SqlConstantExpression Class
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
An expression that represents a constant in a SQL tree.
This type is typically used by database providers (and other extensions). It is generally not used in application code.
public class SqlConstantExpression : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpressiontype SqlConstantExpression = class
inherit SqlExpressionPublic Class SqlConstantExpression
Inherits SqlExpression- Inheritance
Constructors
| SqlConstantExpression(ConstantExpression, RelationalTypeMapping) |
Obsolete.
Creates a new instance of the SqlConstantExpression class. |
| SqlConstantExpression(Object, RelationalTypeMapping) |
Creates a new instance of the SqlConstantExpression class. |
| SqlConstantExpression(Object, Type, RelationalTypeMapping) |
Creates a new instance of the SqlConstantExpression class. |
Properties
| NodeType | (Inherited from SqlExpression) |
| Type | (Inherited from SqlExpression) |
| TypeMapping |
The RelationalTypeMapping associated with this expression. (Inherited from SqlExpression) |
| Value |
The constant value. |
Methods
| ApplyTypeMapping(RelationalTypeMapping) |
Applies supplied type mapping to this expression. |
| 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. |
| Quote() | System.Linq.Expressions.Expression.Quote |
| Quote() |
Quotes the expression; that is, returns an expression that, when evaluated, would construct an expression identical to this one. Used to generate code for precompiled queries, which reconstructs this expression. (Inherited from SqlExpression) |
| 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. |
Explicit Interface Implementations
| IPrintableExpression.Print(ExpressionPrinter) |
Creates a printable string representation of the given expression using ExpressionPrinter. (Inherited from SqlExpression) |
