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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-10689) Port UDFs in Table API extension points to flink-table-common
Date Fri, 09 Nov 2018 06:04:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-10689?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16680916#comment-16680916
] 

ASF GitHub Bot commented on FLINK-10689:
----------------------------------------

xueyumusic commented on a change in pull request #7059: [FLINK-10689][table] Port UDFs in
Table API extension points to flink-table-common
URL: https://github.com/apache/flink/pull/7059#discussion_r232149628
 
 

 ##########
 File path: flink-libraries/flink-table-common/src/main/java/org/apache/flink/table/functions/AggregateFunction.java
 ##########
 @@ -0,0 +1,143 @@
+/*
+ * 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.functions;
+
+import org.apache.flink.api.common.typeinfo.TypeInformation;
+
+/**
+ * Base class for User-Defined Aggregates.
+ *
+ * <p>The behavior of an [[AggregateFunction]] can be defined by implementing a series
of custom
 
 Review comment:
   Thanks~, @bowenli86 , updated.
   
   
   

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> Port UDFs in Table API extension points to flink-table-common
> -------------------------------------------------------------
>
>                 Key: FLINK-10689
>                 URL: https://issues.apache.org/jira/browse/FLINK-10689
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table API &amp; SQL
>            Reporter: Timo Walther
>            Assignee: xueyu
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.8.0
>
>
> After FLINK-10687 and FLINK-10688 have been resolved, we should also port the remaining
extension points of the Table API to flink-table-common. This includes interfaces for UDFs
and the external catalog interface.
> This ticket is for porting UDFs. This jira does NOT depend on FLINK-16088 so it can
be started at anytime.



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