Function disjoint

backend/plugin/parser/pg/restore.go:220–227

(a []string, b map[string]bool)

}

func disjoint(a []string, b map[string]bool) bool {
	for _, item := range a {
		if _, ok := b[item]; ok {
			return false
		}
	}
	return true
}

func findDisjointUniqueKey(table *model.TableMetadata, fields []string) (string, error) {
	columnMap := make(map[string]bool)