arangosh> db.names.ensureIndex({ type: "persistent", fields: [ "first" ] });
{
"deduplicate" : true,
"fields" : [
"first"
],
"id" : "names/16052",
"isNewlyCreated" : true,
"sparse" : false,
"type" : "persistent",
"unique" : false,
"code" : 201
}
arangosh> db.names.save({ "first" : "Tim" });
{
"_id" : "names/16055",
"_key" : "16055",
"_rev" : "_WjL9Axa--_"
}
arangosh> db.names.save({ "first" : "Tom" });
{
"_id" : "names/16059",
"_key" : "16059",
"_rev" : "_WjL9Axa--B"
}
arangosh> db.names.save({ "first" : "John" });
{
"_id" : "names/16062",
"_key" : "16062",
"_rev" : "_WjL9Axa--D"
}
arangosh> db.names.save({ "first" : "Tim" });
{
"_id" : "names/16065",
"_key" : "16065",
"_rev" : "_WjL9Axe--_"
}
arangosh> db.names.save({ "first" : "Tom" });
{
"_id" : "names/16068",
"_key" : "16068",
"_rev" : "_WjL9Axe--B"
}