presto-main/src/main/java/io/prestosql/connector/system/NodeSystemTable.java/NodeSystemTable/addRows
class NodeSystemTable:    private void addRows(Builder table, Set<InternalNode> nodes, NodeState state)
    {
        for (InternalNode node : nodes) {
            table.addRow(node.getNodeIdentifier(), node.getInternalUri().toString(), getNodeVersion(node), isCoordinator(node), state.toString().toLowerCase(Locale.ENGLISH));
        }
    }