Skip to content

M
MariaDB
Commit 2b41b8fa authored by serg@serg.mylan's avatar serg@serg.mylan
Browse files
Options

post-review fixes. Now ROLLBACK is done in Format_description_log_event

parent e4116bc2
Expand all Hide whitespace changes
Inline Side-by-side
Showing with 176 additions and 184 deletions
client/mysqlbinlog.cc
View file @ 2b41b8fa
......@@ -1171,11 +1171,10 @@ static int dump_local_log_entries(const char* logname)
{
/*
if binlog wasn't closed properly ("in use" flag is set) don't complain
about a corruption, but issue a "ROLLBACK" to annihilate half-logged
transaction. Otherwise, treat it as EOF and move to the next binlog.
about a corruption, but treat it as EOF and move to the next binlog.
*/
if (description_event->flags & LOG_EVENT_BINLOG_IN_USE_F)
fprintf(result_file, "ROLLBACK;\n");
file->error= 0;
else if (file->error)
{
fprintf(stderr,
......
mysql-test/r/ctype_ucs.result
View file @ 2b41b8fa
......@@ -527,8 +527,8 @@ show binlog events from 96;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 96 User var 1 136 @`v`=_ucs2 0x006100620063 COLLATE ucs2_general_ci
master-bin.000001 136 Query 1 226 use `test`; insert into t2 values (@v)
flush logs;
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
SET @`v`:=_ucs2 0x006100620063 COLLATE `ucs2_general_ci`;
use test;
SET TIMESTAMP=10000;
......
mysql-test/r/mysqlbinlog.result
View file @ 2b41b8fa
......@@ -15,6 +15,7 @@ flush logs;
--- Local --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
use test;
SET TIMESTAMP=1000000000;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1;
......@@ -47,6 +48,7 @@ insert into t1 values ("Alas");
--- --database --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
SET INSERT_ID=1;
--- --position --
......@@ -60,6 +62,7 @@ insert into t1 values ("Alas");
--- Remote --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
use test;
SET TIMESTAMP=1000000000;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1;
......@@ -92,6 +95,7 @@ insert into t1 values ("Alas");
--- --database --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
SET INSERT_ID=1;
--- --position --
......@@ -105,13 +109,12 @@ insert into t1 values ("Alas");
--- reading stdin --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
use test;
SET TIMESTAMP=1065204671;
BEGIN;
ROLLBACK;
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
use test;
SET TIMESTAMP=1065204671;
BEGIN;
ROLLBACK;
drop table t1, t2;
mysql-test/r/mysqlbinlog2.result
View file @ 2b41b8fa
......@@ -16,6 +16,7 @@ insert into t1 values(null, "f");
--- Local --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
use test;
SET TIMESTAMP=1579609942;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1;
......@@ -40,6 +41,7 @@ insert into t1 values(null, "e");
--- offset --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
SET INSERT_ID=1;
use test;
SET TIMESTAMP=1579609942;
......@@ -75,6 +77,7 @@ insert into t1 values(null, "e");
--- stop-position --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
use test;
SET TIMESTAMP=1579609942;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1;
......@@ -93,6 +96,7 @@ insert into t1 values(null, "c");
--- start-datetime --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
SET INSERT_ID=3;
use test;
SET TIMESTAMP=1579609944;
......@@ -109,6 +113,7 @@ insert into t1 values(null, "e");
--- stop-datetime --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
use test;
SET TIMESTAMP=1579609942;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1;
......@@ -124,6 +129,7 @@ insert into t1 values(null, "b");
--- Local with 2 binlogs on command line --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
use test;
SET TIMESTAMP=1579609942;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1;
......@@ -152,10 +158,10 @@ SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.uniq
SET @@session.sql_mode=0;
SET @@session.character_set_client=8,@@session.collation_connection=8,@@session.collation_server=8;
insert into t1 values(null, "f");
ROLLBACK;
--- offset --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
SET INSERT_ID=1;
use test;
SET TIMESTAMP=1579609942;
......@@ -182,7 +188,6 @@ SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.uniq
SET @@session.sql_mode=0;
SET @@session.character_set_client=8,@@session.collation_connection=8,@@session.collation_server=8;
insert into t1 values(null, "f");
ROLLBACK;
--- start-position --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
......@@ -203,10 +208,10 @@ SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.uniq
SET @@session.sql_mode=0;
SET @@session.character_set_client=8,@@session.collation_connection=8,@@session.collation_server=8;
insert into t1 values(null, "f");
ROLLBACK;
--- stop-position --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
use test;
SET TIMESTAMP=1579609942;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1;
......@@ -232,6 +237,7 @@ SET INSERT_ID=6;
--- start-datetime --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
SET INSERT_ID=3;
use test;
SET TIMESTAMP=1579609944;
......@@ -252,10 +258,10 @@ SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.uniq
SET @@session.sql_mode=0;
SET @@session.character_set_client=8,@@session.collation_connection=8,@@session.collation_server=8;
insert into t1 values(null, "f");
ROLLBACK;
--- stop-datetime --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
use test;
SET TIMESTAMP=1579609942;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1;
......@@ -271,6 +277,7 @@ insert into t1 values(null, "b");
--- Remote --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
use test;
SET TIMESTAMP=1579609942;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1;
......@@ -295,6 +302,7 @@ insert into t1 values(null, "e");
--- offset --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
SET INSERT_ID=1;
use test;
SET TIMESTAMP=1579609942;
......@@ -330,6 +338,7 @@ insert into t1 values(null, "e");
--- stop-position --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
use test;
SET TIMESTAMP=1579609942;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1;
......@@ -348,6 +357,7 @@ insert into t1 values(null, "c");
--- start-datetime --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
SET INSERT_ID=3;
use test;
SET TIMESTAMP=1579609944;
......@@ -364,6 +374,7 @@ insert into t1 values(null, "e");
--- stop-datetime --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
use test;
SET TIMESTAMP=1579609942;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1;
......@@ -379,6 +390,7 @@ insert into t1 values(null, "b");
--- Remote with 2 binlogs on command line --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
use test;
SET TIMESTAMP=1579609942;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1;
......@@ -410,6 +422,7 @@ insert into t1 values(null, "f");
--- offset --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
SET INSERT_ID=1;
use test;
SET TIMESTAMP=1579609942;
......@@ -459,6 +472,7 @@ insert into t1 values(null, "f");
--- stop-position --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
use test;
SET TIMESTAMP=1579609942;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1;
......@@ -484,6 +498,7 @@ SET INSERT_ID=6;
--- start-datetime --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
SET INSERT_ID=3;
use test;
SET TIMESTAMP=1579609944;
......@@ -507,6 +522,7 @@ insert into t1 values(null, "f");
--- stop-datetime --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
use test;
SET TIMESTAMP=1579609942;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1;
......@@ -522,6 +538,7 @@ insert into t1 values(null, "b");
--- to-last-log --
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
use test;
SET TIMESTAMP=1579609942;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1;
......
mysql-test/r/rpl_charset.result
View file @ 2b41b8fa
......@@ -175,6 +175,7 @@ select hex(c1), hex(c2) from t1;
hex(c1) hex(c2)
CDF32C20E7E020F0FBE1E0EBEAF3 CDF32C20E7E020F0FBE1E0EBEAF3
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
SET TIMESTAMP=1000000000;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1;
SET @@session.sql_mode=0;
......@@ -244,5 +245,4 @@ CREATE TABLE t1 (c1 VARBINARY(255), c2 VARBINARY(255));
SET TIMESTAMP=1000000000;
SET @@session.character_set_client=7,@@session.collation_connection=51,@@session.collation_server=30;
INSERT INTO t1 (c1, c2) VALUES (', ',', ');
ROLLBACK;
drop table t1;
mysql-test/r/user_var.result
View file @ 2b41b8fa
......@@ -181,8 +181,8 @@ master-bin.000001 137 Query 1 230 use `test`; INSERT INTO t1 VALUES(@`a b`)
master-bin.000001 230 User var 1 272 @`var1`=_latin1 0x273B616161 COLLATE latin1_swedish_ci
master-bin.000001 272 User var 1 310 @`var2`=_latin1 0x61 COLLATE latin1_swedish_ci
master-bin.000001 310 Query 1 411 use `test`; insert into t1 values (@var1),(@var2)
flush logs;
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
ROLLBACK;
SET @`a b`:=_latin1 0x68656C6C6F COLLATE `latin1_swedish_ci`;
use test;
SET TIMESTAMP=10000;
......
mysql-test/t/ctype_ucs.test
View file @ 2b41b8fa
......@@ -339,7 +339,6 @@ set @v=convert('abc' using ucs2);
reset master;
insert into t2 values (@v);
show binlog events from 96;
flush logs;
# more important than SHOW BINLOG EVENTS, mysqlbinlog (where we
# absolutely need variables names to be quoted and strings to be
# escaped).
......
mysql-test/t/mix_innodb_myisam_binlog.test
View file @ 2b41b8fa
......@@ -26,6 +26,7 @@ insert into t2 select * from t1;
commit;
--replace_column 5 #
--replace_result "xid=12" "xid=7"
show binlog events from 96;
delete from t1;
......@@ -54,6 +55,7 @@ rollback to savepoint my_savepoint;
commit;
--replace_column 5 #
--replace_result "xid=45" "xid=24"
show binlog events from 96;
delete from t1;
......@@ -71,6 +73,7 @@ commit;
select a from t1 order by a; # check that savepoints work :)
--replace_column 5 #
--replace_result "xid=67" "xid=36"
show binlog events from 96;
# and when ROLLBACK is not explicit?
......@@ -103,6 +106,7 @@ insert into t1 values(9);
insert into t2 select * from t1;
--replace_column 5 #
--replace_result "xid=116" "xid=59"
show binlog events from 96;
# Check that when the query updat1ng the MyISAM table is the first in the
......@@ -115,11 +119,13 @@ insert into t1 values(10); # first make t1 non-empty
begin;
insert into t2 select * from t1;
--replace_column 5 #
--replace_result "xid=130" "xid=65"
show binlog events from 96;
insert into t1 values(11);
commit;
--replace_column 5 #
--replace_result "xid=130" "xid=65" "xid=133" "xid=67"
show binlog events from 96;
......@@ -138,6 +144,7 @@ insert into t2 select * from t1;
commit;
--replace_column 5 #
--replace_result "xid=152" "xid=77"
show binlog events from 96;
delete from t1;
......@@ -165,6 +172,7 @@ rollback to savepoint my_savepoint;
commit;
--replace_column 5 #
--replace_result "xid=184" "xid=93"
show binlog events from 96;
delete from t1;
......@@ -182,6 +190,7 @@ commit;
select a from t1 order by a; # check that savepoints work :)
--replace_column 5 #
--replace_result "xid=205" "xid=104"
show binlog events from 96;
# Test for BUG#5714, where a MyISAM update in the transaction used to
......
mysql-test/t/user_var.test
View file @ 2b41b8fa
......@@ -111,7 +111,6 @@ set @var1= "';aaa";
SET @var2=char(ascii('a'));
insert into t1 values (@var1),(@var2);
show binlog events from 96;
flush logs;
# more important than SHOW BINLOG EVENTS, mysqlbinlog (where we
# absolutely need variables names to be quoted and strings to be
# escaped).
......
sql/log_event.cc
View file @ 2b41b8fa
This diff is collapsed.
sql/log_event.h
View file @ 2b41b8fa
......@@ -312,14 +312,14 @@ struct sql_ex_info
small chance that mysqld crashes in the middle of insert and end of
the binlog would look like a Stop_log_event).
This flag is used to detect a restart after a crash,
and to provide "unbreakable" binlog. The problem is that on a crash
storage engines rollback automatically, while binlog does not.
To solve this we use this flag and automatically append ROLLBACK
to every non-closed binlog (append virtually, on reading, file itself
is not changed). If this flag is found, mysqlbinlog simply prints "ROLLBACK"
Replication master does not abort on binlog corruption, but takes it as EOF,
and replication slave forces a rollback in this case (see below).
This flag is used to detect a restart after a crash, and to provide
"unbreakable" binlog. The problem is that on a crash storage engines
rollback automatically, while binlog does not. To solve this we use this
flag and automatically append ROLLBACK to every non-closed binlog (append
virtually, on reading, file itself is not changed). If this flag is found,
mysqlbinlog simply prints "ROLLBACK" Replication master does not abort on
binlog corruption, but takes it as EOF, and replication slave forces a
rollback in this case.
Note, that old binlogs does not have this flag set, so we get a
a backward-compatible behaviour.
......@@ -327,16 +327,6 @@ struct sql_ex_info
#define LOG_EVENT_BINLOG_IN_USE_F 0x1
/*
This flag is only used for fake Rotate_log_event. When a master, doing
binlog dump, reaches the end of the binlog and fakes a rotate to make
the slave to go to a new file, this flag is used if there was no
"natural" Rotate_log_event.
If this flag is set, slave will execute ROLLBACK before going further
*/
#define LOG_EVENT_FORCE_ROLLBACK_F 0x1
/*
If the query depends on the thread (for example: TEMPORARY TABLE).
Currently this is used by mysqlbinlog to know it must print
......@@ -903,8 +893,8 @@ class Start_log_event_v3: public Log_event
binary log) was created. In the other case (i.e. this event is at
the start of a binary log created by FLUSH LOGS or automatic
rotation), 'created' should be 0. This "trick" is used by MySQL
>=4.0.14 slaves to know if they must drop the stale temporary
tables or not.
>=4.0.14 slaves to know whether they must drop stale temporary
tables and whether they should abort unfinished transaction.
Note that when 'created'!=0, it is always equal to the event's
timestamp; indeed Start_log_event is written only in log.cc where
......
sql/mysql_priv.h
View file @ 2b41b8fa
......@@ -456,6 +456,14 @@ bool delete_precheck(THD *thd, TABLE_LIST *tables);
bool insert_precheck(THD *thd, TABLE_LIST *tables);
bool create_table_precheck(THD *thd, TABLE_LIST *tables,
TABLE_LIST *create_table);
enum enum_mysql_completiontype {
ROLLBACK_RELEASE=-2, ROLLBACK=1, ROLLBACK_AND_CHAIN=7,
COMMIT_RELEASE=-1, COMMIT=0, COMMIT_AND_CHAIN=6
};
int end_trans(THD *thd, enum enum_mysql_completiontype completion);
Item *negate_expression(THD *thd, Item *expr);
#include "sql_class.h"
#include "sql_acl.h"
......
sql/slave.cc
View file @ 2b41b8fa
......@@ -1722,7 +1722,7 @@ static int init_relay_log_info(RELAY_LOG_INFO* rli,
if (rli->relay_log.open_index_file(opt_relaylog_index_name, ln) ||
rli->relay_log.open(ln, LOG_BIN, 0, SEQ_READ_APPEND, 0,
(max_relay_log_size ? max_relay_log_size :
max_binlog_size), 0))
max_binlog_size), 1))
{
pthread_mutex_unlock(&rli->data_lock);
sql_print_error("Failed in open_log() called from init_relay_log_info()");
......@@ -3111,17 +3111,17 @@ static int exec_relay_log_event(THD* thd, RELAY_LOG_INFO* rli)
{
/*
We acquire this mutex since we need it for all operations except
event execution. But we will release it in places where we will
event execution. But we will release it in places where we will
wait for something for example inside of next_event().
*/
pthread_mutex_lock(&rli->data_lock);
if (rli->until_condition!=RELAY_LOG_INFO::UNTIL_NONE &&
rli->is_until_satisfied())
if (rli->until_condition!=RELAY_LOG_INFO::UNTIL_NONE &&
rli->is_until_satisfied())
{
sql_print_error("Slave SQL thread stopped because it reached its"
" UNTIL position %ld", (long) rli->until_pos());
/*
/*
Setting abort_slave flag because we do not want additional message about
error in query execution to be printed.
*/
......@@ -3129,11 +3129,11 @@ static int exec_relay_log_event(THD* thd, RELAY_LOG_INFO* rli)
pthread_mutex_unlock(&rli->data_lock);
return 1;
}
Log_event * ev = next_event(rli);
DBUG_ASSERT(rli->sql_thd==thd);
if (sql_slave_killed(thd,rli))
{
pthread_mutex_unlock(&rli->data_lock);
......@@ -3158,13 +3158,13 @@ static int exec_relay_log_event(THD* thd, RELAY_LOG_INFO* rli)
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 &&
(rli->slave_skip_counter &&
type_code != ROTATE_EVENT && type_code != STOP_EVENT &&
type_code != START_EVENT_V3 && type_code!= FORMAT_DESCRIPTION_EVENT))
{
......@@ -3173,24 +3173,24 @@ static int exec_relay_log_event(THD* thd, RELAY_LOG_INFO* rli)
rli->inc_event_relay_log_pos();
else
{
rli->inc_group_relay_log_pos((type_code == ROTATE_EVENT ||
rli->inc_group_relay_log_pos((type_code == ROTATE_EVENT ||
type_code == STOP_EVENT ||
type_code == FORMAT_DESCRIPTION_EVENT) ?
LL(0) : ev->log_pos,
1/* skip lock*/);
flush_relay_log_info(rli);
}
/*
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.
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 ||
if (rli->slave_skip_counter &&
!((type_code == INTVAR_EVENT ||
type_code == RAND_EVENT ||
type_code == USER_VAR_EVENT) &&
rli->slave_skip_counter == 1) &&
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
......@@ -3205,34 +3205,20 @@ static int exec_relay_log_event(THD* thd, RELAY_LOG_INFO* rli)
type_code == START_EVENT_V3 || type_code == FORMAT_DESCRIPTION_EVENT)))
--rli->slave_skip_counter;
pthread_mutex_unlock(&rli->data_lock);
delete ev;
return 0; // avoid infinite update loops
}
delete ev;
return 0; // avoid infinite update loops
}
pthread_mutex_unlock(&rli->data_lock);
thd->server_id = ev->server_id; // use the original server id for logging
thd->set_time(); // time the query
thd->lex->current_select= 0;
if (!ev->when)
{
ev->when = time(NULL);
/*
fake Rotate: it means that normal execution flow of statements is
interrupted. Let's fake ROLLBACK to undo any half-executed transaction
*/
if (ev->get_type_code() == ROTATE_EVENT &&
ev->flags & LOG_EVENT_FORCE_ROLLBACK_F)
{
ha_rollback_stmt(thd);
ha_rollback(thd);
thd->options&= ~(ulong) (OPTION_BEGIN | OPTION_STATUS_NO_TRANS_UPDATE);
thd->server_status&= ~SERVER_STATUS_IN_TRANS;
}
}
ev->thd = thd;
exec_res = ev->exec_event(rli);
DBUG_ASSERT(rli->sql_thd==thd);
/*
/*
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
the SQL thread does not need it, i.e. when this thread terminates.
......@@ -3267,17 +3253,17 @@ extern "C" pthread_handler_decl(handle_slave_io,arg)
{
THD *thd; // needs to be first for thread_stack
MYSQL *mysql;
MASTER_INFO *mi = (MASTER_INFO*)arg;
MASTER_INFO *mi = (MASTER_INFO*)arg;
char llbuff[22];
uint retry_count;
// needs to call my_thread_init(), otherwise we get a coredump in DBUG_ stuff
my_thread_init();
DBUG_ENTER("handle_slave_io");
#ifndef DBUG_OFF
slave_begin:
#endif
#endif
DBUG_ASSERT(mi->inited);
mysql= NULL ;
retry_count= 0;
......@@ -3286,10 +3272,10 @@ extern "C" pthread_handler_decl(handle_slave_io,arg)
/* Inform waiting threads that slave has started */
mi->slave_run_id++;
#ifndef DBUG_OFF
#ifndef DBUG_OFF
mi->events_till_abort = abort_slave_event_count;
#endif
#endif
thd= new THD; // note that contructor of THD uses DBUG_ !
THD_CHECK_SENTRY(thd);
......@@ -3310,17 +3296,17 @@ extern "C" pthread_handler_decl(handle_slave_io,arg)
mi->abort_slave = 0;
pthread_mutex_unlock(&mi->run_lock);
pthread_cond_broadcast(&mi->start_cond);
DBUG_PRINT("master_info",("log_file_name: '%s' position: %s",
mi->master_log_name,
llstr(mi->master_log_pos,llbuff)));
if (!(mi->mysql = mysql = mysql_init(NULL)))
{
sql_print_error("Slave I/O thread: error in mysql_init()");
goto err;
}
thd->proc_info = "Connecting to master";
// we can get killed during safe_connect
if (!safe_connect(thd, mysql, mi))
......@@ -3355,11 +3341,11 @@ extern "C" pthread_handler_decl(handle_slave_io,arg)
if (register_slave_on_master(mysql) || update_slave_list(mysql, mi))
goto err;
}
DBUG_PRINT("info",("Starting reading binary log from master"));
while (!io_slave_killed(thd,mi))
{
bool suppress_warnings= 0;
bool suppress_warnings= 0;
thd->proc_info = "Requesting binlog dump";
if (request_dump(mysql, mi, &suppress_warnings))
{
......@@ -3370,7 +3356,7 @@ extern "C" pthread_handler_decl(handle_slave_io,arg)
dump");
goto err;
}
mi->slave_running= MYSQL_SLAVE_RUN_NOT_CONNECT;
thd->proc_info= "Waiting to reconnect after a failed binlog dump request";
#ifdef SIGNAL_WITH_VIO_CLOSE
......@@ -3414,8 +3400,8 @@ after reconnect");
while (!io_slave_killed(thd,mi))
{
bool suppress_warnings= 0;
/*
bool suppress_warnings= 0;
/*
We say "waiting" because read_event() will wait if there's nothing to
read. But if there's something to read, it will not wait. The
important thing is to not confuse users by saying "reading" whereas
......@@ -3429,7 +3415,7 @@ after reconnect");
sql_print_information("Slave I/O thread killed while reading event");
goto err;
}
if (event_len == packet_error)
{
uint mysql_error_number= mysql_errno(mysql);
......@@ -3460,7 +3446,7 @@ max_allowed_packet",
goto err; // Don't retry forever
safe_sleep(thd,mi->connect_retry,(CHECK_KILLED_FUNC)io_slave_killed,
(void*) mi);
}
}
if (io_slave_killed(thd,mi))
{
if (global_system_variables.log_warnings)
......@@ -3483,7 +3469,7 @@ reconnect done to recover from failed read");
}
goto connected;
} // if (event_len == packet_error)
retry_count=0; // ok event, reset retry counter
thd->proc_info = "Queueing master event to the relay log";
if (queue_event(mi,(const char*)mysql->net.read_pos + 1,
......
sql/sql_parse.cc
View file @ 2b41b8fa
......@@ -1286,33 +1286,22 @@ int mysql_table_dump(THD* thd, char* db, char* tbl_name, int fd)
/*
Ends the current transaction and (maybe) begin the next
First uint4 in packet is completion type
SYNOPSIS
end_trans_and_send_ok()
end_trans()
thd Current thread
completion Completion type
release (OUT) indicator for release operation
RETURN
0 - OK
*/
enum enum_mysql_completiontype {
ROLLBACK_RELEASE=-2,
COMMIT_RELEASE=-1,
COMMIT=0,
ROLLBACK=1,
COMMIT_AND_CHAIN=6,
ROLLBACK_AND_CHAIN=7
};
int end_trans_and_send_ok(THD *thd, enum enum_mysql_completiontype completion)
int end_trans(THD *thd, enum enum_mysql_completiontype completion)
{
bool do_release= 0;
int res= 0;
LEX *lex= thd->lex;
DBUG_ENTER("end_trans_and_send_ok");
DBUG_ENTER("end_trans");
switch (completion) {
case COMMIT:
......@@ -1323,8 +1312,7 @@ int end_trans_and_send_ok(THD *thd, enum enum_mysql_completiontype completion)
*/
thd->options&= ~(ulong) (OPTION_BEGIN | OPTION_STATUS_NO_TRANS_UPDATE);
thd->server_status&= ~SERVER_STATUS_IN_TRANS;
if (!(res= ha_commit(thd)))
send_ok(thd);
res= ha_commit(thd);
break;
case COMMIT_RELEASE:
do_release= 1; /* fall through */
......@@ -1332,8 +1320,6 @@ int end_trans_and_send_ok(THD *thd, enum enum_mysql_completiontype completion)
res= end_active_trans(thd);
if (!res && completion == COMMIT_AND_CHAIN)
res= begin_trans(thd);
if (!res)
send_ok(thd);
break;
case ROLLBACK_RELEASE:
do_release= 1; /* fall through */
......@@ -1346,9 +1332,6 @@ int end_trans_and_send_ok(THD *thd, enum enum_mysql_completiontype completion)
thd->options&= ~(ulong) (OPTION_BEGIN | OPTION_STATUS_NO_TRANS_UPDATE);
if (!res && (completion == ROLLBACK_AND_CHAIN))
res= begin_trans(thd);
if (!res)
send_ok(thd);
break;
}
default:
......@@ -3853,14 +3836,16 @@ mysql_execute_command(THD *thd)
send_ok(thd);
break;
case SQLCOM_COMMIT:
if (end_trans_and_send_ok(thd, lex->tx_release ? COMMIT_RELEASE :
if (end_trans(thd, lex->tx_release ? COMMIT_RELEASE :
lex->tx_chain ? COMMIT_AND_CHAIN : COMMIT))
goto error;
send_ok(thd);
break;
case SQLCOM_ROLLBACK:
if (end_trans_and_send_ok(thd, lex->tx_release ? ROLLBACK_RELEASE :
if (end_trans(thd, lex->tx_release ? ROLLBACK_RELEASE :
lex->tx_chain ? ROLLBACK_AND_CHAIN : ROLLBACK))
goto error;
send_ok(thd);
break;
case SQLCOM_RELEASE_SAVEPOINT:
{
......
sql/sql_repl.cc
View file @ 2b41b8fa
......@@ -44,7 +44,7 @@ static int binlog_dump_count = 0;
*/
static int fake_rotate_event(NET* net, String* packet, char* log_file_name,
ulonglong position, int flags, const char** errmsg)
ulonglong position, const char** errmsg)
{
DBUG_ENTER("fake_rotate_event");
char header[LOG_EVENT_HEADER_LEN], buf[ROTATE_HEADER_LEN+100];
......@@ -60,7 +60,7 @@ static int fake_rotate_event(NET* net, String* packet, char* log_file_name,
ulong event_len = ident_len + LOG_EVENT_HEADER_LEN + ROTATE_HEADER_LEN;
int4store(header + SERVER_ID_OFFSET, server_id);
int4store(header + EVENT_LEN_OFFSET, event_len);
int2store(header + FLAGS_OFFSET, flags);
int2store(header + FLAGS_OFFSET, 0);
// TODO: check what problems this may cause and fix them
int4store(header + LOG_POS_OFFSET, 0);
......@@ -325,7 +325,7 @@ void mysql_binlog_send(THD* thd, char* log_ident, my_off_t pos,
const char *errmsg = "Unknown error";
NET* net = &thd->net;
pthread_mutex_t *log_lock;
bool binlog_can_be_corrupted= FALSE, rotate_was_found=FALSE;
bool binlog_can_be_corrupted= FALSE;
#ifndef DBUG_OFF
int left_events = max_binlog_dump_events;
#endif
......@@ -419,7 +419,7 @@ impossible position";
given that we want minimum modification of 4.0, we send the normal
and fake Rotates.
*/
if (fake_rotate_event(net, packet, log_file_name, pos, 0, &errmsg))
if (fake_rotate_event(net, packet, log_file_name, pos, &errmsg))
{
/*
This error code is not perfect, as fake_rotate_event() does not
......@@ -509,8 +509,6 @@ impossible position";
binlog_can_be_corrupted= (*packet)[FLAGS_OFFSET+1] & LOG_EVENT_BINLOG_IN_USE_F;
else if ((*packet)[EVENT_TYPE_OFFSET+1] == STOP_EVENT)
binlog_can_be_corrupted= FALSE;
else if ((*packet)[EVENT_TYPE_OFFSET+1] == ROTATE_EVENT)
rotate_was_found=TRUE;
if (my_net_write(net, (char*)packet->ptr(), packet->length()))
{
......@@ -690,13 +688,11 @@ impossible position";
*/
if ((file=open_binlog(&log, log_file_name, &errmsg)) < 0 ||
fake_rotate_event(net, packet, log_file_name, BIN_LOG_HEADER_SIZE,
rotate_was_found ? 0 : LOG_EVENT_FORCE_ROLLBACK_F,
&errmsg))
{
my_errno= ER_MASTER_FATAL_ERROR_READING_BINLOG;
goto err;
}
rotate_was_found=FALSE;
packet->length(0);
packet->append('\0');
}
......
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