Details
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Bug
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Resolution: Fixed
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Unknown
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None
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None
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Fully Compatible
Description
The following repro using bool? throws a NotSupportedException. The same code using a bool instead works as expected.
using MongoDB.Bson;
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using MongoDB.Driver;
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using MongoDB.Driver.Linq;
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var settings = new MongoClientSettings { LinqProvider = LinqProvider.V3 };
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var client = new MongoClient(settings);
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var db = client.GetDatabase("test");
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var coll = db.GetCollection<C>("coll");
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var query = coll.AsQueryable().GroupBy(k => k.Id, (k, g) => new { Value = g.Count(x => x.NullableBool.HasValue && x.NullableBool.Value)});
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Console.WriteLine(query);
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record C(ObjectId Id, bool? NullableBool);
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Resulting exception:
System.NotSupportedException: Serializer for System.Nullable`1[System.Boolean] must implement IBsonDocumentSerializer to be used with LINQ.
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at MongoDB.Driver.Linq.Linq3Implementation.Misc.DocumentSerializerHelper.GetFieldInfo(IBsonSerializer serializer, String memberName) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Misc/DocumentSerializerHelper.cs:line 27
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at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToAggregationExpressionTranslators.MemberExpressionToAggregationExpressionTranslator.Translate(TranslationContext context, MemberExpression expression) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToAggregationExpressionTranslators/MemberExpressionToAggregationExpressionTranslator.cs:line 64
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at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToAggregationExpressionTranslators.ExpressionToAggregationExpressionTranslator.Translate(TranslationContext context, Expression expression) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToAggregationExpressionTranslators/ExpressionToAggregationExpressionTranslator.cs:line 67
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at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToAggregationExpressionTranslators.BinaryExpressionToAggregationExpressionTranslator.Translate(TranslationContext context, BinaryExpression expression) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToAggregationExpressionTranslators/BinaryExpressionToAggregationExpressionTranslator.cs:line 49
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at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToAggregationExpressionTranslators.ExpressionToAggregationExpressionTranslator.Translate(TranslationContext context, Expression expression) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToAggregationExpressionTranslators/ExpressionToAggregationExpressionTranslator.cs:line 54
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at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToAggregationExpressionTranslators.ExpressionToAggregationExpressionTranslator.TranslateLambdaBody(TranslationContext context, LambdaExpression lambdaExpression, IBsonSerializer parameterSerializer, Boolean asRoot) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToAggregationExpressionTranslators/ExpressionToAggregationExpressionTranslator.cs:line 115
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at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToAggregationExpressionTranslators.MethodTranslators.CountMethodToAggregationExpressionTranslator.Translate(TranslationContext context, MethodCallExpression expression) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToAggregationExpressionTranslators/MethodTranslators/CountMethodToAggregationExpressionTranslator.cs:line 69
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at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToAggregationExpressionTranslators.MethodCallExpressionToAggregationExpressionTranslator.Translate(TranslationContext context, MethodCallExpression expression) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToAggregationExpressionTranslators/MethodCallExpressionToAggregationExpressionTranslator.cs:line 82
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at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToAggregationExpressionTranslators.ExpressionToAggregationExpressionTranslator.Translate(TranslationContext context, Expression expression) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToAggregationExpressionTranslators/ExpressionToAggregationExpressionTranslator.cs:line 61
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at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToAggregationExpressionTranslators.NewExpressionToAggregationExpressionTranslator.Translate(TranslationContext context, NewExpression expression) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToAggregationExpressionTranslators/NewExpressionToAggregationExpressionTranslator.cs:line 51
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at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToAggregationExpressionTranslators.ExpressionToAggregationExpressionTranslator.Translate(TranslationContext context, Expression expression) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToAggregationExpressionTranslators/ExpressionToAggregationExpressionTranslator.cs:line 71
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at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToPipelineTranslators.GroupByMethodToPipelineTranslator.TranslateResultSelector(TranslationContext context, AstPipeline pipeline, ReadOnlyCollection`1 arguments, IBsonSerializer keySerializer, IBsonSerializer elementSerializer) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToPipelineTranslators/GroupByMethodToPipelineTranslator.cs:line 149
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at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToPipelineTranslators.GroupByMethodToPipelineTranslator.Translate(TranslationContext context, MethodCallExpression expression) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToPipelineTranslators/GroupByMethodToPipelineTranslator.cs:line 89
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at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToPipelineTranslators.ExpressionToPipelineTranslator.Translate(TranslationContext context, Expression expression) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToPipelineTranslators/ExpressionToPipelineTranslator.cs:line 40
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at MongoDB.Driver.Linq.Linq3Implementation.Translators.ExpressionToExecutableQueryTranslators.ExpressionToExecutableQueryTranslator.Translate[TDocument,TOutput](MongoQueryProvider`1 provider, Expression expression) in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/Translators/ExpressionToExecutableQueryTranslators/ExpressionToExecutableQueryTranslator.cs:line 34
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at MongoDB.Driver.Linq.Linq3Implementation.MongoQuery`2.ToString() in /Users/james/Dropbox/code/mongodb/mongo-csharp-driver/src/MongoDB.Driver/Linq/Linq3Implementation/MongoQuery.cs:line 108
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Attachments
Issue Links
- related to
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CSHARP-3293 Linq Where method is ignored inside Collection.AsQueryable().GroupBy() of MongoDB.Driver 2.11.2
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- Closed
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