wuchong commented on a change in pull request #13427:
URL: https://github.com/apache/flink/pull/13427#discussion_r492461768
##########
File path:
flink-table/flink-table-planner-blink/src/test/scala/org/apache/flink/table/planner/runtime/stream/sql/WindowAggregateITCase.scala
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@@ -347,6 +347,83 @@ class WindowAggregateITCase(mode: StateBackendMode)
assertEquals(expected.sorted, sink.getAppendResults.sorted)
}
+ @Test
+ def testEventTimeTumblingWindowWithOffset(): Unit = {
+ val stream = failingDataSource(data)
+ .assignTimestampsAndWatermarks(
+ new TimestampAndWatermarkWithOffset
+ [(Long, Int, Double, Float, BigDecimal, String, String)](10L))
+ val table = stream.toTable(tEnv,
+ 'rowtime.rowtime, 'int, 'double, 'float, 'bigdec, 'string, 'name)
+ tEnv.registerTable("T1", table)
+
+ val sql =
+ """
+ |SELECT
+ | `string`,
+ | TUMBLE_START(rowtime, INTERVAL '0.005' SECOND, TIME '00:00:00.003'),
Review comment:
Personally, I don't see a strong need for `INTERVAL`. I think the offset
is used for time zone offset, so it shoudn't larger than day.
cc @danny0405 , do you think the reason why Calcite use TIME type for the
offset argument?
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