New logical plan: PushDownForEachFlatten fail in UDF with unknown output schema
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Key: PIG-1751
URL: https://issues.apache.org/jira/browse/PIG-1751
Project: Pig
Issue Type: Bug
Components: impl
Affects Versions: 0.8.0
Reporter: Daniel Dai
Assignee: Daniel Dai
Fix For: 0.8.0
The following script fail:
{code}
a = load '1.txt' as (a0:chararray);
b = load '2.txt' as (b0:chararray);
c = foreach b generate flatten(STRSPLIT(b0)) as c0;
d = join c by c0, a by a0;
dump d;
{code}
Error message:
Caused by: java.lang.NullPointerException
at
org.apache.pig.newplan.logical.rules.PushDownForEachFlatten$PushDownForEachFlattenTransformer.getNonFlattenFieldUids(PushDownForEachFlatten.java:186)
at
org.apache.pig.newplan.logical.rules.PushDownForEachFlatten$PushDownForEachFlattenTransformer.check(PushDownForEachFlatten.java:101)
at
org.apache.pig.newplan.optimizer.PlanOptimizer.optimize(PlanOptimizer.java:108)
... 13 more
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