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MDEV-4506: Parallel replication: Intermediate commit.

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First step of splitting out part of Relay_log_info, so that different
event groups being applied in parallel can each use their own copy.
This commit is contained in:
unknown
2013-06-28 15:19:30 +02:00
parent 7e5dc4f074
commit 1b3dc66e31
12 changed files with 161 additions and 89 deletions
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14
sql/sql_binlog.cc
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@ -44,6 +44,7 @@
void mysql_client_binlog_statement(THD* thd)
{
struct rpl_group_info *rgi;
DBUG_ENTER("mysql_client_binlog_statement");
DBUG_PRINT("info",("binlog base64: '%*s'",
(int) (thd->lex->comment.length < 2048 ?
@ -196,6 +197,17 @@ void mysql_client_binlog_statement(THD* thd)
}
}
if (!(rgi= rli->group_info))
{
if (!(rgi= rli->group_info= (struct rpl_group_info *)
my_malloc(sizeof(*rgi), MYF(0))))
{
my_error(ER_OUTOFMEMORY, MYF(0), sizeof(*rgi));
goto end;
}
bzero(rgi, sizeof(*rgi));
}
rgi->rli= rli;
ev= Log_event::read_log_event(bufptr, event_len, &error,
rli->relay_log.description_event_for_exec,
0);
@ -232,7 +244,7 @@ void mysql_client_binlog_statement(THD* thd)
(ev->flags & LOG_EVENT_SKIP_REPLICATION_F ?
OPTION_SKIP_REPLICATION : 0);
err= ev->apply_event(rli);
err= ev->apply_event(rgi);
thd->variables.option_bits=
(thd->variables.option_bits & ~OPTION_SKIP_REPLICATION) |