AngersZhuuuu commented on a change in pull request #33363:
URL: https://github.com/apache/spark/pull/33363#discussion_r674469954
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/BaseScriptTransformationExec.scala
##########
@@ -118,7 +118,7 @@ trait BaseScriptTransformationExec extends UnaryExecNode {
val processRowWithoutSerde = if (!ioschema.schemaLess) {
prevLine: String =>
new GenericInternalRow(
- prevLine.split(outputRowFormat).padTo(outputFieldWriters.size,
null)
+ prevLine.split(outputRowFormat, -1).padTo(outputFieldWriters.size,
null)
Review comment:
FYI @cloud-fan @maropu For this change, I need to explain is that.
If we not add parameter -1,
```
"2@false@Spark SQL@".split('@') will have three elems
"2"
"false"
"Spark SQL"
```
Since we are strict handle data, we need to add -1 the result should be
```
"2@false@Spark SQL@".split('@', -1) will have three elems
"2"
"false"
"Spark SQL"
""
```
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