pig partition key

gistfile1.txt

ubuntu@ip-172-31-28-116:~$ dse pig
2014-07-16 20:00:15,574 [main] INFO  org.apache.pig.Main - Apache Pig version 0.10.1 (r1426282) compiled Dec 27 2012, 11:24:26
2014-07-16 20:00:15,575 [main] INFO  org.apache.pig.Main - Logging error messages to: /home/ubuntu/pig_1405540815569.log
2014-07-16 20:00:15,954 [main] INFO  org.apache.pig.backend.hadoop.executionengine.HExecutionEngine - Connecting to hadoop file system at: cfs://172.31.28.116/
2014-07-16 20:00:16,870 [main] INFO  com.datastax.bdp.snitch.Workload - Setting my workload to Cassandra
2014-07-16 20:00:18,245 [main] INFO  org.apache.pig.backend.hadoop.executionengine.HExecutionEngine - Connecting to map-reduce job tracker at: 172.31.31.145:8012
grunt> pageviews = LOAD 'cql://pageviews/pageviews_v4_mzcztspeog?page_size=5000&where_clause=d%3D20140702' USING CqlStorage();
grunt> illustrate pageviews;
2014-07-16 20:01:02,808 [main] INFO  org.apache.pig.backend.hadoop.executionengine.HExecutionEngine - Connecting to hadoop file system at: cfs://172.31.28.116/
2014-07-16 20:01:02,809 [main] INFO  org.apache.pig.backend.hadoop.executionengine.HExecutionEngine - Connecting to map-reduce job tracker at: 172.31.31.145:8012
2014-07-16 20:01:03,032 [main] INFO  org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MRCompiler - File concatenation threshold: 100 optimistic? false
2014-07-16 20:01:03,056 [main] INFO  org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MultiQueryOptimizer - MR plan size before optimization: 1
2014-07-16 20:01:03,056 [main] INFO  org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MultiQueryOptimizer - MR plan size after optimization: 1
2014-07-16 20:01:03,072 [main] INFO  org.apache.pig.tools.pigstats.ScriptState - Pig script settings are added to the job
2014-07-16 20:01:03,086 [main] INFO  org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler - mapred.job.reduce.markreset.buffer.percent is not set, set to default 0.3
java.lang.RuntimeException
	at org.apache.cassandra.hadoop.cql3.CqlPagingRecordReader$RowIterator.executeQuery(CqlPagingRecordReader.java:662)
	at org.apache.cassandra.hadoop.cql3.CqlPagingRecordReader$RowIterator.<init>(CqlPagingRecordReader.java:298)
	at org.apache.cassandra.hadoop.cql3.CqlPagingRecordReader.initialize(CqlPagingRecordReader.java:164)
	at org.apache.pig.impl.io.ReadToEndLoader.initializeReader(ReadToEndLoader.java:174)
	at org.apache.pig.impl.io.ReadToEndLoader.getNextHelper(ReadToEndLoader.java:209)
	at org.apache.pig.impl.io.ReadToEndLoader.getNext(ReadToEndLoader.java:190)
	at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLoad.getNext(POLoad.java:131)
	at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase.runPipeline(PigGenericMapBase.java:271)
	at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase.map(PigGenericMapBase.java:266)
	at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase.map(PigGenericMapBase.java:64)
	at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144)
	at org.apache.pig.pen.LocalMapReduceSimulator.launchPig(LocalMapReduceSimulator.java:194)
	at org.apache.pig.pen.ExampleGenerator.getData(ExampleGenerator.java:257)
	at org.apache.pig.pen.ExampleGenerator.readBaseData(ExampleGenerator.java:222)
	at org.apache.pig.pen.ExampleGenerator.getExamples(ExampleGenerator.java:154)
	at org.apache.pig.PigServer.getExamples(PigServer.java:1210)
	at org.apache.pig.tools.grunt.GruntParser.processIllustrate(GruntParser.java:726)
	at org.apache.pig.tools.pigscript.parser.PigScriptParser.Illustrate(PigScriptParser.java:591)
	at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:306)
	at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:190)
	at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:166)
	at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:69)
	at org.apache.pig.Main.run(Main.java:490)
	at org.apache.pig.Main.main(Main.java:111)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.hadoop.util.RunJar.main(RunJar.java:156)
Caused by: InvalidRequestException(why:d cannot be restricted by more than one relation if it includes an Equal)
	at org.apache.cassandra.thrift.Cassandra$prepare_cql3_query_result$prepare_cql3_query_resultStandardScheme.read(Cassandra.java:51017)
	at org.apache.cassandra.thrift.Cassandra$prepare_cql3_query_result$prepare_cql3_query_resultStandardScheme.read(Cassandra.java:50994)
	at org.apache.cassandra.thrift.Cassandra$prepare_cql3_query_result.read(Cassandra.java:50933)
	at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:78)
	at org.apache.cassandra.thrift.Cassandra$Client.recv_prepare_cql3_query(Cassandra.java:1756)
	at org.apache.cassandra.thrift.Cassandra$Client.prepare_cql3_query(Cassandra.java:1742)
	at org.apache.cassandra.hadoop.cql3.CqlPagingRecordReader$RowIterator.prepareQuery(CqlPagingRecordReader.java:602)
	at org.apache.cassandra.hadoop.cql3.CqlPagingRecordReader$RowIterator.executeQuery(CqlPagingRecordReader.java:632)
	... 28 more
2014-07-16 20:01:04,388 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 2997: Encountered IOException. Exception : null
Details at logfile: /home/ubuntu/pig_1405540815569.log