Function writeFilter

graphql/dgraph/graphquery.go:204–228

(b *strings.Builder, ft *dql.FilterTree)

}

func writeFilter(b *strings.Builder, ft *dql.FilterTree) {
	if ft == nil {
		return
	}

	switch ft.Op {
	case "and", "or":
		x.Check2(b.WriteRune('('))
		for i, child := range ft.Child {
			if i > 0 && i <= len(ft.Child)-1 {
				x.Check2(b.WriteString(fmt.Sprintf(" %s ", strings.ToUpper(ft.Op))))
			}
			writeFilter(b, child)
		}
		x.Check2(b.WriteRune(')'))
	case "not":
		if len(ft.Child) > 0 {
			x.Check2(b.WriteString("NOT ("))
			writeFilter(b, ft.Child[0])
			x.Check2(b.WriteRune(')'))
		}
	default:
		writeFilterFunction(b, ft.Func)
	}
}

func hasOrderOrPage(q *dql.GraphQuery) bool {
	_, hasFirst := q.Args["first"]