arangosh> db.names.ensureIndex({ type: "persistent", fields: [ "first" ] });
{
"deduplicate" : true,
"fields" : [
"first"
],
"id" : "names/110230",
"isNewlyCreated" : true,
"sparse" : false,
"type" : "persistent",
"unique" : false,
"code" : 201
}
arangosh> db.names.save({ "first" : "Tim" });
{
"_id" : "names/110233",
"_key" : "110233",
"_rev" : "_XWq569m--_"
}
arangosh> db.names.save({ "first" : "Tom" });
{
"_id" : "names/110237",
"_key" : "110237",
"_rev" : "_XWq569u--_"
}
arangosh> db.names.save({ "first" : "John" });
{
"_id" : "names/110240",
"_key" : "110240",
"_rev" : "_XWq569y--_"
}
arangosh> db.names.save({ "first" : "Tim" });
{
"_id" : "names/110243",
"_key" : "110243",
"_rev" : "_XWq5692--_"
}
arangosh> db.names.save({ "first" : "Tom" });
{
"_id" : "names/110246",
"_key" : "110246",
"_rev" : "_XWq5696--_"
}