ColumnModificationParameters 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

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

ColumnModificationParameters(IUpdateEntry, IProperty, IColumn, Func<String>, RelationalTypeMapping, Boolean, Boolean, Boolean, Boolean, Boolean)	创建一个新的 ColumnModificationParameters 实例。
ColumnModificationParameters(IUpdateEntry, IProperty, IColumnBase, Func<String>, RelationalTypeMapping, Boolean, Boolean, Boolean, Boolean, Boolean)	创建一个新的 ColumnModificationParameters 实例。
ColumnModificationParameters(IColumn, Object, Object, IProperty, RelationalTypeMapping, Boolean, Boolean, Boolean, Boolean, Boolean, Nullable<Boolean>)	创建一个新的 ColumnModificationParameters 实例。
ColumnModificationParameters(String, Object, IProperty, String, RelationalTypeMapping, String, Boolean, Boolean, Boolean, Boolean, Boolean, Nullable<Boolean>)	创建一个新 ColumnModificationParameters 实例，该实例专用于更新映射到 JSON 列的对象。
ColumnModificationParameters(String, Object, Object, IProperty, String, RelationalTypeMapping, Boolean, Boolean, Boolean, Boolean, Boolean, Nullable<Boolean>)	创建一个新的 ColumnModificationParameters 实例。

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

创建一个新的 ColumnModificationParameters 实例。

public ColumnModificationParameters (Microsoft.EntityFrameworkCore.Update.IUpdateEntry entry, Microsoft.EntityFrameworkCore.Metadata.IProperty property, Microsoft.EntityFrameworkCore.Metadata.IColumn column, Func<string> generateParameterName, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping, bool valueIsRead, bool valueIsWrite, bool columnIsKey, bool columnIsCondition, bool sensitiveLoggingEnabled);

new Microsoft.EntityFrameworkCore.Update.ColumnModificationParameters : 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.ColumnModificationParameters

Public Sub New (entry As IUpdateEntry, property As IProperty, column As IColumn, generateParameterName As Func(Of String), typeMapping As RelationalTypeMapping, valueIsRead As Boolean, valueIsWrite As Boolean, columnIsKey As Boolean, columnIsCondition 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。

valueIsRead: Boolean

指示是否必须从数据库中读取列的值。

valueIsWrite: Boolean

指示是否必须将值写入列的数据库。

columnIsKey: Boolean

指示列部分是主键还是备用键。

columnIsCondition: 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) 。

适用于

ColumnModificationParameters(IUpdateEntry, IProperty, IColumnBase, Func<String>, RelationalTypeMapping, Boolean, Boolean, Boolean, Boolean, Boolean)

创建一个新的 ColumnModificationParameters 实例。

public ColumnModificationParameters (Microsoft.EntityFrameworkCore.Update.IUpdateEntry? entry, Microsoft.EntityFrameworkCore.Metadata.IProperty? property, Microsoft.EntityFrameworkCore.Metadata.IColumnBase column, Func<string> generateParameterName, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping, bool valueIsRead, bool valueIsWrite, bool columnIsKey, bool columnIsCondition, bool sensitiveLoggingEnabled);

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

Public Sub New (entry As IUpdateEntry, property As IProperty, column As IColumnBase, generateParameterName As Func(Of String), typeMapping As RelationalTypeMapping, valueIsRead As Boolean, valueIsWrite As Boolean, columnIsKey As Boolean, columnIsCondition 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: IColumnBase

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。

valueIsRead: Boolean

指示是否必须从数据库中读取列的值。

valueIsWrite: Boolean

指示是否必须将值写入列的数据库。

columnIsKey: Boolean

指示列部分是主键还是备用键。

columnIsCondition: 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) 。

适用于

ColumnModificationParameters(IColumn, Object, Object, IProperty, RelationalTypeMapping, Boolean, Boolean, Boolean, Boolean, Boolean, Nullable<Boolean>)

创建一个新的 ColumnModificationParameters 实例。

public ColumnModificationParameters (Microsoft.EntityFrameworkCore.Metadata.IColumn column, object? originalValue, object? value, Microsoft.EntityFrameworkCore.Metadata.IProperty? property, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping? typeMapping, bool read, bool write, bool key, bool condition, bool sensitiveLoggingEnabled, bool? isNullable = default);

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

Public Sub New (column As IColumn, originalValue As Object, value As Object, property As IProperty, typeMapping As RelationalTypeMapping, read As Boolean, write As Boolean, key As Boolean, condition As Boolean, sensitiveLoggingEnabled As Boolean, Optional isNullable As Nullable(Of Boolean) = Nothing)

参数

column: IColumn

列。

originalValue: Object

映射到此列的属性的原始值。

value: Object

映射到此列的属性的当前值。

property: IProperty

映射到列的属性。

typeMapping: RelationalTypeMapping

要用于命令参数的关系类型映射。

read: Boolean

指示是否必须从数据库中读取列的值。

write: Boolean

指示是否必须将值写入列的数据库。

key: Boolean

指示列部分是主键还是备用键。

condition: 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。

适用于

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

创建一个新 ColumnModificationParameters 实例，该实例专用于更新映射到 JSON 列的对象。

public ColumnModificationParameters (string columnName, object? value, Microsoft.EntityFrameworkCore.Metadata.IProperty? property, string? columnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping? typeMapping, string jsonPath, bool read, bool write, bool key, bool condition, bool sensitiveLoggingEnabled, bool? isNullable = default);

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

Public Sub New (columnName As String, value As Object, property As IProperty, columnType As String, typeMapping As RelationalTypeMapping, jsonPath As String, read As Boolean, write As Boolean, key As Boolean, condition As Boolean, sensitiveLoggingEnabled As Boolean, Optional isNullable As Nullable(Of Boolean) = Nothing)

参数

columnName: String

JSON 列的名称。

value: Object

位于给定 JSON 路径处的 JSON 元素的当前值。

property: IProperty

在 JSON 列单个标量属性修改的情况下，正在修改的标量属性为 null，否则为 null。

columnType: String

JSON 列的数据库类型。

typeMapping: RelationalTypeMapping

要用于命令参数的关系类型映射。

jsonPath: String

指向需要更新的 JSON 元素的 JSON 路径。

read: Boolean

指示是否必须从数据库中读取列的值。

write: Boolean

指示是否必须将值写入列的数据库。

key: Boolean

指示列部分是主键还是备用键。

condition: 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。

适用于

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

创建一个新的 ColumnModificationParameters 实例。

public ColumnModificationParameters (string columnName, object? originalValue, object? value, Microsoft.EntityFrameworkCore.Metadata.IProperty? property, string? columnType, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping? typeMapping, bool read, bool write, bool key, bool condition, bool sensitiveLoggingEnabled, bool? isNullable = default);

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

Public Sub New (columnName As String, originalValue As Object, value As Object, property As IProperty, columnType As String, typeMapping As RelationalTypeMapping, read As Boolean, write As Boolean, key As Boolean, condition 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

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。

read: Boolean

指示是否必须从数据库中读取列的值。

write: Boolean

指示是否必须将值写入列的数据库。

key: Boolean

指示列部分是主键还是备用键。

condition: 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。

适用于

通过

ColumnModificationParameters 构造函数

定义

重载

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

参数

适用于

ColumnModificationParameters(IUpdateEntry, IProperty, IColumnBase, Func<String>, RelationalTypeMapping, Boolean, Boolean, Boolean, Boolean, Boolean)

参数

适用于

ColumnModificationParameters(IColumn, Object, Object, IProperty, RelationalTypeMapping, Boolean, Boolean, Boolean, Boolean, Boolean, Nullable<Boolean>)

参数

适用于

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

参数

适用于

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

参数

适用于

反馈

其他资源