arangosh> db.names.ensureIndex({ type: "persistent", fields: [ "first" ] });
{
"deduplicate" : true,
"fields" : [
"first"
],
"id" : "names/110159",
"isNewlyCreated" : true,
"sparse" : false,
"type" : "persistent",
"unique" : false,
"code" : 201
}
arangosh> db.names.save({ "first" : "Tim" });
{
"_id" : "names/110162",
"_key" : "110162",
"_rev" : "_XUJzKpq--_"
}
arangosh> db.names.save({ "first" : "Tom" });
{
"_id" : "names/110166",
"_key" : "110166",
"_rev" : "_XUJzKpu--_"
}
arangosh> db.names.save({ "first" : "John" });
{
"_id" : "names/110169",
"_key" : "110169",
"_rev" : "_XUJzKpu--B"
}
arangosh> db.names.save({ "first" : "Tim" });
{
"_id" : "names/110172",
"_key" : "110172",
"_rev" : "_XUJzKpy--_"
}
arangosh> db.names.save({ "first" : "Tom" });
{
"_id" : "names/110175",
"_key" : "110175",
"_rev" : "_XUJzKpy--B"
}