Merge pull request #16146 from taosdata/docs/xiaolei/TD-18414-update-node-subscribe-doc
docs(driver):update C# 3.0 tmq doc under develop/tmq.mdx
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c5de872f50
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@ -126,8 +126,34 @@ func (c *Consumer) Subscribe(topics []string) error
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func (c *Consumer) Unsubscribe() error
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```
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</TabItem>
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<TabItem value="C#" label="C#">
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```C#
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ConsumerBuilder(IEnumerable<KeyValuePair<string, string>> config)
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virtual IConsumer Build()
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Consumer(ConsumerBuilder builder)
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void Subscribe(IEnumerable<string> topics)
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void Subscribe(string topic)
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ConsumeResult Consume(int millisecondsTimeout)
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List<string> Subscription()
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void Unsubscribe()
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void Commit(ConsumeResult consumerResult)
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void Close()
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```
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</TabItem>
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</Tabs>
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## 写入数据
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@ -343,6 +369,32 @@ if err != nil {
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```
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</TabItem>
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<TabItem value="C#" label="C#">
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```C#
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using TDengineTMQ;
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// 根据需要,设置消费组 (GourpId)、自动提交 (EnableAutoCommit)、
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// 自动提交时间间隔 (AutoCommitIntervalMs)、用户名 (TDConnectUser)、密码 (TDConnectPasswd) 等参数
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var cfg = new ConsumerConfig
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{
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EnableAutoCommit = "true"
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AutoCommitIntervalMs = "1000"
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GourpId = "TDengine-TMQ-C#",
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TDConnectUser = "root",
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TDConnectPasswd = "taosdata",
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AutoOffsetReset = "earliest"
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MsgWithTableName = "true",
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TDConnectIp = "127.0.0.1",
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TDConnectPort = "6030"
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};
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var consumer = new ConsumerBuilder(cfg).Build();
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```
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</TabItem>
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</Tabs>
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上述配置中包括 consumer group ID,如果多个 consumer 指定的 consumer group ID 一样,则自动形成一个 consumer group,共享消费进度。
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@ -389,6 +441,20 @@ if err != nil {
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</TabItem>
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<TabItem value="C#" label="C#">
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```C#
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// 创建订阅 topics 列表
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List<String> topics = new List<string>();
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topics.add("tmq_topic");
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// 启动订阅
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consumer.Subscribe(topics);
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```
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</TabItem>
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<TabItem value="Python" label="Python">
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```python
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consumer = TaosConsumer('topic_ctb_column', group_id='vg2')
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@ -396,6 +462,7 @@ consumer = TaosConsumer('topic_ctb_column', group_id='vg2')
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</TabItem>
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</Tabs>
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## 消费
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@ -455,6 +522,23 @@ for {
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</TabItem>
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</Tabs>
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<TabItem value="C#" label="C#">
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```C#
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// 消费数据
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while (true)
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{
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var consumerRes = consumer.Consume(100);
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// process ConsumeResult
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ProcessMsg(consumerRes);
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consumer.Commit(consumerRes);
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}
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```
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</TabItem>
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</Tabs>
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## 结束消费
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消费结束后,应当取消订阅。
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@ -498,6 +582,16 @@ consumer.Close()
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```
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</TabItem>
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<TabItem value="C#" label="C#">
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```C#
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// 取消订阅
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consumer.Unsubscribe();
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// 关闭消费
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consumer.Close();
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</TabItem>
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</Tabs>
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## 删除 *topic*
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