flink 1.18 sql demo

flink 1.18 sql demo

更换flink-table-planner 为 flink-table-planner-loader pom.xml

    <dependencies>
        <!-- https://mvnrepository.com/artifact/org.apache.flink/flink-table-api-java-uber -->
        <dependency>
            <groupId>org.apache.flink</groupId>
            <artifactId>flink-table-api-java-uber</artifactId>
            <version>1.18.0</version>
            <scope>provided</scope>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.apache.flink/flink-table-runtime -->
        <dependency>
            <groupId>org.apache.flink</groupId>
            <artifactId>flink-table-runtime</artifactId>
            <version>1.18.0</version>
        </dependency>
        <dependency>
            <groupId>org.apache.flink</groupId>
            <artifactId>flink-table-api-java-bridge</artifactId>
            <version>1.18.0</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.apache.flink/flink-clients -->
        <dependency>
            <groupId>org.apache.flink</groupId>
            <artifactId>flink-clients</artifactId>
            <version>1.18.0</version>
        </dependency>

        <dependency>
            <groupId>org.apache.flink</groupId>
            <artifactId>flink-connector-base</artifactId>
            <version>1.18.0</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.apache.flink/flink-csv -->
        <dependency>
            <groupId>org.apache.flink</groupId>
            <artifactId>flink-csv</artifactId>
            <version>1.18.0</version>
        </dependency>
        <!-- 官网给的是flink-connector-kafka 但是flink on k8s 会缺包然后有个sql-connector jar 引入后正常 两个保留一个即可 -->
     <dependency>
            <groupId>org.apache.flink</groupId>
            <artifactId>flink-sql-connector-kafka</artifactId>
            <version>3.0.2-1.18</version>
        </dependency>
        <dependency>
            <groupId>org.apache.flink</groupId>
            <artifactId>flink-connector-kafka</artifactId>
            <version>3.0.2-1.18</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.apache.flink/flink-table-planner -->
<!--        <dependency>-->
<!--            <groupId>org.apache.flink</groupId>-->
<!--            <artifactId>flink-table-planner_2.12</artifactId>-->
<!--            <version>1.18.0</version>-->
<!--        </dependency>-->
<!--         https://mvnrepository.com/artifact/org.apache.flink/flink-table-planner-loader-->
        <dependency>
            <groupId>org.apache.flink</groupId>
            <artifactId> </artifactId>
            <version>1.18.0</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.7.21</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>1.7.21</version>
        </dependency>

    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-shade-plugin</artifactId>
                <version>3.1.1</version>
                <executions>
                    <execution>
                        <phase>package</phase>
                        <goals>
                            <goal>shade</goal>
                        </goals>
                        <configuration>
                            <artifactSet>
                                <excludes>
                                    <exclude>com.google.code.findbugs:jsr305</exclude>
                                </excludes>
                            </artifactSet>
                            <filters>
                                <filter>
                                    <!-- Do not copy the signatures in the META-INF folder.
                                    Otherwise, this might cause SecurityExceptions when using the JAR. -->
                                    <artifact>*:*</artifact>
                                    <excludes>
                                        <exclude>META-INF/*.SF</exclude>
                                        <exclude>META-INF/*.DSA</exclude>
                                        <exclude>META-INF/*.RSA</exclude>
                                    </excludes>
                                </filter>
                            </filters>
                            <transformers>
                                <transformer
                                        implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                                    <!-- Replace this with the main class of your job 这里是你的主类地址-->
                                    <mainClass>com.cn.App</mainClass>
                                </transformer>
                                <transformer
                                        implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
                            </transformers>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

demo

package com.cn;

import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;

import org.apache.flink.table.api.Table;

import org.apache.flink.table.api.bridge.java.StreamTableEnvironment;


/**
 * @Classname app
 * @Description TODO
 * @Date 2024/1/12 11:26
 * @Created by typezhou
 */
public class App {
   
    public static void main(String[] args) throws Exception {
   
        StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
        env.enableCheckpointing(1000L);
        StreamTableEnvironment tableEnv = StreamTableEnvironment.create(env);
        String str = "CREATE TABLE KafkaTable (\n" +
                "  `user_id` STRING,\n" +
                "  `ts` TIMESTAMP(3) METADATA FROM 'timestamp'\n" +
                ") WITH (\n" +
                "  'connector' = 'kafka',\n" +
                "  'topic' = 'aaaa',\n" +
                "  'properties.bootstrap.servers' = '172.xx.xx.xx:9092,172.xx.86.xx:9092,172.xx.xx.xx:9092',\n" +
                "  'properties.group.id' = 'testGrou1p',\n" +
                "  'scan.startup.mode' = 'latest-offset',\n" +
                "  'format' = 'csv'\n" +
                ")";
        tableEnv.executeSql(str);
        Table tableResult = tableEnv.sqlQuery("SELECT user_id  FROM KafkaTable group by user_id");
//        DataStream<ResultBean> tuple2DataStream = tableEnv.toDataStream(result, ResultBean.class);
//        SingleOutputStreamOperator<ResultBean> map = tuple2DataStream.map(new MapFunction<ResultBean, ResultBean>() {
   
//            @Override
//            public ResultBean map(ResultBean s) throws Exception {
   
//                Thread.sleep(3000L);
//                return s;
//            }
//        });
//        tuple2DataStream.print();
        String sqlPri = "CREATE TABLE print_table (\n" +
                "  `user_id` STRING \n" +
                ") WITH (\n" +
                "  'connector' = 'kafka',\n" +
                "  'topic' = 'bbbb',\n" +
                "  'properties.bootstrap.servers' = '172.xx.xx.xx:9092,172.xx.86.xx:9092,172.xx.xx.xx:9092',\n" +
                "  'format' = 'csv'\n" +
                ")";
        tableEnv.executeSql(sqlPri);
        tableEnv.executeSql("insert into  print_table SELECT user_id FROM KafkaTable");

    }


}