mirror of https://gitee.com/bigwinds/arangodb
19 lines
712 B
Plaintext
19 lines
712 B
Plaintext
avocado> db.four.ensureUniqueConstraint("a", "b.c");
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{ "id" : "164405/1147445", "unique" : true, "type" : "hash", "fields" : ["a", "b.c"], "isNewlyCreated" : true }
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avocado> db.four.save({ a : 1, b : { c : 1 } });
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{ "_id" : "164405/1868341", "_rev" : 1868341 }
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avocado> db.four.save({ a : 1, b : { c : 1 } });
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JavaScript exception in file '(avocado)' at 1,9: [AvocadoError 1210: cannot save document]
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!db.four.save({ a : 1, b : { c : 1 } });
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! ^
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stacktrace: [AvocadoError 1210: cannot save document]
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at (avocado):1:9
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avocado> db.four.save({ a : 1, b : { c : null } });
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{ "_id" : "164405/2196021", "_rev" : 2196021 }
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avocado> db.four.save({ a : 1 });
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{ "_id" : "164405/2196023", "_rev" : 2196023 }
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