Github user ravipesala commented on a diff in the pull request:
https://github.com/apache/incubator-carbondata/pull/597#discussion_r100721184
--- Diff:
integration/spark2/src/main/scala/org/apache/spark/sql/CarbonDictionaryDecoder.scala
---
@@ -175,16 +175,25 @@ case class CarbonDictionaryDecoder(
val unsafeProjection =
UnsafeProjection.create(output.map(_.dataType).toArray)
var flag = true
var total = 0L
+
override final def hasNext: Boolean = iter.hasNext
+
override final def next(): InternalRow = {
val startTime = System.currentTimeMillis()
val row: InternalRow = iter.next()
val data = row.toSeq(dataTypes).toArray
dictIndex.foreach { index =>
if (data(index) != null) {
- data(index) =
DataTypeUtil.getDataBasedOnDataType(dicts(index)
-
.getDictionaryValueForKey(data(index).asInstanceOf[Int]),
- getDictionaryColumnIds(index)._3)
+ try {
+ data(index) =
DataTypeUtil.getDataBasedOnDataType(dicts(index)
+
.getDictionaryValueForKey(data(index).asInstanceOf[Int]),
+ getDictionaryColumnIds(index)._3)
+ }
+ catch {
+ case x: ClassCastException => {
--- End diff --
How just exception logging could solve the issue? It can create some other
issue, please try to avoid classcast exception first.
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