Github user sunjincheng121 commented on a diff in the pull request:
https://github.com/apache/flink/pull/3808#discussion_r114920160
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/api/BatchTableEnvironment.scala
---
@@ -194,7 +194,30 @@ abstract class BatchTableEnvironment(
protected def registerDataSetInternal[T](
name: String, dataSet: DataSet[T], fields: Array[Expression]): Unit
= {
- val (fieldNames, fieldIndexes) = getFieldInfo[T](dataSet.getType,
fields)
+ val (fieldNames, fieldIndexes) = getFieldInfo[T](
+ dataSet.getType,
+ fields,
+ ignoreTimeAttributes = true)
+
+ // validate and extract time attributes
+ val (rowtime, proctime) = validateAndExtractTimeAttributes(fieldNames,
fieldIndexes, fields)
+
+ // don't allow proctime on batch
+ proctime match {
--- End diff --
In fact, In batch mode we only support `event-time`, And the the column
that represents the `rowtime` is not an indicators but a real exist field. We
only care about the data type of the field,So IMO. we can not using both
`.proctime` and `.rowtime` in batch mode.
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