[GitHub] spark pull request #19727: [WIP][SPARK-22497][SQL] Project reuse

Github user wangyum closed the pull request at: https://github.com/apache/spark/pull/19727 --- - To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org

[GitHub] spark pull request #19727: [WIP][SPARK-22497][SQL] Project reuse

GitHub user wangyum opened a pull request: https://github.com/apache/spark/pull/19727 [WIP][SPARK-22497][SQL] Project reuse ## What changes were proposed in this pull request? The below SQL will scan `table1` twice. This PR reuse the `p1` and scan `table1` once. ```sql