danny0405 commented on a change in pull request #13577:
URL: https://github.com/apache/flink/pull/13577#discussion_r505207410
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File path:
flink-table/flink-table-planner/src/test/scala/org/apache/flink/table/plan/TimeIndicatorConversionTest.scala
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@@ -204,20 +204,16 @@ class TimeIndicatorConversionTest extends TableTestBase {
val result = t.unionAll(t).select('rowtime)
- val expected = binaryNode(
- "DataStreamUnion",
- unaryNode(
- "DataStreamCalc",
+ val expected = unaryNode(
+ "DataStreamCalc",
+ binaryNode(
+ "DataStreamUnion",
streamTableNode(t),
- term("select", "rowtime")
- ),
- unaryNode(
- "DataStreamCalc",
streamTableNode(t),
- term("select", "rowtime")
+ term("all", "true"),
+ term("union all", "rowtime, long, int")
),
- term("all", "true"),
- term("union all", "rowtime")
+ term("select", "rowtime")
Review comment:
After some debug, i found that the 2 plan has the same cost:
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