MigrationsSqlGenerator.ColumnDefinition 方法
定义
重要
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重载
ColumnDefinition(AddColumnOperation, IModel, MigrationCommandListBuilder)
- Source:
- MigrationsSqlGenerator.cs
- Source:
- MigrationsSqlGenerator.cs
- Source:
- MigrationsSqlGenerator.cs
- Source:
- MigrationsSqlGenerator.cs
- Source:
- MigrationsSqlGenerator.cs
- Source:
- MigrationsSqlGenerator.cs
- Source:
- MigrationsSqlGenerator.cs
- Source:
- MigrationsSqlGenerator.cs
- Source:
- MigrationsSqlGenerator.cs
为 中的 AddColumnOperation列定义生成 SQL 片段。
protected virtual void ColumnDefinition (Microsoft.EntityFrameworkCore.Migrations.Operations.AddColumnOperation operation, Microsoft.EntityFrameworkCore.Metadata.IModel model, Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder builder);protected virtual void ColumnDefinition (Microsoft.EntityFrameworkCore.Migrations.Operations.AddColumnOperation operation, Microsoft.EntityFrameworkCore.Metadata.IModel? model, Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder builder);abstract member ColumnDefinition : Microsoft.EntityFrameworkCore.Migrations.Operations.AddColumnOperation * Microsoft.EntityFrameworkCore.Metadata.IModel * Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder -> unit
override this.ColumnDefinition : Microsoft.EntityFrameworkCore.Migrations.Operations.AddColumnOperation * Microsoft.EntityFrameworkCore.Metadata.IModel * Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder -> unitProtected Overridable Sub ColumnDefinition (operation As AddColumnOperation, model As IModel, builder As MigrationCommandListBuilder)参数
- operation
- AddColumnOperation
操作。
- model
- IModel
如果不存在模型的操作，则 null 为 的目标模型。
- builder
- MigrationCommandListBuilder
用于添加 SQL 片段的命令生成器。
适用于
ColumnDefinition(String, String, String, ColumnOperation, IModel, MigrationCommandListBuilder)
- Source:
- MigrationsSqlGenerator.cs
- Source:
- MigrationsSqlGenerator.cs
- Source:
- MigrationsSqlGenerator.cs
- Source:
- MigrationsSqlGenerator.cs
- Source:
- MigrationsSqlGenerator.cs
- Source:
- MigrationsSqlGenerator.cs
- Source:
- MigrationsSqlGenerator.cs
为给定列元数据的列定义生成 SQL 片段。
protected virtual void ColumnDefinition (string schema, string table, string name, Microsoft.EntityFrameworkCore.Migrations.Operations.ColumnOperation operation, Microsoft.EntityFrameworkCore.Metadata.IModel model, Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder builder);protected virtual void ColumnDefinition (string? schema, string table, string name, Microsoft.EntityFrameworkCore.Migrations.Operations.ColumnOperation operation, Microsoft.EntityFrameworkCore.Metadata.IModel? model, Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder builder);abstract member ColumnDefinition : string * string * string * Microsoft.EntityFrameworkCore.Migrations.Operations.ColumnOperation * Microsoft.EntityFrameworkCore.Metadata.IModel * Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder -> unit
override this.ColumnDefinition : string * string * string * Microsoft.EntityFrameworkCore.Migrations.Operations.ColumnOperation * Microsoft.EntityFrameworkCore.Metadata.IModel * Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder -> unitProtected Overridable Sub ColumnDefinition (schema As String, table As String, name As String, operation As ColumnOperation, model As IModel, builder As MigrationCommandListBuilder)参数
- schema
- String
包含表的架构，或使用 null 默认架构。
- table
- String
包含列的表。
- name
- String
列名称。
- operation
- ColumnOperation
列元数据。
- model
- IModel
如果不存在模型的操作，则 null 为 的目标模型。
- builder
- MigrationCommandListBuilder
用于添加 SQL 片段的命令生成器。
适用于
ColumnDefinition(String, String, String, Type, String, Nullable<Boolean>, Nullable<Int32>, Boolean, Boolean, Object, String, String, IAnnotatable, IModel, MigrationCommandListBuilder)
- Source:
- MigrationsSqlGenerator.cs
- Source:
- MigrationsSqlGenerator.cs
为给定列元数据的列定义生成 SQL 片段。
protected virtual void ColumnDefinition (string schema, string table, string name, Type clrType, string type, bool? unicode, int? maxLength, bool rowVersion, bool nullable, object defaultValue, string defaultValueSql, string computedColumnSql, Microsoft.EntityFrameworkCore.Infrastructure.IAnnotatable annotatable, Microsoft.EntityFrameworkCore.Metadata.IModel model, Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder builder);abstract member ColumnDefinition : string * string * string * Type * string * Nullable<bool> * Nullable<int> * bool * bool * obj * string * string * Microsoft.EntityFrameworkCore.Infrastructure.IAnnotatable * Microsoft.EntityFrameworkCore.Metadata.IModel * Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder -> unit
override this.ColumnDefinition : string * string * string * Type * string * Nullable<bool> * Nullable<int> * bool * bool * obj * string * string * Microsoft.EntityFrameworkCore.Infrastructure.IAnnotatable * Microsoft.EntityFrameworkCore.Metadata.IModel * Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder -> unitProtected Overridable Sub ColumnDefinition (schema As String, table As String, name As String, clrType As Type, type As String, unicode As Nullable(Of Boolean), maxLength As Nullable(Of Integer), rowVersion As Boolean, nullable As Boolean, defaultValue As Object, defaultValueSql As String, computedColumnSql As String, annotatable As IAnnotatable, model As IModel, builder As MigrationCommandListBuilder)参数
- schema
- String
包含表的架构，或使用 null 默认架构。
- table
- String
包含列的表。
- name
- String
列名称。
- type
- String
列的数据库/存储类型;如果未指定， null 则为 。
- rowVersion
- Boolean
指示此列是否为自动并发标记，例如SQL Server timestamp/rowversion。
- nullable
- Boolean
指示列是否可以存储 NULL 值。
- defaultValue
- Object
列的默认值。
- defaultValueSql
- String
要用于列的默认约束的 SQL 表达式。
- computedColumnSql
- String
用于计算列值的 SQL 表达式。
- annotatable
- IAnnotatable
用于 MigrationOperation 查找任何自定义批注的 。
- model
- IModel
如果不存在模型的操作，则 null 为 的目标模型。
- builder
- MigrationCommandListBuilder
用于添加 SQL 片段的命令生成器。
适用于
ColumnDefinition(String, String, String, Type, String, Nullable<Boolean>, Nullable<Int32>, Nullable<Boolean>, Boolean, Boolean, Object, String, String, IAnnotatable, IModel, MigrationCommandListBuilder)
- Source:
- MigrationsSqlGenerator.cs
- Source:
- MigrationsSqlGenerator.cs
为给定列元数据的列定义生成 SQL 片段。
protected virtual void ColumnDefinition (string schema, string table, string name, Type clrType, string type, bool? unicode, int? maxLength, bool? fixedLength, bool rowVersion, bool nullable, object defaultValue, string defaultValueSql, string computedColumnSql, Microsoft.EntityFrameworkCore.Infrastructure.IAnnotatable annotatable, Microsoft.EntityFrameworkCore.Metadata.IModel model, Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder builder);abstract member ColumnDefinition : string * string * string * Type * string * Nullable<bool> * Nullable<int> * Nullable<bool> * bool * bool * obj * string * string * Microsoft.EntityFrameworkCore.Infrastructure.IAnnotatable * Microsoft.EntityFrameworkCore.Metadata.IModel * Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder -> unit
override this.ColumnDefinition : string * string * string * Type * string * Nullable<bool> * Nullable<int> * Nullable<bool> * bool * bool * obj * string * string * Microsoft.EntityFrameworkCore.Infrastructure.IAnnotatable * Microsoft.EntityFrameworkCore.Metadata.IModel * Microsoft.EntityFrameworkCore.Migrations.MigrationCommandListBuilder -> unitProtected Overridable Sub ColumnDefinition (schema As String, table As String, name As String, clrType As Type, type As String, unicode As Nullable(Of Boolean), maxLength As Nullable(Of Integer), fixedLength As Nullable(Of Boolean), rowVersion As Boolean, nullable As Boolean, defaultValue As Object, defaultValueSql As String, computedColumnSql As String, annotatable As IAnnotatable, model As IModel, builder As MigrationCommandListBuilder)参数
- schema
- String
包含表的架构，或使用 null 默认架构。
- table
- String
包含列的表。
- name
- String
列名称。
- type
- String
列的数据库/存储类型;如果未指定， null 则为 。
- rowVersion
- Boolean
指示此列是否为自动并发标记，例如SQL Server timestamp/rowversion。
- nullable
- Boolean
指示列是否可以存储 NULL 值。
- defaultValue
- Object
列的默认值。
- defaultValueSql
- String
要用于列的默认约束的 SQL 表达式。
- computedColumnSql
- String
用于计算列值的 SQL 表达式。
- annotatable
- IAnnotatable
用于 MigrationOperation 查找任何自定义批注的 。
- model
- IModel
如果不存在模型的操作，则 null 为 的目标模型。
- builder
- MigrationCommandListBuilder
用于添加 SQL 片段的命令生成器。
