"id","parent_id","type","name","path","message"
"1","","node","root","/root",""
"2","1","node","software","/software",""
"3","1","node","my-life","/my-life",""
"4","2","message board","C","/root/software/C","C software message board."
"5","2","message board","C++","/root/software/C++","C++ software message board."
"6","2","message board","Java","/root/software/Java","Java software message board."
"7","3","message board","About Me","/root/my-life/About Me","About me message board."