Github user kiszk commented on a diff in the pull request:
https://github.com/apache/spark/pull/13909#discussion_r91039840
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/complexTypeCreator.scala
---
@@ -132,50 +153,80 @@ case class CreateMap(children: Seq[Expression])
extends Expression {
new ArrayBasedMapData(new GenericArrayData(keyArray), new
GenericArrayData(valueArray))
}
+ private def getAccessors(ctx: CodegenContext, dt: DataType, array:
String,
+ isPrimitive : Boolean, size: Int): (String, String, String) = {
+ if (!isPrimitive) {
+ val arrayClass = classOf[GenericArrayData].getName
+ ctx.addMutableState("Object[]", array, s"this.$array = null;")
+ (s"new $arrayClass($array)",
+ s"$array = new Object[${size}];", s"this.$array = null;")
+ } else {
+ val unsafeArrayClass = classOf[UnsafeArrayData].getName
+ val javaDataType = ctx.javaType(dt)
+ ctx.addMutableState(s"${javaDataType}[]", array,
+ s"this.$array = new ${javaDataType}[${size}];")
+ (s"$unsafeArrayClass.fromPrimitiveArray($array)", "", "")
--- End diff --
I left the conventional approach for non-primitive cases. Now, I tried to
allocate an object only once for non-primitive cases, too.
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