arangosh> db.ids.ensureUniqueSkiplist("name.first", "name.last");
{
"id" : "ids/1118558663",
"type" : "skiplist",
"fields" : [
"name.first",
"name.last"
],
"unique" : true,
"sparse" : false,
"isNewlyCreated" : true,
"code" : 201
}
arangosh> db.ids.save({ "name" : { "first" : "hans", "last": "hansen" }});
{
"_id" : "ids/1118886343",
"_rev" : "1118886343",
"_key" : "1118886343"
}
arangosh> db.ids.save({ "name" : { "first" : "jens", "last": "jensen" }});
{
"_id" : "ids/1119082951",
"_rev" : "1119082951",
"_key" : "1119082951"
}
arangosh> db.ids.save({ "name" : { "first" : "hans", "last": "jensen" }});
{
"_id" : "ids/1119279559",
"_rev" : "1119279559",
"_key" : "1119279559"
}
[ArangoError 1210: cannot create document, unique constraint violated]