Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/19821#discussion_r153087542
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/CodeGenerator.scala
---
@@ -785,13 +785,36 @@ class CodegenContext {
* @param expressions the codes to evaluate expressions.
*/
def splitExpressions(row: String, expressions: Seq[String]): String = {
- if (row == null || currentVars != null) {
+ if (INPUT_ROW == null || currentVars != null) {
--- End diff --
keep it unchanged?
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