Cheolsoo Park created PIG-3657:
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Summary: New partition filter extractor fails with NPE
Key: PIG-3657
URL: https://issues.apache.org/jira/browse/PIG-3657
Project: Pig
Issue Type: Bug
Components: impl
Reporter: Cheolsoo Park
Assignee: Cheolsoo Park
Fix For: 0.13.0
To reproduce the issue, try a filter expression as follows-
{code}
b = FILTER a BY partition_column < x OR (partition_column == y AND
non-partition_column == z);
{code}
Pig fails with NPE, and the stack trace is something like this-
{code}
Caused by: java.lang.NullPointerException
at
org.apache.pig.newplan.FilterExtractor.checkPushDown(FilterExtractor.java:252)
at org.apache.pig.newplan.FilterExtractor.visit(FilterExtractor.java:115)
at
org.apache.pig.newplan.logical.rules.PartitionFilterOptimizer$PartitionFilterPushDownTransformer.transform(PartitionFilterOptimizer.java:150)
at
org.apache.pig.newplan.optimizer.PlanOptimizer.optimize(PlanOptimizer.java:110)
... 18 more
{code}
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