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修改kafka输出格式，适配starrocks #174

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修改kafka输出格式，适配starrocks #174

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13 changes: 12 additions & 1 deletion plugin/kafka/src/kafka.go
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Original file line number Diff line number Diff line change
Expand Up @@ -212,6 +212,11 @@ func (This *Conn) getMsg(data *pluginDriver.PluginDataType) (*sarama.ProducerMes
Key := fmt.Sprint(pluginDriver.TransfeResult(This.p.Key,data,len(data.Rows)-1))
msg.Key = sarama.StringEncoder(Key)
}

// 适配StarRocks里的kafka格式，将更新前的数据被去掉了，只留下更新后的数据。
if len(data.Rows) == 2 && data.EventType == "update" {
data.Rows = data.Rows[1:]
}

c,err := json.Marshal(data)
if err != nil{
Expand All @@ -226,6 +231,12 @@ func (This *Conn) sendToList(data *pluginDriver.PluginDataType,retry bool,isComm
LastSuccessCommitData,err = This.sendToKafkaByBatch()
goto endErr
}

// 如果是sql或者commit类型，则不加入dataList发送到kafka中，兼容StarRocks，对端无法识别这类数据
if data.EventType == "sql" || data.EventType == "commit" {
goto endErr
}

if This.p.BatchSize > 1 {
if retry == false {
var msg *sarama.ProducerMessage
Expand Down Expand Up @@ -333,4 +344,4 @@ func (This *Conn) sendToKafkaByBatch() (*pluginDriver.PluginDataType, error) {

func (This *Conn) TimeOutCommit() (*pluginDriver.PluginDataType, *pluginDriver.PluginDataType,error) {
return This.sendToList(nil,true,false)
}
}