package migrations

import (
	"github.com/uptrace/bun/dialect/feature"
)

type hasFeaturer interface {
	HasFeature(feat feature.Feature) bool
}

func autoincrementIDColumn(f hasFeaturer) string {
	if f.HasFeature(feature.GeneratedIdentity) {
		// postgres
		return "id bigint GENERATED BY DEFAULT AS IDENTITY primary key"
	}

	// sqlite
	return "id INTEGER PRIMARY KEY"
}