arangosh> db.names.ensureIndex({ type: "persistent", fields: [ "first" ] });
{
"deduplicate" : true,
"fields" : [
"first"
],
"id" : "names/16242",
"isNewlyCreated" : true,
"sparse" : false,
"type" : "persistent",
"unique" : false,
"code" : 201
}
arangosh> db.names.save({ "first" : "Tim" });
{
"_id" : "names/16245",
"_key" : "16245",
"_rev" : "_XiAwV-6--_"
}
arangosh> db.names.save({ "first" : "Tom" });
{
"_id" : "names/16249",
"_key" : "16249",
"_rev" : "_XiAwV-6--B"
}
arangosh> db.names.save({ "first" : "John" });
{
"_id" : "names/16252",
"_key" : "16252",
"_rev" : "_XiAwV_---_"
}
arangosh> db.names.save({ "first" : "Tim" });
{
"_id" : "names/16255",
"_key" : "16255",
"_rev" : "_XiAwV_---B"
}
arangosh> db.names.save({ "first" : "Tom" });
{
"_id" : "names/16258",
"_key" : "16258",
"_rev" : "_XiAwV_---D"
}