feat: support create from existing connection pool

sqlite.go

@@ -26,6 +26,13 @@ type Dialector struct {
 	Conn       gorm.ConnPool
 }
 
+type Config struct {
+	DriverName string
+	DSN        string
+	Conn       gorm.ConnPool
+}
+
+
 func Open(dsn string) gorm.Dialector {
 	return &Dialector{DSN: dsn}
 }
@@ -73,6 +80,10 @@ func (dialector Dialector) Initialize(db *gorm.DB) (err error) {
 	return
 }
 
+func New(config Config) gorm.Dialector {
+	return &Dialector{DSN: config.DSN, DriverName: config.DriverName, Conn: config.Conn}
+}
+
 func (dialector Dialector) ClauseBuilders() map[string]clause.ClauseBuilder {
 	return map[string]clause.ClauseBuilder{
 		"INSERT": func(c clause.Clause, builder clause.Builder) {