GitHub user gatorsmile opened a pull request: https://github.com/apache/spark/pull/22403
[SPARK-25402][SQL][BACKPORT-2.2] Null handling in BooleanSimplification ## What changes were proposed in this pull request? This PR is to fix the null handling in BooleanSimplification. In the rule BooleanSimplification, there are two cases that do not properly handle null values. The optimization is not right if either side is null. This PR is to fix them. ## How was this patch tested? Added test cases You can merge this pull request into a Git repository by running: $ git pull https://github.com/gatorsmile/spark backportSpark25402 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/spark/pull/22403.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #22403 ---- commit 7088371330591b5278ae4e6083cfcbedc5f0fda6 Author: gatorsmile <gatorsmile@...> Date: 2018-09-12T13:11:22Z [SPARK-25402][SQL] Null handling in BooleanSimplification This PR is to fix the null handling in BooleanSimplification. In the rule BooleanSimplification, there are two cases that do not properly handle null values. The optimization is not right if either side is null. This PR is to fix them. Added test cases Closes #22390 from gatorsmile/fixBooleanSimplification. Authored-by: gatorsmile <gatorsm...@gmail.com> Signed-off-by: Wenchen Fan <wenc...@databricks.com> (cherry picked from commit 79cc59718fdf7785bdc37a26bb8df4c6151114a6) Signed-off-by: Wenchen Fan <wenc...@databricks.com> ---- --- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org