Method getInstance

gorm.go:448–475

()

}

func (db *DB) getInstance() *DB {
	if db.clone > 0 {
		tx := &DB{Config: db.Config, Error: db.Error}

		if db.clone == 1 {
			// clone with new statement
			tx.Statement = &Statement{
				DB:        tx,
				ConnPool:  db.Statement.ConnPool,
				Context:   db.Statement.Context,
				Clauses:   map[string]clause.Clause{},
				Vars:      make([]interface{}, 0, 8),
				SkipHooks: db.Statement.SkipHooks,
			}
			if db.Config.PropagateUnscoped {
				tx.Statement.Unscoped = db.Statement.Unscoped
			}
		} else {
			// with clone statement
			tx.Statement = db.Statement.clone()
			tx.Statement.DB = tx
		}

		return tx
	}

	return db
}

// Expr returns clause.Expr, which can be used to pass SQL expression as params
func Expr(expr string, args ...interface{}) clause.Expr {