BeginTask marks the beginning of a task.

FromContext returns the logger stored in the context.

InitLogger initializes Lightning's and also the TiDB library's loggers.

IsContextCanceledError returns whether the error is caused by context cancellation.

L returns the current logger for Lightning.

Level returns the current global log level.

MakeTestLogger creates a Logger instance which produces JSON logs.

NewContext returns a new context with the provided logger.

NewFilterCore returns a FilterCore, only logs under allowPackages will be written.

SetAppLogger replaces the default logger in this package to given one.

SetLevel modifies the log level of the global logger.

ShortError contructs a field which only records the error message without the verbose text (i.e.

With creates a child logger from the global logger and adds structured context to it.

Config serializes log related config in toml/json.

FilterCore is a zapcore.Core implementation, it filters log by path-qualified package name.

Logger is a simple wrapper around *zap.Logger which provides some extra methods to simplify Lightning's log usage.

Task is a logger for a task spanning a period of time.