Josh Rosen created SPARK-13254:
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Summary: Fix planning of TakeOrderedAndProject operator
Key: SPARK-13254
URL: https://issues.apache.org/jira/browse/SPARK-13254
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.0.0
Reporter: Josh Rosen
Assignee: Josh Rosen
The patch for SPARK-8964 ("use Exchange to perform shuffle in Limit")
inadvertently broke the planning of the TakeOrderedAndProject operator: because
ReturnAnswer was the new root of the query plan, the TakeOrderedAndProject rule
was unable to match before BasicOperators. We should fix this by moving all
rules that match on ReturnAnswer to run at the start of the physical planning
process.
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