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https://issues.apache.org/jira/browse/FLINK-5710?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15869346#comment-15869346
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ASF GitHub Bot commented on FLINK-5710:
---------------------------------------
Github user huawei-flink commented on a diff in the pull request:
https://github.com/apache/flink/pull/3271#discussion_r101454598
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/codegen/calls/ProcTimeCallGen.scala
---
@@ -0,0 +1,40 @@
+/*
+ * 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.codegen.calls
+
+import org.apache.flink.api.common.typeinfo.{SqlTimeTypeInfo,
TypeInformation}
+import org.apache.flink.table.codegen.{CodeGenerator, GeneratedExpression}
+
+/**
+ * Generates function call to determine current time point (as
date/time/timestamp) in
--- End diff --
not sure I understand this point. Should the generate method throw an
exception, or should the code for the exception be generated?
> 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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