hequn8128 commented on a change in pull request #6521: [FLINK-5315][table]
Adding support for distinct operation for table API on DataStream
URL: https://github.com/apache/flink/pull/6521#discussion_r208549936
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File path:
flink-libraries/flink-table/src/test/scala/org/apache/flink/table/api/stream/table/validation/AggregateValidationTest.scala
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@@ -21,11 +21,24 @@ package org.apache.flink.table.api.stream.table.validation
import org.apache.flink.api.scala._
import org.apache.flink.table.api.ValidationException
import org.apache.flink.table.api.scala._
+import
org.apache.flink.table.runtime.utils.JavaUserDefinedAggFunctions.WeightedAvg
import org.apache.flink.table.utils.TableTestBase
import org.junit.Test
class AggregateValidationTest extends TableTestBase {
+ @Test(expected = classOf[ValidationException])
+ def testDistinctModifierOnBothSide(): Unit = {
+ val util = streamTestUtil()
+ val table = util.addTable[(Long, Int, String)]('a, 'b, 'c)
+ val func = new WeightedAvg
+
+ val ds = table
+ // must fail. '_foo is not a valid field
Review comment:
Adapt this comment.
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