RelationalEntityTypeBuilderExtensions.HasDiscriminator Method
Definition
Important
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Overloads
| HasDiscriminator(EntityTypeBuilder) |
Configures the discriminator column used to identify which entity type each row in a table represents when an inheritance hierarchy is mapped to a single table in a relational database. |
| HasDiscriminator(EntityTypeBuilder, String, Type) |
Configures the discriminator column used to identify which entity type each row in a table represents when an inheritance hierarchy is mapped to a single table in a relational database. |
| HasDiscriminator<TDiscriminator>(EntityTypeBuilder, String) |
Configures the discriminator column used to identify which entity type each row in a table represents when an inheritance hierarchy is mapped to a single table in a relational database. |
| HasDiscriminator<TEntity,TDiscriminator>(EntityTypeBuilder<TEntity>, Expression<Func<TEntity,TDiscriminator>>) |
Configures the discriminator column used to identify which entity type each row in a table represents when an inheritance hierarchy is mapped to a single table in a relational database. |
HasDiscriminator(EntityTypeBuilder)
Configures the discriminator column used to identify which entity type each row in a table represents when an inheritance hierarchy is mapped to a single table in a relational database.
public static Microsoft.EntityFrameworkCore.Metadata.Builders.DiscriminatorBuilder HasDiscriminator (this Microsoft.EntityFrameworkCore.Metadata.Builders.EntityTypeBuilder entityTypeBuilder);static member HasDiscriminator : Microsoft.EntityFrameworkCore.Metadata.Builders.EntityTypeBuilder -> Microsoft.EntityFrameworkCore.Metadata.Builders.DiscriminatorBuilder<Extension()>
Public Function HasDiscriminator (entityTypeBuilder As EntityTypeBuilder) As DiscriminatorBuilderParameters
- entityTypeBuilder
- EntityTypeBuilder
The builder for the entity type being configured.
Returns
A builder that allows the discriminator column to be configured.
Applies to
HasDiscriminator(EntityTypeBuilder, String, Type)
Configures the discriminator column used to identify which entity type each row in a table represents when an inheritance hierarchy is mapped to a single table in a relational database.
public static Microsoft.EntityFrameworkCore.Metadata.Builders.DiscriminatorBuilder HasDiscriminator (this Microsoft.EntityFrameworkCore.Metadata.Builders.EntityTypeBuilder entityTypeBuilder, string name, Type discriminatorType);static member HasDiscriminator : Microsoft.EntityFrameworkCore.Metadata.Builders.EntityTypeBuilder * string * Type -> Microsoft.EntityFrameworkCore.Metadata.Builders.DiscriminatorBuilder<Extension()>
Public Function HasDiscriminator (entityTypeBuilder As EntityTypeBuilder, name As String, discriminatorType As Type) As DiscriminatorBuilderParameters
- entityTypeBuilder
- EntityTypeBuilder
The builder for the entity type being configured.
- name
- String
The name of the discriminator column.
- discriminatorType
- Type
The type of values stored in the discriminator column.
Returns
A builder that allows the discriminator column to be configured.
Applies to
HasDiscriminator<TDiscriminator>(EntityTypeBuilder, String)
Configures the discriminator column used to identify which entity type each row in a table represents when an inheritance hierarchy is mapped to a single table in a relational database.
public static Microsoft.EntityFrameworkCore.Metadata.Builders.DiscriminatorBuilder<TDiscriminator> HasDiscriminator<TDiscriminator> (this Microsoft.EntityFrameworkCore.Metadata.Builders.EntityTypeBuilder entityTypeBuilder, string name);static member HasDiscriminator : Microsoft.EntityFrameworkCore.Metadata.Builders.EntityTypeBuilder * string -> Microsoft.EntityFrameworkCore.Metadata.Builders.DiscriminatorBuilder<'Discriminator><Extension()>
Public Function HasDiscriminator(Of TDiscriminator) (entityTypeBuilder As EntityTypeBuilder, name As String) As DiscriminatorBuilder(Of TDiscriminator)Type Parameters
- TDiscriminator
The type of values stored in the discriminator column.
Parameters
- entityTypeBuilder
- EntityTypeBuilder
The builder for the entity type being configured.
- name
- String
The name of the discriminator column.
Returns
A builder that allows the discriminator column to be configured.
Applies to
HasDiscriminator<TEntity,TDiscriminator>(EntityTypeBuilder<TEntity>, Expression<Func<TEntity,TDiscriminator>>)
Configures the discriminator column used to identify which entity type each row in a table represents when an inheritance hierarchy is mapped to a single table in a relational database.
public static Microsoft.EntityFrameworkCore.Metadata.Builders.DiscriminatorBuilder<TDiscriminator> HasDiscriminator<TEntity,TDiscriminator> (this Microsoft.EntityFrameworkCore.Metadata.Builders.EntityTypeBuilder<TEntity> entityTypeBuilder, System.Linq.Expressions.Expression<Func<TEntity,TDiscriminator>> propertyExpression) where TEntity : class;static member HasDiscriminator : Microsoft.EntityFrameworkCore.Metadata.Builders.EntityTypeBuilder<'Entity (requires 'Entity : null)> * System.Linq.Expressions.Expression<Func<'Entity, 'Discriminator>> -> Microsoft.EntityFrameworkCore.Metadata.Builders.DiscriminatorBuilder<'Discriminator> (requires 'Entity : null)<Extension()>
Public Function HasDiscriminator(Of TEntity As Class, TDiscriminator As Class) (entityTypeBuilder As EntityTypeBuilder(Of TEntity), propertyExpression As Expression(Of Func(Of TEntity, TDiscriminator))) As DiscriminatorBuilder(Of TDiscriminator)Type Parameters
- TEntity
The entity type being configured.
- TDiscriminator
The type of values stored in the discriminator column.
Parameters
- entityTypeBuilder
- EntityTypeBuilder<TEntity>
The builder for the entity type being configured.
- propertyExpression
- Expression<Func<TEntity,TDiscriminator>>
A lambda expression representing the property to be used as the discriminator (
blog => blog.Discriminator).
Returns
A builder that allows the discriminator column to be configured.
Applies to
Entity Framework
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