MigrationBuilder.AddPrimaryKey 方法
定义
重要
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重载
AddPrimaryKey(String, String, String[], String) |
生成 , AddPrimaryKeyOperation 以将多列) 主键的新复合 (添加到表中。 |
AddPrimaryKey(String, String, String, String) |
生成以 AddPrimaryKeyOperation 将新的主键添加到表。 |
AddPrimaryKey(String, String, String[], String)
- Source:
- MigrationBuilder.cs
- Source:
- MigrationBuilder.cs
- Source:
- MigrationBuilder.cs
- Source:
- MigrationBuilder.cs
- Source:
- MigrationBuilder.cs
- Source:
- MigrationBuilder.cs
- Source:
- MigrationBuilder.cs
- Source:
- MigrationBuilder.cs
- Source:
- MigrationBuilder.cs
生成 , AddPrimaryKeyOperation 以将多列) 主键的新复合 (添加到表中。
public virtual Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddPrimaryKeyOperation> AddPrimaryKey (string name, string table, string[] columns, string schema = default);
public virtual Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddPrimaryKeyOperation> AddPrimaryKey (string name, string table, string[] columns, string? schema = default);
abstract member AddPrimaryKey : string * string * string[] * string -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddPrimaryKeyOperation>
override this.AddPrimaryKey : string * string * string[] * string -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddPrimaryKeyOperation>
Public Overridable Function AddPrimaryKey (name As String, table As String, columns As String(), Optional schema As String = Nothing) As OperationBuilder(Of AddPrimaryKeyOperation)
参数
- name
- String
主键约束名称。
- table
- String
将包含主键的表。
- columns
- String[]
构成主键的列的有序列表。
- schema
- String
包含表的架构,或使用 null
默认架构。
返回
允许将批注添加到操作的生成器。
注解
有关详细信息和示例 ,请参阅数据库迁移 。
适用于
AddPrimaryKey(String, String, String, String)
- Source:
- MigrationBuilder.cs
- Source:
- MigrationBuilder.cs
- Source:
- MigrationBuilder.cs
- Source:
- MigrationBuilder.cs
- Source:
- MigrationBuilder.cs
- Source:
- MigrationBuilder.cs
- Source:
- MigrationBuilder.cs
- Source:
- MigrationBuilder.cs
- Source:
- MigrationBuilder.cs
生成以 AddPrimaryKeyOperation 将新的主键添加到表。
public virtual Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddPrimaryKeyOperation> AddPrimaryKey (string name, string table, string column, string schema = default);
public virtual Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddPrimaryKeyOperation> AddPrimaryKey (string name, string table, string column, string? schema = default);
abstract member AddPrimaryKey : string * string * string * string -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddPrimaryKeyOperation>
override this.AddPrimaryKey : string * string * string * string -> Microsoft.EntityFrameworkCore.Migrations.Operations.Builders.OperationBuilder<Microsoft.EntityFrameworkCore.Migrations.Operations.AddPrimaryKeyOperation>
Public Overridable Function AddPrimaryKey (name As String, table As String, column As String, Optional schema As String = Nothing) As OperationBuilder(Of AddPrimaryKeyOperation)
参数
- name
- String
主键约束名称。
- table
- String
将包含主键的表。
- column
- String
构成主键的列。
- schema
- String
包含表的架构,或使用 null
默认架构。
返回
允许将批注添加到操作的生成器。
注解
有关详细信息和示例 ,请参阅数据库迁移 。