qiuchenjian commented on a change in pull request #3212: [CARBONDATA-3377] Fix
for Null pointer exception in Range Col compaction
URL: https://github.com/apache/carbondata/pull/3212#discussion_r284070493
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File path:
integration/spark-common/src/main/scala/org/apache/carbondata/spark/load/DataLoadProcessBuilderOnSpark.scala
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@@ -385,6 +385,11 @@ class ByteArrayOrdering() extends Ordering[Object] {
class StringOrdering() extends Ordering[Object] {
override def compare(x: Object, y: Object): Int = {
- (x.asInstanceOf[UTF8String]).compare(y.asInstanceOf[UTF8String])
+ if (x == null) {
Review comment:
what about "x==null && y == null" ?
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