cloud-fan commented on a change in pull request #29311:
URL: https://github.com/apache/spark/pull/29311#discussion_r465489268
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala
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@@ -321,7 +321,9 @@ abstract class CastBase extends UnaryExpression with
TimeZoneAwareExpression wit
var i = 1
while (i < array.numElements) {
builder.append(",")
- if (!array.isNullAt(i)) {
+ if (array.isNullAt(i)) {
Review comment:
`if (array.isNullAt(i) && !legacyCastToStr)`
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