arangosh> db.example.insert({"a" : { "one" : 1, "two" : 2, "three" : 3 },
........> "b" : { }});
{
"_id" : "example/20774804",
"_key" : "20774804",
"_rev" : "_Y2g68b---A"
}
arangosh> db.example.update("example/20774803", {"a" : { "four" : 4 },
........> "b" : { "b1" : 1 }});
{
"_id" : "example/20774803",
"_key" : "20774803",
"_rev" : "_Y2g68b---C",
"_oldRev" : "_Y2g68b----"
}
arangosh> db.example.document("example/20774803");
{
"_key" : "20774803",
"_id" : "example/20774803",
"_rev" : "_Y2g68b---C",
"b" : {
"b1" : 1
},
"a" : {
"four" : 4
}
}
arangosh> db.example.update("example/20774803", { "a" : { "one" : null },
........> "b" : null },
........> false, false);
{
"_id" : "example/20774803",
"_key" : "20774803",
"_rev" : "_Y2g68bC--_",
"_oldRev" : "_Y2g68b---C"
}
arangosh> db.example.document("example/20774803");
{
"_key" : "20774803",
"_id" : "example/20774803",
"_rev" : "_Y2g68bC--_",
"a" : {
"four" : 4
}
}