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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-9964) Add a CSV table format factory
Date Mon, 13 Aug 2018 14:57:01 GMT

    [ https://issues.apache.org/jira/browse/FLINK-9964?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16578380#comment-16578380

ASF GitHub Bot commented on FLINK-9964:

twalthr commented on a change in pull request #6541: [FLINK-9964] [table] Add a CSV table
format factory
URL: https://github.com/apache/flink/pull/6541#discussion_r209598354

 File path: flink-formats/flink-csv/pom.xml
 @@ -0,0 +1,88 @@
+<?xml version="1.0" encoding="UTF-8"?>
+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
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.apache.flink</groupId>
+		<artifactId>flink-formats</artifactId>
+		<version>1.7-SNAPSHOT</version>
+		<relativePath>..</relativePath>
+	</parent>
+	<artifactId>flink-csv</artifactId>
+	<name>flink-csv</name>
+	<packaging>jar</packaging>
+	<dependencies>
+		<!-- core dependencies -->
+		<dependency>
+			<groupId>org.apache.flink</groupId>
+			<artifactId>flink-core</artifactId>
+			<version>${project.version}</version>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.apache.flink</groupId>
+			<!-- use a dedicated Scala version to not depend on it -->
+			<artifactId>flink-table_2.11</artifactId>
+			<version>${project.version}</version>
+			<scope>provided</scope>
+			<!-- Projects depending on this project, won't depend on flink-table. -->
+			<optional>true</optional>
+		</dependency>
+		<!-- jackson -->
+		<dependency>
+			<groupId>com.fasterxml.jackson.dataformat</groupId>
 Review comment:
   @zentol I guess we need to add this to flink-shaded similar as for YAML right?

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> Add a CSV table format factory
> ------------------------------
>                 Key: FLINK-9964
>                 URL: https://issues.apache.org/jira/browse/FLINK-9964
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table API &amp; SQL
>            Reporter: Timo Walther
>            Assignee: buptljy
>            Priority: Major
>              Labels: pull-request-available
> We should add a RFC 4180 compliant CSV table format factory to read and write data into
Kafka and other connectors. This requires a {{SerializationSchemaFactory}} and {{DeserializationSchemaFactory}}.
How we want to represent all data types and nested types is still up for discussion. For example,
we could flatten and deflatten nested types as it is done [here|http://support.gnip.com/articles/json2csv.html].
We can also have a look how tools such as the Avro to CSV tool perform the conversion.

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