arangosh> db.names.ensureIndex({ type: "persistent", fields: [ "first" ] });
{
"deduplicate" : true,
"fields" : [
"first"
],
"id" : "names/15380",
"isNewlyCreated" : true,
"sparse" : false,
"type" : "persistent",
"unique" : false,
"code" : 201
}
arangosh> db.names.save({ "first" : "Tim" });
{
"_id" : "names/15383",
"_key" : "15383",
"_rev" : "_VOyxoAC---"
}
arangosh> db.names.save({ "first" : "Tom" });
{
"_id" : "names/15387",
"_key" : "15387",
"_rev" : "_VOyxoAK---"
}
arangosh> db.names.save({ "first" : "John" });
{
"_id" : "names/15390",
"_key" : "15390",
"_rev" : "_VOyxoAK--_"
}
arangosh> db.names.save({ "first" : "Tim" });
{
"_id" : "names/15393",
"_key" : "15393",
"_rev" : "_VOyxoAO---"
}
arangosh> db.names.save({ "first" : "Tom" });
{
"_id" : "names/15396",
"_key" : "15396",
"_rev" : "_VOyxoAO--_"
}