arangosh> db.names.ensureIndex({ type: "persistent", fields: [ "first" ] });
{
"deduplicate" : true,
"fields" : [
"first"
],
"id" : "names/18038",
"isNewlyCreated" : true,
"sparse" : false,
"type" : "persistent",
"unique" : false,
"code" : 201
}
arangosh> db.names.save({ "first" : "Tim" });
{
"_id" : "names/18041",
"_key" : "18041",
"_rev" : "_WE2Vtgy--_"
}
arangosh> db.names.save({ "first" : "Tom" });
{
"_id" : "names/18045",
"_key" : "18045",
"_rev" : "_WE2Vtg2--_"
}
arangosh> db.names.save({ "first" : "John" });
{
"_id" : "names/18048",
"_key" : "18048",
"_rev" : "_WE2Vtg2--B"
}
arangosh> db.names.save({ "first" : "Tim" });
{
"_id" : "names/18051",
"_key" : "18051",
"_rev" : "_WE2Vtg6--_"
}
arangosh> db.names.save({ "first" : "Tom" });
{
"_id" : "names/18054",
"_key" : "18054",
"_rev" : "_WE2Vth---_"
}