Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/12979#discussion_r63743830
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/CodeGenerator.scala
---
@@ -717,6 +737,23 @@ abstract class GeneratedClass {
}
/**
+ * A wrapper for the source code to be compiled by [[CodeGenerator]].
+ */
+class CodeAndComment(val body: String, val comment: Map[String, String])
extends Serializable {
+ override def equals(that: Any): Boolean = {
+ if (!that.isInstanceOf[CodeAndComment]) {
+ return false
+ }
+ val thatSourceCode = that.asInstanceOf[CodeAndComment]
+ if (thatSourceCode eq null) return false
--- End diff --
We could use match-case to simplify this
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