Github user gatorsmile commented on a diff in the pull request: https://github.com/apache/spark/pull/18966#discussion_r137050480 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/CodeGenerator.scala --- @@ -769,16 +769,27 @@ class CodegenContext { foldFunctions: Seq[String] => String = _.mkString("", ";\n", ";")): String = { val blocks = new ArrayBuffer[String]() val blockBuilder = new StringBuilder() + val defaultMaxLines = 100 + val maxLines = if (SparkEnv.get != null) { + SparkEnv.get.conf.getInt("spark.sql.codegen.expressions.maxCodegenLinesPerFunction", --- End diff -- There are multiple related PRs. Maybe we can wait until the reviews are finished there?
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