ISqlExpressionFactory.Constant Method
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| Constant(Object, RelationalTypeMapping) |
Creates a new SqlExpression which represents a constant in a SQL tree. |
| Constant(Object, Type, RelationalTypeMapping) |
Creates a new SqlExpression which represents a constant in a SQL tree. |
- Source:
- ISqlExpressionFactory.cs
- Source:
- ISqlExpressionFactory.cs
- Source:
- ISqlExpressionFactory.cs
Creates a new SqlExpression which represents a constant in a SQL tree.
public Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlConstantExpression Constant (object value, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping = default);public Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlConstantExpression Constant (object? value, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping? typeMapping = default);public Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression Constant (object value, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping? typeMapping = default);abstract member Constant : obj * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlConstantExpressionabstract member Constant : obj * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpressionPublic Function Constant (value As Object, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlConstantExpressionPublic Function Constant (value As Object, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlExpressionParameters
- value
- Object
A value.
- typeMapping
- RelationalTypeMapping
The RelationalTypeMapping associated with the expression.
Returns
An expression representing a constant in a SQL tree.
Applies to
Entity Framework Core 9.0 and other versions
| Product | Versions |
|---|---|
| Entity Framework Core | 3.0, 3.1, 5.0, 6.0, 7.0, 8.0, 9.0 |
- Source:
- ISqlExpressionFactory.cs
- Source:
- ISqlExpressionFactory.cs
- Source:
- ISqlExpressionFactory.cs
Creates a new SqlExpression which represents a constant in a SQL tree.
public Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlConstantExpression Constant (object? value, Type type, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping? typeMapping = default);public Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression Constant (object? value, Type type, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping? typeMapping = default);abstract member Constant : obj * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlConstantExpressionabstract member Constant : obj * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpressionPublic Function Constant (value As Object, type As Type, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlConstantExpressionPublic Function Constant (value As Object, type As Type, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlExpressionParameters
- value
- Object
A value.
- type
- Type
The type for the constant. Useful when value is null.
- typeMapping
- RelationalTypeMapping
The RelationalTypeMapping associated with the expression.
Returns
An expression representing a constant in a SQL tree.
Applies to
Entity Framework Core 9.0 and other versions
| Product | Versions |
|---|---|
| Entity Framework Core | 7.0, 8.0, 9.0 |
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