package storage

import "fmt"

// Migrate applies Schema to the underlying database. Because Schema uses
// IF NOT EXISTS for all CREATE statements, a single Exec is sufficient and
// idempotent across restarts.
func (d *DB) Migrate() error {
	if d == nil || d.sqlDB == nil {
		return fmt.Errorf("storage: migrate: db not open")
	}
	if _, err := d.sqlDB.Exec(Schema); err != nil {
		return fmt.Errorf("storage: migrate: %w", err)
	}
	return nil
}