Function writeNode

core/database_join.go:670–711

writeNode writes a Node value to the buffer

(buf *bytes.Buffer, n *graph.Node)

// writeNode writes a Node value to the buffer
func writeNode(buf *bytes.Buffer, n *graph.Node) {
	if n == nil {
		buf.WriteString("null")
		return
	}

	switch n.Type {
	case graph.NodeStr:
		buf.WriteString("\"")
		buf.WriteString(strings.ReplaceAll(n.Val, "\"", "\\\""))
		buf.WriteString("\"")
	case graph.NodeNum, graph.NodeBool:
		buf.WriteString(n.Val)
	case graph.NodeVar:
		buf.WriteString("$")
		buf.WriteString(n.Val)
	case graph.NodeLabel:
		buf.WriteString(n.Val)
	case graph.NodeList:
		buf.WriteString("[")
		for i, child := range n.Children {
			if i > 0 {
				buf.WriteString(", ")
			}
			writeNode(buf, child)
		}
		buf.WriteString("]")
	case graph.NodeObj:
		buf.WriteString("{")
		for i, child := range n.Children {
			if i > 0 {
				buf.WriteString(", ")
			}
			buf.WriteString(child.Name)
			buf.WriteString(": ")
			writeNode(buf, child)
		}
		buf.WriteString("}")
	default:
		buf.WriteString(n.Val)
	}
}

// executeParallelRoots executes root-level queries to different databases in parallel
// and merges the results. This is called when a single GraphQL query references