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https://issues.apache.org/jira/browse/FLINK-5710?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15863771#comment-15863771
]
ASF GitHub Bot commented on FLINK-5710:
---------------------------------------
Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3271#discussion_r100807508
--- Diff:
flink-libraries/flink-table/src/test/java/org/apache/flink/table/api/java/stream/sql/StreamAggregationSqlITCase.java
---
@@ -0,0 +1,81 @@
+/*
+ * 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.java.stream.sql;
+
+import org.apache.flink.table.api.java.StreamTableEnvironment;
+import org.apache.flink.api.java.tuple.Tuple5;
+import org.apache.flink.types.Row;
+import org.apache.flink.table.api.scala.stream.utils.StreamITCase;
+import org.apache.flink.table.api.Table;
+import org.apache.flink.table.api.TableEnvironment;
+import org.apache.flink.streaming.api.datastream.DataStream;
+import
org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
+import org.apache.flink.streaming.util.StreamingMultipleProgramsTestBase;
+import org.apache.flink.table.api.java.stream.utils.StreamTestData;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class StreamAggregationSqlITCase extends
StreamingMultipleProgramsTestBase {
--- End diff --
We test functions and expressions not with integration tests (too time
intensive) but by extending the `ExpressionTestBase` class. We could add the
tests for `procTime` to the `TemporalTypesTest` class.
> Add ProcTime() function to indicate StreamSQL
> ---------------------------------------------
>
> Key: FLINK-5710
> URL: https://issues.apache.org/jira/browse/FLINK-5710
> Project: Flink
> Issue Type: New Feature
> Components: DataStream API
> Reporter: Stefano Bortoli
> Assignee: Stefano Bortoli
> Priority: Minor
>
> procTime() is a parameterless scalar function that just indicates processing
> time mode
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