Github user kiszk commented on a diff in the pull request: https://github.com/apache/spark/pull/18966#discussion_r143628760 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/CodeGenerator.scala --- @@ -769,16 +769,21 @@ class CodegenContext { foldFunctions: Seq[String] => String = _.mkString("", ";\n", ";")): String = { val blocks = new ArrayBuffer[String]() val blockBuilder = new StringBuilder() + val maxLines = SQLConf.get.maxCodegenLinesPerFunction --- End diff -- @gatorsmile Since to make it configurable [takes long time](https://github.com/apache/spark/pull/19449#discussion_r143385878), can we do it using hard-coded parameter? Even in this case, this PR makes better since the estimation does not include characters for comment.
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