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sqlite.go
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/
sqlite.go
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package db
import (
"os"
"github.com/eryajf/chatgpt-wecom/pkg/logger"
"github.com/glebarez/sqlite"
"gorm.io/gorm"
)
// 全局数据库对象
var DB *gorm.DB
// 初始化数据库
func InitDB() {
DB = ConnSqlite()
dbAutoMigrate()
}
// 自动迁移表结构
func dbAutoMigrate() {
_ = DB.AutoMigrate(
Chat{},
)
}
func ConnSqlite() *gorm.DB {
err := os.MkdirAll("data", 0755)
if err != nil {
return nil
}
db, err := gorm.Open(sqlite.Open("data/wecom.sqlite"), &gorm.Config{
// 禁用外键(指定外键时不会在mysql创建真实的外键约束)
DisableForeignKeyConstraintWhenMigrating: true,
})
if err != nil {
logger.Fatal("failed to connect sqlite3: %v", err)
}
dbObj, err := db.DB()
if err != nil {
logger.Fatal("failed to get sqlite3 obj: %v", err)
}
// 参见: https://github.com/glebarez/sqlite/issues/52
dbObj.SetMaxOpenConns(1)
return db
}