分区表(带主键)中 ticdc 是如何解析出主键的
参考输出协议的文档就可以了
"indexes":[
{
"name":"primary",
"unique":true,
"primary":true,
"nullable":false,
"columns":[
"id"
]
}
]
https://docs.pingcap.com/zh/tidb/stable/ticdc-simple-protocol