maropu commented on a change in pull request #29085:
URL: https://github.com/apache/spark/pull/29085#discussion_r456978942
##########
File path:
sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/HiveScriptTransformationExec.scala
##########
@@ -172,66 +193,95 @@ case class HiveScriptTransformationExec(
if (!hasNext) {
throw new NoSuchElementException
}
- if (outputSerde == null) {
- val prevLine = curLine
- curLine = reader.readLine()
- if (!ioschema.schemaLess) {
- new GenericInternalRow(
-
prevLine.split(ioschema.outputRowFormatMap("TOK_TABLEROWFORMATFIELD"))
- .map(CatalystTypeConverters.convertToCatalyst))
+ val raw = outputSerde.deserialize(scriptOutputWritable)
+ scriptOutputWritable = null
+ val dataList = outputSoi.getStructFieldsDataAsList(raw)
+ var i = 0
+ while (i < dataList.size()) {
+ if (dataList.get(i) == null) {
+ mutableRow.setNullAt(i)
} else {
- new GenericInternalRow(
-
prevLine.split(ioschema.outputRowFormatMap("TOK_TABLEROWFORMATFIELD"), 2)
- .map(CatalystTypeConverters.convertToCatalyst))
- }
- } else {
- val raw = outputSerde.deserialize(scriptOutputWritable)
- scriptOutputWritable = null
- val dataList = outputSoi.getStructFieldsDataAsList(raw)
- var i = 0
- while (i < dataList.size()) {
- if (dataList.get(i) == null) {
- mutableRow.setNullAt(i)
- } else {
- unwrappers(i)(dataList.get(i), mutableRow, i)
- }
- i += 1
+ unwrappers(i)(dataList.get(i), mutableRow, i)
}
- mutableRow
+ i += 1
}
+ mutableRow
}
}
+ }
+
+ override def processIterator(
+ inputIterator: Iterator[InternalRow],
+ hadoopConf: Configuration): Iterator[InternalRow] = {
+
+ val (outputStream, proc, inputStream, stderrBuffer) = initProc
+
+ // This nullability is a performance optimization in order to avoid an
Option.foreach() call
+ // inside of a loop
+ @Nullable val (inputSerde, inputSoi) =
initInputSerDe(input).getOrElse((null, null))
+
+ // For HiveScriptTransformationExec, if inputSerde == null, but
outputSerde != null
+ // We will use StringBuffer to pass data, in this case, we should cast
data as string too.
+ val finalInput = if (inputSerde == null) {
+ input.map(Cast(_, StringType).withTimeZone(conf.sessionLocalTimeZone))
Review comment:
```
val finalInput = if (inputSerde == null) {
inputExpressionsWithoutSerde
} else {
input
}
// The base class
protected lazy val inputExpressionsWithoutSerde: Seq[Expression] = {
input.map(Cast(_, StringType).withTimeZone(conf.sessionLocalTimeZone))
}
```
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