reference_caching_setup.cc File Reference

#include "sql/reference_caching_setup.h"
#include "sql/mysqld.h"
#include "sql/sql_audit.h"

Variables
Event_reference_caching_channels *	g_event_channels {nullptr}
	All reference caching channels maintained by server to handle event tracking broadcasts. More...
const size_t	MAX_EVENT_PER_CHANNEL = 6
const char *	channel_set [][MAX_EVENT_PER_CHANNEL]
	Services handled by each channel. More...
std::pair< size_t, size_t >	channel_set_mapping []
	A Mapping to identify channel number and offset within the channel for a given event tracking service. More...

Variable Documentation

channel_set

const char* channel_set[][MAX_EVENT_PER_CHANNEL]

Services handled by each channel.

We group multiple services so that in case of cache miss, all required references are refreshed in one go.

channel_set_mapping

std::pair<size_t, size_t> channel_set_mapping[]

Initial value:

= {
    {2, 0} ,
    {0, 0} ,
    {0, 1} ,
    {0, 2} ,
    {1, 0} ,
    {3, 0} ,
    {4, 0} ,
    {0, 3} ,
    {5, 0} ,
    {5, 0} ,
    {6, 0} ,
    {0, 4} ,
}

A Mapping to identify channel number and offset within the channel for a given event tracking service.

g_event_channels

Event_reference_caching_channels* g_event_channels {nullptr}

All reference caching channels maintained by server to handle event tracking broadcasts.

MAX_EVENT_PER_CHANNEL

const size_t MAX_EVENT_PER_CHANNEL = 6