Github user twalthr commented on a diff in the pull request:
https://github.com/apache/flink/pull/5367#discussion_r165038256
--- Diff:
flink-libraries/flink-table/src/test/scala/org/apache/flink/table/api/stream/sql/CalcTest.scala
---
@@ -0,0 +1,47 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.flink.table.api.stream.sql
+
+import org.apache.flink.api.scala._
+import org.apache.flink.table.api.scala._
+import org.apache.flink.table.utils.TableTestBase
+import org.apache.flink.table.utils.TableTestUtil._
+import org.junit.Test
+
+class CalcTest extends TableTestBase {
+
+ @Test
+ def testArrayElement(): Unit = {
+ val util = streamTestUtil()
+ util.addTable[(Long, Array[(String, Int)])]("MyTable", 'a, 'b)
+
+ val expected = unaryNode(
+ "DataStreamCalc",
+ streamTableNode(0),
+ term("select",
+ "a",
+ "DOT(ITEM(b, 1), '_1') AS b11"
--- End diff --
Actually we don't need a full table test for this. As it only tests a
scalar operation. Can you move the test to `CompositeAccessTest` and test it
for all APIs.
---
