通过

RelationalSqlTranslatingExpressionVisitor.TranslateSum 方法

  • 参考

定义

命名空间:
Microsoft.EntityFrameworkCore.Query
程序集:
Microsoft.EntityFrameworkCore.Relational.dll
包:
Microsoft.EntityFrameworkCore.Relational v3.0.0
包:
Microsoft.EntityFrameworkCore.Relational v3.1.0
包:
Microsoft.EntityFrameworkCore.Relational v5.0.0
包:
Microsoft.EntityFrameworkCore.Relational v6.0.0
包:
Microsoft.EntityFrameworkCore.Relational v7.0.0
包:
Microsoft.EntityFrameworkCore.Relational v8.0.0

重载

TranslateSum(Expression)
TranslateSum(SqlExpression)
已过时.

将表达式的 Sum 转换为等效的 SQL 表示形式。

TranslateSum(Expression) 

public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression TranslateSum (System.Linq.Expressions.Expression expression);
abstract member TranslateSum : System.Linq.Expressions.Expression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
override this.TranslateSum : System.Linq.Expressions.Expression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
Public Overridable Function TranslateSum (expression As Expression) As SqlExpression

参数

expression
Expression

返回

SqlExpression

适用于

TranslateSum(SqlExpression)

注意

Use IAggregateMethodCallTranslatorProvider to add translation for aggregate methods

将表达式的 Sum 转换为等效的 SQL 表示形式。

public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression TranslateSum (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression sqlExpression);
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression? TranslateSum (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression sqlExpression);
[System.Obsolete("Use IAggregateMethodCallTranslatorProvider to add translation for aggregate methods")]
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression? TranslateSum (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression sqlExpression);
abstract member TranslateSum : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
override this.TranslateSum : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
[<System.Obsolete("Use IAggregateMethodCallTranslatorProvider to add translation for aggregate methods")>]
abstract member TranslateSum : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
override this.TranslateSum : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
Public Overridable Function TranslateSum (sqlExpression As SqlExpression) As SqlExpression

参数

sqlExpression
SqlExpression

用于转换 Sum 的表达式。

返回

SqlExpression

对给定表达式的 Sum 的 SQL 转换。

属性
ObsoleteAttribute

适用于