Microsoft.EntityFrameworkCore.Query Namespace

Provides reflection objects for late-binding to asynchronous relational query operations.

An expression that represents creation of a collection in ShaperExpression for relational providers.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

An expression that represents creation of a collection in ShaperExpression.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Creates keys that uniquely identifies a query. This is used to store and lookup compiled versions of a query in a cache.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

The service lifetime is Scoped. This means that each DbContext instance will use its own instance of this service. The implementation may depend on other services registered with any lifetime. The implementation does not need to be thread-safe.

Service dependencies parameter class for CompiledQueryCacheKeyGenerator

This type is typically used by database providers (and other extensions). It is generally not used in application code.

The service lifetime is Singleton. This means a single instance is used by many DbContext instances. The implementation must be thread-safe. This service cannot depend on services registered as Scoped.

Service dependencies parameter class for EntityMaterializerSource

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Do not construct instances of this class directly from either provider or application code as the constructor signature may change as new dependencies are added. Instead, use this type in your constructor so that an instance will be created and injected automatically by the dependency injection container. To create an instance with some dependent services replaced, first resolve the object from the dependency injection container, then replace selected services using the 'With...' methods. Do not call the constructor at any point in this process.

The service lifetime is Singleton. This means a single instance is used by many DbContext instances. The implementation must be thread-safe. This service cannot depend on services registered as Scoped.

An expression that represents an entity in the projection of SelectExpression.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

The core visitor that processes a query to be executed.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Service dependencies parameter class for EntityQueryModelVisitor

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Do not construct instances of this class directly from either provider or application code as the constructor signature may change as new dependencies are added. Instead, use this type in your constructor so that an instance will be created and injected automatically by the dependency injection container. To create an instance with some dependent services replaced, first resolve the object from the dependency injection container, then replace selected services using the 'With...' methods. Do not call the constructor at any point in this process.

Creates instances of EntityQueryModelVisitor.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

An expression that represents an entity query root in query expression.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

An expression that represents creation of an entity instance in ShaperExpression.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

An expression that represents an enumerable or group translated from chain over a grouping element.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Represents a filter for evaluatable expressions.

The service lifetime is Singleton. This means a single instance is used by many DbContext instances. The implementation must be thread-safe. This service cannot depend on services registered as Scoped.

Service dependencies parameter class for EvaluatableExpressionFilter

This type is typically used by database providers (and other extensions). It is generally not used in application code.

A comparer which implements IEqualityComparer<T> for Expression.

Extension methods for Expression types.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

A class to create a printable string representation of expression.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

An expression that represents creation of a grouping element in ShaperExpression.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

An expression that represents include operation in ShaperExpression.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Represents a single query include operation.

An expression that represents an inline query root within the query (e.g. new[] { 1, 2, 3 }).

This type is typically used by database providers (and other extensions). It is generally not used in application code.

An expression representing an entity or a collection of entities mapped to a JSON column and the path to access it.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

A node containing an expression expressing how to obtain a constant value, which may get lifted out of an expression tree.

Service dependencies parameter class for LiftableConstantFactory

This type is typically used by database providers (and other extensions). It is generally not used in application code.

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.

This is an experimental API used by the Entity Framework Core feature and it is 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.

This is an experimental API used by the Entity Framework Core feature and it is 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.

An expression that represents materialization of a collection navigation in ShaperExpression.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

This is an experimental API used by the Entity Framework Core feature and it is 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.

Service which helps with various aspects of navigation expansion extensibility.

Service dependencies parameter class for NavigationExpansionExtensibilityHelper

This type is typically used by database providers (and other extensions). It is generally not used in application code.

An expression that contains a non-query expression. The result of a non-query expression is typically the number of rows affected.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Signals that custom LINQ operator parameter should not be parameterized during query compilation.

Expression representing null-conditional access. Logic in this file is based on https://github.com/bartdesmet/ExpressionFutures

An expression that represents a parameter query root within the query.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

A struct representing a component of JSON path used in JsonQueryExpression or JsonScalarExpression.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

An expression that gets values from QueryExpression to be used in ShaperExpression while creating results.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

A class representing a chain of CLR members to bind. Usually generated from successive Select calls in the query.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

A class that provides reflection metadata for translatable LINQ methods.

A class that translates queryable methods in a query.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Service dependencies parameter class for QueryableMethodTranslatingExpressionVisitor

This type is typically used by database providers (and other extensions). It is generally not used in application code.

The primary data structure representing the state/components used during query compilation.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Service dependencies parameter class for QueryCompilationContext

This type is typically used by database providers (and other extensions). It is generally not used in application code.

The principal data structure used by a compiled query during execution.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Service dependencies parameter class for QueryContext

This type is typically used by database providers (and other extensions). It is generally not used in application code.

A factory for QueryContext instances.

Provides reflection objects for late-binding to synchronous relational query operations.

An expression that represents a query root in query expression.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

A visitor which adds additional query root nodes during preprocessing.

A query SQL generator to get IRelationalCommand for given SelectExpression.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Service dependencies parameter class for QuerySqlGenerator

This type is typically used by database providers (and other extensions). It is generally not used in application code.

A class that post-processes the translated query. This class allows to process the generated server query expression and the associated shaper expression.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Service dependencies parameter class for QueryTranslationPostprocessor

This type is typically used by database providers (and other extensions). It is generally not used in application code.

A class that preprocesses the query before translation.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Service dependencies parameter class for QueryTranslationPreprocessor

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Provides translations for LINQ MethodCallExpression expressions which represents aggregate methods.

Service dependencies parameter class for RelationalAggregateMethodCallTranslatorProvider

This type is typically used by database providers (and other extensions). It is generally not used in application code.

An expression that represents creation of a collection for relational provider in ShaperExpression.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Creates keys that uniquely identifies a query. This is used to store and lookup compiled versions of a query in a cache.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

The service lifetime is Scoped. This means that each DbContext instance will use its own instance of this service. The implementation may depend on other services registered with any lifetime. The implementation does not need to be thread-safe.

Service dependencies parameter class for RelationalCompiledQueryCacheKeyGenerator

This type is typically used by database providers (and other extensions). It is generally not used in application code.

An expression that represents creation of an entity instance for a relational provider in ShaperExpression.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Represents a filter for evaluatable expressions.

The service lifetime is Singleton. This means a single instance is used by many DbContext instances. The implementation must be thread-safe. This service cannot depend on services registered as Scoped.

Service dependencies parameter class for RelationalEvaluatableExpressionFilter

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Utilities used for implementing IRelationalQuotableExpression.

An expression that represents creation of a grouping for relational provider in ShaperExpression.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

An expression that represents creation of a grouping element in ShaperExpression for relational providers.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Service dependencies parameter class for RelationalLiftableConstantFactory

This type is typically used by database providers (and other extensions). It is generally not used in application code.

This is an experimental API used by the Entity Framework Core feature and it is 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.

This is an experimental API used by the Entity Framework Core feature and it is 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.

This is an experimental API used by the Entity Framework Core feature and it is 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.

Provides translations for LINQ MemberExpression expressions by dispatching to multiple specialized member translators.

The service lifetime is Scoped. This means that each DbContext instance will use its own instance of this service. The implementation may depend on other services registered with any lifetime. The implementation does not need to be thread-safe.

Service dependencies parameter class for RelationalMemberTranslatorProvider

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Provides translations for LINQ MethodCallExpression expressions by dispatching to multiple specialized method call translators.

The service lifetime is Scoped. This means that each DbContext instance will use its own instance of this service. The implementation may depend on other services registered with any lifetime. The implementation does not need to be thread-safe.

Service dependencies parameter class for RelationalMethodCallTranslatorProvider

This type is typically used by database providers (and other extensions). It is generally not used in application code.

A class that processes the query expression after parameter values are known.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Service dependencies parameter class for Microsoft.EntityFrameworkCore.Query.Internal.RelationalParameterBasedSqlProcessorFactory

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Parameters for RelationalParameterBasedSqlProcessor.

A class that translates queryable methods in a query.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

This visitor has been obsoleted; Extend RelationalTypeMappingPostprocessor instead, and invoke it from ProcessTypeMappings(Expression).

Service dependencies parameter class for RelationalQueryableMethodTranslatingExpressionVisitor

This type is typically used by database providers (and other extensions). It is generally not used in application code.

The primary data structure representing the state/components used during relational query compilation.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Service dependencies parameter class for RelationalQueryCompilationContext

This type is typically used by database providers (and other extensions). It is generally not used in application code.

A relational factory for instances of QueryCompilationContext.

The principal data structure used by a compiled relational query during execution.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Service dependencies parameter class for RelationalQueryContext

This type is typically used by database providers (and other extensions). It is generally not used in application code.

This API supports the Entity Framework Core infrastructure and is not intended to be used directly from your code. This API may change or be removed in future releases.

The default relational Remotion.Linq.QueryModel visitor.

Service dependencies parameter class for RelationalQueryModelVisitorFactory

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Do not construct instances of this class directly from either provider or application code as the constructor signature may change as new dependencies are added. Instead, use this type in your constructor so that an instance will be created and injected automatically by the dependency injection container. To create an instance with some dependent services replaced, first resolve the object from the dependency injection container, then replace selected services using the 'With...' methods. Do not call the constructor at any point in this process.

A factory for instances of EntityQueryModelVisitor.

A visitor which adds additional query root nodes during preprocessing.

A class that post-processes the translated query. This class allows to process the generated server query expression and the associated shaper expression.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Service dependencies parameter class for RelationalQueryTranslationPostprocessor

This type is typically used by database providers (and other extensions). It is generally not used in application code.

A class that preprocesses the query before translation.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Service dependencies parameter class for RelationalQueryTranslationPreprocessor

This type is typically used by database providers (and other extensions). It is generally not used in application code.

A class that compiles the shaper expression for given shaped query expression.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

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.

Service dependencies parameter class for RelationalShapedQueryCompilingExpressionVisitor

This type is typically used by database providers (and other extensions). It is generally not used in application code.

An expression that represents creation of a collection during split query for relational provider in ShaperExpression.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

A class that translates expressions to corresponding SQL representation.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Service dependencies parameter class for RelationalSqlTranslatingExpressionVisitorFactory

This type is typically used by database providers (and other extensions). It is generally not used in application code.

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.

The service lifetime is Scoped. This means that each DbContext instance will use its own instance of this service. The implementation may depend on other services registered with any lifetime. The implementation does not need to be thread-safe.

An expression that represents creation of an entity instance for a relational provider in ShaperExpression.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

A visitor executed after translation, which verifies that all SqlExpression nodes have a type mapping, and applies type mappings inferred for queryable constants (VALUES) and parameters (e.g. OPENJSON) back on their root tables.

An expression visitor that replaces one expression with another in given expression tree.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

The default client-eval result operator handler.

Service dependencies parameter class for ResultOperatorHandler

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Do not construct instances of this class directly from either provider or application code as the constructor signature may change as new dependencies are added. Instead, use this type in your constructor so that an instance will be created and injected automatically by the dependency injection container. To create an instance with some dependent services replaced, first resolve the object from the dependency injection container, then replace selected services using the 'With...' methods. Do not call the constructor at any point in this process.

Supports specifying property and value to be set in ExecuteUpdate method with chaining multiple calls for updating multiple columns.

This type does not have any constructor or implementation since it is used inside LINQ query solely for the purpose of creating expression tree.

A class that compiles the shaper expression for given shaped query expression.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Service dependencies parameter class for ShapedQueryCompilingExpressionVisitor

This type is typically used by database providers (and other extensions). It is generally not used in application code.

An expression that combines a query expression and shaper expression.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

A stateful manager for SQL aliases, capable of generating uniquified table aliases and rewriting them in post-processing. An instance of SqlAliasManager is valid for a single query compilation, and is owned by RelationalQueryCompilationContext.

A factory creating managers for SQL aliases, capable of generate uniquified table aliases.

A factory for creating SqlExpression instances.

Service dependencies parameter class for SqlExpressionFactory

This type is typically used by database providers (and other extensions). It is generally not used in application code.

A class that visits a SQL expression tree.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

A class that processes a SQL tree based on nullability of nodes to apply null semantics in use and optimize it based on parameter values.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

A visitor that processes a SQL tree and prunes out parts which aren't needed.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

An expression that represents an entity in the projection of SelectExpression.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

An expression that represents creation of a structural type instance in ShaperExpression.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

A factory to create transparent identifier to create during query processing. Transparent identifier is struct of outer and inner elements which is generally created as a result of join methods as intermediate type to hold values from both sources.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Represents an asynchronous sequence produced by executing a compiled query.

A key that uniquely identifies a query. This is used to store and lookup compiled versions of a query in a cache.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Information required to create an instance of an entity based on a row of data returned from a query.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Parameter object for IEntityMaterializerSource.

A key that uniquely identifies a query. This is used to store and lookup compiled versions of a query in a cache.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

A SQL translator for LINQ MethodCallExpression expression representing an aggregate function.

This interface is typically used by database providers (and other extensions). It is generally not used in application code.

Represents plugin for IAggregateMethodCallTranslator.

Provides translations for LINQ MethodCallExpression expressions which represents aggregate methods.

Defines method to execute queries asynchronously that are described by an IQueryable object.

Creates keys that uniquely identifies a query. This is used to store and lookup compiled versions of a query in a cache.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

Defines a source for generating Expression trees that read values from a ValueBuffer or creates entity instances.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

A factory for creating EntityQueryModelVisitors.

Represents a filter for evaluatable expressions.

Represents a plugin evaluatable expression filter.

Supports queryable Include/ThenInclude chaining operators.

This is an experimental API used by the Entity Framework Core feature and it is 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.

This is an experimental API used by the Entity Framework Core feature and it is 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.

A SQL translator for LINQ MemberExpression expression.

This interface is typically used by database providers (and other extensions). It is generally not used in application code.

Represents plugin for IMemberTranslator.

Provides translations for LINQ MemberExpression expressions.

A SQL translator for LINQ MethodCallExpression expression.

This interface is typically used by database providers (and other extensions). It is generally not used in application code.

Represents plugin for IMethodCallTranslator.

Provides translations for LINQ MethodCallExpression expressions which represents scalar methods.

Service which helps with various aspects of navigation expansion extensibility.

Used to generate code for precompiled queries.

Selects an IPrecompiledQueryCodeGenerator service for a given programming language.

An interface that allows printing via ExpressionPrinter.

This interface is typically used by database providers (and other extensions). It is generally not used in application code.

A factory for creating QueryableMethodTranslatingExpressionVisitor instances.

A factory for creating QueryCompilationContext instances.

Factory for QueryContext instances.

Interface that can be implemented by a database provider's IEnumerable implementation to provide the query string for debugging purposes.

This interface is typically used by database providers (and other extensions). It is generally not used in application code.

Provides reflection objects for late-binding to relational query operations.

A factory for creating QuerySqlGenerator instances.

A factory for creating QueryTranslationPostprocessor instances.

A factory for creating QueryTranslationPreprocessor instances.

This is an experimental API used by the Entity Framework Core feature and it is 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.

A factory for creating RelationalParameterBasedSqlProcessor instances.

Implemented by database providers to generate the query string for ToQueryString(IQueryable).

This interface is typically used by database providers (and other extensions). It is generally not used in application code.

Represents an expression that is quotable, that is, capable of returning an expression that, when evaluated, would construct an expression identical to this one. Used to generate code for precompiled queries, which reconstructs this expression.

A relational-specific handler for Remotion.Linq.Clauses.ResultOperatorBase instances.

A factory for creating RelationalSqlTranslatingExpressionVisitor instances.

A handler for Remotion.Linq.Clauses.ResultOperatorBase instances.

A factory for creating ShapedQueryCompilingExpressionVisitor instances.

A factory creating managers for SQL aliases, capable of generate uniquified table aliases.

A factory for creating SqlExpression instances.

An enum that represents the cardinality of query result.

This enum is typically used by database providers (and other extensions). It is generally not used in application code.