SqlServerMigrationsSqlGenerator.AddDescription 方法

定义

命名空间:

Microsoft.EntityFrameworkCore.Migrations

程序集:

Microsoft.EntityFrameworkCore.SqlServer.dll

包:

Microsoft.EntityFrameworkCore.SqlServer v9.0.0

Source:

SqlServerMigrationsSqlGenerator.cs

为表和列的说明生成 add 命令。

protected virtual void AddDescription (Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder builder, string description, string? schema, string table, string? column = default, bool omitVariableDeclarations = false);

abstract member AddDescription : Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder * string * string * string * string * bool -> unit
override this.AddDescription : Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder * string * string * string * string * bool -> unit

Protected Overridable Sub AddDescription (builder As MigrationCommandListBuilder, description As String, schema As String, table As String, Optional column As String = Nothing, Optional omitVariableDeclarations As Boolean = false)

参数

builder

MigrationCommandListBuilder

用于生成命令的命令生成器。

description

String

要应用的新说明。

schema

String

表的架构。

table

String

表的名称。

column

String

列的名称。

omitVariableDeclarations

Boolean

指示是否 @defaultSchema 应省略变量声明。