sqlserverSink.md

May 21, 2020 · View on GitHub

1.格式:

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

2.支持版本

sqlserver-5.6.35

3.表结构定义

参数名称含义
tableNamesqlserver表名称
colName列名称
colType列类型 colType支持的类型
primary keyupdateMode为UPSERT时,需要指定的主键信息

4.参数:

参数名称含义是否必填默认值
type结果表插件类型,必须为sqlserver
url连接sqlserver数据库 jdbcUrl
userNamesqlserver连接用户名
passwordsqlserver连接密码
tableNamesqlserver表名称
schemasqlserver表空间
parallelism并行度设置1
batchSizeflush的大小100
batchWaitIntervalflush的时间间隔,单位ms1000
allReplacetrue:新值替换旧值false
updateModeAPPEND:不回撤数据,只下发增量数据,UPSERT:先删除回撤数据,然后更新

5.样例:

回溯流删除


CREATE TABLE source1 (
    id int,
    name VARCHAR
)WITH(
    type ='kafka11',
    bootstrapServers ='172.16.8.107:9092',
    zookeeperQuorum ='172.16.8.107:2181/kafka',
    offsetReset ='latest',
    topic ='mqTest03',
    timezone='Asia/Shanghai',
    topicIsPattern ='false'
 );


CREATE TABLE source2(
    id int,
    address VARCHAR
)WITH(
    type ='kafka11',
    bootstrapServers ='172.16.8.107:9092',
    zookeeperQuorum ='172.16.8.107:2181/kafka',
    offsetReset ='latest',
    topic ='mqTest04',
    timezone='Asia/Shanghai',
    topicIsPattern ='false'
);


CREATE TABLE MyResult(
    id int,
    name VARCHAR,
    address VARCHAR,
    primary key (id)
)WITH(
    type='sqlserver',
    url='jdbc:jtds:sqlserver://172.16.8.149:1433;DatabaseName=DTstack',
    userName='sa',
    password='Dtstack2018',
    tableName='user',
    schema = 'aaa',
    updateMode = 'upsert',
    batchSize = '1'
);

insert into MyResult
select 
	s1.id,
	s1.name,
	s2.address
from 
	source1 s1
left join
	source2 s2
on 	
	s1.id = s2.id

数据结果:

向Topic mqTest03 发送数据 {"name":"maqi","id":1001} 插入 (1001,"maqi",null)

向Topic mqTest04 发送数据 {"address":"hz","id":1001} 删除 (1001,"maqi",null) 插入 (1001,"maqi","hz")