liyunzhang_intel created PIG-4596:
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Summary: Fix unit test failures about MergeJoinConverter in spark
mode
Key: PIG-4596
URL: https://issues.apache.org/jira/browse/PIG-4596
Project: Pig
Issue Type: Sub-task
Reporter: liyunzhang_intel
Assignee: liyunzhang_intel
using following command to test TestMergeJoin
ant -Dtestcase=TestMergeJoin -Dexectype=spark -Dhadoopversion=23 test
Following unit test fails:
org.apache.pig.test.TestMergeJoin.testMergeJoinWithNulls
The reason why these unit test fail is because null value from table a and
table b are considered same when table a merge join table b.
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