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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
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.(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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