
AssociationForeignKey must be the same type of ForeignKey ForeignKey is better to be uint as gorm.Model.ID is uint
GORM
The fantastic ORM library for Golang, aims to be developer friendly.
Overview
- Full-Featured ORM (almost)
- Associations (Has One, Has Many, Belongs To, Many To Many, Polymorphism)
- Callbacks (Before/After Create/Save/Update/Delete/Find)
- Preloading (eager loading)
- Transactions
- Composite Primary Key
- SQL Builder
- Auto Migrations
- Logger
- Extendable, write Plugins based on GORM callbacks
- Every feature comes with tests
- Developer Friendly
Install
go get -u github.com/jinzhu/gorm
Upgrading To V1.0
Quick Start
package main
import (
"github.com/jinzhu/gorm"
_ "github.com/jinzhu/gorm/dialects/sqlite"
)
type Product struct {
gorm.Model
Code string
Price uint
}
func main() {
db, err := gorm.Open("sqlite3", "test.db")
if err != nil {
panic("failed to connect database")
}
defer db.Close()
// Migrate the schema
db.AutoMigrate(&Product{})
// Create
db.Create(&Product{Code: "L1212", Price: 1000})
// Read
var product Product
db.First(&product, 1) // find product with id 1
db.First(&product, "code = ?", "L1212") // find product with code l1212
// Update - update product's price to 2000
db.Model(&product).Update("Price", 2000)
// Delete - delete product
db.Delete(&product)
}
Author
jinzhu
Contributors
https://github.com/jinzhu/gorm/graphs/contributors
License
Released under the MIT License.