wuchong commented on a change in pull request #14610:
URL: https://github.com/apache/flink/pull/14610#discussion_r558115913
##########
File path:
flink-table/flink-table-planner-blink/src/test/scala/org/apache/flink/table/planner/plan/stream/sql/DeduplicateTest.scala
##########
@@ -141,6 +162,27 @@ class DeduplicateTest extends TableTestBase {
util.verifyExecPlan(sql)
}
+ @Test
+ def testMiniBatchInferLastRowOnRowtime(): Unit = {
+
util.tableEnv.getConfig.getConfiguration.setBoolean(TABLE_EXEC_MINIBATCH_ENABLED,
true)
+
util.tableEnv.getConfig.getConfiguration.setLong(TABLE_EXEC_MINIBATCH_SIZE, 3L)
+ util.tableEnv.getConfig.getConfiguration.set(
+ TABLE_EXEC_MINIBATCH_ALLOW_LATENCY, Duration.ofSeconds(1))
+ val sql =
+ """
+ |SELECT COUNT(b) FROM (
+ | SELECT a, b, c
+ | FROM (
+ | SELECT *,
+ | ROW_NUMBER() OVER (PARTITION BY a ORDER BY rowtime DESC) as
rank_num
+ | FROM MyTable)
Review comment:
`MyTable` is view from DataStream. Would be great if we can add test for
DDL with watermark to verify `MiniBatchAssigner` also works well with
`WatermarkAssigner`.
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