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Flink (三):MaxCompute DataSet Connector

正义的杰克船长 2022-01-12 阅读 48

一、背景

需把MaxCompute的结果采用FLink DataSet 读取数据,并sink到目标表,采用离线批处理读取数据并

二、全量同步代码

MaxCompute源表和结果表依赖 VVR 4.0.7(对应Flink 1.13)

 <dependency>
      <groupId>com.alibaba.ververica</groupId>
      <artifactId>ververica-connector-odps</artifactId>
      <version>1.13-vvr-4.0.7</version>
</dependency>

 离线对某一个分区全量读取数据

           ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();

            //字段信息
            ODPSColumn[] oDPSColumns=new ODPSColumn[1];
            ODPSColumn ODPSColumn=new ODPSColumn("id", OdpsType.STRING,false);
            oDPSColumns[0]=ODPSColumn;
            //表名
            String tableName ="";
            //分区信息
            String[] partitions=new String[1];
            partitions[0]="dt=";
            OdpsConf odpsConf =new OdpsConf(accessid,accesskey, endpoint, project, null);

            ODPSInputFormat ODPSInputFormat =new ODPSInputFormat(odpsConf, tableName,oDPSColumns,true,partitions);

            DataSource<RowData> dataSources=env.createInput(ODPSInputFormat);
            source.addSink(new PrintSinkFunction<>());
            env.execute("test_odps");

之前查找官方文档没有这块说明,查看源代码发现,记录一下

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