[SPARK-20124] Join reorder should keep the same order of final project attributes - ASF JIRA

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Details

Type: Sub-task
Status: Resolved
Priority: Major
Resolution: Fixed
Affects Version/s: 2.2.0
Fix Version/s: 2.2.0
Component/s: SQL
Labels:
None

Description

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.