arangosh> db.names.ensureIndex({ type: "persistent", fields: [ "first" ] });
{
"deduplicate" : true,
"fields" : [
"first"
],
"id" : "names/111652",
"isNewlyCreated" : true,
"sparse" : false,
"type" : "persistent",
"unique" : false,
"code" : 201
}
arangosh> db.names.save({ "first" : "Tim" });
{
"_id" : "names/111655",
"_key" : "111655",
"_rev" : "_YYClXVq--_"
}
arangosh> db.names.save({ "first" : "Tom" });
{
"_id" : "names/111659",
"_key" : "111659",
"_rev" : "_YYClXVq--B"
}
arangosh> db.names.save({ "first" : "John" });
{
"_id" : "names/111662",
"_key" : "111662",
"_rev" : "_YYClXVu--_"
}
arangosh> db.names.save({ "first" : "Tim" });
{
"_id" : "names/111665",
"_key" : "111665",
"_rev" : "_YYClXVy--_"
}
arangosh> db.names.save({ "first" : "Tom" });
{
"_id" : "names/111668",
"_key" : "111668",
"_rev" : "_YYClXVy--B"
}