SqlServerMigrationsSqlGenerator.IndexTraits 方法

定义

命名空间:

Microsoft.EntityFrameworkCore.Migrations

程序集:

Microsoft.EntityFrameworkCore.SqlServer.dll

包:

Microsoft.EntityFrameworkCore.SqlServer v8.0.0

从 CreateIndexOperation、 AddPrimaryKeyOperation或 AddUniqueConstraintOperation为索引的特征生成 SQL 片段。

protected override void IndexTraits (Microsoft.EntityFrameworkCore.Migrations.Operations.MigrationOperation operation, Microsoft.EntityFrameworkCore.Metadata.IModel? model, Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder builder);

override this.IndexTraits : Microsoft.EntityFrameworkCore.Migrations.Operations.MigrationOperation * Microsoft.EntityFrameworkCore.Metadata.IModel * Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder -> unit

Protected Overrides Sub IndexTraits (operation As MigrationOperation, model As IModel, builder As MigrationCommandListBuilder)

参数

operation

MigrationOperation

操作。

model

IModel

如果不存在模型的操作，则 null 为 的目标模型。

builder

MigrationCommandListBuilder

用于添加 SQL 片段的命令生成器。