mysqlSink.md

1.格式：

CREATE TABLE tableName(
    colName colType,
    ...
    colNameX colType,
     [primary key (colName)]
 )WITH(
    type ='mysql',
    url ='jdbcUrl',
    userName ='userName',
    password ='pwd',
    tableName ='tableName',
    parallelism ='parllNum'
 );

2.支持版本

mysql-5.6.35

3.表结构定义

参数名称	含义
tableName	结果表名称
colName	列名称
colType	列类型 colType支持的类型

4.参数：

参数名称	含义	是否必填	默认值
type	表名 输出表类型[mysq|hbase|elasticsearch]	是
url	连接mysql数据库 jdbcUrl	是
userName	mysql连接用户名	是
password	mysql连接密码	是
tableName	mysql表名称	是
parallelism	并行度设置	否	1
batchSize	flush的大小	否	100
batchWaitInterval	flush的时间间隔，单位ms	否	1000
allReplace	true:新值替换旧值	否	false
updateMode	APPEND：不回撤数据，只下发增量数据，UPSERT：先删除回撤数据，然后更新	否	结果表设置主键则为UPSERT

5.完整样例：

CREATE TABLE MyTable(
    id int,
    channel varchar,
    pv varchar,
    xctime varchar,
    name varchar
 )WITH(
    type ='kafka10',
    bootstrapServers ='172.16.8.107:9092',
    zookeeperQuorum ='172.16.8.107:2181/kafka',
    offsetReset ='latest',
    topic ='es_test',
    timezone='Asia/Shanghai',
    topicIsPattern ='false',
    parallelism ='1'
 );

CREATE TABLE MyResult(
    pv VARCHAR,
    channel VARCHAR
 )WITH(
    type ='mysql',
    url ='jdbc:mysql://172.16.10.134:3306/test',
    userName ='dtstack',
    password ='abc123',
    tableName ='myresult',
    parallelism ='1'
 );


insert  
into
    MyResult
    select
        channel,
        pv
    from
        MyTable        

6.结果表数据示例：

mysql> desc myresult;
+---------+--------------+------+-----+---------+-------+
| Field   | Type         | Null | Key | Default | Extra |
+---------+--------------+------+-----+---------+-------+
| channel | varchar(255) | YES  |     | NULL    |       |
| pv      | varchar(11)  | YES  |     | NULL    |       |
+---------+--------------+------+-----+---------+-------+
2 rows in set (0.00 sec)

mysql> select *  from myresult limit 1;
+---------+------+
| channel | pv   |
+---------+------+
| aa    | mq6  |