Na Yang created HIVE-7651:
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Summary: Investigate why union two RDDs generated from two
MapTrans does not get the right result
Key: HIVE-7651
URL: https://issues.apache.org/jira/browse/HIVE-7651
Project: Hive
Issue Type: Bug
Components: Spark
Reporter: Na Yang
If the SparkWork has two map works as root, then use the current
generate(basework) API to generate two mapTran. union the RDDs processed by the
two mapTrans does not generate the correct result.
If two input RDDs come from different data tables, then the union result is
empty.
if two input RDDs come from the same data table, then the union result is not
correct. The same row of data happen 4 times in the union result.
Need to investigate why this happen and how to fix it.
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