public virtual async Task Inserting_dependent_without_principal_throws()
{
await using (var testDatabase = CreateTestStore())
{
using (var context = CreateContext())
{
context.Add(
new LicensedOperator
{
Name = "Jack Jackson",
LicenseType = "Class A CDC",
VehicleName = "Fuel transport"
});
Assert.Equal(
CosmosStrings.OrphanedNestedDocumentSensitive(
nameof(Operator), nameof(Vehicle), "{VehicleName: Fuel transport}"),
Assert.Throws <InvalidOperationException>(() => context.SaveChanges()).Message);
}
}
}
public async Task Add_update_delete_query_throws_if_no_container()
{
await using var testDatabase = CosmosTestStore.CreateInitialized(DatabaseName + "Empty");
var options = Fixture.CreateOptions(testDatabase);
var customer = new Customer {
Id = 42, Name = "Theon"
};
using (var context = new CustomerContext(options))
{
context.Add(customer);
Assert.StartsWith(CosmosStrings.CreateItemFailed("NotFound", "Message: {\"Errors\":[\"Resource Not Found\"]}")[..^ 1],
(await Assert.ThrowsAsync <InvalidOperationException>(() => context.SaveChangesAsync())).Message);
}
using (var context = new CustomerContext(options))
{
context.Add(customer).State = EntityState.Modified;
Assert.StartsWith(CosmosStrings.ReplaceItemFailed("NotFound", "Message: {\"Errors\":[\"Resource Not Found\"]}")[..^ 1],
(await Assert.ThrowsAsync <InvalidOperationException>(() => context.SaveChangesAsync())).Message);
}
using (var context = new CustomerContext(options))
{
context.Add(customer).State = EntityState.Deleted;
Assert.StartsWith(CosmosStrings.DeleteItemFailed("NotFound", "Message: {\"Errors\":[\"Resource Not Found\"]}")[..^ 1],
(await Assert.ThrowsAsync <InvalidOperationException>(() => context.SaveChangesAsync())).Message);
}
using (var context = new CustomerContext(options))
{
Assert.StartsWith(CosmosStrings.QueryFailed("NotFound", "Message: {\"Errors\":[\"Resource Not Found\"]}")[..^ 1],
(await Assert.ThrowsAsync <InvalidOperationException>(() => context.Set <Customer>().SingleAsync())).Message);
}
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public ObjectArrayProjectionExpression(
[NotNull] INavigation navigation,
[NotNull] Expression accessExpression,
[CanBeNull] EntityProjectionExpression innerProjection = null)
{
var targetType = navigation.TargetEntityType;
Type = typeof(IEnumerable <>).MakeGenericType(targetType.ClrType);
Name = targetType.GetContainingPropertyName();
if (Name == null)
{
throw new InvalidOperationException(
CosmosStrings.NavigationPropertyIsNotAnEmbeddedEntity(
navigation.DeclaringEntityType.DisplayName(), navigation.Name));
}
Navigation = navigation;
AccessExpression = accessExpression;
InnerProjection = innerProjection ?? new EntityProjectionExpression(
targetType,
new RootReferenceExpression(targetType, ""));
}
protected override Expression VisitEntityQueryable([NotNull] Type elementType)
{
var entityType = _model.FindEntityType(elementType);
if (!entityType.IsDocumentRoot())
{
throw new InvalidOperationException(
CosmosStrings.QueryRootNestedEntityType(entityType.DisplayName(), entityType.FindOwnership().PrincipalEntityType.DisplayName()));
}
return(new QueryShaperExpression(
QueryModelVisitor.QueryCompilationContext.IsAsyncQuery,
new DocumentQueryExpression(
QueryModelVisitor.QueryCompilationContext.IsAsyncQuery,
entityType.Cosmos().ContainerName,
new SelectExpression(entityType, _querySource)),
new EntityShaper(entityType,
trackingQuery: QueryModelVisitor.QueryCompilationContext.IsTrackingQuery &&
!entityType.IsQueryType,
useQueryBuffer: QueryModelVisitor.QueryCompilationContext.IsQueryBufferRequired &&
!entityType.IsQueryType,
_entityMaterializerSource)));
}
private IUpdateEntry GetRootDocument(InternalEntityEntry entry)
{
var stateManager = entry.StateManager;
var ownership = entry.EntityType.FindOwnership();
var principal = stateManager.FindPrincipal(entry, ownership);
if (principal == null)
{
if (_sensitiveLoggingEnabled)
{
throw new InvalidOperationException(
CosmosStrings.OrphanedNestedDocumentSensitive(
entry.EntityType.DisplayName(),
ownership.PrincipalEntityType.DisplayName(),
entry.BuildCurrentValuesString(entry.EntityType.FindPrimaryKey().Properties)));
}
throw new InvalidOperationException(
CosmosStrings.OrphanedNestedDocument(
entry.EntityType.DisplayName(),
ownership.PrincipalEntityType.DisplayName()));
}
return principal.EntityType.IsDocumentRoot() ? principal : GetRootDocument(principal);
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public virtual Expression BindProperty([NotNull] IProperty property, bool clientEval)
{
if (!EntityType.IsAssignableFrom(property.DeclaringEntityType) &&
!property.DeclaringEntityType.IsAssignableFrom(EntityType))
{
throw new InvalidOperationException(
CosmosStrings.UnableToBindMemberToEntityProjection("Property", property.Name, EntityType.DisplayName()));
}
if (!_propertyExpressionsMap.TryGetValue(property, out var expression))
{
expression = new KeyAccessExpression(property, AccessExpression);
_propertyExpressionsMap[property] = expression;
}
if (!clientEval &&
expression.Name.Length == 0)
{
// Non-persisted property can't be translated
return(null);
}
return((Expression)expression);
}
public string ToQueryString()
{
TryGetResourceId(out var resourceId);
TryGetPartitionId(out var partitionKey);
return(CosmosStrings.NoReadItemQueryString(resourceId, partitionKey));
}
private static Exception CreateUnableToDiscriminateException(IEntityType entityType) => new InvalidOperationException(CosmosStrings.UnableToDiscriminate(entityType.DisplayName()));
#pragma warning restore EF1001 // Internal EF Core API usage.
private Exception ThrowUpdateException(CosmosException exception, IUpdateEntry entry)
{
var documentSource = GetDocumentSource(entry.EntityType);
var id = documentSource.GetId(entry.SharedIdentityEntry ?? entry);
throw exception.StatusCode switch
{
HttpStatusCode.PreconditionFailed => new DbUpdateConcurrencyException(CosmosStrings.UpdateConflict(id), exception, new[] { entry }),
HttpStatusCode.Conflict => new DbUpdateException(CosmosStrings.UpdateConflict(id), exception, new[] { entry }),
_ => Rethrow(exception),
};
}
/// <summary>
/// Validates the compatibility of entity types sharing a given container.
/// </summary>
/// <param name="mappedTypes"> The mapped entity types. </param>
/// <param name="containerName"> The container name. </param>
/// <param name="logger"> The logger to use. </param>
protected virtual void ValidateSharedContainerCompatibility(
[NotNull] IReadOnlyList <IEntityType> mappedTypes,
[NotNull] string containerName,
[NotNull] IDiagnosticsLogger <DbLoggerCategory.Model.Validation> logger)
{
if (mappedTypes.Count == 1)
{
var entityType = mappedTypes[0];
var partitionKeyPropertyName = entityType.GetCosmosPartitionKeyPropertyName();
if (partitionKeyPropertyName != null)
{
var nextPartitionKeyProperty = entityType.FindProperty(partitionKeyPropertyName);
if (nextPartitionKeyProperty == null)
{
throw new InvalidOperationException(
CosmosStrings.PartitionKeyMissingProperty(entityType.DisplayName(), partitionKeyPropertyName));
}
}
return;
}
var discriminatorValues = new Dictionary <object, IEntityType>();
IProperty partitionKey = null;
IEntityType firstEntityType = null;
foreach (var entityType in mappedTypes)
{
var partitionKeyPropertyName = entityType.GetCosmosPartitionKeyPropertyName();
if (partitionKeyPropertyName != null)
{
var nextPartitionKeyProperty = entityType.FindProperty(partitionKeyPropertyName);
if (nextPartitionKeyProperty == null)
{
throw new InvalidOperationException(
CosmosStrings.PartitionKeyMissingProperty(entityType.DisplayName(), partitionKeyPropertyName));
}
if (partitionKey == null)
{
if (firstEntityType != null)
{
throw new InvalidOperationException(CosmosStrings.NoPartitionKey(firstEntityType.DisplayName(), containerName));
}
partitionKey = nextPartitionKeyProperty;
}
else if (partitionKey.GetCosmosPropertyName() != nextPartitionKeyProperty.GetCosmosPropertyName())
{
throw new InvalidOperationException(
CosmosStrings.PartitionKeyStoreNameMismatch(
partitionKey.Name, firstEntityType.DisplayName(), partitionKey.GetCosmosPropertyName(),
nextPartitionKeyProperty.Name, entityType.DisplayName(), nextPartitionKeyProperty.GetCosmosPropertyName()));
}
else if ((partitionKey.GetTypeMapping().Converter?.ProviderClrType ?? partitionKey.ClrType)
!= (nextPartitionKeyProperty.GetTypeMapping().Converter?.ProviderClrType ?? nextPartitionKeyProperty.ClrType))
{
throw new InvalidOperationException(
CosmosStrings.PartitionKeyStoreTypeMismatch(
partitionKey.Name,
firstEntityType.DisplayName(),
(partitionKey.GetTypeMapping().Converter?.ProviderClrType ?? partitionKey.ClrType).ShortDisplayName(),
nextPartitionKeyProperty.Name,
entityType.DisplayName(),
(nextPartitionKeyProperty.GetTypeMapping().Converter?.ProviderClrType ?? nextPartitionKeyProperty.ClrType)
.ShortDisplayName()));
}
}
else if (partitionKey != null)
{
throw new InvalidOperationException(CosmosStrings.NoPartitionKey(entityType.DisplayName(), containerName));
}
if (firstEntityType == null)
{
firstEntityType = entityType;
}
if (entityType.ClrType?.IsInstantiable() == true)
{
if (entityType.GetDiscriminatorProperty() == null)
{
throw new InvalidOperationException(
CosmosStrings.NoDiscriminatorProperty(entityType.DisplayName(), containerName));
}
var discriminatorValue = entityType.GetDiscriminatorValue();
if (discriminatorValue == null)
{
throw new InvalidOperationException(
CosmosStrings.NoDiscriminatorValue(entityType.DisplayName(), containerName));
}
if (discriminatorValues.TryGetValue(discriminatorValue, out var duplicateEntityType))
{
throw new InvalidOperationException(
CosmosStrings.DuplicateDiscriminatorValue(
entityType.DisplayName(), discriminatorValue, duplicateEntityType.DisplayName(), containerName));
}
discriminatorValues[discriminatorValue] = entityType;
}
}
}
private SqlExpression ApplyTypeMappingOnSqlBinary(
SqlBinaryExpression sqlBinaryExpression,
CoreTypeMapping typeMapping)
{
var left = sqlBinaryExpression.Left;
var right = sqlBinaryExpression.Right;
Type resultType;
CoreTypeMapping resultTypeMapping;
CoreTypeMapping inferredTypeMapping;
switch (sqlBinaryExpression.OperatorType)
{
case ExpressionType.Equal:
case ExpressionType.GreaterThan:
case ExpressionType.GreaterThanOrEqual:
case ExpressionType.LessThan:
case ExpressionType.LessThanOrEqual:
case ExpressionType.NotEqual:
{
inferredTypeMapping = ExpressionExtensions.InferTypeMapping(left, right)
// We avoid object here since the result does not get typeMapping from outside.
?? (left.Type != typeof(object)
? _typeMappingSource.FindMapping(left.Type)
: _typeMappingSource.FindMapping(right.Type));
resultType = typeof(bool);
resultTypeMapping = _boolTypeMapping;
}
break;
case ExpressionType.AndAlso:
case ExpressionType.OrElse:
{
inferredTypeMapping = _boolTypeMapping;
resultType = typeof(bool);
resultTypeMapping = _boolTypeMapping;
}
break;
case ExpressionType.Add:
case ExpressionType.Subtract:
case ExpressionType.Multiply:
case ExpressionType.Divide:
case ExpressionType.Modulo:
case ExpressionType.LeftShift:
case ExpressionType.RightShift:
case ExpressionType.And:
case ExpressionType.Or:
{
inferredTypeMapping = typeMapping ?? ExpressionExtensions.InferTypeMapping(left, right);
resultType = inferredTypeMapping?.ClrType ?? left.Type;
resultTypeMapping = inferredTypeMapping;
}
break;
default:
throw new InvalidOperationException(
CosmosStrings.UnsupportedOperatorForSqlExpression(
sqlBinaryExpression.OperatorType, typeof(SqlBinaryExpression).ShortDisplayName()));
}
return(new SqlBinaryExpression(
sqlBinaryExpression.OperatorType,
ApplyTypeMapping(left, inferredTypeMapping),
ApplyTypeMapping(right, inferredTypeMapping),
resultType,
resultTypeMapping));
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
protected virtual void ValidateSharedContainerCompatibility(
[NotNull] IReadOnlyList <IEntityType> mappedTypes,
[NotNull] string container,
[NotNull] IDiagnosticsLogger <DbLoggerCategory.Model.Validation> logger)
{
var discriminatorValues = new Dictionary <object, IEntityType>();
IProperty partitionKey = null;
IEntityType firstEntityType = null;
foreach (var entityType in mappedTypes)
{
Check.DebugAssert(entityType.IsDocumentRoot(), "Only document roots expected here.");
var partitionKeyPropertyName = entityType.GetPartitionKeyPropertyName();
if (partitionKeyPropertyName != null)
{
var nextPartitionKeyProperty = entityType.FindProperty(partitionKeyPropertyName);
if (partitionKey == null)
{
if (firstEntityType != null)
{
throw new InvalidOperationException(CosmosStrings.NoPartitionKey(firstEntityType.DisplayName(), container));
}
partitionKey = nextPartitionKeyProperty;
}
else if (partitionKey.GetJsonPropertyName() != nextPartitionKeyProperty.GetJsonPropertyName())
{
throw new InvalidOperationException(
CosmosStrings.PartitionKeyStoreNameMismatch(
partitionKey.Name, firstEntityType.DisplayName(), partitionKey.GetJsonPropertyName(),
nextPartitionKeyProperty.Name, entityType.DisplayName(), nextPartitionKeyProperty.GetJsonPropertyName()));
}
}
else if (partitionKey != null)
{
throw new InvalidOperationException(CosmosStrings.NoPartitionKey(entityType.DisplayName(), container));
}
if (mappedTypes.Count == 1)
{
break;
}
if (firstEntityType == null)
{
firstEntityType = entityType;
}
if (entityType.ClrType.IsInstantiable() &&
entityType.GetContainingPropertyName() == null)
{
if (entityType.GetDiscriminatorProperty() == null)
{
throw new InvalidOperationException(
CosmosStrings.NoDiscriminatorProperty(entityType.DisplayName(), container));
}
var discriminatorValue = entityType.GetDiscriminatorValue();
if (discriminatorValue == null)
{
throw new InvalidOperationException(
CosmosStrings.NoDiscriminatorValue(entityType.DisplayName(), container));
}
if (discriminatorValues.TryGetValue(discriminatorValue, out var duplicateEntityType))
{
throw new InvalidOperationException(
CosmosStrings.DuplicateDiscriminatorValue(
entityType.DisplayName(), discriminatorValue, duplicateEntityType.DisplayName(), container));
}
discriminatorValues[discriminatorValue] = entityType;
}
}
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
protected virtual void ValidateKeys(
[NotNull] IModel model,
[NotNull] IDiagnosticsLogger <DbLoggerCategory.Model.Validation> logger)
{
foreach (var entityType in model.GetEntityTypes())
{
var primaryKey = entityType.FindPrimaryKey();
if (primaryKey == null ||
!entityType.IsDocumentRoot())
{
continue;
}
var idProperty = entityType.GetProperties()
.FirstOrDefault(p => p.GetJsonPropertyName() == StoreKeyConvention.IdPropertyJsonName);
if (idProperty == null)
{
throw new InvalidOperationException(CosmosStrings.NoIdProperty(entityType.DisplayName()));
}
var idType = idProperty.GetTypeMapping().Converter?.ProviderClrType
?? idProperty.ClrType;
if (idType != typeof(string))
{
throw new InvalidOperationException(
CosmosStrings.IdNonStringStoreType(
idProperty.Name, entityType.DisplayName(), idType.ShortDisplayName()));
}
if (!idProperty.IsKey())
{
throw new InvalidOperationException(CosmosStrings.NoIdKey(entityType.DisplayName(), idProperty.Name));
}
var partitionKeyPropertyName = entityType.GetPartitionKeyPropertyName();
if (partitionKeyPropertyName != null)
{
var partitionKey = entityType.FindProperty(partitionKeyPropertyName);
if (partitionKey == null)
{
throw new InvalidOperationException(
CosmosStrings.PartitionKeyMissingProperty(entityType.DisplayName(), partitionKeyPropertyName));
}
var partitionKeyType = partitionKey.GetTypeMapping().Converter?.ProviderClrType
?? partitionKey.ClrType;
if (partitionKeyType != typeof(string))
{
throw new InvalidOperationException(
CosmosStrings.PartitionKeyNonStringStoreType(
partitionKeyPropertyName, entityType.DisplayName(), partitionKeyType.ShortDisplayName()));
}
if (!partitionKey.GetContainingKeys().Any(k => k.Properties.Contains(idProperty)))
{
throw new InvalidOperationException(
CosmosStrings.NoPartitionKeyKey(
entityType.DisplayName(), partitionKeyPropertyName, idProperty.Name));
}
}
}
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
protected virtual void ValidateSharedContainerCompatibility(
IReadOnlyList <IEntityType> mappedTypes,
string container,
IDiagnosticsLogger <DbLoggerCategory.Model.Validation> logger)
{
var discriminatorValues = new Dictionary <object, IEntityType>();
IProperty? partitionKey = null;
int? analyticalTTL = null;
int? defaultTTL = null;
ThroughputProperties?throughput = null;
IEntityType? firstEntityType = null;
foreach (var entityType in mappedTypes)
{
Check.DebugAssert(entityType.IsDocumentRoot(), "Only document roots expected here.");
var partitionKeyPropertyName = entityType.GetPartitionKeyPropertyName();
if (partitionKeyPropertyName != null)
{
var nextPartitionKeyProperty = entityType.FindProperty(partitionKeyPropertyName) !;
if (partitionKey == null)
{
if (firstEntityType != null)
{
throw new InvalidOperationException(CosmosStrings.NoPartitionKey(firstEntityType.DisplayName(), container));
}
partitionKey = nextPartitionKeyProperty;
}
else if (partitionKey.GetJsonPropertyName() != nextPartitionKeyProperty.GetJsonPropertyName())
{
throw new InvalidOperationException(
CosmosStrings.PartitionKeyStoreNameMismatch(
partitionKey.Name, firstEntityType !.DisplayName(), partitionKey.GetJsonPropertyName(),
nextPartitionKeyProperty.Name, entityType.DisplayName(), nextPartitionKeyProperty.GetJsonPropertyName()));
}
}
else if (partitionKey != null)
{
throw new InvalidOperationException(CosmosStrings.NoPartitionKey(entityType.DisplayName(), container));
}
if (mappedTypes.Count == 1)
{
break;
}
if (firstEntityType == null)
{
firstEntityType = entityType;
}
if (entityType.ClrType.IsInstantiable() &&
entityType.GetContainingPropertyName() == null)
{
if (entityType.FindDiscriminatorProperty() == null)
{
throw new InvalidOperationException(
CosmosStrings.NoDiscriminatorProperty(entityType.DisplayName(), container));
}
var discriminatorValue = entityType.GetDiscriminatorValue();
if (discriminatorValue == null)
{
throw new InvalidOperationException(
CosmosStrings.NoDiscriminatorValue(entityType.DisplayName(), container));
}
if (discriminatorValues.TryGetValue(discriminatorValue, out var duplicateEntityType))
{
throw new InvalidOperationException(
CosmosStrings.DuplicateDiscriminatorValue(
entityType.DisplayName(), discriminatorValue, duplicateEntityType.DisplayName(), container));
}
discriminatorValues[discriminatorValue] = entityType;
}
var currentAnalyticalTTL = entityType.GetAnalyticalStoreTimeToLive();
if (currentAnalyticalTTL != null)
{
if (analyticalTTL == null)
{
analyticalTTL = currentAnalyticalTTL;
}
else if (analyticalTTL != currentAnalyticalTTL)
{
var conflictingEntityType = mappedTypes.First(et => et.GetAnalyticalStoreTimeToLive() != null);
throw new InvalidOperationException(
CosmosStrings.AnalyticalTTLMismatch(
analyticalTTL, conflictingEntityType.DisplayName(), entityType.DisplayName(), currentAnalyticalTTL,
container));
}
}
var currentDefaultTTL = entityType.GetDefaultTimeToLive();
if (currentDefaultTTL != null)
{
if (defaultTTL == null)
{
defaultTTL = currentDefaultTTL;
}
else if (defaultTTL != currentDefaultTTL)
{
var conflictingEntityType = mappedTypes.First(et => et.GetDefaultTimeToLive() != null);
throw new InvalidOperationException(
CosmosStrings.DefaultTTLMismatch(
defaultTTL, conflictingEntityType.DisplayName(), entityType.DisplayName(), currentDefaultTTL, container));
}
}
var currentThroughput = entityType.GetThroughput();
if (currentThroughput != null)
{
if (throughput == null)
{
throughput = currentThroughput;
}
else if ((throughput.AutoscaleMaxThroughput ?? throughput.Throughput)
!= (currentThroughput.AutoscaleMaxThroughput ?? currentThroughput.Throughput))
{
var conflictingEntityType = mappedTypes.First(et => et.GetThroughput() != null);
throw new InvalidOperationException(
CosmosStrings.ThroughputMismatch(
throughput.AutoscaleMaxThroughput ?? throughput.Throughput, conflictingEntityType.DisplayName(),
entityType.DisplayName(), currentThroughput.AutoscaleMaxThroughput ?? currentThroughput.Throughput,
container));
}
else if ((throughput.AutoscaleMaxThroughput == null)
!= (currentThroughput.AutoscaleMaxThroughput == null))
{
var conflictingEntityType = mappedTypes.First(et => et.GetThroughput() != null);
var autoscaleType = throughput.AutoscaleMaxThroughput == null
? entityType
: conflictingEntityType;
var manualType = throughput.AutoscaleMaxThroughput != null
? entityType
: conflictingEntityType;
throw new InvalidOperationException(
CosmosStrings.ThroughputTypeMismatch(
manualType.DisplayName(), autoscaleType.DisplayName(), container));
}
}
}
}
protected override Expression VisitExtension(Expression extensionExpression)
{
Check.NotNull(extensionExpression, nameof(extensionExpression));
switch (extensionExpression)
{
case ProjectionBindingExpression projectionBindingExpression:
{
var projection = GetProjection(projectionBindingExpression);
return(CreateGetValueExpression(
_jObjectParameter,
projection.Alias,
projectionBindingExpression.Type, (projection.Expression as SqlExpression)?.TypeMapping));
}
case CollectionShaperExpression collectionShaperExpression:
{
ObjectArrayProjectionExpression objectArrayProjection;
switch (collectionShaperExpression.Projection)
{
case ProjectionBindingExpression projectionBindingExpression:
var projection = GetProjection(projectionBindingExpression);
objectArrayProjection = (ObjectArrayProjectionExpression)projection.Expression;
break;
case ObjectArrayProjectionExpression objectArrayProjectionExpression:
objectArrayProjection = objectArrayProjectionExpression;
break;
default:
throw new InvalidOperationException(CoreStrings.TranslationFailed(extensionExpression.Print()));
}
var jArray = _projectionBindings[objectArrayProjection];
var jObjectParameter = Expression.Parameter(typeof(JObject), jArray.Name + "Object");
var ordinalParameter = Expression.Parameter(typeof(int), jArray.Name + "Ordinal");
var accessExpression = objectArrayProjection.InnerProjection.AccessExpression;
_projectionBindings[accessExpression] = jObjectParameter;
_ownerMappings[accessExpression] =
(objectArrayProjection.Navigation.DeclaringEntityType, objectArrayProjection.AccessExpression);
_ordinalParameterBindings[accessExpression] = Expression.Add(
ordinalParameter, Expression.Constant(1, typeof(int)));
var innerShaper = (BlockExpression)Visit(collectionShaperExpression.InnerShaper);
innerShaper = AddIncludes(innerShaper);
var entities = Expression.Call(
EnumerableMethods.SelectWithOrdinal.MakeGenericMethod(typeof(JObject), innerShaper.Type),
Expression.Call(
EnumerableMethods.Cast.MakeGenericMethod(typeof(JObject)),
jArray),
Expression.Lambda(innerShaper, jObjectParameter, ordinalParameter));
var navigation = collectionShaperExpression.Navigation;
return(Expression.Call(
_populateCollectionMethodInfo.MakeGenericMethod(navigation.TargetEntityType.ClrType, navigation.ClrType),
Expression.Constant(navigation.GetCollectionAccessor()),
entities));
}
case IncludeExpression includeExpression:
{
if (!(includeExpression.Navigation is INavigation navigation) ||
navigation.IsOnDependent ||
navigation.ForeignKey.DeclaringEntityType.IsDocumentRoot())
{
throw new InvalidOperationException(
CosmosStrings.NonEmbeddedIncludeNotSupported(includeExpression.Navigation));
}
var isFirstInclude = _pendingIncludes.Count == 0;
_pendingIncludes.Add(includeExpression);
var jObjectBlock = Visit(includeExpression.EntityExpression) as BlockExpression;
if (!isFirstInclude)
{
return(jObjectBlock);
}
Check.DebugAssert(jObjectBlock != null, "The first include must end up on a valid shaper block");
// These are the expressions added by JObjectInjectingExpressionVisitor
var jObjectCondition = (ConditionalExpression)jObjectBlock.Expressions[^ 1];
private static ExpressionType VerifyOperator(ExpressionType operatorType)
=> _allowedOperators.Contains(operatorType)
? operatorType
: throw new InvalidOperationException(
CosmosStrings.UnsupportedOperatorForSqlExpression(
operatorType, typeof(SqlBinaryExpression).ShortDisplayName()));
public override void Properties_can_be_made_concurrency_tokens()
=> Assert.Equal(
CosmosStrings.NonETagConcurrencyToken(nameof(Quarks), "Charm"),
Assert.Throws <InvalidOperationException>(
() => base.Properties_can_be_made_concurrency_tokens()).Message);
public bool MoveNext()
{
if (_jsonReader == null)
{
if (_query == null)
{
_query = _cosmosClient.CreateQuery(_containerId, _cosmosSqlQuery);
}
if (!_query.HasMoreResults)
{
Current = default;
return(false);
}
_responseMessage = _query.ReadNextAsync().GetAwaiter().GetResult();
if (!_responseMessage.IsSuccessStatusCode)
{
throw new InvalidOperationException(CosmosStrings.QueryFailed(_responseMessage.StatusCode, _responseMessage.ErrorMessage));
}
_responseStream = _responseMessage.Content;
_reader = new StreamReader(_responseStream);
_jsonReader = new JsonTextReader(_reader);
while (_jsonReader.Read())
{
if (_jsonReader.TokenType == JsonToken.StartObject)
{
while (_jsonReader.Read())
{
if (_jsonReader.TokenType == JsonToken.StartArray)
{
goto ObjectFound;
}
}
}
}
ObjectFound :;
}
while (_jsonReader.Read())
{
if (_jsonReader.TokenType == JsonToken.StartObject)
{
Current = new JsonSerializer().Deserialize <JObject>(_jsonReader);
return(true);
}
}
_jsonReader.Close();
_jsonReader = null;
_reader.Dispose();
_reader = null;
_responseStream.Dispose();
_responseStream = null;
return(MoveNext());
}
