Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/20043#discussion_r158400953
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Expression.scala
---
@@ -118,10 +118,10 @@ abstract class Expression extends
TreeNode[Expression] {
private def reduceCodeSize(ctx: CodegenContext, eval: ExprCode): Unit = {
// TODO: support whole stage codegen too
if (eval.code.trim.length > 1024 && ctx.INPUT_ROW != null &&
ctx.currentVars == null) {
- val setIsNull = if (eval.isNull != "false" && eval.isNull != "true")
{
+ val setIsNull = if ("false" != s"${eval.isNull}" && "true" !=
s"${eval.isNull}") {
--- End diff --
oh, yea.
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