arangosh> db.names.ensureIndex({ type: "persistent", fields: [ "first" ] });
{
"deduplicate" : true,
"fields" : [
"first"
],
"id" : "names/16107",
"isNewlyCreated" : true,
"sparse" : false,
"type" : "persistent",
"unique" : false,
"code" : 201
}
arangosh> db.names.save({ "first" : "Tim" });
{
"_id" : "names/16110",
"_key" : "16110",
"_rev" : "_WpTBAXe--_"
}
arangosh> db.names.save({ "first" : "Tom" });
{
"_id" : "names/16114",
"_key" : "16114",
"_rev" : "_WpTBAXi--_"
}
arangosh> db.names.save({ "first" : "John" });
{
"_id" : "names/16117",
"_key" : "16117",
"_rev" : "_WpTBAXi--B"
}
arangosh> db.names.save({ "first" : "Tim" });
{
"_id" : "names/16120",
"_key" : "16120",
"_rev" : "_WpTBAXi--D"
}
arangosh> db.names.save({ "first" : "Tom" });
{
"_id" : "names/16123",
"_key" : "16123",
"_rev" : "_WpTBAXm--_"
}