개발자 친화적인 것을 목표로 하는 Go언어 ORM 라이브러리
개요
- 완전한 기능을 가진 ORM
- Associations (Has One, Has Many, Belongs To, Many To Many, Polymorphism, Single-table inheritance)
- Hooks (Before/After Create/Save/Update/Delete/Find)
Preload
, Joins
를 통한 데이터 가져오기
- Transactions, Nested Transactions, Save Point, RollbackTo to Saved Point
- Context, Prepared Statement 모드, DryRun 모드
- Batch Insert, FindInBatches, Find/Create with Map, CRUD with SQL Expr and Context Valuer
- SQL Builder, Upsert, Locking, Optimizer/Index/Comment Hints, Named Argument, SubQuery
- Composite Primary Key, Indexes, Constraints
- Auto Migrations
- Logger
- Generics API for type-safe queries and operations
- Extendable, flexible plugin API: Database Resolver (multiple databases, read/write splitting) / Prometheus…
- 모든 기능들은 테스트와 함께 제공됩니다
- 개발자 친화적
설치
go get -u gorm.io/gorm go get -u gorm.io/driver/sqlite
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빠르게 시작하기
Generics API (>= v1.30.0)
package main
import ( "context" "gorm.io/driver/sqlite" "gorm.io/gorm" )
type Product struct { gorm.Model Code string Price uint }
func main() { db, err := gorm.Open(sqlite.Open("test.db"), &gorm.Config{}) if err != nil { panic("failed to connect database") }
ctx := context.Background()
db.AutoMigrate(&Product{})
err = gorm.G[Product](db).Create(ctx, &Product{Code: "D42", Price: 100})
product, err := gorm.G[Product](db).Where("id = ?", 1).First(ctx) products, err := gorm.G[Product](db).Where("code = ?", "D42").Find(ctx)
err = gorm.G[Product](db).Where("id = ?", product.ID).Update(ctx, "Price", 200) err = gorm.G[Product](db).Where("id = ?", product.ID).Updates(ctx, map[string]interface{}{"Price": 200, "Code": "F42"})
err = gorm.G[Product](db).Where("id = ?", product.ID).Delete(ctx) }
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Traditional API
package main
import ( "gorm.io/driver/sqlite" "gorm.io/gorm" )
type Product struct { gorm.Model Code string Price uint }
func main() { db, err := gorm.Open(sqlite.Open("test.db"), &gorm.Config{}) if err != nil { panic("failed to connect database") }
db.AutoMigrate(&Product{})
db.Create(&Product{Code: "D42", Price: 100})
var product Product db.First(&product, 1) db.First(&product, "code = ?", "D42")
db.Model(&product).Update("Price", 200) db.Model(&product).Updates(Product{Price: 200, Code: "F42"}) db.Model(&product).Updates(map[string]interface{}{"Price": 200, "Code": "F42"})
db.Delete(&product, 1) }
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