migrator

type Migration struct {
	Version  int64
	Name     string
	Dir      string // "up" or "down"
	File     string
	SQL      string
	Checksum string
}

type Options struct {
	// MigrationsDir is kept for backward compatibility. If non-empty,
	// it will be appended to MigrationsDirs.
	MigrationsDir string
	// MigrationsDirs allows loading migrations from multiple directories.
	// Directories are processed in order; later files with the same name
	// override earlier ones before parsing.
	MigrationsDirs []string
	// EmbeddedFSs allows loading migrations from multiple embedded
	// filesystems. Each is expected to contain a "migrations" directory.
	// Embedded filesystems are appended after explicit directories.
	EmbeddedFSs []fs.FS
	TableName   string
	LockKey     int64
	// AllowDangerousDown enables Down(); keep disabled in API binaries.
	AllowDangerousDown bool
	// Logger outputs formatted status messages.
	Logger func(format string, args ...any)
}

type Runner struct {
	DB   *sql.DB
	Opts Options
	// contains filtered or unexported fields
}