AngersZhuuuu commented on a change in pull request #33363:
URL: https://github.com/apache/spark/pull/33363#discussion_r671944145
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/BaseScriptTransformationExec.scala
##########
@@ -274,11 +278,21 @@ abstract class BaseScriptTransformationWriterThread
extends Thread with Logging
ioSchema.inputRowFormatMap("TOK_TABLEROWFORMATLINES")
} else {
val sb = new StringBuilder
- sb.append(row.get(0, inputSchema(0)))
+ val first = row.get(0, inputSchema(0))
+ if (first == null) {
+ sb.append(ioSchema.inputRowFormatMap("TOK_TABLEROWFORMATNULL"))
+ } else {
+ sb.append(first)
+ }
var i = 1
while (i < len) {
sb.append(ioSchema.inputRowFormatMap("TOK_TABLEROWFORMATFIELD"))
- sb.append(row.get(i, inputSchema(i)))
+ val value = row.get(i, inputSchema(i))
+ if (value == null) {
+ sb.append(ioSchema.inputRowFormatMap("TOK_TABLEROWFORMATNULL"))
+ } else {
+ sb.append(value)
+ }
Review comment:
Done
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/BaseScriptTransformationExec.scala
##########
@@ -240,7 +240,11 @@ trait BaseScriptTransformationExec extends UnaryExecNode {
(f: String => Any, converter: Any => Any) =>
(data: String) => converter {
try {
- f(data)
+ if (data == ioschema.outputRowFormatMap("TOK_TABLEROWFORMATNULL")) {
+ null
+ } else {
+ f(data)
+ }
Review comment:
Done
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