QueryCompilationContext Class
Definition
Important
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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.
public class QueryCompilationContexttype QueryCompilationContext = classPublic Class QueryCompilationContext- Inheritance
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QueryCompilationContext
- Derived
Remarks
See Implementation of database providers and extensions and How EF Core queries work for more information and examples.
Constructors
| QueryCompilationContext(IModel, ILogger, IEntityQueryModelVisitorFactory, IRequiresMaterializationExpressionVisitorFactory, ILinqOperatorProvider, Type, Boolean) |
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. |
| QueryCompilationContext(QueryCompilationContextDependencies, Boolean, Boolean, IReadOnlySet<String>) |
Creates a new instance of the QueryCompilationContext class. |
| QueryCompilationContext(QueryCompilationContextDependencies, Boolean) |
Creates a new instance of the QueryCompilationContext class. |
| QueryCompilationContext(QueryCompilationContextDependencies, ILinqOperatorProvider, Boolean) |
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. |
Fields
| NotTranslatedExpression |
Expression representing a not translated expression in query tree during translation phase. This property is typically used by database providers (and other extensions). It is generally not used in application code. |
| QueryContextParameter |
ParameterExpression representing QueryContext parameter in query expression. This property is typically used by database providers (and other extensions). It is generally not used in application code. |
| QueryParameterPrefix |
Prefix for all the query parameters generated during parameter extraction in query pipeline. This property is typically used by database providers (and other extensions). It is generally not used in application code. |
Properties
| ContextOptions |
The ContextOptions to use during query compilation. |
| ContextType |
The CLR type of derived DbContext to use during query compilation. |
| Dependencies |
Dependencies for this service. |
| IgnoreAutoIncludes |
A value indicating whether eager loaded navigations are ignored in this query. |
| IgnoreQueryFilters |
A value indicating whether query filters are ignored in this query. |
| IsAsync |
A value indicating whether it is async query. |
| IsAsyncQuery |
Get a value indicating whether query that is being processed is asynchronous. |
| IsBuffering |
A value indicating whether the underlying server query needs to pre-buffer all data. |
| IsIncludeQuery |
The query has at least one Include operation. |
| IsPrecompiling |
Indicates whether the query is being precompiled. |
| IsQueryBufferRequired |
Gets a value indicating whether this query requires a query buffer. |
| IsTracking |
Obsolete.
A value indicating whether it is tracking query. |
| IsTrackingQuery |
Gets a value indicating whether this is a tracking query. |
| LinqOperatorProvider |
Gets the LINQ operator provider. |
| Logger |
The query logger to use during query compilation. |
| Model |
The model to use during query compilation. |
| NonNullableReferenceTypeParameters |
Names of parameters which have non-nullable reference types. |
| ParametersToConstantize |
Names of parameters on which Constant<T>(T) was used. Such parameters are later transformed into constants. This property is typically used by database providers (and other extensions). It is generally not used in application code. |
| ParametersToNotConstantize |
Names of parameters on which Parameter<T>(T) was used. Such parameters are later not transformed into constants even when parameterized collection constantization is configured as the default. This property is typically used by database providers (and other extensions). It is generally not used in application code. |
| QueryAnnotations |
Gets the query annotations. |
| QuerySourceMapping |
Gets the query source mapping. |
| QueryTrackingBehavior |
A value indicating QueryTrackingBehavior of the query. |
| SupportsPrecompiledQuery |
A value indicating whether the provider supports precompiled query. Default value is |
| Tags |
The set of tags applied to this query. |
| TrackQueryResults |
Gets a value indicating the default configured tracking behavior. |
Methods
| AddAnnotations(IEnumerable<IQueryAnnotation>) |
Adds query annotations to the existing list. |
| AddOrUpdateMapping(IQuerySource, Expression) |
Adds or updates the expression mapped to a query source. |
| AddOrUpdateMapping(IQuerySource, IEntityType) |
Gets the entity type mapped to the given query source |
| AddQuerySourceRequiringMaterialization(IQuerySource) |
Add a query source to the set of query sources requiring materialization. |
| AddTag(String) |
Adds a tag to Tags. |
| AddTrackableInclude(IQuerySource, IReadOnlyList<INavigation>) |
Adds a trackable include. |
| CloneAnnotations(QuerySourceMapping, QueryModel) |
Creates cloned annotations targeting a new QueryModel. |
| CreateQueryExecutor<TResult>(Expression) |
Creates the query executor func which gives results for this query. |
| CreateQueryExecutorExpression<TResult>(Expression) |
Creates the query executor func which gives results for this query. |
| CreateQueryModelVisitor() |
Creates query model visitor. |
| CreateQueryModelVisitor(EntityQueryModelVisitor) |
Creates query model visitor. |
| DetermineQueryBufferRequirement(QueryModel) |
Determine if the query requires a query buffer. |
| FindEntityType(IQuerySource) |
Gets the entity type mapped to the given query source |
| FindQuerySourcesRequiringMaterialization(EntityQueryModelVisitor, QueryModel) |
Determines all query sources that require materialization. |
| GetTrackableIncludes(IQuerySource) |
Gets all trackable includes for a given query source. |
| QuerySourceRequiresMaterialization(IQuerySource) |
Determine whether or not a query source requires materialization. |
| RegisterCorrelatedSubqueryMetadata(MainFromClause, Boolean, INavigation, INavigation, IQuerySource) |
Registers a mapping between correlated collection query models and metadata needed to process them. |
| RegisterRuntimeParameter(String, LambdaExpression) |
Registers a runtime parameter that is being added at some point during the compilation phase. A lambda must be provided, which will extract the parameter's value from the QueryContext every time the query is executed. |
| TryGetCorrelatedSubqueryMetadata(MainFromClause, CorrelatedSubqueryMetadata) |
Looks up a mapping between correlated collection query models and metadata needed to process them. |
| UpdateMapping(QuerySourceMapping) |
Updates the query source mappings to the new query sources |
Applies to
Entity Framework