Github user twalthr commented on a diff in the pull request:
https://github.com/apache/flink/pull/4144#discussion_r122922340
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/api/StreamTableEnvironment.scala
---
@@ -437,39 +437,64 @@ abstract class StreamTableEnvironment(
var rowtime: Option[(Int, String)] = None
var proctime: Option[(Int, String)] = None
- exprs.zipWithIndex.foreach {
- case (RowtimeAttribute(reference@UnresolvedFieldReference(name)),
idx) =>
- if (rowtime.isDefined) {
+ def extractRowtime(idx: Int, name: String, origName: Option[String]):
Unit = {
+ if (rowtime.isDefined) {
+ throw new TableException(
+ "The rowtime attribute can only be defined once in a table
schema.")
+ } else {
+ val mappedIdx = streamType match {
+ case pti: PojoTypeInfo[_] =>
+ pti.getFieldIndex(origName.getOrElse(name))
--- End diff --
Thanks @sunjincheng121. Good point.
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