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希望 MSG 方式在 gRPC调用分支事务时增加类 header 功能 #417

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wuyazi opened this issue May 17, 2023 · 0 comments

wuyazi commented May 17, 2023 •

edited

原始语句

Add(busiServer+"/trans.TransSvc/TransOut", &busi.BusiReq{Amount: 30, UserId: 1})

希望的语句类似

Add(busiServer+"/trans.TransSvc/TransOut", &busi.BusiReq{Amount: 30, UserId: 1}, headers=xxxxxx)

我找到了底层调用函数 getGrpcResult，里面的调用是

conn.Invoke(ctx, method, branchPayload, &[]byte{})

有没有可能扩展下，增加 headers 参数，或 Extra 参数

目前的需求场景是用 MSG 模式做数据最终一直性
主事务会操作多个实体，每个实体会有多个从服务同步数据，但是每个实体的额外参数不一样，不能用事务级别的拦截器，所以希望在分支事务级别增加额外参数

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