65 lines
1.6 KiB
Markdown
65 lines
1.6 KiB
Markdown
## demo1 单流kafka写入mysqld 参考
|
|
|
|
配置参考:
|
|
[jdbc](https://ci.apache.org/projects/flink/flink-docs-release-1.12/dev/table/connectors/jdbc.html)
|
|
[kafka](https://ci.apache.org/projects/flink/flink-docs-release-1.12/dev/table/connectors/kafka.html)
|
|
|
|
触发方式: 针对每条触发一次
|
|
|
|
source kafka json 数据格式
|
|
topic: flink_test
|
|
msg: {"day_time": "20201009","id": 7,"amnount":20}
|
|
|
|
sink mysql 创建语句
|
|
|
|
```sql
|
|
CREATE TABLE sync_test_1 (
|
|
`day_time` varchar(64) NOT NULL,
|
|
`total_gmv` bigint(11) DEFAULT NULL,
|
|
PRIMARY KEY (`day_time`)
|
|
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8mb4;
|
|
|
|
```
|
|
|
|
配置语句
|
|
|
|
```sql
|
|
|
|
create table flink_test_1 (
|
|
id BIGINT,
|
|
day_time VARCHAR,
|
|
amnount BIGINT,
|
|
proctime AS PROCTIME ()
|
|
)
|
|
with (
|
|
'connector' = 'kafka',
|
|
'topic' = 'flink_test',
|
|
'properties.bootstrap.servers' = '172.25.20.76:9092',
|
|
'properties.group.id' = 'flink_gp_test1',
|
|
'scan.startup.mode' = 'earliest-offset',
|
|
'format' = 'json',
|
|
'json.fail-on-missing-field' = 'false',
|
|
'json.ignore-parse-errors' = 'true',
|
|
'properties.zookeeper.connect' = '172.25.20.76:2181/kafka'
|
|
);
|
|
|
|
CREATE TABLE sync_test_1 (
|
|
day_time string,
|
|
total_gmv bigint,
|
|
PRIMARY KEY (day_time) NOT ENFORCED
|
|
) WITH (
|
|
'connector' = 'jdbc',
|
|
'url' = 'jdbc:mysql://172.25.21.10:3306/flink_web?characterEncoding=UTF-8',
|
|
'table-name' = 'sync_test_1',
|
|
'username' = 'videoweb',
|
|
'password' = 'suntek'
|
|
);
|
|
|
|
INSERT INTO sync_test_1
|
|
SELECT day_time,SUM(amnount) AS total_gmv
|
|
FROM flink_test_1
|
|
GROUP BY day_time;
|
|
|
|
```
|
|
|