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grpc gateway

Posted by 夏泽民 Feb 28, 2021

https://jergoo.gitbooks.io/go-grpc-practice-guide/content/chapter3/gateway.html etcd3 API全面升级为gRPC后，同时要提供REST API服务，维护两个版本的服务显然不太合理，所以grpc-gateway诞生了。通过protobuf的自定义option实现了一个网关，服务端同时开启gRPC和HTTP服务，HTTP服务接收客户端请求后转换为grpc请求数据，获取响应后转为json数据返回给客户端。

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mysql enum

Posted by 夏泽民 Feb 28, 2021

CREATE TABLE t_enum_example ( id int(11) NOT NULL AUTO_INCREMENT, name varchar(10) DEFAULT NULL, color enum(‘blue’,’green’,’red’) DEFAULT NULL, PRIMARY KEY (id) USING BTREE ) ENGINE = InnoDB AUTO_INCREMENT = 1;

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ddd

Posted by 夏泽民 Feb 28, 2021

项目的目录结构 分为 application，domain，facade，infrastructure 四个部分

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cobertura gover 测试覆盖率

Posted by 夏泽民 Feb 28, 2021

https://github.com/t-yuki/gocover-cobertura This is a simple helper tool for generating XML output in Cobertura format for CIs like Jenkins and others from go tool cover output.

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gorm Preloading

Posted by 夏泽民 Feb 28, 2021

默认情况下GORM因为性能问题，不会自动加载关联属性的值，gorm通过Preload函数支持预加载（Eager loading）关联数据

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