ColumnModification 构造函数

参考

定义

命名空间:: Microsoft.EntityFrameworkCore.Update

程序集:: Microsoft.EntityFrameworkCore.Relational.dll

包:: Microsoft.EntityFrameworkCore.Relational v6.0.0

包:: Microsoft.EntityFrameworkCore.Relational v7.0.0

包:: Microsoft.EntityFrameworkCore.Relational v8.0.0

包:: Microsoft.EntityFrameworkCore.Relational v2.1.11

包:: Microsoft.EntityFrameworkCore.Relational v2.2.6

包:: Microsoft.EntityFrameworkCore.Relational v1.0.6

包:: Microsoft.EntityFrameworkCore.Relational v1.1.6

包:: Microsoft.EntityFrameworkCore.Relational v2.0.3

包:: Microsoft.EntityFrameworkCore.Relational v3.0.0

包:: Microsoft.EntityFrameworkCore.Relational v3.1.0

包:: Microsoft.EntityFrameworkCore.Relational v5.0.0

重要

一些信息与预发行产品相关，相应产品在发行之前可能会进行重大修改。对于此处提供的信息，Microsoft 不作任何明示或暗示的担保。

重载

ColumnModification(ColumnModificationParameters)	创建一个新的 ColumnModification 实例。
ColumnModification(String, Object, Object, IProperty, Boolean, Boolean, Boolean, Boolean)	创建一个新的 ColumnModification 实例。
ColumnModification(IUpdateEntry, IProperty, IRelationalPropertyAnnotations, Func<String>, Boolean, Boolean, Boolean, Boolean, Boolean)	创建一个新的 ColumnModification 实例。
ColumnModification(IUpdateEntry, IProperty, Func<String>, Boolean, Boolean, Boolean, Boolean, Boolean, Boolean)	已过时. 已过时. 创建一个新的 ColumnModification 实例。
ColumnModification(String, Object, Object, IProperty, Boolean, Boolean, Boolean, Boolean, Boolean)	已过时. 已过时. 创建一个新的 ColumnModification 实例。
ColumnModification(IUpdateEntry, IProperty, IColumn, Func<String>, RelationalTypeMapping, Boolean, Boolean, Boolean, Boolean, Boolean)	已过时. 创建一个新的 ColumnModification 实例。
ColumnModification(String, Object, Object, IProperty, String, Boolean, Boolean, Boolean, Boolean, Boolean)	已过时. 已过时. 创建一个新的 ColumnModification 实例。
ColumnModification(String, Object, Object, IProperty, String, RelationalTypeMapping, Boolean, Boolean, Boolean, Boolean, Boolean, Nullable<Boolean>)	已过时. 创建一个新的 ColumnModification 实例。

ColumnModification(ColumnModificationParameters)

创建一个新的 ColumnModification 实例。

public ColumnModification (in Microsoft.EntityFrameworkCore.Update.ColumnModificationParameters columnModificationParameters);

new Microsoft.EntityFrameworkCore.Update.ColumnModification : ColumnModificationParameters -> Microsoft.EntityFrameworkCore.Update.ColumnModification

Public Sub New (ByRef columnModificationParameters As ColumnModificationParameters)

参数

columnModificationParameters: ColumnModificationParameters

创建参数。

适用于

ColumnModification(String, Object, Object, IProperty, Boolean, Boolean, Boolean, Boolean)

创建一个新的 ColumnModification 实例。

public ColumnModification (string columnName, object originalValue, object value, Microsoft.EntityFrameworkCore.Metadata.IProperty property, bool isRead, bool isWrite, bool isKey, bool isCondition);

new Microsoft.EntityFrameworkCore.Update.ColumnModification : string * obj * obj * Microsoft.EntityFrameworkCore.Metadata.IProperty * bool * bool * bool * bool -> Microsoft.EntityFrameworkCore.Update.ColumnModification

Public Sub New (columnName As String, originalValue As Object, value As Object, property As IProperty, isRead As Boolean, isWrite As Boolean, isKey As Boolean, isCondition As Boolean)

参数

columnName: String

列的名称。

originalValue: Object

映射到此列的属性的原始值。

value: Object

获取或设置映射到此列的属性的当前值。

property: IProperty

映射到列的属性。

isRead: Boolean

指示是否必须从数据库中读取列的值。

isWrite: Boolean

指示是否必须将值写入列的数据库。

isKey: Boolean

指示列部分是主键还是备用键。

isCondition: Boolean

指示更新时是否在子句中使用 WHERE 列。

适用于

ColumnModification(IUpdateEntry, IProperty, IRelationalPropertyAnnotations, Func<String>, Boolean, Boolean, Boolean, Boolean, Boolean)

创建一个新的 ColumnModification 实例。

public ColumnModification (Microsoft.EntityFrameworkCore.Update.IUpdateEntry entry, Microsoft.EntityFrameworkCore.Metadata.IProperty property, Microsoft.EntityFrameworkCore.Metadata.IRelationalPropertyAnnotations propertyAnnotations, Func<string> generateParameterName, bool isRead, bool isWrite, bool isKey, bool isCondition, bool isConcurrencyToken);

new Microsoft.EntityFrameworkCore.Update.ColumnModification : Microsoft.EntityFrameworkCore.Update.IUpdateEntry * Microsoft.EntityFrameworkCore.Metadata.IProperty * Microsoft.EntityFrameworkCore.Metadata.IRelationalPropertyAnnotations * Func<string> * bool * bool * bool * bool * bool -> Microsoft.EntityFrameworkCore.Update.ColumnModification

Public Sub New (entry As IUpdateEntry, property As IProperty, propertyAnnotations As IRelationalPropertyAnnotations, generateParameterName As Func(Of String), isRead As Boolean, isWrite As Boolean, isKey As Boolean, isCondition As Boolean, isConcurrencyToken As Boolean)

参数

entry: IUpdateEntry

表示 IUpdateEntry 正在修改的实体的。

property: IProperty

映射到列的属性。

propertyAnnotations: IRelationalPropertyAnnotations

提供对列的特定于关系注释的访问。

generateParameterName: Func<String>

用于为更新 SQL 生成参数名称的委托。

isRead: Boolean

指示是否必须从数据库中读取列的值。

isWrite: Boolean

指示是否必须将值写入列的数据库。

isKey: Boolean

指示列部分是主键还是备用键。

isCondition: Boolean

指示更新时是否在子句中使用 WHERE 列。

isConcurrencyToken: Boolean

指示列是否充当乐观并发标记。

适用于

ColumnModification(IUpdateEntry, IProperty, Func<String>, Boolean, Boolean, Boolean, Boolean, Boolean, Boolean)

注意

Use the constructor with column

注意

Use the constructor with columnModificationParameters

创建一个新的 ColumnModification 实例。

public ColumnModification (Microsoft.EntityFrameworkCore.Update.IUpdateEntry entry, Microsoft.EntityFrameworkCore.Metadata.IProperty property, Func<string> generateParameterName, bool isRead, bool isWrite, bool isKey, bool isCondition, bool isConcurrencyToken, bool sensitiveLoggingEnabled);

[System.Obsolete("Use the constructor with column")]
public ColumnModification (Microsoft.EntityFrameworkCore.Update.IUpdateEntry entry, Microsoft.EntityFrameworkCore.Metadata.IProperty property, Func<string> generateParameterName, bool isRead, bool isWrite, bool isKey, bool isCondition, bool isConcurrencyToken, bool sensitiveLoggingEnabled);

[System.Obsolete("Use the constructor with columnModificationParameters")]
public ColumnModification (Microsoft.EntityFrameworkCore.Update.IUpdateEntry entry, Microsoft.EntityFrameworkCore.Metadata.IProperty property, Func<string> generateParameterName, bool isRead, bool isWrite, bool isKey, bool isCondition, bool isConcurrencyToken, bool sensitiveLoggingEnabled);

new Microsoft.EntityFrameworkCore.Update.ColumnModification : Microsoft.EntityFrameworkCore.Update.IUpdateEntry * Microsoft.EntityFrameworkCore.Metadata.IProperty * Func<string> * bool * bool * bool * bool * bool * bool -> Microsoft.EntityFrameworkCore.Update.ColumnModification

[<System.Obsolete("Use the constructor with column")>]
new Microsoft.EntityFrameworkCore.Update.ColumnModification : Microsoft.EntityFrameworkCore.Update.IUpdateEntry * Microsoft.EntityFrameworkCore.Metadata.IProperty * Func<string> * bool * bool * bool * bool * bool * bool -> Microsoft.EntityFrameworkCore.Update.ColumnModification

[<System.Obsolete("Use the constructor with columnModificationParameters")>]
new Microsoft.EntityFrameworkCore.Update.ColumnModification : Microsoft.EntityFrameworkCore.Update.IUpdateEntry * Microsoft.EntityFrameworkCore.Metadata.IProperty * Func<string> * bool * bool * bool * bool * bool * bool -> Microsoft.EntityFrameworkCore.Update.ColumnModification

Public Sub New (entry As IUpdateEntry, property As IProperty, generateParameterName As Func(Of String), isRead As Boolean, isWrite As Boolean, isKey As Boolean, isCondition As Boolean, isConcurrencyToken As Boolean, sensitiveLoggingEnabled As Boolean)

参数

entry: IUpdateEntry

表示 IUpdateEntry 正在修改的实体的。

property: IProperty

映射到列的属性。

generateParameterName: Func<String>

用于为更新 SQL 生成参数名称的委托。

isRead: Boolean

指示是否必须从数据库中读取列的值。

isWrite: Boolean

指示是否必须将值写入列的数据库。

isKey: Boolean

指示列部分是主键还是备用键。

isCondition: Boolean

指示更新时是否在子句中使用 WHERE 列。

isConcurrencyToken: Boolean

指示列是否充当乐观并发标记。

sensitiveLoggingEnabled: Boolean

指示是否可以记录潜在的敏感数据 (例如数据库值) 。

属性: ObsoleteAttribute

适用于

ColumnModification(String, Object, Object, IProperty, Boolean, Boolean, Boolean, Boolean, Boolean)

注意

Use the constructor with columnType

注意

Use the constructor with columnModificationParameters

创建一个新的 ColumnModification 实例。

public ColumnModification (string columnName, object originalValue, object value, Microsoft.EntityFrameworkCore.Metadata.IProperty property, bool isRead, bool isWrite, bool isKey, bool isCondition, bool sensitiveLoggingEnabled);

[System.Obsolete("Use the constructor with columnType")]
public ColumnModification (string columnName, object originalValue, object value, Microsoft.EntityFrameworkCore.Metadata.IProperty property, bool isRead, bool isWrite, bool isKey, bool isCondition, bool sensitiveLoggingEnabled);

[System.Obsolete("Use the constructor with columnModificationParameters")]
public ColumnModification (string columnName, object? originalValue, object? value, Microsoft.EntityFrameworkCore.Metadata.IProperty? property, bool isRead, bool isWrite, bool isKey, bool isCondition, bool sensitiveLoggingEnabled);

new Microsoft.EntityFrameworkCore.Update.ColumnModification : string * obj * obj * Microsoft.EntityFrameworkCore.Metadata.IProperty * bool * bool * bool * bool * bool -> Microsoft.EntityFrameworkCore.Update.ColumnModification

[<System.Obsolete("Use the constructor with columnType")>]
new Microsoft.EntityFrameworkCore.Update.ColumnModification : string * obj * obj * Microsoft.EntityFrameworkCore.Metadata.IProperty * bool * bool * bool * bool * bool -> Microsoft.EntityFrameworkCore.Update.ColumnModification

[<System.Obsolete("Use the constructor with columnModificationParameters")>]
new Microsoft.EntityFrameworkCore.Update.ColumnModification : string * obj * obj * Microsoft.EntityFrameworkCore.Metadata.IProperty * bool * bool * bool * bool * bool -> Microsoft.EntityFrameworkCore.Update.ColumnModification

Public Sub New (columnName As String, originalValue As Object, value As Object, property As IProperty, isRead As Boolean, isWrite As Boolean, isKey As Boolean, isCondition As Boolean, sensitiveLoggingEnabled As Boolean)

参数

columnName: String

列的名称。

originalValue: Object

映射到此列的属性的原始值。

value: Object

获取或设置映射到此列的属性的当前值。

property: IProperty

映射到列的属性。

isRead: Boolean

指示是否必须从数据库中读取列的值。

isWrite: Boolean

指示是否必须将值写入列的数据库。

isKey: Boolean

指示列部分是主键还是备用键。

isCondition: Boolean

指示更新时是否在子句中使用 WHERE 列。

sensitiveLoggingEnabled: Boolean

指示是否可以记录潜在的敏感数据 (例如数据库值) 。

属性: ObsoleteAttribute

适用于

ColumnModification(IUpdateEntry, IProperty, IColumn, Func<String>, RelationalTypeMapping, Boolean, Boolean, Boolean, Boolean, Boolean)

注意

Use the constructor with columnModificationParameters

创建一个新的 ColumnModification 实例。

public ColumnModification (Microsoft.EntityFrameworkCore.Update.IUpdateEntry entry, Microsoft.EntityFrameworkCore.Metadata.IProperty property, Microsoft.EntityFrameworkCore.Metadata.IColumn column, Func<string> generateParameterName, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping, bool isRead, bool isWrite, bool isKey, bool isCondition, bool sensitiveLoggingEnabled);

[System.Obsolete("Use the constructor with columnModificationParameters")]
public ColumnModification (Microsoft.EntityFrameworkCore.Update.IUpdateEntry entry, Microsoft.EntityFrameworkCore.Metadata.IProperty property, Microsoft.EntityFrameworkCore.Metadata.IColumn column, Func<string> generateParameterName, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping, bool isRead, bool isWrite, bool isKey, bool isCondition, bool sensitiveLoggingEnabled);

new Microsoft.EntityFrameworkCore.Update.ColumnModification : Microsoft.EntityFrameworkCore.Update.IUpdateEntry * Microsoft.EntityFrameworkCore.Metadata.IProperty * Microsoft.EntityFrameworkCore.Metadata.IColumn * Func<string> * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping * bool * bool * bool * bool * bool -> Microsoft.EntityFrameworkCore.Update.ColumnModification

[<System.Obsolete("Use the constructor with columnModificationParameters")>]
new Microsoft.EntityFrameworkCore.Update.ColumnModification : Microsoft.EntityFrameworkCore.Update.IUpdateEntry * Microsoft.EntityFrameworkCore.Metadata.IProperty * Microsoft.EntityFrameworkCore.Metadata.IColumn * Func<string> * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping * bool * bool * bool * bool * bool -> Microsoft.EntityFrameworkCore.Update.ColumnModification

Public Sub New (entry As IUpdateEntry, property As IProperty, column As IColumn, generateParameterName As Func(Of String), typeMapping As RelationalTypeMapping, isRead As Boolean, isWrite As Boolean, isKey As Boolean, isCondition As Boolean, sensitiveLoggingEnabled As Boolean)

参数

entry: IUpdateEntry

表示 IUpdateEntry 正在修改的实体的。

property: IProperty

映射到列的属性。

column: IColumn

要修改的列。

generateParameterName: Func<String>

用于为更新 SQL 生成参数名称的委托。

typeMapping: RelationalTypeMapping

要用于命令参数的关系类型映射。

isRead: Boolean

指示是否必须从数据库中读取列的值。

isWrite: Boolean

指示是否必须将值写入列的数据库。

isKey: Boolean

指示列部分是主键还是备用键。

isCondition: Boolean

指示更新时是否在子句中使用 WHERE 列。

sensitiveLoggingEnabled: Boolean

指示是否可以记录潜在的敏感数据 (例如数据库值) 。

属性: ObsoleteAttribute

适用于

ColumnModification(String, Object, Object, IProperty, String, Boolean, Boolean, Boolean, Boolean, Boolean)

注意

Use the constructor with type mapping

注意

Use the constructor with columnModificationParameters

创建一个新的 ColumnModification 实例。

[System.Obsolete("Use the constructor with type mapping")]
public ColumnModification (string columnName, object originalValue, object value, Microsoft.EntityFrameworkCore.Metadata.IProperty property, string columnType, bool isRead, bool isWrite, bool isKey, bool isCondition, bool sensitiveLoggingEnabled);

[System.Obsolete("Use the constructor with columnModificationParameters")]
public ColumnModification (string columnName, object? originalValue, object? value, Microsoft.EntityFrameworkCore.Metadata.IProperty? property, string? columnType, bool isRead, bool isWrite, bool isKey, bool isCondition, bool sensitiveLoggingEnabled);

[<System.Obsolete("Use the constructor with type mapping")>]
new Microsoft.EntityFrameworkCore.Update.ColumnModification : string * obj * obj * Microsoft.EntityFrameworkCore.Metadata.IProperty * string * bool * bool * bool * bool * bool -> Microsoft.EntityFrameworkCore.Update.ColumnModification

[<System.Obsolete("Use the constructor with columnModificationParameters")>]
new Microsoft.EntityFrameworkCore.Update.ColumnModification : string * obj * obj * Microsoft.EntityFrameworkCore.Metadata.IProperty * string * bool * bool * bool * bool * bool -> Microsoft.EntityFrameworkCore.Update.ColumnModification

Public Sub New (columnName As String, originalValue As Object, value As Object, property As IProperty, columnType As String, isRead As Boolean, isWrite As Boolean, isKey As Boolean, isCondition As Boolean, sensitiveLoggingEnabled As Boolean)

参数

columnName: String

列的名称。

originalValue: Object

映射到此列的属性的原始值。

value: Object

获取或设置映射到此列的属性的当前值。

property: IProperty

映射到列的属性。

columnType: String

列的数据库类型。

isRead: Boolean

指示是否必须从数据库中读取列的值。

isWrite: Boolean

指示是否必须将值写入列的数据库。

isKey: Boolean

指示列部分是主键还是备用键。

isCondition: Boolean

指示更新时是否在子句中使用 WHERE 列。

sensitiveLoggingEnabled: Boolean

指示是否可以记录潜在的敏感数据 (例如数据库值) 。

属性: ObsoleteAttribute

适用于

ColumnModification(String, Object, Object, IProperty, String, RelationalTypeMapping, Boolean, Boolean, Boolean, Boolean, Boolean, Nullable<Boolean>)

注意

Use the constructor with columnModificationParameters

创建一个新的 ColumnModification 实例。

public ColumnModification (string columnName, object originalValue, object value, Microsoft.EntityFrameworkCore.Metadata.IProperty property, string columnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping, bool isRead, bool isWrite, bool isKey, bool isCondition, bool sensitiveLoggingEnabled, bool? isNullable = default);

[System.Obsolete("Use the constructor with columnModificationParameters")]
public ColumnModification (string columnName, object? originalValue, object? value, Microsoft.EntityFrameworkCore.Metadata.IProperty? property, string? columnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping? typeMapping, bool isRead, bool isWrite, bool isKey, bool isCondition, bool sensitiveLoggingEnabled, bool? isNullable = default);

new Microsoft.EntityFrameworkCore.Update.ColumnModification : string * obj * obj * Microsoft.EntityFrameworkCore.Metadata.IProperty * string * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping * bool * bool * bool * bool * bool * Nullable<bool> -> Microsoft.EntityFrameworkCore.Update.ColumnModification

[<System.Obsolete("Use the constructor with columnModificationParameters")>]
new Microsoft.EntityFrameworkCore.Update.ColumnModification : string * obj * obj * Microsoft.EntityFrameworkCore.Metadata.IProperty * string * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping * bool * bool * bool * bool * bool * Nullable<bool> -> Microsoft.EntityFrameworkCore.Update.ColumnModification

Public Sub New (columnName As String, originalValue As Object, value As Object, property As IProperty, columnType As String, typeMapping As RelationalTypeMapping, isRead As Boolean, isWrite As Boolean, isKey As Boolean, isCondition As Boolean, sensitiveLoggingEnabled As Boolean, Optional isNullable As Nullable(Of Boolean) = Nothing)

参数

columnName: String

列的名称。

originalValue: Object

映射到此列的属性的原始值。

value: Object

获取或设置映射到此列的属性的当前值。

property: IProperty

映射到列的属性。

columnType: String

列的数据库类型。

typeMapping: RelationalTypeMapping

要用于命令参数的关系类型映射。

isRead: Boolean

指示是否必须从数据库中读取列的值。

isWrite: Boolean

指示是否必须将值写入列的数据库。

isKey: Boolean

指示列部分是主键还是备用键。

isCondition: Boolean

指示更新时是否在子句中使用 WHERE 列。

sensitiveLoggingEnabled: Boolean

指示是否可以记录潜在的敏感数据 (例如数据库值) 。

isNullable: Nullable<Boolean>

一个值，该值指示该值是否可为 null。

属性: ObsoleteAttribute

适用于

通过

ColumnModification 构造函数

定义

重载

ColumnModification(ColumnModificationParameters)

参数

适用于

ColumnModification(String, Object, Object, IProperty, Boolean, Boolean, Boolean, Boolean)

参数

适用于

ColumnModification(IUpdateEntry, IProperty, IRelationalPropertyAnnotations, Func<String>, Boolean, Boolean, Boolean, Boolean, Boolean)

参数

适用于

ColumnModification(IUpdateEntry, IProperty, Func<String>, Boolean, Boolean, Boolean, Boolean, Boolean, Boolean)

参数

适用于

ColumnModification(String, Object, Object, IProperty, Boolean, Boolean, Boolean, Boolean, Boolean)

参数

适用于

ColumnModification(IUpdateEntry, IProperty, IColumn, Func<String>, RelationalTypeMapping, Boolean, Boolean, Boolean, Boolean, Boolean)

参数

适用于

ColumnModification(String, Object, Object, IProperty, String, Boolean, Boolean, Boolean, Boolean, Boolean)

参数

适用于

ColumnModification(String, Object, Object, IProperty, String, RelationalTypeMapping, Boolean, Boolean, Boolean, Boolean, Boolean, Nullable<Boolean>)

参数

适用于

其他资源