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MigrationsSqlGenerator.UniqueConstraint Metodo

  • Riferimento

Definizione

Spazio dei nomi:
Microsoft.EntityFrameworkCore.Migrations
Assembly:
Microsoft.EntityFrameworkCore.Relational.dll
Pacchetto:
Microsoft.EntityFrameworkCore.Relational v1.0.6
Pacchetto:
Microsoft.EntityFrameworkCore.Relational v1.1.6
Pacchetto:
Microsoft.EntityFrameworkCore.Relational v2.0.3
Pacchetto:
Microsoft.EntityFrameworkCore.Relational v2.1.11
Pacchetto:
Microsoft.EntityFrameworkCore.Relational v2.2.6
Pacchetto:
Microsoft.EntityFrameworkCore.Relational v3.0.0
Pacchetto:
Microsoft.EntityFrameworkCore.Relational v3.1.0
Pacchetto:
Microsoft.EntityFrameworkCore.Relational v5.0.0
Pacchetto:
Microsoft.EntityFrameworkCore.Relational v6.0.0
Pacchetto:
Microsoft.EntityFrameworkCore.Relational v7.0.0
Pacchetto:
Microsoft.EntityFrameworkCore.Relational v8.0.0

Genera un frammento SQL per un vincolo univoco di un AddUniqueConstraintOperationoggetto .

protected virtual void UniqueConstraint (Microsoft.EntityFrameworkCore.Migrations.Operations.AddUniqueConstraintOperation operation, Microsoft.EntityFrameworkCore.Metadata.IModel model, Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder builder);
protected virtual void UniqueConstraint (Microsoft.EntityFrameworkCore.Migrations.Operations.AddUniqueConstraintOperation operation, Microsoft.EntityFrameworkCore.Metadata.IModel? model, Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder builder);
abstract member UniqueConstraint : Microsoft.EntityFrameworkCore.Migrations.Operations.AddUniqueConstraintOperation * Microsoft.EntityFrameworkCore.Metadata.IModel * Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder -> unit
override this.UniqueConstraint : Microsoft.EntityFrameworkCore.Migrations.Operations.AddUniqueConstraintOperation * Microsoft.EntityFrameworkCore.Metadata.IModel * Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder -> unit
Protected Overridable Sub UniqueConstraint (operation As AddUniqueConstraintOperation, model As IModel, builder As MigrationCommandListBuilder)

Parametri

operation
AddUniqueConstraintOperation

Operazione.

model
IModel

Modello di destinazione che può essere null se le operazioni esistono senza un modello.

builder
MigrationCommandListBuilder

Generatore di comandi da usare per aggiungere il frammento SQL.

Si applica a