// RunTx creates a transaction context and runs fn within it.
func RunTx(d sqlbuilder.Database, fn func(tx sqlbuilder.Tx) error) error {
tx, err := d.NewTx()
if err != nil {
return err
}
defer tx.Close()
if err := fn(tx); err != nil {
tx.Rollback()
return err
}
return tx.Commit()
}
