godfrey he created FLINK-13563:
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Summary: TumblingGroupWindow should implement toString method
Key: FLINK-13563
URL: https://issues.apache.org/jira/browse/FLINK-13563
Project: Flink
Issue Type: Bug
Components: Table SQL / Planner
Affects Versions: 1.9.0, 1.10.0
Reporter: godfrey he
Fix For: 1.9.0, 1.10.0
{code:scala}
@Test
def testAllEventTimeTumblingGroupWindowOverTime(): Unit = {
val util = streamTestUtil()
val table = util.addDataStream[(Long, Int, String)](
"T1", 'long, 'int, 'string, 'rowtime.rowtime)
val windowedTable = table
.window(Tumble over 5.millis on 'rowtime as 'w)
.groupBy('w)
.select('int.count)
util.verifyPlan(windowedTable)
}
{code}
currently, it's physical plan is
{code:java}
HashWindowAggregate(window=[TumblingGroupWindow], select=[Final_COUNT(count$0)
AS EXPR$0])
+- Exchange(distribution=[single])
+- LocalHashWindowAggregate(window=[TumblingGroupWindow],
select=[Partial_COUNT(int) AS count$0])
+- TableSourceScan(table=[[default_catalog, default_database, Table1,
source: [TestTableSource(long, int, string)]]], fields=[long, int, string])
{code}
we know nothing about the TumblingGroupWindow except its name
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