Davies Liu created SPARK-13376:
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Summary: Improve column pruning
Key: SPARK-13376
URL: https://issues.apache.org/jira/browse/SPARK-13376
Project: Spark
Issue Type: Improvement
Components: SQL
Reporter: Davies Liu
Assignee: Davies Liu
Column pruning could help to skip to columns that are not used by any following
operators.
The current implementation only work with a few of logical plans, we should
improve that to support all of them.
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