AI代码解释 String mysqlsql="CREATE TABLE pv (\n"+" day_str STRING,\n"+" pv bigINT,\n"+" PRIMARY KEY (day_str) NOT ENFORCED\n"+") WITH (\n"+" 'connector' = 'jdbc',\n"+" 'username' = 'root',\n"+" 'password' = 'root',\n"+" 'url' = 'jdbc:mysql://localhost:3306...
Flink的JDBC connector确实支持两阶段提交，这是一种可以保证数据一致性的机制。在两阶段提交中，数据在写...
executeSql("CREATE TABLE flinksink (" + "componentname STRING," + "componentcount BIGINT NOT NULL," + "componentsum BIGINT" + ") WITH (" + "'connector.type' = 'jdbc'," + "'connector.url' = 'jdbc:mysql://localhost:3306/testdb?characterEncoding=UTF-8&useUnicode=true&useSSL=false&...
-- 在 Flink SQL 中注册一张 MySQL 表 'users' CREATE TABLE MyUserTable ( id BIGINT, name STRING, age INT, status BOOLEAN, PRIMARY KEY (id) NOT ENFORCED ) WITH ( 'connector' = 'jdbc', 'url' = 'jdbc:mysql://localhost:3306/mydatabase', 'table-name' = 'users' ); ---具体事例-...
JDBC table 可以按如下定义: -- 在 Flink SQL 中注册一张 MySQL 表 'users'CREATETABLEMyUserTable ( idBIGINT, name STRING, ageINT, statusBOOLEAN,PRIMARYKEY (id)NOTENFORCED )WITH('connector'='jdbc','url'='jdbc:mysql://localhost:3306/mydatabase','table-name'='users','connector.username'='...
" + "'connector.url'='jdbc:mysql://localhost:3306/testdb?characterEncoding=UTF-8&useUnicode=true&useSSL=false&tinyInt1isBit=false&allowPublicKeyRetrieval=true&serverTimezone=Asia/Shanghai',\r\n" + "'connector.table'='flinksink',\r\n" + "'connector.username'='root',\r\n" +...
2. 开启 flink-sql-client 客户端 3. 搭建 Kafka 消息队列中间件服务,并启动服务,保持 9092 端口可连接 4. 创建 mysql 数据库相关表 5. 上述服务搭建过程,省略...(或参见历史相关文章) mysql 相关表,如下: 每分钟订单统计表 CREATE TABLE`min_order_count` ( ...
(1)通过FlinkSQL将数据写入mysql demo FlinkSQL的出现,极大程度上降低了Flink的编程门槛,更加容易理解和掌握使用。今天将自己的笔记分享出来,希望能帮助在这方面有需要的朋友。 (1)首先引入POM依赖: <properties> <flink.version>1.13.1</flink.version>
flink-json-1.9.0-sql-jar.jarhttp://central.maven.org/maven2/org/apache/flink/flink-json/1.9.0/flink-json-1.9.0-sql-jar.jar flink-jdbc_2.11-1.9.0.jarhttp://central.maven.org/maven2/org/apache/flink/flink-jdbc_2.11/1.9.0/flink-jdbc_2.11-1.9.0.jar mysql-connector-java-5.1.48.jarht...
该列的值将自动递增，且不允许为空。PRIMARY KEY关键字表示id列是该表的主键。