MigrationsSqlGenerator.CheckConstraint 方法

定义

命名空间:

Microsoft.EntityFrameworkCore.Migrations

程序集:

Microsoft.EntityFrameworkCore.Relational.dll

程序包:

Microsoft.EntityFrameworkCore.Relational v10.0.0

重载

名称	说明
CheckConstraint(AddCheckConstraintOperation, IModel, MigrationCommandListBuilder)	为检查约束 AddCheckConstraintOperation生成 SQL 片段。

CheckConstraint(AddCheckConstraintOperation, IModel, MigrationCommandListBuilder)

Source:

MigrationsSqlGenerator.cs

为检查约束 AddCheckConstraintOperation生成 SQL 片段。

protected virtual void CheckConstraint(Microsoft.EntityFrameworkCore.Migrations.Operations.AddCheckConstraintOperation operation, Microsoft.EntityFrameworkCore.Metadata.IModel? model, Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder builder);

abstract member CheckConstraint : Microsoft.EntityFrameworkCore.Migrations.Operations.AddCheckConstraintOperation * Microsoft.EntityFrameworkCore.Metadata.IModel * Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder -> unit
override this.CheckConstraint : Microsoft.EntityFrameworkCore.Migrations.Operations.AddCheckConstraintOperation * Microsoft.EntityFrameworkCore.Metadata.IModel * Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder -> unit

Protected Overridable Sub CheckConstraint (operation As AddCheckConstraintOperation, model As IModel, builder As MigrationCommandListBuilder)

参数

operation

AddCheckConstraintOperation

操作。

model

IModel

目标模型，如果 null 操作不存在，则为没有模型。

builder

MigrationCommandListBuilder

用于添加 SQL 片段的命令生成器。