Search in sources :

Example 16 with Tuple7

use of org.apache.flink.api.java.tuple.Tuple7 in project flink by apache.

the class JoinITCase method testSelectingMultipleFieldsUsingExpressionLanguage.

@Test
public void testSelectingMultipleFieldsUsingExpressionLanguage() throws Exception {
    /*
		 * selecting multiple fields using expression language
		 */
    final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
    DataSet<POJO> ds1 = CollectionDataSets.getSmallPojoDataSet(env);
    DataSet<Tuple7<Integer, String, Integer, Integer, Long, String, Long>> ds2 = CollectionDataSets.getSmallTuplebasedDataSet(env);
    DataSet<Tuple2<POJO, Tuple7<Integer, String, Integer, Integer, Long, String, Long>>> joinDs = ds1.join(ds2).where("nestedPojo.longNumber", "number", "str").equalTo("f6", "f0", "f1");
    env.setParallelism(1);
    List<Tuple2<POJO, Tuple7<Integer, String, Integer, Integer, Long, String, Long>>> result = joinDs.collect();
    String expected = "1 First (10,100,1000,One) 10000,(1,First,10,100,1000,One,10000)\n" + "2 Second (20,200,2000,Two) 20000,(2,Second,20,200,2000,Two,20000)\n" + "3 Third (30,300,3000,Three) 30000,(3,Third,30,300,3000,Three,30000)\n";
    compareResultAsTuples(result, expected);
}
Also used : POJO(org.apache.flink.test.javaApiOperators.util.CollectionDataSets.POJO) ExecutionEnvironment(org.apache.flink.api.java.ExecutionEnvironment) Tuple7(org.apache.flink.api.java.tuple.Tuple7) Tuple2(org.apache.flink.api.java.tuple.Tuple2) Test(org.junit.Test)

Aggregations

ExecutionEnvironment (org.apache.flink.api.java.ExecutionEnvironment)16 Tuple7 (org.apache.flink.api.java.tuple.Tuple7)16 Test (org.junit.Test)16 POJO (org.apache.flink.test.javaApiOperators.util.CollectionDataSets.POJO)15 Tuple2 (org.apache.flink.api.java.tuple.Tuple2)12 CustomType (org.apache.flink.test.javaApiOperators.util.CollectionDataSets.CustomType)3 Plan (org.apache.flink.api.common.Plan)1 FieldList (org.apache.flink.api.common.operators.util.FieldList)1 DiscardingOutputFormat (org.apache.flink.api.java.io.DiscardingOutputFormat)1 Channel (org.apache.flink.optimizer.plan.Channel)1 DualInputPlanNode (org.apache.flink.optimizer.plan.DualInputPlanNode)1 OptimizedPlan (org.apache.flink.optimizer.plan.OptimizedPlan)1 SinkPlanNode (org.apache.flink.optimizer.plan.SinkPlanNode)1 IdentityCoGrouper (org.apache.flink.optimizer.testfunctions.IdentityCoGrouper)1