arangosh> db.names.ensureIndex({ type: "persistent", fields: [ "first" ] });
{
"deduplicate" : true,
"fields" : [
"first"
],
"id" : "names/111361",
"isNewlyCreated" : true,
"sparse" : false,
"type" : "persistent",
"unique" : false,
"code" : 201
}
arangosh> db.names.save({ "first" : "Tim" });
{
"_id" : "names/111364",
"_key" : "111364",
"_rev" : "_XoI69k6--_"
}
arangosh> db.names.save({ "first" : "Tom" });
{
"_id" : "names/111368",
"_key" : "111368",
"_rev" : "_XoI69l---_"
}
arangosh> db.names.save({ "first" : "John" });
{
"_id" : "names/111371",
"_key" : "111371",
"_rev" : "_XoI69l---B"
}
arangosh> db.names.save({ "first" : "Tim" });
{
"_id" : "names/111374",
"_key" : "111374",
"_rev" : "_XoI69lC--_"
}
arangosh> db.names.save({ "first" : "Tom" });
{
"_id" : "names/111377",
"_key" : "111377",
"_rev" : "_XoI69lG--_"
}