Github user ueshin closed the pull request at:
https://github.com/apache/spark/pull/15927
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GitHub user ueshin opened a pull request:
https://github.com/apache/spark/pull/15927
[SPARK-18500][SQL] Make GenericStrategy be able to prune plans by itself
after placeholders are replaced.
## What changes were proposed in this pull request?
This pr adds a functionality
