maropu commented on a change in pull request #32552:
URL: https://github.com/apache/spark/pull/32552#discussion_r633204609
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/ArrayBasedMapData.scala
##########
@@ -32,6 +32,23 @@ class ArrayBasedMapData(val keyArray: ArrayData, val
valueArray: ArrayData) exte
override def copy(): MapData = new ArrayBasedMapData(keyArray.copy(),
valueArray.copy())
+ override def equals(o: Any): Boolean = {
+ if (!o.isInstanceOf[ArrayBasedMapData]) {
+ return false
+ }
+
+ val other = o.asInstanceOf[ArrayBasedMapData]
+ if (other eq null) {
+ return false
+ }
+
+ this.keyArray == other.keyArray && this.valueArray == other.valueArray
+ }
+
+ override def hashCode: Int = {
+ keyArray.hashCode() * 37 + valueArray.hashCode()
+ }
+
Review comment:
This part was copied from https://github.com/apache/spark/pull/13847
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