maropu commented on a change in pull request #32527:
URL: https://github.com/apache/spark/pull/32527#discussion_r631499051
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/objects/objects.scala
##########
@@ -127,13 +128,19 @@ trait InvokeLike extends Expression with NonSQLExpression
{
arguments: Seq[Expression],
input: InternalRow,
dataType: DataType): Any = {
- val args = arguments.map(e => e.eval(input).asInstanceOf[Object])
- if (needNullCheck && args.exists(_ == null)) {
+ var i = 0
+ val len = arguments.length
+ while (i < len) {
+ val e = arguments(i)
Review comment:
It looks we don't need this intermediate val?
```
evaluatedArgs(i) = arguments(i).eval(input).asInstanceOf[Object]
```
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/objects/objects.scala
##########
@@ -127,13 +128,19 @@ trait InvokeLike extends Expression with NonSQLExpression
{
arguments: Seq[Expression],
input: InternalRow,
dataType: DataType): Any = {
- val args = arguments.map(e => e.eval(input).asInstanceOf[Object])
- if (needNullCheck && args.exists(_ == null)) {
+ var i = 0
+ val len = arguments.length
+ while (i < len) {
+ val e = arguments(i)
+ evaluatedArgs(i) = e.eval(input).asInstanceOf[Object]
+ i += 1
+ }
+ if (needNullCheck && evaluatedArgs.exists(_ == null)) {
Review comment:
nit: my IDE suggests `.exists(_ == null)` -> `.contains(null)`
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