flink-doris-connector/src/test/java/org/apache/doris/flink/DorisSourceExample.java

// 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.doris.flink;

import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
import org.apache.flink.table.api.Table;
import org.apache.flink.table.api.bridge.java.StreamTableEnvironment;

public class DorisSourceExample {

    public static void main(String[] args) throws Exception {

        final StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
        env.setParallelism(1);

        final StreamTableEnvironment tEnv = StreamTableEnvironment.create(env);

        // register a table in the catalog
        tEnv.executeSql(
                "CREATE TABLE doris_source ("
                        + "bigint_1 BIGINT,"
                        + "char_1 STRING,"
                        + "date_1 STRING,"
                        + "datetime_1 STRING,"
                        + "decimal_1 DECIMAL(5,2),"
                        + "double_1 DOUBLE,"
                        + "float_1 FLOAT ,"
                        + "int_1 INT ,"
                        + "largeint_1 STRING, "
                        + "smallint_1 SMALLINT, "
                        + "tinyint_1 TINYINT, "
                        + "varchar_1 STRING "
                        + ") "
                        + "WITH (\n"
                        + "  'connector' = 'doris',\n"
                        + "  'fenodes' = 'FE_IP:8030',\n"
                        + "  'table.identifier' = 'db.table',\n"
                        + "  'username' = 'root',\n"
                        + "  'password' = ''\n"
                        + ")");

        // define a dynamic aggregating query
        final Table result = tEnv.sqlQuery("SELECT * from doris_source  ");

        // print the result to the console
        tEnv.toDataStream(result).print();
        env.execute();
    }
}