Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/17569#discussion_r110513238
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/objects/objects.scala
---
@@ -228,17 +228,13 @@ case class Invoke(
s"""
Object $funcResult = null;
${getFuncResult(funcResult,
s"${obj.value}.$functionName($argString)")}
- if ($funcResult == null) {
- ${ev.isNull} = true;
- } else {
- ${ev.value} = (${ctx.boxedType(javaType)}) $funcResult;
- }
+ ${ev.value} = (${ctx.boxedType(javaType)}) $funcResult;
"""
}
// 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") {
+ val postNullCheck = if (ctx.defaultValue(dataType) == "null" &&
returnNullable) {
--- End diff --
actually, can we embed `postNullCheck` to `evaluate`?
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