GitHub user peter-toth opened a pull request: https://github.com/apache/spark/pull/22789
[SPARK-25767][SQL] fix inputVars preparation if outputVars is a lazy stream ## What changes were proposed in this pull request? Code generation is incorrect if `outputVars` parameter of `consume` method in `CodegenSupport` contains a lazy evaluated stream of expressions. This PR fixes the issue by forcing the evaluation of `inputVars` before generating the code for UnsafeRow. ## How was this patch tested? Tested with the sample program provided in https://issues.apache.org/jira/browse/SPARK-25767 You can merge this pull request into a Git repository by running: $ git pull https://github.com/peter-toth/spark SPARK-25767 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/spark/pull/22789.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 #22789 ---- commit 2ca1795da0af56021e7002bcae8ed8545eb72b6d Author: Peter Toth <peter.toth@...> Date: 2018-10-21T20:53:08Z [SPARK-25767][SQL] fix inputVars preparation if outputVars is a lazy stream Change-Id: Iac584a018f9892367841357c667ccaec1c15047b ---- --- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org