Files
go-gorm/main.go
T
2026-09-01 00:56:15 +02:00

63 lines
1.3 KiB
Go

package main
import (
"context"
"embed"
"fmt"
"time"
"github.com/golang-migrate/migrate/v4"
_ "github.com/golang-migrate/migrate/v4/database/sqlite3"
"github.com/golang-migrate/migrate/v4/source/iofs"
"gorm.io/driver/sqlite"
"gorm.io/gorm"
)
//go:embed migrations/*.sql
var migrations embed.FS
func main() {
ctx := context.Background()
// Execute migrations
migrationsFS, err := iofs.New(migrations, "migrations")
if err != nil {
panic(err)
}
migrator, err := migrate.NewWithSourceInstance("iofs", migrationsFS, "sqlite3://test.db")
if err != nil {
panic(err)
}
if err := migrator.Up(); err != nil && err != migrate.ErrNoChange {
panic(err)
}
// Connect to database
db, err := gorm.Open(sqlite.Open("test.db"), &gorm.Config{})
if err != nil {
panic("failed to connect database")
}
// Insert
err = gorm.G[EntryEntity](db).Create(ctx, &EntryEntity{
Message: "Hello World",
Timestamp: time.Now().Format(time.RFC3339),
})
if err != nil {
panic(err)
}
fmt.Println("successfully added an entry")
// Read
entries, err := gorm.G[EntryEntity](db).Find(ctx)
if err != nil {
panic(err)
}
fmt.Println("successfully read all entries")
for _, entry := range entries {
fmt.Printf("- [%04d][%s]: %s\n", entry.ID, entry.Timestamp, entry.Message)
}
}