Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3743#discussion_r112479103
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/api/scala/expressionDsl.scala
---
@@ -586,6 +602,13 @@ trait ImplicitExpressionOperations {
* to [[ImplicitExpressionOperations]].
*/
trait ImplicitExpressionConversions {
+
+ implicit val UNBOUNDED_ROW = toRowInterval(Long.MaxValue)
+ implicit val UNBOUNDED_RANGE = toMilliInterval(1, Long.MaxValue)
+
+ implicit val CURRENT_ROW = toRowInterval(0L)
+ implicit val CURRENT_RANGE = toMilliInterval(0L, Long.MaxValue)
--- End diff --
isn't a range interval of `0` a valid range to use? I would mean all rows
that arrived in the same millisecond as the current row, no?
Should we use `-1` as constant for current row instead?
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