Function writeQuery

graphql/dgraph/graphquery.go:68–124

(b *strings.Builder, query *dql.GraphQuery, prefix string)

}

func writeQuery(b *strings.Builder, query *dql.GraphQuery, prefix string) {
	if query.Var != "" || query.Alias != "" || query.Attr != "" {
		x.Check2(b.WriteString(prefix))
	}
	if query.Var != "" {
		x.Check2(b.WriteString(fmt.Sprintf("%s as ", query.Var)))
	}
	if query.Alias != "" {
		x.Check2(b.WriteString(query.Alias))
		x.Check2(b.WriteString(" : "))
	}
	x.Check2(b.WriteString(query.Attr))

	if query.Func != nil {
		writeRoot(b, query)
	}

	if query.Filter != nil {
		x.Check2(b.WriteString(" @filter("))
		writeFilter(b, query.Filter)
		x.Check2(b.WriteRune(')'))
	}

	if query.Func == nil && hasOrderOrPage(query) {
		x.Check2(b.WriteString(" ("))
		writeOrderAndPage(b, query, false)
		x.Check2(b.WriteRune(')'))
	}

	if len(query.Cascade) != 0 {
		if query.Cascade[0] == "__all__" {
			x.Check2(b.WriteString(" @cascade"))
		} else {
			x.Check2(b.WriteString(" @cascade("))
			x.Check2(b.WriteString(strings.Join(query.Cascade, ", ")))
			x.Check2(b.WriteRune(')'))
		}
	}

	switch {
	case len(query.Children) > 0:
		prefixAdd := ""
		if query.Attr != "" {
			x.Check2(b.WriteString(" {\n"))
			prefixAdd = "  "
		}
		for _, c := range query.Children {
			writeQuery(b, c, prefix+prefixAdd)
		}
		if query.Attr != "" {
			x.Check2(b.WriteString(prefix))
			x.Check2(b.WriteString("}\n"))
		}
	case query.Var != "" || query.Alias != "" || query.Attr != "":
		x.Check2(b.WriteString("\n"))
	}
}