SqlServerMigrationsSqlGenerator.DropDescription 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 drop 命令。

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

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

Protected Overridable Sub DropDescription (builder As MigrationCommandListBuilder, 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。

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。