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MDEV-26: Global transaction commit. Intermediate commit.

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Now slave records GTID in mysql.rpl_slave_state when applying XID log event.
This commit is contained in:
unknown
2012-11-05 15:01:49 +01:00
parent ab8e8f4b27
commit 03f28863e8
10 changed files with 569 additions and 31 deletions
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30
sql/slave.cc
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@@ -3724,6 +3724,15 @@ log '%s' at position %s, relay log '%s' position: %s", RPL_LOG_NAME,
goto err;
}
/* Load the set of seen GTIDs, if we did not already. */
if (rpl_load_gtid_slave_state(thd))
{
rli->report(ERROR_LEVEL, thd->stmt_da->sql_errno(),
"Unable to load replication GTID slave state from mysql.%s: %s",
rpl_gtid_slave_state_table_name.str, thd->stmt_da->message());
goto err;
}
/* execute init_slave variable */
if (opt_init_slave.length)
{
@@ -5189,6 +5198,27 @@ static Log_event* next_event(Relay_log_info* rli)
inc_event_relay_log_pos()
*/
rli->future_event_relay_log_pos= my_b_tell(cur_log);
/*
For GTID, allocate a new sub_id for the given domain_id.
The sub_id must be allocated in increasing order of binlog order.
*/
if (ev->get_type_code() == GTID_EVENT)
{
Gtid_log_event *gev= static_cast<Gtid_log_event *>(ev);
uint64 sub_id= rpl_global_gtid_slave_state.next_subid(gev->domain_id);
if (!sub_id)
{
errmsg = "slave SQL thread aborted because of out-of-memory error";
if (hot_log)
mysql_mutex_unlock(log_lock);
goto err;
}
rli->gtid_sub_id= sub_id;
rli->current_gtid.server_id= gev->server_id;
rli->current_gtid.domain_id= gev->domain_id;
rli->current_gtid.seq_no= gev->seq_no;
}
if (hot_log)
mysql_mutex_unlock(log_lock);
DBUG_RETURN(ev);