Rand_log_event Class Reference

#include <log_event.h>

Inheritance diagram for Rand_log_event:

List of all members.

Public Member Functions
void	print (FILE *file, PRINT_EVENT_INFO *print_event_info)
	Rand_log_event (const char *buf, const Format_description_log_event *description_event)
Log_event_type	get_type_code ()
int	get_data_size ()
bool	is_valid () const
Public Attributes
ulonglong	seed1
ulonglong	seed2

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Detailed Description

Logs random seed used by the next RAND(), and by PASSWORD() in 4.1.0. 4.1.1 does not need it (it's repeatable again) so this event needn't be written in 4.1.1 for PASSWORD() (but the fact that it is written is just a waste, it does not cause bugs).

The state of the random number generation consists of 128 bits, which are stored internally as two 64-bit numbers.

Binary Format

The Post-Header for this event type is empty. The Body has two components:

Body for Rand_log_event

Name	Format	Description
seed1	8 byte unsigned integer	64 bit random seed1.
seed2	8 byte unsigned integer	64 bit random seed2.

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The documentation for this class was generated from the following files:

• log_event.h
• log_event.cc