QueryParameterExpression Class
Definition
Important
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Represents a parameter external to the query, which may have different values across different executions of the same query.
This is created by Microsoft.EntityFrameworkCore.Query.Internal.ExpressionTreeFuncletizer for closure captured variables, and in relational, is translated to
SqlParameterExpression
[System.Runtime.CompilerServices.Nullable(0)]
public class QueryParameterExpression : System.Linq.Expressions.Expression, Microsoft.EntityFrameworkCore.Query.IPrintableExpression[<System.Runtime.CompilerServices.Nullable(0)>]
type QueryParameterExpression = class
inherit Expression
interface IPrintableExpressionPublic Class QueryParameterExpression
Inherits Expression
Implements IPrintableExpression- Inheritance
-
QueryParameterExpression
- Attributes
- Implements
Constructors
| Name | Description |
|---|---|
| QueryParameterExpression(String, Type, Nullable<ParameterTranslationMode>, Boolean) |
Creates a new instance of the QueryParameterExpression class with associated query provider. |
| QueryParameterExpression(String, Type, ParameterTranslationMode) |
Creates a new instance of the QueryParameterExpression class with associated query provider. |
| QueryParameterExpression(String, Type) |
Creates a new instance of the QueryParameterExpression class with associated query provider. |
Properties
| Name | Description |
|---|---|
| IsNonNullableReferenceType |
Whether this query parameter's type is a non-nullable reference type. |
| Name |
The name of the query parameter. |
| NodeType | Gets the node type of this Expression. |
| TranslationMode |
How should the parameter be handled. |
| Type |
The static type of the expression that this Expression represents. |
Methods
| Name | Description |
|---|---|
| Equals(Object) | System.Linq.Expressions.Expression.Equals(System.Object) |
| GetHashCode() | System.Linq.Expressions.Expression.GetHashCode |
| Print(ExpressionPrinter) |
Creates a printable string representation of the given expression using ExpressionPrinter. |
| VisitChildren(ExpressionVisitor) | Reduces the node and then calls the visitor delegate on the reduced expression. The method throws an exception if the node is not reducible. |
