Function writeFieldsRecursive

core/database_join.go:617–667

writeFieldsRecursive writes fields that match the keepFieldIDs set

(buf *bytes.Buffer, fields []graph.Field, parentID int32, keepFieldIDs map[int32]bool)

// writeFieldsRecursive writes fields that match the keepFieldIDs set
func writeFieldsRecursive(buf *bytes.Buffer, fields []graph.Field, parentID int32, keepFieldIDs map[int32]bool) {
	first := true
	for _, f := range fields {
		if f.ParentID != parentID || !keepFieldIDs[f.ID] {
			continue
		}

		if !first {
			buf.WriteString(" ")
		}
		first = false

		// Write alias if present
		if f.Alias != "" {
			buf.WriteString(f.Alias)
			buf.WriteString(": ")
		}

		// Write field name
		buf.WriteString(f.Name)

		// Write arguments if present
		if len(f.Args) > 0 {
			buf.WriteString("(")
			for i, arg := range f.Args {
				if i > 0 {
					buf.WriteString(", ")
				}
				buf.WriteString(arg.Name)
				buf.WriteString(": ")
				writeNode(buf, arg.Val)
			}
			buf.WriteString(")")
		}

		// Check if this field has children
		hasChildren := false
		for _, child := range fields {
			if child.ParentID == f.ID && keepFieldIDs[child.ID] {
				hasChildren = true
				break
			}
		}

		if hasChildren {
			buf.WriteString(" { ")
			writeFieldsRecursive(buf, fields, f.ID, keepFieldIDs)
			buf.WriteString(" }")
		}
	}
}

// writeNode writes a Node value to the buffer
func writeNode(buf *bytes.Buffer, n *graph.Node) {