Github user kiszk commented on a diff in the pull request: https://github.com/apache/spark/pull/20021#discussion_r157963775 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/CodeGenerator.scala --- @@ -930,6 +930,18 @@ class CodegenContext { // inline execution if only one block blocks.head } else { + if (Utils.isTesting) { --- End diff -- Here is a [discussion](https://github.com/apache/spark/pull/19865#discussion_r156862608) about this testing.
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