SqlServerMigrationsSqlGenerator.AddDescription 方法
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
針對資料表和資料行的描述產生新增命令。
protected virtual void AddDescription (Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder builder, string description, string schema, string table, string column = default, bool omitSchemaVariable = false);
protected virtual void AddDescription (Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder builder, string description, string schema, string table, string column = default, bool omitVariableDeclarations = false);
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
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 omitSchemaVariable As Boolean = false)
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)
參數
- builder
- MigrationCommandListBuilder
用來建置命令的命令產生器。
- description
- String
要套用的新描述。
- schema
- String
資料表的結構描述。
- table
- String
資料表的名稱。
- column
- String
資料行名稱。
- omitSchemaVariableomitVariableDeclarations
- Boolean
指出是否 @defaultSchema 應該省略變數宣告。