arangosh> db.names.ensureIndex({ type: "persistent", fields: [ "first" ] });
{
"deduplicate" : true,
"fields" : [
"first"
],
"id" : "names/18476",
"isNewlyCreated" : true,
"sparse" : false,
"type" : "persistent",
"unique" : false,
"code" : 201
}
arangosh> db.names.save({ "first" : "Tim" });
{
"_id" : "names/18479",
"_key" : "18479",
"_rev" : "_XGh_YVq--_"
}
arangosh> db.names.save({ "first" : "Tom" });
{
"_id" : "names/18483",
"_key" : "18483",
"_rev" : "_XGh_YVy--_"
}
arangosh> db.names.save({ "first" : "John" });
{
"_id" : "names/18486",
"_key" : "18486",
"_rev" : "_XGh_YV2--_"
}
arangosh> db.names.save({ "first" : "Tim" });
{
"_id" : "names/18489",
"_key" : "18489",
"_rev" : "_XGh_YW---_"
}
arangosh> db.names.save({ "first" : "Tom" });
{
"_id" : "names/18492",
"_key" : "18492",
"_rev" : "_XGh_YWC--_"
}