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Type:
Bug
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Resolution: Done
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Priority:
Major - P3
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None
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Affects Version/s: None
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Component/s: Serialization
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None
Given the following example class:
public class Test { public Dictionary<TestEnum, double> TestField { get; set; } = new Dictionary<TestEnum, double>(); } public enum TestEnum { A, B }
If you register an EnumRepresentationConvention using the following code and try to insert an instance of the class
var pack = new ConventionPack { new EnumRepresentationConvention(BsonType.String) }; ConventionRegistry.Register("EnumStringConvention", pack, t => true); var client = new MongoClient("mongodb://localhost/"); var db = client.GetDatabase("test"); var col = db.GetCollection<Test>("test"); await col.InsertOneAsync(new Test { TestField = { { TestEnum.A, 25d } } });
The last line throws a BsonSerializationException with the message:
When using DictionaryRepresentation.Document key values must serialize as strings.
If I alter the code to include the following line anywhere before the Insert.
BsonSerializer.RegisterSerializer(new EnumSerializer<TestEnum>(BsonType.String));
The insert succeeds and the resulting doc in the database looks like this:
{
"_id" : ObjectId("5799282d945208a81ee8bfd2"),
"TestField" : {
"A" : 25
}
}
- is duplicated by
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- Closed
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