Class QueryExpressionEventData

Namespace

Microsoft.EntityFrameworkCore.Diagnostics

Assembly

Microsoft.EntityFrameworkCore.dll

A DiagnosticSource event payload class for events that have a query expression.

public class QueryExpressionEventData : DbContextEventData

Inheritance

object

EventData

DbContextEventData

QueryExpressionEventData

Inherited Members

DbContextEventData.Context

EventData.ToString()

EventData.EventId

EventData.LogLevel

EventData.EventIdCode

object.GetType()

object.MemberwiseClone()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

Remarks

See Logging, events, and diagnostics for more information and examples.

Constructors

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

Constructs the event payload.

public QueryExpressionEventData(EventDefinitionBase eventDefinition, Func<EventDefinitionBase, EventData, string> messageGenerator, DbContext? context, Expression queryExpression, ExpressionPrinter expressionPrinter)

Parameters

eventDefinition EventDefinitionBase

The event definition.

messageGenerator Func<EventDefinitionBase, EventData, string>

A delegate that generates a log message for this event.

context DbContext

The current DbContext, or null if not known.

queryExpression Expression

The Expression.

expressionPrinter ExpressionPrinter

An ExpressionPrinter that can be used to render the Expression.

Properties

Expression

The Expression.

public virtual Expression Expression { get; }

Property Value

Expression

ExpressionPrinter

An ExpressionPrinter that can be used to render the Expression.

public virtual ExpressionPrinter ExpressionPrinter { get; }

Property Value

ExpressionPrinter