mirror of https://gitee.com/bigwinds/arangodb
15 lines
878 B
Plaintext
15 lines
878 B
Plaintext
arangosh> a1 = db.example.insert({ a : <span class="hljs-number">1</span> });
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{
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<span class="hljs-string">"_id"</span> : <span class="hljs-string">"example/316165704"</span>,
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<span class="hljs-string">"_rev"</span> : <span class="hljs-string">"316165704"</span>,
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<span class="hljs-string">"_key"</span> : <span class="hljs-string">"316165704"</span>
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}
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arangosh> a2 = db._update(a1, { b : <span class="hljs-number">2</span> });
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{
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<span class="hljs-string">"_id"</span> : <span class="hljs-string">"example/316165704"</span>,
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<span class="hljs-string">"_rev"</span> : <span class="hljs-string">"316493384"</span>,
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<span class="hljs-string">"_key"</span> : <span class="hljs-string">"316165704"</span>
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}
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arangosh> a3 = db._update(a1, { c : <span class="hljs-number">3</span> });
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[ArangoError <span class="hljs-number">1200</span>: precondition failed]
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