The first output is missing “Cars” and your first delete didn’t happen. You need to “restore” the database to its original state…
jchiu@jchiudesktop:~/dgraph$ curl localhost:8080/query -XPOST -d '{
> debug(_uid_: 0xc1cee22c7ab32e68 ) {
> type.object.name.en
> }
> }
> }' | python -m json.tool
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 253 100 176 100 77 90395 39548 --:--:-- --:--:-- --:--:-- 171k
{
"debug": {
"_uid_": "0xc1cee22c7ab32e68",
"type.object.name.en": "Cars"
},
"server_latency": {
"json": "37.827\u00b5s",
"parsing": "37.729\u00b5s",
"processing": "246.729\u00b5s",
"total": "323.682\u00b5s"
}
}
jchiu@jchiudesktop:~/dgraph$
jchiu@jchiudesktop:~/dgraph$ curl localhost:8080/query -XPOST -d 'mutation {
> delete {
> _uid_:0xc1cee22c7ab32e68 <type.object.name.en> "Cars" .
> }
> }' | python -m json.tool
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 123 100 35 100 88 5634 14166 --:--:-- --:--:-- --:--:-- 17600
{
"code": "ErrorOk",
"message": "Done"
}
jchiu@jchiudesktop:~/dgraph$
jchiu@jchiudesktop:~/dgraph$ curl localhost:8080/query -XPOST -d '{
> debug(_uid_: 0xc1cee22c7ab32e68 ) {
> type.object.name.en
> }
> }
> }' | python -m json.tool
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 222 100 145 100 77 121k 66037 --:--:-- --:--:-- --:--:-- 141k
{
"debug": {
"_uid_": "0xc1cee22c7ab32e68"
},
"server_latency": {
"json": "18.477\u00b5s",
"parsing": "48.25\u00b5s",
"processing": "45.528\u00b5s",
"total": "114.021\u00b5s"
}
}
jchiu@jchiudesktop:~/dgraph$
jchiu@jchiudesktop:~/dgraph$ curl localhost:8080/query -XPOST -d 'mutation {
> set {
> _uid_:0xc1cee22c7ab32e68 <type.object.name.en> "newcar3" .
> }
> }' | python -m json.tool
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 123 100 35 100 88 5791 14562 --:--:-- --:--:-- --:--:-- 17600
{
"code": "ErrorOk",
"message": "Done"
}
jchiu@jchiudesktop:~/dgraph$
jchiu@jchiudesktop:~/dgraph$ curl localhost:8080/query -XPOST -d '{
> debug(_uid_: 0xc1cee22c7ab32e68 ) {
> type.object.name.en
> }
> }
> }' | python -m json.tool
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 253 100 176 100 77 136k 61354 --:--:-- --:--:-- --:--:-- 171k
{
"debug": {
"_uid_": "0xc1cee22c7ab32e68",
"type.object.name.en": "newcar3"
},
"server_latency": {
"json": "23.212\u00b5s",
"parsing": "44.5\u00b5s",
"processing": "52.675\u00b5s",
"total": "121.919\u00b5s"
}
}
jchiu@jchiudesktop:~/dgraph$
jchiu@jchiudesktop:~/dgraph$ curl localhost:8080/query -XPOST -d 'mutation {
> delete {
> _uid_:0xc1cee22c7ab32e68 <type.object.name.en> "newcar3" .
> }
> }' | python -m json.tool
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 126 100 35 100 91 5865 15250 --:--:-- --:--:-- --:--:-- 18200
{
"code": "ErrorOk",
"message": "Done"
}
jchiu@jchiudesktop:~/dgraph$
jchiu@jchiudesktop:~/dgraph$ curl localhost:8080/query -XPOST -d '{
> debug(_uid_: 0xc1cee22c7ab32e68 ) {
> type.object.name.en
> }
> }
> }' | python -m json.tool
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 257 100 180 100 77 39911 17073 --:--:-- --:--:-- --:--:-- 175k
{
"debug": {
"_uid_": "0xc1cee22c7ab32e68",
"type.object.name.en": "newcar3"
},
"server_latency": {
"json": "68.198\u00b5s",
"parsing": "105.212\u00b5s",
"processing": "154.177\u00b5s",
"total": "331.647\u00b5s"
}
}