ColumnModification 构造函数

定义

命名空间:: Microsoft.EntityFrameworkCore.Update

程序集:: Microsoft.EntityFrameworkCore.Relational.dll

程序包:: Microsoft.EntityFrameworkCore.Relational v10.0.0

程序包:: Microsoft.EntityFrameworkCore.Relational v11.0.0

程序包:: Microsoft.EntityFrameworkCore.Relational v6.0.0

程序包:: Microsoft.EntityFrameworkCore.Relational v7.0.0

程序包:: Microsoft.EntityFrameworkCore.Relational v8.0.0

程序包:: Microsoft.EntityFrameworkCore.Relational v9.0.0

程序包:: Microsoft.EntityFrameworkCore.Relational v2.1.11

程序包:: Microsoft.EntityFrameworkCore.Relational v2.2.6

程序包:: Microsoft.EntityFrameworkCore.Relational v1.0.6

程序包:: Microsoft.EntityFrameworkCore.Relational v1.1.6

程序包:: Microsoft.EntityFrameworkCore.Relational v2.0.3

程序包:: Microsoft.EntityFrameworkCore.Relational v3.0.0

程序包:: Microsoft.EntityFrameworkCore.Relational v3.1.0

程序包:: 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

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

ColumnModification(ColumnModificationParameters)

Source:: ColumnModification.cs

Source:: ColumnModification.cs

Source:: ColumnModification.cs

Source:: ColumnModification.cs

Source:: ColumnModification.cs

Source:: ColumnModification.cs

创建新的 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)

Source:: ColumnModification.cs

Source:: ColumnModification.cs

创建新的 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

指示是否必须从列的数据库读取值。

isWrite: Boolean

指示是否必须将值写入列的数据库。

isKey: Boolean

指示主键还是备用键的列部分。

isCondition: Boolean

指示更新时是否在 WHERE 子句中使用列。

适用于

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

Source:: ColumnModification.cs

Source:: ColumnModification.cs

创建新的 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。

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>

用于生成更新 SQL 的参数名称的委托。

isRead: Boolean

指示是否必须从列的数据库读取值。

isWrite: Boolean

指示是否必须将值写入列的数据库。

isKey: Boolean

指示主键还是备用键的列部分。

isCondition: Boolean

指示更新时是否在 WHERE 子句中使用列。

isConcurrencyToken: Boolean

指示列是否充当乐观并发令牌。

适用于

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

Source:: ColumnModification.cs

Source:: ColumnModification.cs

Source:: ColumnModification.cs

Source:: ColumnModification.cs

注意

Use the constructor with column

注意

Use the constructor with columnModificationParameters

创建新的 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。

property: IProperty

映射到列的属性。

generateParameterName: Func<String>

用于生成更新 SQL 的参数名称的委托。

isRead: Boolean

指示是否必须从该列的数据库读取值。

isWrite: Boolean

指示是否必须将值写入该列的数据库。

isKey: Boolean

指示主键或备用键的列部分。

isCondition: Boolean

指示更新时是否在 WHERE 子句中使用列。

isConcurrencyToken: Boolean

指示列是否充当乐观并发令牌。

sensitiveLoggingEnabled: Boolean

指示是否可以记录潜在的敏感数据（例如数据库值）。

特性: ObsoleteAttribute

适用于

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

Source:: ColumnModification.cs

Source:: ColumnModification.cs

Source:: ColumnModification.cs

Source:: ColumnModification.cs

注意

Use the constructor with columnType

注意

Use the constructor with columnModificationParameters

创建新的 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

指示是否必须从该列的数据库读取值。

isWrite: Boolean

指示是否必须将值写入该列的数据库。

isKey: Boolean

指示主键或备用键的列部分。

isCondition: Boolean

指示更新时是否在 WHERE 子句中使用列。

sensitiveLoggingEnabled: Boolean

指示是否可以记录潜在的敏感数据（例如数据库值）。

特性: ObsoleteAttribute

适用于

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

Source:: ColumnModification.cs

Source:: ColumnModification.cs

注意

Use the constructor with columnModificationParameters

创建新的 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。

property: IProperty

映射到列的属性。

column: IColumn

要修改的列。

generateParameterName: Func<String>

用于生成更新 SQL 的参数名称的委托。

typeMapping: RelationalTypeMapping

要用于命令参数的关系类型映射。

isRead: Boolean

指示是否必须从该列的数据库读取值。

isWrite: Boolean

指示是否必须将值写入该列的数据库。

isKey: Boolean

指示主键或备用键的列部分。

isCondition: Boolean

指示更新时是否在 WHERE 子句中使用列。

sensitiveLoggingEnabled: Boolean

指示是否可以记录潜在的敏感数据（例如数据库值）。

特性: ObsoleteAttribute

适用于

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

Source:: ColumnModification.cs

Source:: ColumnModification.cs

注意

Use the constructor with type mapping

注意

Use the constructor with columnModificationParameters

创建新的 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

指示是否必须从该列的数据库读取值。

isWrite: Boolean

指示是否必须将值写入该列的数据库。

isKey: Boolean

指示主键或备用键的列部分。

isCondition: Boolean

指示更新时是否在 WHERE 子句中使用列。

sensitiveLoggingEnabled: Boolean

指示是否可以记录潜在的敏感数据（例如数据库值）。

特性: ObsoleteAttribute

适用于

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

Source:: ColumnModification.cs

Source:: ColumnModification.cs

注意

Use the constructor with columnModificationParameters

创建新的 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

指示是否必须从该列的数据库读取值。

isWrite: Boolean

指示是否必须将值写入该列的数据库。

isKey: Boolean

指示主键或备用键的列部分。

isCondition: Boolean

指示更新时是否在 WHERE 子句中使用列。

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以为 null。

特性: ObsoleteAttribute

适用于

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