Github user jaceklaskowski commented on a diff in the pull request:
https://github.com/apache/spark/pull/13909#discussion_r68506564
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/complexTypeCreator.scala
---
@@ -51,27 +51,52 @@ case class CreateArray(children: Seq[Expression])
extends Expression {
override def doGenCode(ctx: CodegenContext, ev: ExprCode): ExprCode = {
val arrayClass = classOf[GenericArrayData].getName
val values = ctx.freshName("values")
- ctx.addMutableState("Object[]", values, s"this.$values = null;")
-
- ev.copy(code = s"""
- final boolean ${ev.isNull} = false;
- this.$values = new Object[${children.size}];""" +
- ctx.splitExpressions(
- ctx.INPUT_ROW,
- children.zipWithIndex.map { case (e, i) =>
- val eval = e.genCode(ctx)
- eval.code + s"""
+ val dt = dataType match {
+ case a @ ArrayType(et, _) => et
+ }
+ val isPrimitive = ctx.isPrimitiveType(dt)
+ val evals = children.map(e => e.genCode(ctx))
+ val allNonNull = evals.find(_.isNull != "false").isEmpty
--- End diff --
`evals.forall(_.isNull == "true")` ?
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