CoreLoggerExtensions.QueryCompilationStarting Método

Definição

Namespace:

Microsoft.EntityFrameworkCore.Diagnostics

Assembly:

Microsoft.EntityFrameworkCore.dll

Pacote:

Microsoft.EntityFrameworkCore v9.0.0

Sobrecargas

QueryCompilationStarting(IDiagnosticsLogger<DbLoggerCategory.Query>, DbContext, ExpressionPrinter, Expression)

Logs do QueryCompilationStarting evento.

QueryCompilationStarting(IDiagnosticsLogger<DbLoggerCategory.Query>, DbContext, ExpressionPrinter, Expression)

Origem:

CoreLoggerExtensions.cs

Logs do QueryCompilationStarting evento.

public static (System.Linq.Expressions.Expression Query, Microsoft.EntityFrameworkCore.Diagnostics.QueryExpressionEventData? EventData) QueryCompilationStarting (this Microsoft.EntityFrameworkCore.Diagnostics.IDiagnosticsLogger<Microsoft.EntityFrameworkCore.DbLoggerCategory.Query> diagnostics, Microsoft.EntityFrameworkCore.DbContext? context, Microsoft.EntityFrameworkCore.Query.ExpressionPrinter expressionPrinter, System.Linq.Expressions.Expression queryExpression);

static member QueryCompilationStarting : Microsoft.EntityFrameworkCore.Diagnostics.IDiagnosticsLogger<Microsoft.EntityFrameworkCore.DbLoggerCategory.Query> * Microsoft.EntityFrameworkCore.DbContext * Microsoft.EntityFrameworkCore.Query.ExpressionPrinter * System.Linq.Expressions.Expression -> ValueTuple<System.Linq.Expressions.Expression, Microsoft.EntityFrameworkCore.Diagnostics.QueryExpressionEventData>

<Extension()>
Public Function QueryCompilationStarting (diagnostics As IDiagnosticsLogger(Of DbLoggerCategory.Query), context As DbContext, expressionPrinter As ExpressionPrinter, queryExpression As Expression) As ValueTuple(Of Expression, QueryExpressionEventData)

Parâmetros

diagnostics

IDiagnosticsLogger<DbLoggerCategory.Query>

O agente diagnóstico a ser usado.

context

DbContext

O atual DbContextou null , se não for conhecido.

expressionPrinter

ExpressionPrinter

Usado para criar uma representação legível por humanos da árvore de expressão.

queryExpression

Expression

A árvore de expressão de consulta.

Retornos

ValueTuple<Expression,QueryExpressionEventData>

A expressão de consulta e os dados do evento.