh_uuid --cql2
Connected to Git at localhost:9160.
[cqlsh 2.2.0 | Cassandra 1.1.0-SNAPSHOT | CQL spec 2.0.0 | Thrift protocol 19.31.0]
Use HELP for help.
cqlsh> use warehouse1;
cqlsh:warehouse1> select * from indextest where setid = 0 and row < 1;
 id | row | setid
----+-----+-------
  0 |   0 |     0

cqlsh:warehouse1> select * from indextest where setid = 0 and row < 2;
 id | row | setid
----+-----+-------
  0 |   0 |     0
  1 |   1 |     0