snuyanzin commented on code in PR #26840:
URL: https://github.com/apache/flink/pull/26840#discussion_r2240095348
##########
flink-table/flink-table-planner/src/test/scala/org/apache/flink/table/planner/plan/stream/sql/agg/OverAggregateTest.scala:
##########
@@ -480,4 +482,31 @@ class OverAggregateTest extends TableTestBase {
util.verifyExecPlan(sql)
}
+ @Test
+ def testWindowBoundaryNotNumeric(): Unit = {
+ val sql =
+ """
+ |SELECT c,
+ | COUNT(a) OVER (PARTITION BY b ORDER BY proctime
+ | ROWS BETWEEN '2' PRECEDING AND CURRENT ROW) AS cnt1
+ |FROM MyTable
+ """.stripMargin
+
+ assertThatThrownBy(() => util.verifyExecPlan(sql))
+ .hasRootCauseInstanceOf(classOf[ValidationException])
Review Comment:
added
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