bersprockets commented on code in PR #38923:
URL: https://github.com/apache/spark/pull/38923#discussion_r1040179271
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/InterpretedMutableProjection.scala:
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@@ -75,13 +78,28 @@ class InterpretedMutableProjection(expressions:
Seq[Expression]) extends Mutable
if (!e.nullable) {
(v: Any) => writer(mutableRow, v)
} else {
- (v: Any) => {
- if (v == null) {
- mutableRow.setNullAt(i)
- } else {
- writer(mutableRow, v)
- }
+ val nullSafeWriter: (InternalRow, Any) => Unit = e.dataType match {
+ case DecimalType.Fixed(precision, _) if precision >
Decimal.MAX_LONG_DIGITS =>
Review Comment:
Although this won't handle the case where the decimal type is nested in a
struct or array, that shouldn't be an issue, since in that situation the target
row won't be an unsafe row (`InterpretedMutableProjection#target` would reject
such a row, AFAICT). When the row is not an unsafe row, the plain `writer`
should be fine.
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