Jason Dere created HIVE-10524:
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Summary: Add utility method ExprNodeDescUtils.forwardTrack()
Key: HIVE-10524
URL: https://issues.apache.org/jira/browse/HIVE-10524
Project: Hive
Issue Type: Bug
Reporter: Jason Dere
Assignee: Jason Dere
ExprNodeDescUtils has a method backtrack(), which is able to take an
ExprNodeDesc from an operator and convert it to an equivalent expression based
on the columns of a parent operator. Adding a forwardTrack() method to do
something similar, but for a child operator.
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