Github user cloud-fan commented on the issue:
https://github.com/apache/spark/pull/21802
@rxin Generally I agree with you, but currently the whole-stage-codegen
doesn't support `CodegenFallback`, which means, if we don't implement codegen,
this expression will stop WSC and hurt perf a lot.--- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org
