sunjincheng121 commented on a change in pull request #8057:
[FLINK-12028][table] Add `addColumns`,`renameColumns`, `dropColumns` …
URL: https://github.com/apache/flink/pull/8057#discussion_r270361944
##########
File path:
flink-table/flink-table-planner/src/test/scala/org/apache/flink/table/runtime/batch/table/CalcITCase.scala
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@@ -593,6 +593,77 @@ class CalcITCase(
val results = filterDs.toDataSet[Row].collect()
TestBaseUtils.compareResultAsText(results.asJava, expected)
}
+
+ @Test
+ def testAddColumns(): Unit = {
Review comment:
In general, it's better for each operator to add an ITCase. and I know it
will cost more time, do you want to remove all of the ITCase, or reduce the
column ITCase in one?.
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