Interface IDbContextLogger

Namespace

Microsoft.EntityFrameworkCore.Diagnostics

Assembly

Microsoft.EntityFrameworkCore.dll

A simple logging interface for Entity Framework events. Used by LogTo(Action<string>, LogLevel, DbContextLoggerOptions?)

public interface IDbContextLogger

Remarks

The service lifetime is Scoped. This means that each DbContext instance will use its own instance of this service. The implementation may depend on other services registered with any lifetime. The implementation does not need to be thread-safe.

See EF Core simple logging for more information and examples.

Methods

Log(EventData)

Logs the given EventData.

void Log(EventData eventData)

Parameters

eventData EventData

The event to log.

Remarks

This method is only called if ShouldLog(EventId, LogLevel) returns true.

The specific subtype of the EventData argument is dependent on the event being logged. See CoreEventId for the type of event data used for each core event.

ShouldLog(EventId, LogLevel)

Determines whether or not the given event should be logged.

bool ShouldLog(EventId eventId, LogLevel logLevel)

Parameters

eventId EventId

The ID of the event.

logLevel LogLevel

The level of the event.

Returns

bool

Returns true if the event should be logged; false if it should be filtered out.