QueryExpressionEventData 建構函式

定義

命名空間:

Microsoft.EntityFrameworkCore.Diagnostics

組件:

Microsoft.EntityFrameworkCore.dll

套件:

Microsoft.EntityFrameworkCore v9.0.0

多載

QueryExpressionEventData(EventDefinitionBase, Func<EventDefinitionBase,EventData,String>, DbContext, Expression, ExpressionPrinter)

建構事件承載。

QueryExpressionEventData(EventDefinitionBase, Func<EventDefinitionBase,EventData,String>, DbContext, Expression, ExpressionPrinter)

來源:

QueryExpressionEventData.cs

建構事件承載。

public QueryExpressionEventData (Microsoft.EntityFrameworkCore.Diagnostics.EventDefinitionBase eventDefinition, Func<Microsoft.EntityFrameworkCore.Diagnostics.EventDefinitionBase,Microsoft.EntityFrameworkCore.Diagnostics.EventData,string> messageGenerator, Microsoft.EntityFrameworkCore.DbContext? context, System.Linq.Expressions.Expression queryExpression, Microsoft.EntityFrameworkCore.Query.ExpressionPrinter expressionPrinter);

new Microsoft.EntityFrameworkCore.Diagnostics.QueryExpressionEventData : Microsoft.EntityFrameworkCore.Diagnostics.EventDefinitionBase * Func<Microsoft.EntityFrameworkCore.Diagnostics.EventDefinitionBase, Microsoft.EntityFrameworkCore.Diagnostics.EventData, string> * Microsoft.EntityFrameworkCore.DbContext * System.Linq.Expressions.Expression * Microsoft.EntityFrameworkCore.Query.ExpressionPrinter -> Microsoft.EntityFrameworkCore.Diagnostics.QueryExpressionEventData

Public Sub New (eventDefinition As EventDefinitionBase, messageGenerator As Func(Of EventDefinitionBase, EventData, String), context As DbContext, queryExpression As Expression, expressionPrinter As ExpressionPrinter)

參數

eventDefinition

EventDefinitionBase

事件定義。

messageGenerator

Func<EventDefinitionBase,EventData,String>

產生此事件記錄訊息的委派。

context

DbContext

目前的 DbContext ，如果不知道，則 null 為 。

queryExpression

Expression

Expression。

expressionPrinter

ExpressionPrinter

ExpressionPrinter，可用來轉譯 Expression 。