mirror of https://gitee.com/bigwinds/arangodb
11 lines
604 B
Plaintext
11 lines
604 B
Plaintext
arango> a1 = db.example.save({ a : 1 });
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{ "error" : false, "_id" : "example/19660691", "_key" : "19660691", "_rev" : "19660691" }
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arango> a2 = db._update(a1, { b : 2 });
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{ "error" : false, "_id" : "example/19660691", "_key" : "19660691", "_rev" : "19791763" }
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arango> a3 = db._update(a1, { c : 3 });
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JavaScript exception in file 'client/client.js' at 2364,13: [ArangoError 1200: precondition failed]
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! throw new ArangoError(requestResult);
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! ^
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arango> a4 = db.example.update(a1, { c : 3 }, true);
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{ "error" : false, "_id" : "example/19660691", "_key" : "19660691", "_rev" : "19857299" }
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