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Posted by Todd Eisenberger on August 29 2013 11:57pm[Delete] [Edit]

There are two additional flags available in MySQL 5.5 (at least in 5.5.31):

/**
@def LOG_EVENT_ARTIFICIAL_F

Artificial events are created arbitarily and not written to binary
log

These events should not update the master log position when slave
SQL thread executes them.
*/
#define LOG_EVENT_ARTIFICIAL_F 0x20

/**
@def LOG_EVENT_RELAY_LOG_F

Events with this flag set are created by slave IO thread and written
to relay log
*/
#define LOG_EVENT_RELAY_LOG_F 0x40