arangosh> a1 = db.example.insert({ a : 1 });
{
"_id" : "example/15969",
"_key" : "15969",
"_rev" : "_XG3zI-W--_"
}
arangosh> a2 = db._replace(a1, { a : 2 });
{
"_id" : "example/15969",
"_key" : "15969",
"_rev" : "_XG3zI-W--B",
"_oldRev" : "_XG3zI-W--_"
}
arangosh> db._remove(a1);
[ArangoError 1200: precondition failed]
arangosh> db._remove(a1, {overwrite: true} );
{
"_id" : "example/15969",
"_key" : "15969",
"_rev" : "_XG3zI-W--B"
}
arangosh> db._document(a1);
[ArangoError 1202: document not found]