Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/15901#discussion_r88647109
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/objects/objects.scala
---
@@ -164,28 +232,26 @@ case class Invoke(
"""
}
- val setIsNull = if (propagateNull && arguments.nonEmpty) {
- s"boolean ${ev.isNull} = ${obj.isNull} ||
${argGen.map(_.isNull).mkString(" || ")};"
- } else {
- s"boolean ${ev.isNull} = ${obj.isNull};"
- }
-
// If the function can return null, we do an extra check to make sure
our null bit is still set
// correctly.
val postNullCheck = if (ctx.defaultValue(dataType) == "null") {
s"${ev.isNull} = ${ev.value} == null;"
} else {
""
}
+
val code = s"""
${obj.code}
- ${argGen.map(_.code).mkString("\n")}
- $setIsNull
+ boolean ${ev.isNull} = true;
$javaType ${ev.value} = ${ctx.defaultValue(dataType)};
- if (!${ev.isNull}) {
- $evaluate
+ if (!${obj.isNull}) {
--- End diff --
Anyway, I think this new code looks clearer than before, what do you think?
@ueshin
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