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https://issues.apache.org/jira/browse/PIG-464?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Olga Natkovich updated PIG-464:
-------------------------------
Resolution: Fixed
Status: Resolved (was: Patch Available)
patch comitted; thanks pradeep
> Loading data with a schema that has a bag as a field results in error
> ---------------------------------------------------------------------
>
> Key: PIG-464
> URL: https://issues.apache.org/jira/browse/PIG-464
> Project: Pig
> Issue Type: Bug
> Affects Versions: types_branch
> Reporter: Pradeep Kamath
> Assignee: Pradeep Kamath
> Fix For: types_branch
>
> Attachments: PIG-464.patch
>
>
> Script:
> {code}
> a = load '/user/pig/tests/data/singlefile/studenttab10k' using PigStorage()
> as (name:chararray, age:long, gpa: float);
> b = group a by name;
> c = foreach b generate a, (1,2,3), ['key1'#'value1','key2'#'value2'];
> -- store the bag, tuple and map
> store c into '/tmp/intermediate' using BinStorage();
> d = load '/tmp/intermediate' using BinStorage() as (b:bag{t:tuple(x,y,z)},
> t2:tuple(a,b,c), m:map[]);
> e = foreach d generate COUNT(b), t2.a, t2.b, t2.c, m#'key1', m#'key2';
> dump e;
> {code}
> Error:
> {noformat}
> java.io.IOException: Unable to open iterator for alias: e [Unable to store
> for alias: e [Unable to insert type casts into plan]]
> at
> org.apache.pig.impl.logicalLayer.optimizer.TypeCastInserter.transform(TypeCastInserter.java:150)
> at
> org.apache.pig.impl.plan.optimizer.PlanOptimizer.optimize(PlanOptimizer.java:65)
> at org.apache.pig.PigServer.compileLp(PigServer.java:723)
> at org.apache.pig.PigServer.compileLp(PigServer.java:655)
> at org.apache.pig.PigServer.store(PigServer.java:433)
> at org.apache.pig.PigServer.store(PigServer.java:421)
> at org.apache.pig.PigServer.openIterator(PigServer.java:384)
> at
> org.apache.pig.tools.grunt.GruntParser.processDump(GruntParser.java:269)
> at
> org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:178)
> at
> org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:84)
> at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:64)
> at org.apache.pig.Main.main(Main.java:306)
> Caused by: java.io.IOException: Unable to store for alias: e [Unable to
> insert type casts into plan]
> ... 12 more
> Caused by: org.apache.pig.impl.plan.optimizer.OptimizerException: Unable to
> insert type casts into plan
> ... 12 more
> Caused by: java.lang.NullPointerException
> at java.util.ArrayList.<init>(ArrayList.java:133)
> at org.apache.pig.impl.util.MultiMap.put(MultiMap.java:82)
> at
> org.apache.pig.impl.logicalLayer.schema.Schema.clone(Schema.java:725)
> at
> org.apache.pig.impl.logicalLayer.schema.Schema$FieldSchema.clone(Schema.java:348)
> at
> org.apache.pig.impl.logicalLayer.optimizer.TypeCastInserter.transform(TypeCastInserter.java:131)
> {noformat}
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