Skip to content

M
MariaDB
Commit 070c147b authored by mats@romeo.(none)'s avatar mats@romeo.(none)
Browse files
Options

Merge romeo.(none):/home/bkroot/mysql-5.1-new-rpl 

into  romeo.(none):/home/bk/b23171-mysql-5.1-new-rpl
parents f0936e94 82f3f318
Show whitespace changes
Inline Side-by-side
Showing with 903 additions and 397 deletions
mysql-test/r/rpl_ndb_basic.result
View file @ 070c147b
......@@ -97,8 +97,8 @@ Replicate_Do_Table
Replicate_Ignore_Table <Replicate_Ignore_Table>
Replicate_Wild_Do_Table
Replicate_Wild_Ignore_Table
Last_Errno 146
Last_Error Error in Write_rows event: error during transaction execution on table test.t1
Last_Errno 1105
Last_Error Unknown error
Skip_Counter 0
Exec_Master_Log_Pos <Exec_Master_Log_Pos>
Relay_Log_Space <Relay_Log_Space>
......
mysql-test/r/rpl_row_tabledefs_2myisam.result
View file @ 070c147b
......@@ -122,7 +122,7 @@ Replicate_Do_Table
Replicate_Ignore_Table
Replicate_Wild_Do_Table
Replicate_Wild_Ignore_Table
Last_Errno 1364
Last_Errno 1105
Last_Error Error in Write_rows event: error during transaction execution on table test.t1_nodef
Skip_Counter 0
Exec_Master_Log_Pos #
......
mysql-test/r/rpl_row_tabledefs_3innodb.result
View file @ 070c147b
......@@ -122,7 +122,7 @@ Replicate_Do_Table
Replicate_Ignore_Table
Replicate_Wild_Do_Table
Replicate_Wild_Ignore_Table
Last_Errno 1364
Last_Errno 1105
Last_Error Error in Write_rows event: error during transaction execution on table test.t1_nodef
Skip_Counter 0
Exec_Master_Log_Pos #
......
sql/log.cc
View file @ 070c147b
......@@ -1548,7 +1548,13 @@ static int binlog_commit(handlerton *hton, THD *thd, bool all)
(binlog_trx_data*) thd->ha_data[binlog_hton->slot];
DBUG_ASSERT(mysql_bin_log.is_open());
if (all && trx_data->empty())
/*
The condition here has to be identical to the one inside
binlog_end_trans(), guarding the write of the transaction cache to
the binary log.
*/
if ((all || !(thd->options & (OPTION_BEGIN | OPTION_NOT_AUTOCOMMIT))) &&
trx_data->empty())
{
// we're here because trans_log was flushed in MYSQL_BIN_LOG::log_xid()
trx_data->reset();
......@@ -2499,7 +2505,7 @@ bool MYSQL_BIN_LOG::open(const char *log_name,
/*
Set 'created' to 0, so that in next relay logs this event does not
trigger cleaning actions on the slave in
Format_description_log_event::exec_event().
Format_description_log_event::apply_event_impl().
*/
description_event_for_queue->created= 0;
/* Don't set log_pos in event header */
......@@ -3206,8 +3212,10 @@ void MYSQL_BIN_LOG::new_file_impl(bool need_lock)
{
tc_log_page_waits++;
pthread_mutex_lock(&LOCK_prep_xids);
while (prepared_xids)
while (prepared_xids) {
DBUG_PRINT("info", ("prepared_xids=%lu", prepared_xids));
pthread_cond_wait(&COND_prep_xids, &LOCK_prep_xids);
}
pthread_mutex_unlock(&LOCK_prep_xids);
}
......@@ -5061,8 +5069,10 @@ void TC_LOG_BINLOG::unlog(ulong cookie, my_xid xid)
{
pthread_mutex_lock(&LOCK_prep_xids);
DBUG_ASSERT(prepared_xids > 0);
if (--prepared_xids == 0)
if (--prepared_xids == 0) {
DBUG_PRINT("info", ("prepared_xids=%lu", prepared_xids));
pthread_cond_signal(&COND_prep_xids);
}
pthread_mutex_unlock(&LOCK_prep_xids);
rotate_and_purge(0); // as ::write() did not rotate
}
......
sql/log_event.cc
View file @ 070c147b
......@@ -88,9 +88,10 @@ class Write_on_release_cache
operator&()
DESCRIPTION
Function to return a pointer to the internal, so that the object
can be treated as a IO_CACHE and used with the my_b_* IO_CACHE
functions
Function to return a pointer to the internal cache, so that the
object can be treated as a IO_CACHE and used with the my_b_*
IO_CACHE functions
RETURN VALUE
A pointer to the internal IO_CACHE.
......@@ -531,25 +532,19 @@ Log_event::Log_event(const char* buf,
#ifndef MYSQL_CLIENT
#ifdef HAVE_REPLICATION
/*
Log_event::exec_event()
*/
int Log_event::exec_event(struct st_relay_log_info* rli)
int Log_event::do_update_pos(RELAY_LOG_INFO *rli)
{
DBUG_ENTER("Log_event::exec_event");
/*
rli is null when (as far as I (Guilhem) know)
the caller is
Load_log_event::exec_event *and* that one is called from
Execute_load_log_event::exec_event.
In this case, we don't do anything here ;
Execute_load_log_event::exec_event will call Log_event::exec_event
again later with the proper rli.
Strictly speaking, if we were sure that rli is null
only in the case discussed above, 'if (rli)' is useless here.
But as we are not 100% sure, keep it for now.
rli is null when (as far as I (Guilhem) know) the caller is
Load_log_event::do_apply_event *and* that one is called from
Execute_load_log_event::do_apply_event. In this case, we don't
do anything here ; Execute_load_log_event::do_apply_event will
call Log_event::do_apply_event again later with the proper rli.
Strictly speaking, if we were sure that rli is null only in the
case discussed above, 'if (rli)' is useless here. But as we are
not 100% sure, keep it for now.
Matz: I don't think we will need this check with this refactoring.
*/
if (rli)
{
......@@ -585,17 +580,36 @@ int Log_event::exec_event(struct st_relay_log_info* rli)
rli->inc_group_relay_log_pos(log_pos);
flush_relay_log_info(rli);
/*
Note that Rotate_log_event::exec_event() does not call this
function, so there is no chance that a fake rotate event resets
last_master_timestamp.
Note that we update without mutex (probably ok - except in some very
rare cases, only consequence is that value may take some time to
display in Seconds_Behind_Master - not critical).
Note that Rotate_log_event::do_apply_event() does not call
this function, so there is no chance that a fake rotate event
resets last_master_timestamp. Note that we update without
mutex (probably ok - except in some very rare cases, only
consequence is that value may take some time to display in
Seconds_Behind_Master - not critical).
*/
rli->last_master_timestamp= when;
}
}
DBUG_RETURN(0);
return 0; // Cannot fail currently
}
Log_event::enum_skip_reason
Log_event::do_shall_skip(RELAY_LOG_INFO *rli)
{
DBUG_PRINT("info", ("ev->server_id=%lu, ::server_id=%lu,"
" rli->replicate_same_server_id=%d,"
" rli->slave_skip_counter=%d",
(ulong) server_id, (ulong) ::server_id,
rli->replicate_same_server_id,
rli->slave_skip_counter));
if (server_id == ::server_id && !rli->replicate_same_server_id)
return EVENT_SKIP_IGNORE;
else if (rli->slave_skip_counter > 0)
return EVENT_SKIP_COUNT;
else
return EVENT_SKIP_NOT;
}
......@@ -742,7 +756,7 @@ int Log_event::read_log_event(IO_CACHE* file, String* packet,
ulong data_len;
int result=0;
char buf[LOG_EVENT_MINIMAL_HEADER_LEN];
DBUG_ENTER("read_log_event");
DBUG_ENTER("Log_event::read_log_event");
if (log_lock)
pthread_mutex_lock(log_lock);
......@@ -817,7 +831,7 @@ Log_event* Log_event::read_log_event(IO_CACHE* file,
const Format_description_log_event *description_event)
#endif
{
DBUG_ENTER("Log_event::read_log_event(IO_CACHE *, Format_description_log_event *");
DBUG_ENTER("Log_event::read_log_event");
DBUG_ASSERT(description_event != 0);
char head[LOG_EVENT_MINIMAL_HEADER_LEN];
/*
......@@ -1887,27 +1901,28 @@ void Query_log_event::print(FILE* file, PRINT_EVENT_INFO* print_event_info)
/*
Query_log_event::exec_event()
Query_log_event::do_apply_event()
*/
#if defined(HAVE_REPLICATION) && !defined(MYSQL_CLIENT)
int Query_log_event::exec_event(struct st_relay_log_info* rli)
int Query_log_event::do_apply_event(RELAY_LOG_INFO const *rli)
{
return exec_event(rli, query, q_len);
return do_apply_event(rli, query, q_len);
}
int Query_log_event::exec_event(struct st_relay_log_info* rli,
int Query_log_event::do_apply_event(RELAY_LOG_INFO const *rli,
const char *query_arg, uint32 q_len_arg)
{
LEX_STRING new_db;
int expected_error,actual_error= 0;
/*
Colleagues: please never free(thd->catalog) in MySQL. This would lead to
bugs as here thd->catalog is a part of an alloced block, not an entire
alloced block (see Query_log_event::exec_event()). Same for thd->db.
Thank you.
Colleagues: please never free(thd->catalog) in MySQL. This would
lead to bugs as here thd->catalog is a part of an alloced block,
not an entire alloced block (see
Query_log_event::do_apply_event()). Same for thd->db. Thank
you.
*/
thd->catalog= catalog_len ? (char *) catalog : (char *)"";
new_db.length= db_len;
......@@ -1926,11 +1941,11 @@ int Query_log_event::exec_event(struct st_relay_log_info* rli,
END of the current log event (COMMIT). We save it in rli so that InnoDB can
access it.
*/
rli->future_group_master_log_pos= log_pos;
const_cast<RELAY_LOG_INFO*>(rli)->future_group_master_log_pos= log_pos;
DBUG_PRINT("info", ("log_pos: %lu", (ulong) log_pos));
clear_all_errors(thd, rli);
rli->clear_tables_to_lock();
clear_all_errors(thd, const_cast<RELAY_LOG_INFO*>(rli));
const_cast<RELAY_LOG_INFO*>(rli)->clear_tables_to_lock();
/*
Note: We do not need to execute reset_one_shot_variables() if this
......@@ -1939,8 +1954,8 @@ int Query_log_event::exec_event(struct st_relay_log_info* rli,
its companion query. If the SET is ignored because of
db_ok(), the companion query will also be ignored, and if
the companion query is ignored in the db_ok() test of
::exec_event(), then the companion SET also have so we
don't need to reset_one_shot_variables().
::do_apply_event(), then the companion SET also have so
we don't need to reset_one_shot_variables().
*/
if (rpl_filter->db_ok(thd->db))
{
......@@ -2056,7 +2071,7 @@ int Query_log_event::exec_event(struct st_relay_log_info* rli,
to check/fix it.
*/
if (mysql_test_parse_for_slave(thd, thd->query, thd->query_length))
clear_all_errors(thd, rli); /* Can ignore query */
clear_all_errors(thd, const_cast<RELAY_LOG_INFO*>(rli)); /* Can ignore query */
else
{
slave_print_msg(ERROR_LEVEL, rli, expected_error,
......@@ -2107,7 +2122,7 @@ Default database: '%s'. Query: '%s'",
ignored_error_code(actual_error))
{
DBUG_PRINT("info",("error ignored"));
clear_all_errors(thd, rli);
clear_all_errors(thd, const_cast<RELAY_LOG_INFO*>(rli));
}
/*
Other cases: mostly we expected no error and get one.
......@@ -2174,16 +2189,26 @@ Default database: '%s'. Query: '%s'",
thd->first_successful_insert_id_in_prev_stmt= 0;
thd->stmt_depends_on_first_successful_insert_id_in_prev_stmt= 0;
free_root(thd->mem_root,MYF(MY_KEEP_PREALLOC));
return thd->query_error;
}
int Query_log_event::do_update_pos(RELAY_LOG_INFO *rli)
{
/*
If there was an error we stop. Otherwise we increment positions. Note that
we will not increment group* positions if we are just after a SET
ONE_SHOT, because SET ONE_SHOT should not be separated from its following
updating query.
Note that we will not increment group* positions if we are just
after a SET ONE_SHOT, because SET ONE_SHOT should not be separated
from its following updating query.
*/
return (thd->query_error ? thd->query_error :
(thd->one_shot_set ? (rli->inc_event_relay_log_pos(),0) :
Log_event::exec_event(rli)));
if (thd->one_shot_set)
{
rli->inc_event_relay_log_pos();
return 0;
}
else
return Log_event::do_update_pos(rli);
}
#endif
......@@ -2312,7 +2337,7 @@ bool Start_log_event_v3::write(IO_CACHE* file)
/*
Start_log_event_v3::exec_event()
Start_log_event_v3::do_apply_event()
The master started
......@@ -2331,9 +2356,9 @@ bool Start_log_event_v3::write(IO_CACHE* file)
*/
#if defined(HAVE_REPLICATION) && !defined(MYSQL_CLIENT)
int Start_log_event_v3::exec_event(struct st_relay_log_info* rli)
int Start_log_event_v3::do_apply_event(RELAY_LOG_INFO const *rli)
{
DBUG_ENTER("Start_log_event_v3::exec_event");
DBUG_ENTER("Start_log_event_v3::do_apply_event");
switch (binlog_version)
{
case 3:
......@@ -2375,7 +2400,7 @@ int Start_log_event_v3::exec_event(struct st_relay_log_info* rli)
/* this case is impossible */
DBUG_RETURN(1);
}
DBUG_RETURN(Log_event::exec_event(rli));
DBUG_RETURN(0);
}
#endif /* defined(HAVE_REPLICATION) && !defined(MYSQL_CLIENT) */
......@@ -2566,24 +2591,10 @@ bool Format_description_log_event::write(IO_CACHE* file)
}
#endif
/*
SYNOPSIS
Format_description_log_event::exec_event()
IMPLEMENTATION
Save the information which describes the binlog's format, to be able to
read all coming events.
Call Start_log_event_v3::exec_event().
*/
#if defined(HAVE_REPLICATION) && !defined(MYSQL_CLIENT)
int Format_description_log_event::exec_event(struct st_relay_log_info* rli)
int Format_description_log_event::do_apply_event(RELAY_LOG_INFO const *rli)
{
DBUG_ENTER("Format_description_log_event::exec_event");
/* save the information describing this binlog */
delete rli->relay_log.description_event_for_exec;
rli->relay_log.description_event_for_exec= this;
DBUG_ENTER("Format_description_log_event::do_apply_event");
#ifdef USING_TRANSACTIONS
/*
......@@ -2605,14 +2616,36 @@ int Format_description_log_event::exec_event(struct st_relay_log_info* rli)
"or ROLLBACK in relay log). A probable cause is that "
"the master died while writing the transaction to "
"its binary log, thus rolled back too.");
rli->cleanup_context(thd, 1);
const_cast<RELAY_LOG_INFO*>(rli)->cleanup_context(thd, 1);
}
#endif
/*
If this event comes from ourselves, there is no cleaning task to perform,
we don't call Start_log_event_v3::exec_event() (this was just to update the
log's description event).
If this event comes from ourselves, there is no cleaning task to
perform, we don't call Start_log_event_v3::do_apply_event()
(this was just to update the log's description event).
*/
if (server_id != (uint32) ::server_id)
{
/*
If the event was not requested by the slave i.e. the master sent
it while the slave asked for a position >4, the event will make
rli->group_master_log_pos advance. Say that the slave asked for
position 1000, and the Format_desc event's end is 96. Then in
the beginning of replication rli->group_master_log_pos will be
0, then 96, then jump to first really asked event (which is
>96). So this is ok.
*/
DBUG_RETURN(Start_log_event_v3::do_apply_event(rli));
}
DBUG_RETURN(0);
}
int Format_description_log_event::do_update_pos(RELAY_LOG_INFO *rli)
{
/* save the information describing this binlog */
delete rli->relay_log.description_event_for_exec;
rli->relay_log.description_event_for_exec= this;
if (server_id == (uint32) ::server_id)
{
/*
......@@ -2629,19 +2662,20 @@ int Format_description_log_event::exec_event(struct st_relay_log_info* rli)
the Intvar_log_event respectively.
*/
rli->inc_event_relay_log_pos();
DBUG_RETURN(0);
return 0;
}
else
{
return Log_event::do_update_pos(rli);
}
}
/*
If the event was not requested by the slave i.e. the master sent it while
the slave asked for a position >4, the event will make
rli->group_master_log_pos advance. Say that the slave asked for position
1000, and the Format_desc event's end is 96. Then in the beginning of
replication rli->group_master_log_pos will be 0, then 96, then jump to
first really asked event (which is >96). So this is ok.
*/
DBUG_RETURN(Start_log_event_v3::exec_event(rli));
Log_event::enum_skip_reason
Format_description_log_event::do_shall_skip(RELAY_LOG_INFO *rli)
{
return Log_event::EVENT_SKIP_NOT;
}
#endif
......@@ -3155,19 +3189,21 @@ void Load_log_event::set_fields(const char* affected_db,
Does the data loading job when executing a LOAD DATA on the slave
SYNOPSIS
Load_log_event::exec_event
Load_log_event::do_apply_event
net
rli
use_rli_only_for_errors - if set to 1, rli is provided to
Load_log_event::exec_event only for this
function to have RPL_LOG_NAME and
rli->last_slave_error, both being used by
error reports. rli's position advancing
is skipped (done by the caller which is
Execute_load_log_event::exec_event).
- if set to 0, rli is provided for full use,
i.e. for error reports and position
advancing.
Load_log_event::do_apply_event
only for this function to have
RPL_LOG_NAME and
rli->last_slave_error, both being
used by error reports. rli's
position advancing is skipped (done
by the caller which is
Execute_load_log_event::do_apply_event).
- if set to 0, rli is provided for
full use, i.e. for error reports and
position advancing.
DESCRIPTION
Does the data loading job when executing a LOAD DATA on the slave
......@@ -3177,7 +3213,7 @@ void Load_log_event::set_fields(const char* affected_db,
1 Failure
*/
int Load_log_event::exec_event(NET* net, struct st_relay_log_info* rli,
int Load_log_event::do_apply_event(NET* net, RELAY_LOG_INFO const *rli,
bool use_rli_only_for_errors)
{
LEX_STRING new_db;
......@@ -3187,9 +3223,9 @@ int Load_log_event::exec_event(NET* net, struct st_relay_log_info* rli,
DBUG_ASSERT(thd->query == 0);
thd->query_length= 0; // Should not be needed
thd->query_error= 0;
clear_all_errors(thd, rli);
clear_all_errors(thd, const_cast<RELAY_LOG_INFO*>(rli));
/* see Query_log_event::exec_event() and BUG#13360 */
/* see Query_log_event::do_apply_event() and BUG#13360 */
DBUG_ASSERT(!rli->m_table_map.count());
/*
Usually mysql_init_query() is called by mysql_parse(), but we need it here
......@@ -3198,22 +3234,26 @@ int Load_log_event::exec_event(NET* net, struct st_relay_log_info* rli,
mysql_init_query(thd, 0, 0);
if (!use_rli_only_for_errors)
{
/* Saved for InnoDB, see comment in Query_log_event::exec_event() */
rli->future_group_master_log_pos= log_pos;
/*
Saved for InnoDB, see comment in
Query_log_event::do_apply_event()
*/
const_cast<RELAY_LOG_INFO*>(rli)->future_group_master_log_pos= log_pos;
DBUG_PRINT("info", ("log_pos: %lu", (ulong) log_pos));
}
/*
We test replicate_*_db rules. Note that we have already prepared the file
to load, even if we are going to ignore and delete it now. So it is
possible that we did a lot of disk writes for nothing. In other words, a
big LOAD DATA INFILE on the master will still consume a lot of space on
the slave (space in the relay log + space of temp files: twice the space
of the file to load...) even if it will finally be ignored.
TODO: fix this; this can be done by testing rules in
Create_file_log_event::exec_event() and then discarding Append_block and
al. Another way is do the filtering in the I/O thread (more efficient: no
disk writes at all).
We test replicate_*_db rules. Note that we have already prepared
the file to load, even if we are going to ignore and delete it
now. So it is possible that we did a lot of disk writes for
nothing. In other words, a big LOAD DATA INFILE on the master will
still consume a lot of space on the slave (space in the relay log
+ space of temp files: twice the space of the file to load...)
even if it will finally be ignored. TODO: fix this; this can be
done by testing rules in Create_file_log_event::do_apply_event()
and then discarding Append_block and al. Another way is do the
filtering in the I/O thread (more efficient: no disk writes at
all).
Note: We do not need to execute reset_one_shot_variables() if this
......@@ -3222,8 +3262,8 @@ int Load_log_event::exec_event(NET* net, struct st_relay_log_info* rli,
its companion query. If the SET is ignored because of
db_ok(), the companion query will also be ignored, and if
the companion query is ignored in the db_ok() test of
::exec_event(), then the companion SET also have so we
don't need to reset_one_shot_variables().
::do_apply_event(), then the companion SET also have so
we don't need to reset_one_shot_variables().
*/
if (rpl_filter->db_ok(thd->db))
{
......@@ -3419,7 +3459,7 @@ Fatal error running LOAD DATA INFILE on table '%s'. Default database: '%s'",
return 1;
}
return ( use_rli_only_for_errors ? 0 : Log_event::exec_event(rli) );
return ( use_rli_only_for_errors ? 0 : Log_event::do_apply_event(rli) );
}
#endif
......@@ -3513,6 +3553,7 @@ Rotate_log_event::Rotate_log_event(const char* buf, uint event_len,
ident_offset = post_header_len;
set_if_smaller(ident_len,FN_REFLEN-1);
new_log_ident= my_strndup(buf + ident_offset, (uint) ident_len, MYF(MY_WME));
DBUG_PRINT("debug", ("new_log_ident: '%s'", new_log_ident));
DBUG_VOID_RETURN;
}
......@@ -3532,8 +3573,20 @@ bool Rotate_log_event::write(IO_CACHE* file)
}
#endif
/**
Helper function to detect if the event is inside a group.
*/
#if defined(HAVE_REPLICATION) && !defined(MYSQL_CLIENT)
static bool is_in_group(THD *const thd, RELAY_LOG_INFO *const rli)
{
return (thd->options & OPTION_BEGIN) != 0 ||
(rli->last_event_start_time > 0);
}
#endif
/*
Rotate_log_event::exec_event()
Rotate_log_event::do_apply_event()
Got a rotate log event from the master
......@@ -3550,34 +3603,49 @@ bool Rotate_log_event::write(IO_CACHE* file)
*/
#if defined(HAVE_REPLICATION) && !defined(MYSQL_CLIENT)
int Rotate_log_event::exec_event(struct st_relay_log_info* rli)
int Rotate_log_event::do_update_pos(RELAY_LOG_INFO *rli)
{
DBUG_ENTER("Rotate_log_event::exec_event");
DBUG_ENTER("Rotate_log_event::do_update_pos");
#ifndef DBUG_OFF
char buf[32];
#endif
DBUG_PRINT("info", ("server_id=%lu; ::server_id=%lu",
(ulong) this->server_id, (ulong) ::server_id));
DBUG_PRINT("info", ("new_log_ident: %s", this->new_log_ident));
DBUG_PRINT("info", ("pos: %s", llstr(this->pos, buf)));
pthread_mutex_lock(&rli->data_lock);
rli->event_relay_log_pos= my_b_tell(rli->cur_log);
/*
If we are in a transaction: the only normal case is when the I/O thread was
copying a big transaction, then it was stopped and restarted: we have this
in the relay log:
If we are in a transaction or in a group: the only normal case is
when the I/O thread was copying a big transaction, then it was
stopped and restarted: we have this in the relay log:
BEGIN
...
ROTATE (a fake one)
...
COMMIT or ROLLBACK
In that case, we don't want to touch the coordinates which correspond to
the beginning of the transaction.
Starting from 5.0.0, there also are some rotates from the slave itself, in
the relay log.
In that case, we don't want to touch the coordinates which
correspond to the beginning of the transaction. Starting from
5.0.0, there also are some rotates from the slave itself, in the
relay log, which shall not change the group positions.
*/
if (!(thd->options & OPTION_BEGIN))
if ((server_id != ::server_id || rli->replicate_same_server_id) &&
!is_in_group(thd, rli))
{
DBUG_PRINT("info", ("old group_master_log_name: '%s' "
"old group_master_log_pos: %lu",
rli->group_master_log_name,
(ulong) rli->group_master_log_pos));
memcpy(rli->group_master_log_name, new_log_ident, ident_len+1);
rli->notify_group_master_log_name_update();
rli->group_master_log_pos= pos;
rli->group_relay_log_pos= rli->event_relay_log_pos;
DBUG_PRINT("info", ("group_master_log_name: '%s' "
"group_master_log_pos: %lu",
DBUG_PRINT("info", ("new group_master_log_name: '%s' "
"new group_master_log_pos: %lu",
rli->group_master_log_name,
(ulong) rli->group_master_log_pos));
/*
......@@ -3596,8 +3664,27 @@ int Rotate_log_event::exec_event(struct st_relay_log_info* rli)
pthread_mutex_unlock(&rli->data_lock);
pthread_cond_broadcast(&rli->data_cond);
flush_relay_log_info(rli);
DBUG_RETURN(0);
}
Log_event::enum_skip_reason
Rotate_log_event::do_shall_skip(RELAY_LOG_INFO *rli)
{
enum_skip_reason reason= Log_event::do_shall_skip(rli);
switch (reason) {
case Log_event::EVENT_SKIP_NOT:
case Log_event::EVENT_SKIP_COUNT:
return Log_event::EVENT_SKIP_NOT;
case Log_event::EVENT_SKIP_IGNORE:
return Log_event::EVENT_SKIP_IGNORE;
}
DBUG_ASSERT(0);
}
#endif
......@@ -3704,11 +3791,11 @@ void Intvar_log_event::print(FILE* file, PRINT_EVENT_INFO* print_event_info)
/*
Intvar_log_event::exec_event()
Intvar_log_event::do_apply_event()
*/
#if defined(HAVE_REPLICATION)&& !defined(MYSQL_CLIENT)
int Intvar_log_event::exec_event(struct st_relay_log_info* rli)
int Intvar_log_event::do_apply_event(RELAY_LOG_INFO const *rli)
{
switch (type) {
case LAST_INSERT_ID_EVENT:
......@@ -3719,9 +3806,33 @@ int Intvar_log_event::exec_event(struct st_relay_log_info* rli)
thd->force_one_auto_inc_interval(val);
break;
}
return 0;
}
int Intvar_log_event::do_update_pos(RELAY_LOG_INFO *rli)
{
rli->inc_event_relay_log_pos();
return 0;
}
Log_event::enum_skip_reason
Intvar_log_event::do_shall_skip(RELAY_LOG_INFO *rli)
{
/*
It is a common error to set the slave skip counter to 1 instead of
2 when recovering from an insert which used a auto increment,
rand, or user var. Therefore, if the slave skip counter is 1, we
just say that this event should be skipped by ignoring it, meaning
that we do not change the value of the slave skip counter since it
will be decreased by the following insert event.
*/
if (rli->slave_skip_counter == 1)
return Log_event::EVENT_SKIP_IGNORE;
else
return Log_event::do_shall_skip(rli);
}
#endif
......@@ -3784,13 +3895,37 @@ void Rand_log_event::print(FILE* file, PRINT_EVENT_INFO* print_event_info)
#if defined(HAVE_REPLICATION) && !defined(MYSQL_CLIENT)
int Rand_log_event::exec_event(struct st_relay_log_info* rli)
int Rand_log_event::do_apply_event(RELAY_LOG_INFO const *rli)
{
thd->rand.seed1= (ulong) seed1;
thd->rand.seed2= (ulong) seed2;
return 0;
}
int Rand_log_event::do_update_pos(RELAY_LOG_INFO *rli)
{
rli->inc_event_relay_log_pos();
return 0;
}
Log_event::enum_skip_reason
Rand_log_event::do_shall_skip(RELAY_LOG_INFO *rli)
{
/*
It is a common error to set the slave skip counter to 1 instead of
2 when recovering from an insert which used a auto increment,
rand, or user var. Therefore, if the slave skip counter is 1, we
just say that this event should be skipped by ignoring it, meaning
that we do not change the value of the slave skip counter since it
will be decreased by the following insert event.
*/
if (rli->slave_skip_counter == 1)
return Log_event::EVENT_SKIP_IGNORE;
else
return Log_event::do_shall_skip(rli);
}
#endif /* !MYSQL_CLIENT */
......@@ -3857,12 +3992,12 @@ void Xid_log_event::print(FILE* file, PRINT_EVENT_INFO* print_event_info)
#if defined(HAVE_REPLICATION) && !defined(MYSQL_CLIENT)
int Xid_log_event::exec_event(struct st_relay_log_info* rli)
int Xid_log_event::do_apply_event(RELAY_LOG_INFO const *rli)
{
/* For a slave Xid_log_event is COMMIT */
general_log_print(thd, COM_QUERY,
"COMMIT /* implicit, from Xid_log_event */");
return end_trans(thd, COMMIT) || Log_event::exec_event(rli);
return end_trans(thd, COMMIT);
}
#endif /* !MYSQL_CLIENT */
......@@ -4140,11 +4275,11 @@ void User_var_log_event::print(FILE* file, PRINT_EVENT_INFO* print_event_info)
/*
User_var_log_event::exec_event()
User_var_log_event::do_apply_event()
*/
#if defined(HAVE_REPLICATION) && !defined(MYSQL_CLIENT)
int User_var_log_event::exec_event(struct st_relay_log_info* rli)
int User_var_log_event::do_apply_event(RELAY_LOG_INFO const *rli)
{
Item *it= 0;
CHARSET_INFO *charset;
......@@ -4206,9 +4341,31 @@ int User_var_log_event::exec_event(struct st_relay_log_info* rli)
e.update_hash(val, val_len, type, charset, DERIVATION_IMPLICIT, 0);
free_root(thd->mem_root,0);
return 0;
}
int User_var_log_event::do_update_pos(RELAY_LOG_INFO *rli)
{
rli->inc_event_relay_log_pos();
return 0;
}
Log_event::enum_skip_reason
User_var_log_event::do_shall_skip(RELAY_LOG_INFO *rli)
{
/*
It is a common error to set the slave skip counter to 1 instead
of 2 when recovering from an insert which used a auto increment,
rand, or user var. Therefore, if the slave skip counter is 1, we
just say that this event should be skipped by ignoring it, meaning
that we do not change the value of the slave skip counter since it
will be decreased by the following insert event.
*/
if (rli->slave_skip_counter == 1)
return Log_event::EVENT_SKIP_IGNORE;
else
return Log_event::do_shall_skip(rli);
}
#endif /* !MYSQL_CLIENT */
......@@ -4248,7 +4405,7 @@ void Slave_log_event::pack_info(Protocol *protocol)
#ifndef MYSQL_CLIENT
Slave_log_event::Slave_log_event(THD* thd_arg,
struct st_relay_log_info* rli)
RELAY_LOG_INFO* rli)
:Log_event(thd_arg, 0, 0) , mem_pool(0), master_host(0)
{
DBUG_ENTER("Slave_log_event");
......@@ -4358,11 +4515,11 @@ Slave_log_event::Slave_log_event(const char* buf, uint event_len)
#ifndef MYSQL_CLIENT
int Slave_log_event::exec_event(struct st_relay_log_info* rli)
int Slave_log_event::do_apply_event(RELAY_LOG_INFO const *rli)
{
if (mysql_bin_log.is_open())
mysql_bin_log.write(this);
return Log_event::exec_event(rli);
return 0;
}
#endif /* !MYSQL_CLIENT */
......@@ -4391,21 +4548,21 @@ void Stop_log_event::print(FILE* file, PRINT_EVENT_INFO* print_event_info)
/*
Stop_log_event::exec_event()
The master stopped.
We used to clean up all temporary tables but this is useless as, as the
master has shut down properly, it has written all DROP TEMPORARY TABLE
(prepared statements' deletion is TODO only when we binlog prep stmts).
We used to clean up slave_load_tmpdir, but this is useless as it has been
cleared at the end of LOAD DATA INFILE.
So we have nothing to do here.
The place were we must do this cleaning is in Start_log_event_v3::exec_event(),
not here. Because if we come here, the master was sane.
Stop_log_event::do_apply_event()
The master stopped. We used to clean up all temporary tables but
this is useless as, as the master has shut down properly, it has
written all DROP TEMPORARY TABLE (prepared statements' deletion is
TODO only when we binlog prep stmts). We used to clean up
slave_load_tmpdir, but this is useless as it has been cleared at the
end of LOAD DATA INFILE. So we have nothing to do here. The place
were we must do this cleaning is in
Start_log_event_v3::do_apply_event(), not here. Because if we come
here, the master was sane.
*/
#ifndef MYSQL_CLIENT
int Stop_log_event::exec_event(struct st_relay_log_info* rli)
int Stop_log_event::do_update_pos(RELAY_LOG_INFO *rli)
{
/*
We do not want to update master_log pos because we get a rotate event
......@@ -4423,6 +4580,7 @@ int Stop_log_event::exec_event(struct st_relay_log_info* rli)
}
return 0;
}
#endif /* !MYSQL_CLIENT */
#endif /* HAVE_REPLICATION */
......@@ -4613,11 +4771,11 @@ void Create_file_log_event::pack_info(Protocol *protocol)
/*
Create_file_log_event::exec_event()
Create_file_log_event::do_apply_event()
*/
#if defined(HAVE_REPLICATION) && !defined(MYSQL_CLIENT)
int Create_file_log_event::exec_event(struct st_relay_log_info* rli)
int Create_file_log_event::do_apply_event(RELAY_LOG_INFO const *rli)
{
char proc_info[17+FN_REFLEN+10], *fname_buf;
char *ext;
......@@ -4679,7 +4837,7 @@ int Create_file_log_event::exec_event(struct st_relay_log_info* rli)
if (fd >= 0)
my_close(fd, MYF(0));
thd->proc_info= 0;
return error ? 1 : Log_event::exec_event(rli);
return error == 0;
}
#endif /* defined(HAVE_REPLICATION) && !defined(MYSQL_CLIENT) */
......@@ -4787,15 +4945,15 @@ int Append_block_log_event::get_create_or_append() const
}
/*
Append_block_log_event::exec_event()
Append_block_log_event::do_apply_event()
*/
int Append_block_log_event::exec_event(struct st_relay_log_info* rli)
int Append_block_log_event::do_apply_event(RELAY_LOG_INFO const *rli)
{
char proc_info[17+FN_REFLEN+10], *fname= proc_info+17;
int fd;
int error = 1;
DBUG_ENTER("Append_block_log_event::exec_event");
DBUG_ENTER("Append_block_log_event::do_apply_event");
fname= strmov(proc_info, "Making temp file ");
slave_load_file_stem(fname, file_id, server_id, ".data");
......@@ -4834,7 +4992,7 @@ int Append_block_log_event::exec_event(struct st_relay_log_info* rli)
if (fd >= 0)
my_close(fd, MYF(0));
thd->proc_info= 0;
DBUG_RETURN(error ? error : Log_event::exec_event(rli));
DBUG_RETURN(error);
}
#endif
......@@ -4918,18 +5076,18 @@ void Delete_file_log_event::pack_info(Protocol *protocol)
#endif
/*
Delete_file_log_event::exec_event()
Delete_file_log_event::do_apply_event()
*/
#if defined(HAVE_REPLICATION) && !defined(MYSQL_CLIENT)
int Delete_file_log_event::exec_event(struct st_relay_log_info* rli)
int Delete_file_log_event::do_apply_event(RELAY_LOG_INFO const *rli)
{
char fname[FN_REFLEN+10];
char *ext= slave_load_file_stem(fname, file_id, server_id, ".data");
(void) my_delete(fname, MYF(MY_WME));
strmov(ext, ".info");
(void) my_delete(fname, MYF(MY_WME));
return Log_event::exec_event(rli);
return 0;
}
#endif /* defined(HAVE_REPLICATION) && !defined(MYSQL_CLIENT) */
......@@ -5015,10 +5173,10 @@ void Execute_load_log_event::pack_info(Protocol *protocol)
/*
Execute_load_log_event::exec_event()
Execute_load_log_event::do_apply_event()
*/
int Execute_load_log_event::exec_event(struct st_relay_log_info* rli)
int Execute_load_log_event::do_apply_event(RELAY_LOG_INFO const *rli)
{
char fname[FN_REFLEN+10];
char *ext;
......@@ -5049,14 +5207,15 @@ int Execute_load_log_event::exec_event(struct st_relay_log_info* rli)
lev->thd = thd;
/*
lev->exec_event should use rli only for errors
i.e. should not advance rli's position.
lev->exec_event is the place where the table is loaded (it calls
mysql_load()).
lev->do_apply_event should use rli only for errors i.e. should
not advance rli's position.
lev->do_apply_event is the place where the table is loaded (it
calls mysql_load()).
*/
rli->future_group_master_log_pos= log_pos;
if (lev->exec_event(0,rli,1))
const_cast<RELAY_LOG_INFO*>(rli)->future_group_master_log_pos= log_pos;
if (lev->do_apply_event(0,rli,1))
{
/*
We want to indicate the name of the file that could not be loaded
......@@ -5099,7 +5258,7 @@ int Execute_load_log_event::exec_event(struct st_relay_log_info* rli)
my_close(fd, MYF(0));
end_io_cache(&file);
}
return error ? error : Log_event::exec_event(rli);
return error;
}
#endif /* defined(HAVE_REPLICATION) && !defined(MYSQL_CLIENT) */
......@@ -5267,7 +5426,7 @@ void Execute_load_query_log_event::pack_info(Protocol *protocol)
int
Execute_load_query_log_event::exec_event(struct st_relay_log_info* rli)
Execute_load_query_log_event::do_apply_event(RELAY_LOG_INFO const *rli)
{
char *p;
char *buf;
......@@ -5304,7 +5463,7 @@ Execute_load_query_log_event::exec_event(struct st_relay_log_info* rli)
p= strmake(p, STRING_WITH_LEN(" INTO"));
p= strmake(p, query+fn_pos_end, q_len-fn_pos_end);
error= Query_log_event::exec_event(rli, buf, p-buf);
error= Query_log_event::do_apply_event(rli, buf, p-buf);
/* Forging file name for deletion in same buffer */
*fname_end= 0;
......@@ -5624,7 +5783,7 @@ int Rows_log_event::do_add_row_data(byte *const row_data,
the master does not have a default value (and isn't nullable)
*/
static int
unpack_row(RELAY_LOG_INFO *rli,
unpack_row(RELAY_LOG_INFO const *rli,
TABLE *table, uint const colcnt,
char const *row, MY_BITMAP const *cols,
char const **row_end, ulong *master_reclength,
......@@ -5730,17 +5889,17 @@ unpack_row(RELAY_LOG_INFO *rli,
DBUG_RETURN(error);
}
int Rows_log_event::exec_event(st_relay_log_info *rli)
int Rows_log_event::do_apply_event(RELAY_LOG_INFO const *rli)
{
DBUG_ENTER("Rows_log_event::exec_event(st_relay_log_info*)");
DBUG_ENTER("Rows_log_event::do_apply_event(st_relay_log_info*)");
int error= 0;
char const *row_start= (char const *)m_rows_buf;
/*
If m_table_id == ~0UL, then we have a dummy event that does
not contain any data. In that case, we just remove all tables in
the tables_to_lock list, close the thread tables, step the relay
log position, and return with success.
If m_table_id == ~0UL, then we have a dummy event that does not
contain any data. In that case, we just remove all tables in the
tables_to_lock list, close the thread tables, and return with
success. The relay log position will be stepped in
*/
if (m_table_id == ~0UL)
{
......@@ -5750,16 +5909,16 @@ int Rows_log_event::exec_event(st_relay_log_info *rli)
*/
DBUG_ASSERT(get_flags(STMT_END_F));
rli->clear_tables_to_lock();
const_cast<RELAY_LOG_INFO*>(rli)->clear_tables_to_lock();
close_thread_tables(thd);
thd->clear_error();
rli->inc_event_relay_log_pos();
DBUG_RETURN(0);
}
/*
'thd' has been set by exec_relay_log_event(), just before calling
exec_event(). We still check here to prevent future coding errors.
do_apply_event(). We still check here to prevent future coding
errors.
*/
DBUG_ASSERT(rli->sql_thd == thd);
......@@ -5775,8 +5934,9 @@ int Rows_log_event::exec_event(st_relay_log_info *rli)
/*
lock_tables() reads the contents of thd->lex, so they must be
initialized. Contrary to in Table_map_log_event::exec_event() we don't
call mysql_init_query() as that may reset the binlog format.
initialized. Contrary to in
Table_map_log_event::do_apply_event() we don't call
mysql_init_query() as that may reset the binlog format.
*/
lex_start(thd, NULL, 0);
......@@ -5805,7 +5965,7 @@ int Rows_log_event::exec_event(st_relay_log_info *rli)
"Error in %s event: when locking tables",
get_type_str());
}
rli->clear_tables_to_lock();
const_cast<RELAY_LOG_INFO*>(rli)->clear_tables_to_lock();
DBUG_RETURN(error);
}
......@@ -5826,7 +5986,8 @@ int Rows_log_event::exec_event(st_relay_log_info *rli)
TABLE_LIST *tables= rli->tables_to_lock;
close_tables_for_reopen(thd, &tables);
if ((error= open_tables(thd, &tables, &rli->tables_to_lock_count, 0)))
uint tables_count= rli->tables_to_lock_count;
if ((error= open_tables(thd, &tables, &tables_count, 0)))
{
if (thd->query_error || thd->is_fatal_error)
{
......@@ -5841,7 +6002,7 @@ int Rows_log_event::exec_event(st_relay_log_info *rli)
"unexpected success or fatal error"));
thd->query_error= 1;
}
rli->clear_tables_to_lock();
const_cast<RELAY_LOG_INFO*>(rli)->clear_tables_to_lock();
DBUG_RETURN(error);
}
}
......@@ -5863,7 +6024,7 @@ int Rows_log_event::exec_event(st_relay_log_info *rli)
mysql_unlock_tables(thd, thd->lock);
thd->lock= 0;
thd->query_error= 1;
rli->clear_tables_to_lock();
const_cast<RELAY_LOG_INFO*>(rli)->clear_tables_to_lock();
DBUG_RETURN(ERR_BAD_TABLE_DEF);
}
}
......@@ -5885,24 +6046,24 @@ int Rows_log_event::exec_event(st_relay_log_info *rli)
*/
for (TABLE_LIST *ptr= rli->tables_to_lock ; ptr ; ptr= ptr->next_global)
{
rli->m_table_map.set_table(ptr->table_id, ptr->table);
const_cast<RELAY_LOG_INFO*>(rli)->m_table_map.set_table(ptr->table_id, ptr->table);
}
#ifdef HAVE_QUERY_CACHE
query_cache.invalidate_locked_for_write(rli->tables_to_lock);
#endif
rli->clear_tables_to_lock();
const_cast<RELAY_LOG_INFO*>(rli)->clear_tables_to_lock();
}
DBUG_ASSERT(rli->tables_to_lock == NULL && rli->tables_to_lock_count == 0);
TABLE* table= rli->m_table_map.get_table(m_table_id);
TABLE* table= const_cast<RELAY_LOG_INFO*>(rli)->m_table_map.get_table(m_table_id);
if (table)
{
/*
table == NULL means that this table should not be replicated
(this was set up by Table_map_log_event::exec_event() which
tested replicate-* rules).
(this was set up by Table_map_log_event::do_apply_event()
which tested replicate-* rules).
*/
/*
......@@ -5959,7 +6120,7 @@ int Rows_log_event::exec_event(st_relay_log_info *rli)
break;
default:
slave_print_msg(ERROR_LEVEL, rli, error,
slave_print_msg(ERROR_LEVEL, rli, thd->net.last_errno,
"Error in %s event: row application failed",
get_type_str());
thd->query_error= 1;
......@@ -5969,7 +6130,7 @@ int Rows_log_event::exec_event(st_relay_log_info *rli)
row_start= row_end;
}
DBUG_EXECUTE_IF("STOP_SLAVE_after_first_Rows_event",
rli->abort_slave=1;);
const_cast<RELAY_LOG_INFO*>(rli)->abort_slave= 1;);
error= do_after_row_operations(table, error);
if (!cache_stmt)
{
......@@ -5980,11 +6141,12 @@ int Rows_log_event::exec_event(st_relay_log_info *rli)
if (error)
{ /* error has occured during the transaction */
slave_print_msg(ERROR_LEVEL, rli, error,
slave_print_msg(ERROR_LEVEL, rli, thd->net.last_errno,
"Error in %s event: error during transaction execution "
"on table %s.%s",
get_type_str(), table->s->db.str,
table->s->table_name.str);
/*
If one day we honour --skip-slave-errors in row-based replication, and
the error should be skipped, then we would clear mappings, rollback,
......@@ -5997,7 +6159,7 @@ int Rows_log_event::exec_event(st_relay_log_info *rli)
rollback at the caller along with sbr.
*/
thd->reset_current_stmt_binlog_row_based();
rli->cleanup_context(thd, 0); /* rollback at caller in step with sbr */
const_cast<RELAY_LOG_INFO*>(rli)->cleanup_context(thd, error);
thd->query_error= 1;
DBUG_RETURN(error);
}
......@@ -6041,8 +6203,7 @@ int Rows_log_event::exec_event(st_relay_log_info *rli)
*/
thd->reset_current_stmt_binlog_row_based();
rli->cleanup_context(thd, 0);
rli->transaction_end(thd);
const_cast<RELAY_LOG_INFO*>(rli)->cleanup_context(thd, 0);
if (error == 0)
{
......@@ -6055,7 +6216,6 @@ int Rows_log_event::exec_event(st_relay_log_info *rli)
do not become visible. We still prefer to wipe them out.
*/
thd->clear_error();
error= Log_event::exec_event(rli);
}
else
slave_print_msg(ERROR_LEVEL, rli, error,
......@@ -6082,17 +6242,17 @@ int Rows_log_event::exec_event(st_relay_log_info *rli)
wait (reached end of last relay log and nothing gets appended
there), we timeout after one minute, and notify DBA about the
problem. When WL#2975 is implemented, just remove the member
st_relay_log_info::unsafe_to_stop_at and all its occurences.
st_relay_log_info::last_event_start_time and all its occurences.
*/
rli->unsafe_to_stop_at= time(0);
const_cast<RELAY_LOG_INFO*>(rli)->last_event_start_time= time(0);
}
DBUG_ASSERT(error == 0);
thd->clear_error();
rli->inc_event_relay_log_pos();
DBUG_RETURN(0);
}
#endif /* !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION) */
#ifndef MYSQL_CLIENT
......@@ -6272,15 +6432,15 @@ Table_map_log_event::Table_map_log_event(const char *buf, uint event_len,
const char *const vpart= buf + common_header_len + post_header_len;
/* Extract the length of the various parts from the buffer */
byte const* const ptr_dblen= (byte const*)vpart + 0;
byte const *const ptr_dblen= (byte const*)vpart + 0;
m_dblen= *(uchar*) ptr_dblen;
/* Length of database name + counter + terminating null */
byte const* const ptr_tbllen= ptr_dblen + m_dblen + 2;
byte const *const ptr_tbllen= ptr_dblen + m_dblen + 2;
m_tbllen= *(uchar*) ptr_tbllen;
/* Length of table name + counter + terminating null */
byte const* const ptr_colcnt= ptr_tbllen + m_tbllen + 2;
byte const *const ptr_colcnt= ptr_tbllen + m_tbllen + 2;
uchar *ptr_after_colcnt= (uchar*) ptr_colcnt;
m_colcnt= net_field_length(&ptr_after_colcnt);
......@@ -6325,9 +6485,9 @@ Table_map_log_event::~Table_map_log_event()
*/
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
int Table_map_log_event::exec_event(st_relay_log_info *rli)
int Table_map_log_event::do_apply_event(RELAY_LOG_INFO const *rli)
{
DBUG_ENTER("Table_map_log_event::exec_event(st_relay_log_info*)");
DBUG_ENTER("Table_map_log_event::do_apply_event(st_relay_log_info*)");
DBUG_ASSERT(rli->sql_thd == thd);
......@@ -6450,29 +6610,24 @@ int Table_map_log_event::exec_event(st_relay_log_info *rli)
locked by linking the table into the list of tables to lock.
*/
table_list->next_global= table_list->next_local= rli->tables_to_lock;
rli->tables_to_lock= table_list;
rli->tables_to_lock_count++;
const_cast<RELAY_LOG_INFO*>(rli)->tables_to_lock= table_list;
const_cast<RELAY_LOG_INFO*>(rli)->tables_to_lock_count++;
/* 'memory' is freed in clear_tables_to_lock */
}
/*
We explicitly do not call Log_event::exec_event() here since we do not
want the relay log position to be flushed to disk. The flushing will be
done by the last Rows_log_event that either ends a statement (outside a
transaction) or a transaction.
A table map event can *never* end a transaction or a statement, so we
just step the relay log position.
*/
if (likely(!error))
rli->inc_event_relay_log_pos();
DBUG_RETURN(error);
err:
my_free((gptr) memory, MYF(MY_WME));
DBUG_RETURN(error);
}
int Table_map_log_event::do_update_pos(RELAY_LOG_INFO *rli)
{
rli->inc_event_relay_log_pos();
return 0;
}
#endif /* !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION) */
#ifndef MYSQL_CLIENT
......@@ -6637,7 +6792,7 @@ int Write_rows_log_event::do_after_row_operations(TABLE *table, int error)
return error;
}
int Write_rows_log_event::do_prepare_row(THD *thd, RELAY_LOG_INFO *rli,
int Write_rows_log_event::do_prepare_row(THD *thd, RELAY_LOG_INFO const *rli,
TABLE *table,
char const *const row_start,
char const **const row_end)
......@@ -6778,6 +6933,32 @@ copy_extra_record_fields(TABLE *table,
return 0; // All OK
}
/**
Check if an error is a duplicate key error.
This function is used to check if an error code is one of the
duplicate key error, i.e., and error code for which it is sensible
to do a <code>get_dup_key()</code> to retrieve the duplicate key.
@param errcode The error code to check.
@return <code>true</code> if the error code is such that
<code>get_dup_key()</code> will return true, <code>false</code>
otherwise.
*/
bool
is_duplicate_key_error(int errcode)
{
switch (errcode)
{
case HA_ERR_FOUND_DUPP_KEY:
case HA_ERR_FOUND_DUPP_UNIQUE:
return true;
}
return false;
}
/*
Replace the provided record in the database.
......@@ -6820,7 +7001,7 @@ replace_record(THD *thd, TABLE *table,
if ((keynum= table->file->get_dup_key(error)) < 0)
{
/* We failed to retrieve the duplicate key */
DBUG_RETURN(HA_ERR_FOUND_DUPP_KEY);
DBUG_RETURN(error);
}
/*
......@@ -6837,8 +7018,11 @@ replace_record(THD *thd, TABLE *table,
{
error= table->file->rnd_pos(table->record[1], table->file->dup_ref);
if (error)
{
table->file->print_error(error, MYF(0));
DBUG_RETURN(error);
}
}
else
{
if (table->file->extra(HA_EXTRA_FLUSH_CACHE))
......@@ -6859,8 +7043,11 @@ replace_record(THD *thd, TABLE *table,
table->key_info[keynum].key_length,
HA_READ_KEY_EXACT);
if (error)
{
table->file->print_error(error, MYF(0));
DBUG_RETURN(error);
}
}
/*
Now, table->record[1] should contain the offending row. That
......@@ -6892,15 +7079,21 @@ replace_record(THD *thd, TABLE *table,
{
error=table->file->ha_update_row(table->record[1],
table->record[0]);
if (error)
table->file->print_error(error, MYF(0));
DBUG_RETURN(error);
}
else
{
if ((error= table->file->ha_delete_row(table->record[1])))
{
table->file->print_error(error, MYF(0));
DBUG_RETURN(error);
}
/* Will retry ha_write_row() with the offending row removed. */
}
}
DBUG_RETURN(error);
}
......@@ -7239,7 +7432,7 @@ int Delete_rows_log_event::do_after_row_operations(TABLE *table, int error)
return error;
}
int Delete_rows_log_event::do_prepare_row(THD *thd, RELAY_LOG_INFO *rli,
int Delete_rows_log_event::do_prepare_row(THD *thd, RELAY_LOG_INFO const *rli,
TABLE *table,
char const *const row_start,
char const **const row_end)
......@@ -7374,7 +7567,7 @@ int Update_rows_log_event::do_after_row_operations(TABLE *table, int error)
return error;
}
int Update_rows_log_event::do_prepare_row(THD *thd, RELAY_LOG_INFO *rli,
int Update_rows_log_event::do_prepare_row(THD *thd, RELAY_LOG_INFO const *rli,
TABLE *table,
char const *const row_start,
char const **const row_end)
......
sql/log_event.h
View file @ 070c147b
......@@ -503,6 +503,7 @@ class THD;
class Format_description_log_event;
struct st_relay_log_info;
typedef st_relay_log_info RELAY_LOG_INFO;
#ifdef MYSQL_CLIENT
/*
......@@ -591,6 +592,33 @@ typedef struct st_print_event_info
class Log_event
{
public:
/**
Enumeration of what kinds of skipping (and non-skipping) that can
occur when the slave executes an event.
@see shall_skip
@see do_shall_skip
*/
enum enum_skip_reason {
/**
Don't skip event.
*/
EVENT_SKIP_NOT,
/**
Skip event by ignoring it.
This means that the slave skip counter will not be changed.
*/
EVENT_SKIP_IGNORE,
/**
Skip event and decrease skip counter.
*/
EVENT_SKIP_COUNT
};
/*
The following type definition is to be used whenever data is placed
and manipulated in a common buffer. Use this typedef for buffers
......@@ -672,16 +700,14 @@ class Log_event
static void init_show_field_list(List<Item>* field_list);
#ifdef HAVE_REPLICATION
int net_send(Protocol *protocol, const char* log_name, my_off_t pos);
/*
pack_info() is used by SHOW BINLOG EVENTS; as print() it prepares and sends
a string to display to the user, so it resembles print().
*/
virtual void pack_info(Protocol *protocol);
/*
The SQL slave thread calls exec_event() to execute the event; this is where
the slave's data is modified.
*/
virtual int exec_event(struct st_relay_log_info* rli);
#endif /* HAVE_REPLICATION */
virtual const char* get_db()
{
......@@ -754,6 +780,127 @@ class Log_event
*description_event);
/* returns the human readable name of the event's type */
const char* get_type_str();
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
public:
/**
Apply the event to the database.
This function represents the public interface for applying an
event.
@see do_apply_event
*/
int apply_event(RELAY_LOG_INFO const *rli) {
return do_apply_event(rli);
}
/**
Update the relay log position.
This function represents the public interface for "stepping over"
the event and will update the relay log information.
@see do_update_pos
*/
int update_pos(RELAY_LOG_INFO *rli)
{
return do_update_pos(rli);
}
/**
Decide if the event shall be skipped, and the reason for skipping
it.
@see do_shall_skip
*/
enum_skip_reason shall_skip(RELAY_LOG_INFO *rli)
{
return do_shall_skip(rli);
}
protected:
/**
Primitive to apply an event to the database.
This is where the change to the database is made.
@note The primitive is protected instead of private, since there
is a hierarchy of actions to be performed in some cases.
@see Format_description_log_event::do_apply_event()
@param rli Pointer to relay log info structure
@retval 0 Event applied successfully
@retval errno Error code if event application failed
*/
virtual int do_apply_event(RELAY_LOG_INFO const *rli)
{
return 0; /* Default implementation does nothing */
}
/**
Advance relay log coordinates.
This function is called to advance the relay log coordinates to
just after the event. It is essential that both the relay log
coordinate and the group log position is updated correctly, since
this function is used also for skipping events.
Normally, each implementation of do_update_pos() shall:
- Update the event position to refer to the position just after
the event.
- Update the group log position to refer to the position just
after the event <em>if the event is last in a group</em>
@param rli Pointer to relay log info structure
@retval 0 Coordinates changed successfully
@retval errno Error code if advancing failed (usually just
1). Observe that handler errors are returned by the
do_apply_event() function, and not by this one.
*/
virtual int do_update_pos(RELAY_LOG_INFO *rli);
/**
Decide if this event shall be skipped or not and the reason for
skipping it.
The default implementation decide that the event shall be skipped
if either:
- the server id of the event is the same as the server id of the
server and <code>rli->replicate_same_server_id</code> is true,
or
- if <code>rli->slave_skip_counter</code> is greater than zero.
@see do_apply_event
@see do_update_pos
@retval Log_event::EVENT_SKIP_NOT
The event shall not be skipped and should be applied.
@retval Log_event::EVENT_SKIP_IGNORE
The event shall be skipped by just ignoring it, i.e., the slave
skip counter shall not be changed. This happends if, for example,
the originating server id of the event is the same as the server
id of the slave.
@retval Log_event::EVENT_SKIP_COUNT
The event shall be skipped because the slave skip counter was
non-zero. The caller shall decrease the counter by one.
*/
virtual enum_skip_reason do_shall_skip(RELAY_LOG_INFO *rli);
#endif
};
/*
......@@ -794,10 +941,10 @@ class Query_log_event: public Log_event
uint16 error_code;
ulong thread_id;
/*
For events created by Query_log_event::exec_event (and
Load_log_event::exec_event()) we need the *original* thread id, to be able
to log the event with the original (=master's) thread id (fix for
BUG#1686).
For events created by Query_log_event::do_apply_event (and
Load_log_event::do_apply_event()) we need the *original* thread
id, to be able to log the event with the original (=master's)
thread id (fix for BUG#1686).
*/
ulong slave_proxy_id;
......@@ -860,9 +1007,6 @@ class Query_log_event: public Log_event
const char* get_db() { return db; }
#ifdef HAVE_REPLICATION
void pack_info(Protocol* protocol);
int exec_event(struct st_relay_log_info* rli);
int exec_event(struct st_relay_log_info* rli, const char *query_arg,
uint32 q_len_arg);
#endif /* HAVE_REPLICATION */
#else
void print_query_header(IO_CACHE* file, PRINT_EVENT_INFO* print_event_info);
......@@ -891,6 +1035,16 @@ class Query_log_event: public Log_event
*/
virtual ulong get_post_header_size_for_derived() { return 0; }
/* Writes derived event-specific part of post header. */
public: /* !!! Public in this patch to allow old usage */
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
virtual int do_apply_event(RELAY_LOG_INFO const *rli);
virtual int do_update_pos(RELAY_LOG_INFO *rli);
int do_apply_event(RELAY_LOG_INFO const *rli,
const char *query_arg,
uint32 q_len_arg);
#endif /* HAVE_REPLICATION */
};
......@@ -939,9 +1093,8 @@ class Slave_log_event: public Log_event
uint16 master_port;
#ifndef MYSQL_CLIENT
Slave_log_event(THD* thd_arg, struct st_relay_log_info* rli);
Slave_log_event(THD* thd_arg, RELAY_LOG_INFO* rli);
void pack_info(Protocol* protocol);
int exec_event(struct st_relay_log_info* rli);
#else
void print(FILE* file, PRINT_EVENT_INFO* print_event_info);
#endif
......@@ -954,6 +1107,11 @@ class Slave_log_event: public Log_event
#ifndef MYSQL_CLIENT
bool write(IO_CACHE* file);
#endif
private:
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
virtual int do_apply_event(RELAY_LOG_INFO const* rli);
#endif
};
#endif /* HAVE_REPLICATION */
......@@ -1023,12 +1181,6 @@ class Load_log_event: public Log_event
const char* get_db() { return db; }
#ifdef HAVE_REPLICATION
void pack_info(Protocol* protocol);
int exec_event(struct st_relay_log_info* rli)
{
return exec_event(thd->slave_net,rli,0);
}
int exec_event(NET* net, struct st_relay_log_info* rli,
bool use_rli_only_for_errors);
#endif /* HAVE_REPLICATION */
#else
void print(FILE* file, PRINT_EVENT_INFO* print_event_info);
......@@ -1060,6 +1212,17 @@ class Load_log_event: public Log_event
+ LOAD_HEADER_LEN
+ sql_ex.data_size() + field_block_len + num_fields);
}
public: /* !!! Public in this patch to allow old usage */
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
virtual int do_apply_event(RELAY_LOG_INFO const* rli)
{
return do_apply_event(thd->slave_net,rli,0);
}
int do_apply_event(NET *net, RELAY_LOG_INFO const *rli,
bool use_rli_only_for_errors);
#endif
};
extern char server_version[SERVER_VERSION_LENGTH];
......@@ -1117,7 +1280,6 @@ class Start_log_event_v3: public Log_event
Start_log_event_v3();
#ifdef HAVE_REPLICATION
void pack_info(Protocol* protocol);
int exec_event(struct st_relay_log_info* rli);
#endif /* HAVE_REPLICATION */
#else
Start_log_event_v3() {}
......@@ -1137,6 +1299,22 @@ class Start_log_event_v3: public Log_event
return START_V3_HEADER_LEN; //no variable-sized part
}
virtual bool is_artificial_event() { return artificial_event; }
protected:
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
virtual int do_apply_event(RELAY_LOG_INFO const *rli);
virtual enum_skip_reason do_shall_skip(RELAY_LOG_INFO*)
{
/*
Events from ourself should be skipped, but they should not
decrease the slave skip counter.
*/
if (this->server_id == ::server_id)
return Log_event::EVENT_SKIP_IGNORE;
else
return Log_event::EVENT_SKIP_NOT;
}
#endif
};
......@@ -1162,13 +1340,6 @@ class Format_description_log_event: public Start_log_event_v3
uchar server_version_split[3];
Format_description_log_event(uint8 binlog_ver, const char* server_ver=0);
#ifndef MYSQL_CLIENT
#ifdef HAVE_REPLICATION
int exec_event(struct st_relay_log_info* rli);
#endif /* HAVE_REPLICATION */
#endif
Format_description_log_event(const char* buf, uint event_len,
const Format_description_log_event* description_event);
~Format_description_log_event() { my_free((gptr)post_header_len, MYF(0)); }
......@@ -1191,7 +1362,15 @@ class Format_description_log_event: public Start_log_event_v3
*/
return FORMAT_DESCRIPTION_HEADER_LEN;
}
void calc_server_version_split();
protected:
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
virtual int do_apply_event(RELAY_LOG_INFO const *rli);
virtual int do_update_pos(RELAY_LOG_INFO *rli);
virtual enum_skip_reason do_shall_skip(RELAY_LOG_INFO *rli);
#endif
};
......@@ -1215,7 +1394,6 @@ class Intvar_log_event: public Log_event
{}
#ifdef HAVE_REPLICATION
void pack_info(Protocol* protocol);
int exec_event(struct st_relay_log_info* rli);
#endif /* HAVE_REPLICATION */
#else
void print(FILE* file, PRINT_EVENT_INFO* print_event_info);
......@@ -1230,6 +1408,13 @@ class Intvar_log_event: public Log_event
bool write(IO_CACHE* file);
#endif
bool is_valid() const { return 1; }
private:
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
virtual int do_apply_event(RELAY_LOG_INFO const *rli);
virtual int do_update_pos(RELAY_LOG_INFO *rli);
virtual enum_skip_reason do_shall_skip(RELAY_LOG_INFO *rli);
#endif
};
......@@ -1256,7 +1441,6 @@ class Rand_log_event: public Log_event
{}
#ifdef HAVE_REPLICATION
void pack_info(Protocol* protocol);
int exec_event(struct st_relay_log_info* rli);
#endif /* HAVE_REPLICATION */
#else
void print(FILE* file, PRINT_EVENT_INFO* print_event_info);
......@@ -1270,6 +1454,13 @@ class Rand_log_event: public Log_event
bool write(IO_CACHE* file);
#endif
bool is_valid() const { return 1; }
private:
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
virtual int do_apply_event(RELAY_LOG_INFO const *rli);
virtual int do_update_pos(RELAY_LOG_INFO *rli);
virtual enum_skip_reason do_shall_skip(RELAY_LOG_INFO *rli);
#endif
};
/*****************************************************************************
......@@ -1293,7 +1484,6 @@ class Xid_log_event: public Log_event
Xid_log_event(THD* thd_arg, my_xid x): Log_event(thd_arg,0,0), xid(x) {}
#ifdef HAVE_REPLICATION
void pack_info(Protocol* protocol);
int exec_event(struct st_relay_log_info* rli);
#endif /* HAVE_REPLICATION */
#else
void print(FILE* file, PRINT_EVENT_INFO* print_event_info);
......@@ -1307,6 +1497,11 @@ class Xid_log_event: public Log_event
bool write(IO_CACHE* file);
#endif
bool is_valid() const { return 1; }
private:
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
virtual int do_apply_event(RELAY_LOG_INFO const *rli);
#endif
};
/*****************************************************************************
......@@ -1336,7 +1531,6 @@ class User_var_log_event: public Log_event
val_len(val_len_arg), type(type_arg), charset_number(charset_number_arg)
{ is_null= !val; }
void pack_info(Protocol* protocol);
int exec_event(struct st_relay_log_info* rli);
#else
void print(FILE* file, PRINT_EVENT_INFO* print_event_info);
#endif
......@@ -1348,6 +1542,13 @@ class User_var_log_event: public Log_event
bool write(IO_CACHE* file);
#endif
bool is_valid() const { return 1; }
private:
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
virtual int do_apply_event(RELAY_LOG_INFO const *rli);
virtual int do_update_pos(RELAY_LOG_INFO *rli);
virtual enum_skip_reason do_shall_skip(RELAY_LOG_INFO *rli);
#endif
};
......@@ -1362,7 +1563,6 @@ class Stop_log_event: public Log_event
#ifndef MYSQL_CLIENT
Stop_log_event() :Log_event()
{}
int exec_event(struct st_relay_log_info* rli);
#else
void print(FILE* file, PRINT_EVENT_INFO* print_event_info);
#endif
......@@ -1373,6 +1573,22 @@ class Stop_log_event: public Log_event
~Stop_log_event() {}
Log_event_type get_type_code() { return STOP_EVENT;}
bool is_valid() const { return 1; }
private:
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
virtual int do_update_pos(RELAY_LOG_INFO *rli);
virtual enum_skip_reason do_shall_skip(RELAY_LOG_INFO *rli)
{
/*
Events from ourself should be skipped, but they should not
decrease the slave skip counter.
*/
if (this->server_id == ::server_id)
return Log_event::EVENT_SKIP_IGNORE;
else
return Log_event::EVENT_SKIP_NOT;
}
#endif
};
/*****************************************************************************
......@@ -1399,7 +1615,6 @@ class Rotate_log_event: public Log_event
ulonglong pos_arg, uint flags);
#ifdef HAVE_REPLICATION
void pack_info(Protocol* protocol);
int exec_event(struct st_relay_log_info* rli);
#endif /* HAVE_REPLICATION */
#else
void print(FILE* file, PRINT_EVENT_INFO* print_event_info);
......@@ -1418,6 +1633,12 @@ class Rotate_log_event: public Log_event
#ifndef MYSQL_CLIENT
bool write(IO_CACHE* file);
#endif
private:
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
virtual int do_update_pos(RELAY_LOG_INFO *rli);
virtual enum_skip_reason do_shall_skip(RELAY_LOG_INFO *rli);
#endif
};
......@@ -1452,7 +1673,6 @@ class Create_file_log_event: public Load_log_event
bool using_trans);
#ifdef HAVE_REPLICATION
void pack_info(Protocol* protocol);
int exec_event(struct st_relay_log_info* rli);
#endif /* HAVE_REPLICATION */
#else
void print(FILE* file, PRINT_EVENT_INFO* print_event_info);
......@@ -1486,6 +1706,11 @@ class Create_file_log_event: public Load_log_event
*/
bool write_base(IO_CACHE* file);
#endif
private:
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
virtual int do_apply_event(RELAY_LOG_INFO const *rli);
#endif
};
......@@ -1518,7 +1743,6 @@ class Append_block_log_event: public Log_event
Append_block_log_event(THD* thd, const char* db_arg, char* block_arg,
uint block_len_arg, bool using_trans);
#ifdef HAVE_REPLICATION
int exec_event(struct st_relay_log_info* rli);
void pack_info(Protocol* protocol);
virtual int get_create_or_append() const;
#endif /* HAVE_REPLICATION */
......@@ -1536,6 +1760,11 @@ class Append_block_log_event: public Log_event
bool write(IO_CACHE* file);
const char* get_db() { return db; }
#endif
private:
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
virtual int do_apply_event(RELAY_LOG_INFO const *rli);
#endif
};
......@@ -1555,7 +1784,6 @@ class Delete_file_log_event: public Log_event
Delete_file_log_event(THD* thd, const char* db_arg, bool using_trans);
#ifdef HAVE_REPLICATION
void pack_info(Protocol* protocol);
int exec_event(struct st_relay_log_info* rli);
#endif /* HAVE_REPLICATION */
#else
void print(FILE* file, PRINT_EVENT_INFO* print_event_info);
......@@ -1572,6 +1800,11 @@ class Delete_file_log_event: public Log_event
bool write(IO_CACHE* file);
const char* get_db() { return db; }
#endif
private:
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
virtual int do_apply_event(RELAY_LOG_INFO const *rli);
#endif
};
......@@ -1591,7 +1824,6 @@ class Execute_load_log_event: public Log_event
Execute_load_log_event(THD* thd, const char* db_arg, bool using_trans);
#ifdef HAVE_REPLICATION
void pack_info(Protocol* protocol);
int exec_event(struct st_relay_log_info* rli);
#endif /* HAVE_REPLICATION */
#else
void print(FILE* file, PRINT_EVENT_INFO* print_event_info);
......@@ -1607,6 +1839,11 @@ class Execute_load_log_event: public Log_event
bool write(IO_CACHE* file);
const char* get_db() { return db; }
#endif
private:
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
virtual int do_apply_event(RELAY_LOG_INFO const *rli);
#endif
};
......@@ -1676,7 +1913,6 @@ class Execute_load_query_log_event: public Query_log_event
bool using_trans, bool suppress_use);
#ifdef HAVE_REPLICATION
void pack_info(Protocol* protocol);
int exec_event(struct st_relay_log_info* rli);
#endif /* HAVE_REPLICATION */
#else
void print(FILE* file, PRINT_EVENT_INFO* print_event_info);
......@@ -1695,7 +1931,12 @@ class Execute_load_query_log_event: public Query_log_event
#ifndef MYSQL_CLIENT
bool write_post_header_for_derived(IO_CACHE* file);
#endif
};
private:
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
virtual int do_apply_event(RELAY_LOG_INFO const *rli);
#endif
};
#ifdef MYSQL_CLIENT
......@@ -1793,7 +2034,6 @@ class Table_map_log_event : public Log_event
#endif
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
virtual int exec_event(struct st_relay_log_info *rli);
virtual void pack_info(Protocol *protocol);
#endif
......@@ -1803,6 +2043,11 @@ class Table_map_log_event : public Log_event
private:
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
virtual int do_apply_event(RELAY_LOG_INFO const *rli);
virtual int do_update_pos(RELAY_LOG_INFO *rli);
#endif
#ifndef MYSQL_CLIENT
TABLE *m_table;
#endif
......@@ -1886,7 +2131,6 @@ class Rows_log_event : public Log_event
flag_set get_flags(flag_set flags) const { return m_flags & flags; }
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
virtual int exec_event(struct st_relay_log_info *rli);
virtual void pack_info(Protocol *protocol);
#endif
......@@ -1970,6 +2214,8 @@ class Rows_log_event : public Log_event
private:
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
virtual int do_apply_event(RELAY_LOG_INFO const *rli);
/*
Primitive to prepare for a sequence of row executions.
......@@ -2017,7 +2263,7 @@ class Rows_log_event : public Log_event
RETURN VALUE
Error code, if something went wrong, 0 otherwise.
*/
virtual int do_prepare_row(THD*, RELAY_LOG_INFO*, TABLE*,
virtual int do_prepare_row(THD*, RELAY_LOG_INFO const*, TABLE*,
char const *row_start, char const **row_end) = 0;
/*
......@@ -2088,7 +2334,7 @@ class Write_rows_log_event : public Rows_log_event
virtual int do_before_row_operations(TABLE *table);
virtual int do_after_row_operations(TABLE *table, int error);
virtual int do_prepare_row(THD*, RELAY_LOG_INFO*, TABLE*,
virtual int do_prepare_row(THD*, RELAY_LOG_INFO const*, TABLE*,
char const *row_start, char const **row_end);
virtual int do_exec_row(TABLE *table);
#endif
......@@ -2153,7 +2399,7 @@ class Update_rows_log_event : public Rows_log_event
virtual int do_before_row_operations(TABLE *table);
virtual int do_after_row_operations(TABLE *table, int error);
virtual int do_prepare_row(THD*, RELAY_LOG_INFO*, TABLE*,
virtual int do_prepare_row(THD*, RELAY_LOG_INFO const*, TABLE*,
char const *row_start, char const **row_end);
virtual int do_exec_row(TABLE *table);
#endif /* !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION) */
......@@ -2224,7 +2470,7 @@ class Delete_rows_log_event : public Rows_log_event
virtual int do_before_row_operations(TABLE *table);
virtual int do_after_row_operations(TABLE *table, int error);
virtual int do_prepare_row(THD*, RELAY_LOG_INFO*, TABLE*,
virtual int do_prepare_row(THD*, RELAY_LOG_INFO const*, TABLE*,
char const *row_start, char const **row_end);
virtual int do_exec_row(TABLE *table);
#endif
......
sql/rpl_rli.cc
View file @ 070c147b
......@@ -29,14 +29,15 @@ int init_strvar_from_file(char *var, int max_size, IO_CACHE *f,
st_relay_log_info::st_relay_log_info()
:no_storage(FALSE), info_fd(-1), cur_log_fd(-1), save_temporary_tables(0),
:no_storage(FALSE), replicate_same_server_id(::replicate_same_server_id),
info_fd(-1), cur_log_fd(-1), save_temporary_tables(0),
cur_log_old_open_count(0), group_master_log_pos(0), log_space_total(0),
ignore_log_space_limit(0), last_master_timestamp(0), slave_skip_counter(0),
abort_pos_wait(0), slave_run_id(0), sql_thd(0), last_slave_errno(0),
inited(0), abort_slave(0), slave_running(0), until_condition(UNTIL_NONE),
until_log_pos(0), retried_trans(0),
tables_to_lock(0), tables_to_lock_count(0),
unsafe_to_stop_at(0)
last_event_start_time(0)
{
DBUG_ENTER("st_relay_log_info::st_relay_log_info");
......@@ -1001,6 +1002,22 @@ bool st_relay_log_info::is_until_satisfied()
log_pos= group_relay_log_pos;
}
#ifndef DBUG_OFF
{
char buf[32];
DBUG_PRINT("info", ("group_master_log_name='%s', group_master_log_pos=%s",
group_master_log_name, llstr(group_master_log_pos, buf)));
DBUG_PRINT("info", ("group_relay_log_name='%s', group_relay_log_pos=%s",
group_relay_log_name, llstr(group_relay_log_pos, buf)));
DBUG_PRINT("info", ("(%s) log_name='%s', log_pos=%s",
until_condition == UNTIL_MASTER_POS ? "master" : "relay",
log_name, llstr(log_pos, buf)));
DBUG_PRINT("info", ("(%s) until_log_name='%s', until_log_pos=%s",
until_condition == UNTIL_MASTER_POS ? "master" : "relay",
until_log_name, llstr(until_log_pos, buf)));
}
#endif
if (until_log_names_cmp_result == UNTIL_LOG_NAMES_CMP_UNKNOWN)
{
/*
......@@ -1056,30 +1073,19 @@ void st_relay_log_info::cached_charset_invalidate()
}
bool st_relay_log_info::cached_charset_compare(char *charset)
bool st_relay_log_info::cached_charset_compare(char *charset) const
{
DBUG_ENTER("st_relay_log_info::cached_charset_compare");
if (bcmp(cached_charset, charset, sizeof(cached_charset)))
{
memcpy(cached_charset, charset, sizeof(cached_charset));
memcpy(const_cast<char*>(cached_charset), charset, sizeof(cached_charset));
DBUG_RETURN(1);
}
DBUG_RETURN(0);
}
void st_relay_log_info::transaction_end(THD* thd)
{
DBUG_ENTER("st_relay_log_info::transaction_end");
/*
Nothing to do here right now.
*/
DBUG_VOID_RETURN;
}
#if !defined(MYSQL_CLIENT) && defined(HAVE_REPLICATION)
void st_relay_log_info::cleanup_context(THD *thd, bool error)
{
......@@ -1106,7 +1112,7 @@ void st_relay_log_info::cleanup_context(THD *thd, bool error)
m_table_map.clear_tables();
close_thread_tables(thd);
clear_tables_to_lock();
unsafe_to_stop_at= 0;
last_event_start_time= 0;
DBUG_VOID_RETURN;
}
......
sql/rpl_rli.h
View file @ 070c147b
......@@ -58,6 +58,15 @@ typedef struct st_relay_log_info
*/
bool no_storage;
/*
If true, events with the same server id should be replicated. This
field is set on creation of a relay log info structure by copying
the value of ::replicate_same_server_id and can be overridden if
necessary. For example of when this is done, check sql_binlog.cc,
where the BINLOG statement can be used to execute "raw" events.
*/
bool replicate_same_server_id;
/*** The following variables can only be read when protect by data lock ****/
/*
......@@ -292,14 +301,19 @@ typedef struct st_relay_log_info
When the 6 bytes are equal to 0 is used to mean "cache is invalidated".
*/
void cached_charset_invalidate();
bool cached_charset_compare(char *charset);
void transaction_end(THD*);
bool cached_charset_compare(char *charset) const;
void cleanup_context(THD *, bool);
void clear_tables_to_lock();
time_t unsafe_to_stop_at;
/*
Used by row-based replication to detect that it should not stop at
this event, but give it a chance to send more events. The time
where the last event inside a group started is stored here. If the
variable is zero, we are not in a group (but may be in a
transaction).
*/
time_t last_event_start_time;
} RELAY_LOG_INFO;
......
sql/rpl_utility.cc
View file @ 070c147b
......@@ -108,7 +108,7 @@ field_length_from_packed(enum_field_types const field_type,
*/
int
table_def::compatible_with(RELAY_LOG_INFO *rli, TABLE *table)
table_def::compatible_with(RELAY_LOG_INFO const *rli_arg, TABLE *table)
const
{
/*
......@@ -116,6 +116,7 @@ table_def::compatible_with(RELAY_LOG_INFO *rli, TABLE *table)
*/
uint const cols_to_check= min(table->s->fields, size());
int error= 0;
RELAY_LOG_INFO const *rli= const_cast<RELAY_LOG_INFO*>(rli_arg);
TABLE_SHARE const *const tsh= table->s;
......
sql/rpl_utility.h
View file @ 070c147b
......@@ -117,7 +117,7 @@ class table_def
@retval 1 if the table definition is not compatible with @c table
@retval 0 if the table definition is compatible with @c table
*/
int compatible_with(RELAY_LOG_INFO *rli, TABLE *table) const;
int compatible_with(RELAY_LOG_INFO const *rli, TABLE *table) const;
private:
my_size_t m_size; // Number of elements in the types array
......
sql/slave.cc
View file @ 070c147b
......@@ -519,11 +519,11 @@ static bool sql_slave_killed(THD* thd, RELAY_LOG_INFO* rli)
really one minute of idleness, we don't timeout if the slave SQL thread
is actively working.
*/
if (!rli->unsafe_to_stop_at)
if (rli->last_event_start_time == 0)
DBUG_RETURN(1);
DBUG_PRINT("info", ("Slave SQL thread is in an unsafe situation, giving "
"it some grace period"));
if (difftime(time(0), rli->unsafe_to_stop_at) > 60)
if (difftime(time(0), rli->last_event_start_time) > 60)
{
slave_print_msg(ERROR_LEVEL, rli, 0,
"SQL thread had to stop in an unsafe situation, in "
......@@ -557,7 +557,7 @@ static bool sql_slave_killed(THD* thd, RELAY_LOG_INFO* rli)
void
*/
void slave_print_msg(enum loglevel level, RELAY_LOG_INFO* rli,
void slave_print_msg(enum loglevel level, RELAY_LOG_INFO const *rli,
int err_code, const char* msg, ...)
{
void (*report_function)(const char *, ...);
......@@ -579,9 +579,9 @@ void slave_print_msg(enum loglevel level, RELAY_LOG_INFO* rli,
It's an error, it must be reported in Last_error and Last_errno in SHOW
SLAVE STATUS.
*/
pbuff= rli->last_slave_error;
pbuff= const_cast<RELAY_LOG_INFO*>(rli)->last_slave_error;
pbuffsize= sizeof(rli->last_slave_error);
rli->last_slave_errno = err_code;
const_cast<RELAY_LOG_INFO*>(rli)->last_slave_errno = err_code;
report_function= sql_print_error;
break;
case WARNING_LEVEL:
......@@ -813,7 +813,7 @@ do not trust column Seconds_Behind_Master of SHOW SLAVE STATUS");
{
if ((master_row= mysql_fetch_row(master_res)) &&
(::server_id == strtoul(master_row[1], 0, 10)) &&
!replicate_same_server_id)
!mi->rli.replicate_same_server_id)
errmsg= "The slave I/O thread stops because master and slave have equal \
MySQL server ids; these ids must be different for replication to work (or \
the --replicate-same-server-id option must be used on slave but this does \
......@@ -1390,7 +1390,7 @@ void set_slave_thread_options(THD* thd)
DBUG_VOID_RETURN;
}
void set_slave_thread_default_charset(THD* thd, RELAY_LOG_INFO *rli)
void set_slave_thread_default_charset(THD* thd, RELAY_LOG_INFO const *rli)
{
DBUG_ENTER("set_slave_thread_default_charset");
......@@ -1401,7 +1401,14 @@ void set_slave_thread_default_charset(THD* thd, RELAY_LOG_INFO *rli)
thd->variables.collation_server=
global_system_variables.collation_server;
thd->update_charset();
rli->cached_charset_invalidate();
/*
We use a const cast here since the conceptual (and externally
visible) behavior of the function is to set the default charset of
the thread. That the cache has to be invalidated is a secondary
effect.
*/
const_cast<RELAY_LOG_INFO*>(rli)->cached_charset_invalidate();
DBUG_VOID_RETURN;
}
......@@ -1609,7 +1616,8 @@ static ulong read_event(MYSQL* mysql, MASTER_INFO *mi, bool* suppress_warnings)
}
int check_expected_error(THD* thd, RELAY_LOG_INFO* rli, int expected_error)
int check_expected_error(THD* thd, RELAY_LOG_INFO const *rli,
int expected_error)
{
DBUG_ENTER("check_expected_error");
......@@ -1715,77 +1723,42 @@ static int exec_relay_log_event(THD* thd, RELAY_LOG_INFO* rli)
if (ev)
{
int type_code = ev->get_type_code();
int exec_res;
/*
Queries originating from this server must be skipped.
Low-level events (Format_desc, Rotate, Stop) from this server
must also be skipped. But for those we don't want to modify
group_master_log_pos, because these events did not exist on the master.
Format_desc is not completely skipped.
Skip queries specified by the user in slave_skip_counter.
We can't however skip events that has something to do with the
log files themselves.
Filtering on own server id is extremely important, to ignore execution of
events created by the creation/rotation of the relay log (remember that
now the relay log starts with its Format_desc, has a Rotate etc).
*/
DBUG_PRINT("info",("type_code=%d, server_id=%d",type_code,ev->server_id));
if ((ev->server_id == (uint32) ::server_id &&
!replicate_same_server_id &&
type_code != FORMAT_DESCRIPTION_EVENT) ||
(rli->slave_skip_counter &&
type_code != ROTATE_EVENT && type_code != STOP_EVENT &&
type_code != START_EVENT_V3 && type_code!= FORMAT_DESCRIPTION_EVENT))
{
DBUG_PRINT("info", ("event skipped"));
/*
We only skip the event here and do not increase the group log
position. In the event that we have to restart, this means
that we might have to skip the event again, but that is a
minor issue.
If we were to increase the group log position when skipping an
event, it might be that we are restarting at the wrong
position and have events before that we should have executed,
so not increasing the group log position is a sure bet in this
case.
In this way, we just step the group log position when we
*know* that we are at the end of a group.
*/
rli->inc_event_relay_log_pos();
/*
Protect against common user error of setting the counter to 1
instead of 2 while recovering from an insert which used auto_increment,
rand or user var.
*/
if (rli->slave_skip_counter &&
!((type_code == INTVAR_EVENT ||
type_code == RAND_EVENT ||
type_code == USER_VAR_EVENT) &&
rli->slave_skip_counter == 1) &&
/*
The events from ourselves which have something to do with the relay
log itself must be skipped, true, but they mustn't decrement
rli->slave_skip_counter, because the user is supposed to not see
these events (they are not in the master's binlog) and if we
decremented, START SLAVE would for example decrement when it sees
the Rotate, so the event which the user probably wanted to skip
would not be skipped.
*/
!(ev->server_id == (uint32) ::server_id &&
(type_code == ROTATE_EVENT || type_code == STOP_EVENT ||
type_code == START_EVENT_V3 || type_code == FORMAT_DESCRIPTION_EVENT)))
--rli->slave_skip_counter;
pthread_mutex_unlock(&rli->data_lock);
delete ev;
DBUG_RETURN(0); // avoid infinite update loops
}
pthread_mutex_unlock(&rli->data_lock);
int exec_res= 0;
/*
*/
DBUG_PRINT("info",("type_code=%d (%s), server_id=%d",
type_code, ev->get_type_str(), ev->server_id));
DBUG_PRINT("info", ("thd->options={ %s%s}",
FLAGSTR(thd->options, OPTION_NOT_AUTOCOMMIT),
FLAGSTR(thd->options, OPTION_BEGIN)));
/*
Execute the event to change the database and update the binary
log coordinates, but first we set some data that is needed for
the thread.
The event will be executed unless it is supposed to be skipped.
Queries originating from this server must be skipped. Low-level
events (Format_description_log_event, Rotate_log_event,
Stop_log_event) from this server must also be skipped. But for
those we don't want to modify 'group_master_log_pos', because
these events did not exist on the master.
Format_description_log_event is not completely skipped.
Skip queries specified by the user in 'slave_skip_counter'. We
can't however skip events that has something to do with the log
files themselves.
Filtering on own server id is extremely important, to ignore
execution of events created by the creation/rotation of the relay
log (remember that now the relay log starts with its Format_desc,
has a Rotate etc).
*/
thd->server_id = ev->server_id; // use the original server id for logging
thd->set_time(); // time the query
......@@ -1793,13 +1766,63 @@ static int exec_relay_log_event(THD* thd, RELAY_LOG_INFO* rli)
if (!ev->when)
ev->when = time(NULL);
ev->thd = thd; // because up to this point, ev->thd == 0
DBUG_PRINT("info", ("thd->options={ %s%s}",
FLAGSTR(thd->options, OPTION_NOT_AUTOCOMMIT),
FLAGSTR(thd->options, OPTION_BEGIN)));
exec_res = ev->exec_event(rli);
DBUG_PRINT("info", ("exec_event result: %d", exec_res));
DBUG_ASSERT(rli->sql_thd==thd);
int reason= ev->shall_skip(rli);
if (reason == Log_event::EVENT_SKIP_COUNT)
--rli->slave_skip_counter;
pthread_mutex_unlock(&rli->data_lock);
if (reason == Log_event::EVENT_SKIP_NOT)
exec_res= ev->apply_event(rli);
#ifndef DBUG_OFF
else
{
/*
This only prints information to the debug trace.
TODO: Print an informational message to the error log?
*/
static const char *const explain[] = {
"event was not skipped", // EVENT_SKIP_NOT,
"event originated from this server", // EVENT_SKIP_IGNORE,
"event skip counter was non-zero" // EVENT_SKIP_COUNT
};
DBUG_PRINT("info", ("%s was skipped because %s",
ev->get_type_str(), explain[reason]));
}
#endif
DBUG_PRINT("info", ("apply_event error = %d", exec_res));
if (exec_res == 0)
{
int error= ev->update_pos(rli);
char buf[22];
DBUG_PRINT("info", ("update_pos error = %d", error));
DBUG_PRINT("info", ("group %s %s",
llstr(rli->group_relay_log_pos, buf),
rli->group_relay_log_name));
DBUG_PRINT("info", ("event %s %s",
llstr(rli->event_relay_log_pos, buf),
rli->event_relay_log_name));
/*
The update should not fail, so print an error message and
return an error code.
TODO: Replace this with a decent error message when merged
with BUG#24954 (which adds several new error message).
*/
if (error)
{
slave_print_msg(ERROR_LEVEL, rli, ER_UNKNOWN_ERROR,
"It was not possible to update the positions"
" of the relay log information: the slave may"
" be in an inconsistent state."
" Stopped in %s position %s",
rli->group_relay_log_name,
llstr(rli->group_relay_log_pos, buf));
DBUG_RETURN(1);
}
}
/*
Format_description_log_event should not be deleted because it will be
used to read info about the relay log's format; it will be deleted when
......@@ -2366,13 +2389,17 @@ Slave SQL thread aborted. Can't execute init_slave query");
THD_CHECK_SENTRY(thd);
if (exec_relay_log_event(thd,rli))
{
DBUG_PRINT("info", ("exec_relay_log_event() failed"));
// do not scare the user if SQL thread was simply killed or stopped
if (!sql_slave_killed(thd,rli))
{
/*
retrieve as much info as possible from the thd and, error codes and warnings
and print this to the error log as to allow the user to locate the error
retrieve as much info as possible from the thd and, error
codes and warnings and print this to the error log as to
allow the user to locate the error
*/
DBUG_PRINT("info", ("thd->net.last_errno=%d; rli->last_slave_errno=%d",
thd->net.last_errno, rli->last_slave_errno));
if (thd->net.last_errno != 0)
{
if (rli->last_slave_errno == 0)
......@@ -2699,6 +2726,7 @@ static int queue_binlog_ver_1_event(MASTER_INFO *mi, const char *buf,
my_free((char*) tmp_buf, MYF(MY_ALLOW_ZERO_PTR));
DBUG_RETURN(1);
}
pthread_mutex_lock(&mi->data_lock);
ev->log_pos= mi->master_log_pos; /* 3.23 events don't contain log_pos */
switch (ev->get_type_code()) {
......@@ -2962,7 +2990,7 @@ int queue_event(MASTER_INFO* mi,const char* buf, ulong event_len)
pthread_mutex_lock(log_lock);
if ((uint4korr(buf + SERVER_ID_OFFSET) == ::server_id) &&
!replicate_same_server_id)
!mi->rli.replicate_same_server_id)
{
/*
Do not write it to the relay log.
......
sql/slave.h
View file @ 070c147b
......@@ -162,9 +162,9 @@ bool show_binlog_info(THD* thd);
bool rpl_master_has_bug(RELAY_LOG_INFO *rli, uint bug_id);
const char *print_slave_db_safe(const char *db);
int check_expected_error(THD* thd, RELAY_LOG_INFO* rli, int error_code);
int check_expected_error(THD* thd, RELAY_LOG_INFO const *rli, int error_code);
void skip_load_data_infile(NET* net);
void slave_print_msg(enum loglevel level, RELAY_LOG_INFO* rli,
void slave_print_msg(enum loglevel level, RELAY_LOG_INFO const *rli,
int err_code, const char* msg, ...)
ATTRIBUTE_FORMAT(printf, 4, 5);
......@@ -182,7 +182,7 @@ int init_relay_log_pos(RELAY_LOG_INFO* rli,const char* log,ulonglong pos,
int purge_relay_logs(RELAY_LOG_INFO* rli, THD *thd, bool just_reset,
const char** errmsg);
void set_slave_thread_options(THD* thd);
void set_slave_thread_default_charset(THD* thd, RELAY_LOG_INFO *rli);
void set_slave_thread_default_charset(THD *thd, RELAY_LOG_INFO const *rli);
void rotate_relay_log(MASTER_INFO* mi);
pthread_handler_t handle_slave_io(void *arg);
......
sql/sql_binlog.cc
View file @ 070c147b
......@@ -163,9 +163,17 @@ void mysql_client_binlog_statement(THD* thd)
(ulong) uint4korr(bufptr+EVENT_LEN_OFFSET)));
#endif
ev->thd= thd;
if (IF_DBUG(int err= ) ev->exec_event(thd->rli_fake))
/*
We go directly to the application phase, since we don't need
to check if the event shall be skipped or not.
Neither do we have to update the log positions, since that is
not used at all: the rli_fake instance is used only for error
reporting.
*/
if (IF_DBUG(int err= ) ev->apply_event(thd->rli_fake))
{
DBUG_PRINT("error", ("exec_event() returned: %d", err));
DBUG_PRINT("info", ("apply_event() returned: %d", err));
/*
TODO: Maybe a better error message since the BINLOG statement
now contains several events.
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7