dianfu commented on a change in pull request #7235: [FLINK-10976] [table] Add
support for aggregate to table API
URL: https://github.com/apache/flink/pull/7235#discussion_r241301046
##########
File path:
flink-libraries/flink-table/src/test/scala/org/apache/flink/table/api/stream/table/stringexpr/AggregateStringExpressionTest.scala
##########
@@ -128,4 +128,71 @@ class AggregateStringExpressionTest extends TableTestBase
{
verifyTableEquals(resJava, resScala)
}
+
+ @Test
+ def testNonGroupedTableAggregate(): Unit = {
+ val util = streamTestUtil()
+ val t = util.addTable[(Int, Long, String)]('a, 'b, 'c)
+
+ val testAgg = new CountMinMax
+ util.tableEnv.registerFunction("testAgg", testAgg)
+
+ // Expression / Scala API
+ val resScala = t
+ .aggregate(testAgg('a))
+ .select('f0, 'f1)
+
+ // String / Java API
+ val resJava = t
+ .aggregate("testAgg(a)")
+ .select("f0, f1")
+
+ verifyTableEquals(resScala, resJava)
+ }
+
+ @Test
+ def testTableAggregate(): Unit = {
Review comment:
+1. Done.
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