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MDEV-26: Global transaction id. Partial commit.

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unknown
2012-10-23 11:19:42 +02:00
parent f5c3c2855d
commit be86e44280
11 changed files with 833 additions and 31 deletions
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30
sql/sql_repl.cc
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@ -616,10 +616,34 @@ send_event_to_slave(THD *thd, NET *net, String* const packet, ushort flags,
}
/*
Do not send binlog checkpoint events to a slave that does not understand it.
Replace GTID events with old-style BEGIN events for slaves that do not
understand global transaction IDs. For stand-alone events, where there is
no terminating COMMIT query event, omit the GTID event or replace it with
a dummy event, as appropriate.
*/
if (unlikely(event_type == BINLOG_CHECKPOINT_EVENT) &&
mariadb_slave_capability < MARIA_SLAVE_CAPABILITY_BINLOG_CHECKPOINT)
if (event_type == GTID_EVENT &&
mariadb_slave_capability < MARIA_SLAVE_CAPABILITY_GTID)
{
bool need_dummy=
mariadb_slave_capability < MARIA_SLAVE_CAPABILITY_TOLERATE_HOLES;
bool err= Gtid_log_event::make_compatible_event(packet, &need_dummy,
ev_offset,
current_checksum_alg);
if (err)
return "Failed to replace GTID event with backwards-compatible event: "
"currupt event.";
if (!need_dummy)
return NULL;
}
/*
Do not send binlog checkpoint or gtid list events to a slave that does not
understand it.
*/
if ((unlikely(event_type == BINLOG_CHECKPOINT_EVENT) &&
mariadb_slave_capability < MARIA_SLAVE_CAPABILITY_BINLOG_CHECKPOINT) ||
(unlikely(event_type == GTID_LIST_EVENT) &&
mariadb_slave_capability < MARIA_SLAVE_CAPABILITY_GTID))
{
if (mariadb_slave_capability >= MARIA_SLAVE_CAPABILITY_TOLERATE_HOLES)
{