dawidwys commented on a change in pull request #7967: [FLINK-11449][table]
Uncouple the Expression class from RexNodes
URL: https://github.com/apache/flink/pull/7967#discussion_r264723067
##########
File path:
flink-table/flink-table-planner/src/main/scala/org/apache/flink/table/api/scala/expressionDsl.scala
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@@ -1249,8 +1359,8 @@ object timestampDiff {
timePointUnit: TimePointUnit,
timePoint1: Expression,
timePoint2: Expression)
- : Expression = {
- TimestampDiff(timePointUnit, timePoint1, timePoint2)
+ : Expression = {
Review comment:
```suggestion
: Expression = {
```
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