code: func nodesTableSchema() *memdb.TableSchema {
  	return &memdb.TableSchema{
  		Name: "nodes",
  		Indexes: map[string]*memdb.IndexSchema{
  			"id": &memdb.IndexSchema{
  				Name:         "id",
  				AllowMissing: false,
  				Unique:       true,
  				Indexer: &memdb.StringFieldIndex{
  					Field:     "Node",
  					Lowercase: true,
  				},
  			},
  			"uuid": &memdb.IndexSchema{
  				Name:         "uuid",
  				AllowMissing: true,
  				Unique:       true,
  				Indexer: &memdb.UUIDFieldIndex{
  					Field: "ID",
  				},
  			},
  			"meta": &memdb.IndexSchema{
  				Name:         "meta",
  				AllowMissing: true,
  				Unique:       false,
  				Indexer: &memdb.StringMapFieldIndex{
  					Field:     "Meta",
  					Lowercase: false,
  				},
  			},
  		},
  	}
  }
docs: // nodesTableSchema returns a new table schema used for storing node
  // information.