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An IGNORABLE event is added into binlog when a gap between two events is detected

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An IGNORABLE event is added into binlog when a gap between two events
is detected.

New routines create and write special events.

Special events are not sent to slaves.
This commit is contained in:
MassimilianoPinto
2016-09-16 14:55:37 +02:00
parent 8e5fa51efa
commit 26f87c2bd8
2 changed files with 198 additions and 1 deletions
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12
server/modules/routing/binlog/blr_slave.c
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@ -61,6 +61,9 @@
* 09/05/2016 Massimiliano Pinto Added SELECT USER()
* 11/07/2016 Massimiliano Pinto Added SSL backend support
* 24/08/2016 Massimiliano Pinto Added slave notification via CS_WAIT_DATA
* 16/09/2016 Massimiliano Pinto Special events created by MaxScale are not sent to slaves:
* MARIADB10_START_ENCRYPTION_EVENT or IGNORABLE_EVENT
* Events with LOG_EVENT_IGNORABLE_F are skipped as well.
*
* @endverbatim
*/
@ -2304,6 +2307,15 @@ blr_slave_catchup(ROUTER_INSTANCE *router, ROUTER_SLAVE *slave, bool large)
strcpy(binlog_name, slave->binlogfile);
binlog_pos = slave->binlog_pos;
/* Don't sent special events generated by MaxScale */
if (hdr.event_type == MARIADB10_START_ENCRYPTION_EVENT || hdr.event_type == IGNORABLE_EVENT || (hdr.flags & LOG_EVENT_IGNORABLE_F))
{
slave->binlog_pos = hdr.next_pos;
gwbuf_free(record);
record = NULL;
continue;
}
if (hdr.event_type == ROTATE_EVENT)
{
unsigned long beat1 = hkheartbeat;