Function AsString

graphql/dgraph/graphquery.go:19–48

AsString writes query as an indented dql query string. AsString doesn't validate query, and so doesn't return an error if query is 'malformed' - it might just write something that wouldn't parse as a Dgraph query.

(queries []*dql.GraphQuery)

// validate query, and so doesn't return an error if query is 'malformed' - it might
// just write something that wouldn't parse as a Dgraph query.
func AsString(queries []*dql.GraphQuery) string {
	if len(queries) == 0 {
		return ""
	}

	var b strings.Builder
	queryName := queries[len(queries)-1].Attr
	x.Check2(b.WriteString("query "))
	addQueryVars(&b, queryName, queries[0].Args)
	x.Check2(b.WriteString("{\n"))

	numRewrittenQueries := 0
	for _, q := range queries {
		if q == nil {
			// Don't call writeQuery on a nil query
			continue
		}
		writeQuery(&b, q, "  ")
		numRewrittenQueries++
	}
	x.Check2(b.WriteString("}"))

	if numRewrittenQueries == 0 {
		// In case writeQuery has not been called on any query or all queries
		// are nil. Then, return empty string. This case needs to be considered as
		// we don't want to return query{} in this case.
		return ""
	}
	return b.String()
}

func addQueryVars(b *strings.Builder, queryName string, args map[string]string) {
	dollarFound := false