Zhenhua Wang created SPARK-20124:
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Summary: Join reorder should keep the same order of final project
attributes
Key: SPARK-20124
URL: https://issues.apache.org/jira/browse/SPARK-20124
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 2.2.0
Reporter: Zhenhua Wang
Join reorder algorithm should keep exactly the same order of output attributes
in the top project.
For example, if user want to select a, b, c, after reordering, we should output
a, b, c in the same order as specified by user, instead of b, a, c or other
orders.
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