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Database operations in Golang can use frameworks such as GORM, Go-pg and xorm. GORM is a powerful ORM framework that supports chained queries, automatic mapping, built-in connection pools, etc. Go-pg is designed for PostgreSQL and provides high performance and concurrency support. xorm is a lightweight ORM framework that provides simple API and transaction and batch processing support. Practical cases demonstrate the use of GORM for CRUD operations (create, read, update, delete).
Golang framework’s support for database operations
In Golang, there are a variety of frameworks that simplify interaction with databases, such as :
GORM
GORM is a powerful ORM (Object Relational Mapping) framework that supports a variety of databases (such as MySQL, PostgreSQL), with the following features:
Go-pg
Go-pg is a PostgreSQL-specific ORM framework. Its main features are:
xorm
xorm is a lightweight ORM framework that supports a variety of databases. Features include:
Practical case: using GORM for CRUD operations
The following is a usage Example of GORM CRUD (create, read, update, delete) operations:
package main import ( "database/sql" "fmt" "log" "github.com/jinzhu/gorm" _ "github.com/jinzhu/gorm/dialects/mysql" // mysql 驱动 ) type User struct { ID int Name string } func main() { // 打开数据库连接 db, err := sql.Open("mysql", "user:password@tcp(localhost:3306)/database") if err != nil { log.Fatal(err) } // 创建 GORM 实例 gormDB, err := gorm.Open("mysql", db) if err != nil { log.Fatal(err) } // 自动迁移模型 gormDB.AutoMigrate(&User{}) // 创建 user := User{Name: "John"} gormDB.Create(&user) // 读取 var user2 User gormDB.First(&user2, "name = ?", "John") fmt.Println("User:", user2) // 更新 user2.Name = "Jane" gormDB.Save(&user2) // 删除 gormDB.Delete(&user2) }
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