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Bug #46998 mysqlbinlog can't output BEGIN even if the database is included in a transaction

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The 'BEGIN/COMMIT/ROLLBACK' log event could be filtered out if the
database is not selected by --database option of mysqlbinlog command.
This can result in problem if there are some statements in the
transaction are not filtered out.

To fix the problem, mysqlbinlog will output 'BEGIN/ROLLBACK/COMMIT' 
in regardless of the database filtering rules.

client/mysqlbinlog.cc:
  Skip the database check for BEGIN/COMMIT/ROLLBACK log events.
mysql-test/r/mysqlbinlog.result:
  Test result for bug#46998
mysql-test/t/mysqlbinlog.test:
  Added test to verify if the 'BEGIN', 'COMMIT' and 'ROLLBACK' are output
  in regardless of database filtering
This commit is contained in:
unknown 2009-09-30 10:01:52 +08:00
parent 0fb0b2b1b8
commit de04eb6c37
4 changed files with 147 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
client/mysqlbinlog.cc
View file

@ -557,7 +557,10 @@ int process_event(PRINT_EVENT_INFO *print_event_info, Log_event *ev,
switch (ev_type) {
case QUERY_EVENT:
if (check_database(((Query_log_event*)ev)->db))
if (strncmp(((Query_log_event*)ev)->query, "BEGIN", 5) &&
strncmp(((Query_log_event*)ev)->query, "COMMIT", 6) &&
strncmp(((Query_log_event*)ev)->query, "ROLLBACK", 8) &&
check_database(((Query_log_event*)ev)->db))
goto end;
ev->print(result_file, print_event_info);
break;

81
mysql-test/r/mysqlbinlog.result
View file

@ -382,4 +382,85 @@ IS NOT NULL
SET @@global.server_id= 1;
RESET MASTER;
FLUSH LOGS;
RESET MASTER;
FLUSH LOGS;
#
# Test if the 'BEGIN', 'ROLLBACK' and 'COMMIT' are output if the database specified is exist
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
/*!50003 SET @OLD_COMPLETION_TYPE=@@COMPLETION_TYPE,COMPLETION_TYPE=0*/;
DELIMITER /*!*/;
ROLLBACK/*!*/;
use test/*!*/;
SET TIMESTAMP=1253783037/*!*/;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1/*!*/;
SET @@session.sql_mode=0/*!*/;
/*!\C latin1 *//*!*/;
SET @@session.character_set_client=8,@@session.collation_connection=8,@@session.collation_server=8/*!*/;
create table t1(a int) engine= innodb
/*!*/;
SET TIMESTAMP=1253783037/*!*/;
BEGIN
/*!*/;
SET TIMESTAMP=1253783037/*!*/;
insert into t1 (a) values (1)
/*!*/;
COMMIT/*!*/;
SET TIMESTAMP=1253783037/*!*/;
create table t3(a int) engine= innodb
/*!*/;
SET TIMESTAMP=1253783037/*!*/;
BEGIN
/*!*/;
SET TIMESTAMP=1253783037/*!*/;
insert into t3 (a) values (2)
/*!*/;
SET TIMESTAMP=1253783037/*!*/;
ROLLBACK
/*!*/;
SET TIMESTAMP=1253783037/*!*/;
create table t5(a int) engine= NDB
/*!*/;
SET TIMESTAMP=1253783037/*!*/;
BEGIN
/*!*/;
SET TIMESTAMP=1253783037/*!*/;
insert into t5 (a) values (3)
/*!*/;
SET TIMESTAMP=1253783037/*!*/;
COMMIT
/*!*/;
DELIMITER ;
# End of log file
ROLLBACK /* added by mysqlbinlog */;
/*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/;
#
# Test if the 'BEGIN', 'ROLLBACK' and 'COMMIT' are output if the database specified is not exist
/*!40019 SET @@session.max_insert_delayed_threads=0*/;
/*!50003 SET @OLD_COMPLETION_TYPE=@@COMPLETION_TYPE,COMPLETION_TYPE=0*/;
DELIMITER /*!*/;
ROLLBACK/*!*/;
SET TIMESTAMP=1253783037/*!*/;
SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1/*!*/;
SET @@session.sql_mode=0/*!*/;
/*!\C latin1 *//*!*/;
SET @@session.character_set_client=8,@@session.collation_connection=8,@@session.collation_server=8/*!*/;
BEGIN
/*!*/;
COMMIT/*!*/;
SET TIMESTAMP=1253783037/*!*/;
BEGIN
/*!*/;
SET TIMESTAMP=1253783037/*!*/;
ROLLBACK
/*!*/;
SET TIMESTAMP=1253783037/*!*/;
BEGIN
/*!*/;
SET TIMESTAMP=1253783037/*!*/;
COMMIT
/*!*/;
DELIMITER ;
# End of log file
ROLLBACK /* added by mysqlbinlog */;
/*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/;
End of 5.0 tests

BIN
mysql-test/std_data/binlog_transaction.000001 Normal file
View file

Binary file not shown.

62
mysql-test/t/mysqlbinlog.test
View file

@ -304,4 +304,66 @@ FLUSH LOGS;
# We do not need the results, just make sure that mysqlbinlog does not crash
--exec $MYSQL_BINLOG --hexdump --read-from-remote-server --user=root --host=127.0.0.1 --port=$MASTER_MYPORT master-bin.000001 >/dev/null
#
# #46998
# This test verifies if the 'BEGIN', 'COMMIT' and 'ROLLBACK' are output
# in regardless of database filtering
#
RESET MASTER;
FLUSH LOGS;
# The following three test cases were wrtten into binlog_transaction.000001
# Test case1: Test if the 'BEGIN' and 'COMMIT' are output for the 'test' database
# in transaction1 base on innodb engine tables
# use test;
# create table t1(a int) engine= innodb;
# use mysql;
# create table t2(a int) engine= innodb;
# Transaction1 begin
# begin;
# use test;
# insert into t1 (a) values (1);
# use mysql;
# insert into t2 (a) values (1);
# commit;
# Transaction1 end
# Test case2: Test if the 'BEGIN' and 'ROLLBACK' are output for the 'test' database
# in transaction2 base on innodb and myisam engine tables
# use test;
# create table t3(a int) engine= innodb;
# use mysql;
# create table t4(a int) engine= myisam;
# Transaction2 begin
# begin;
# use test;
# insert into t3 (a) values (2);
# use mysql;
# insert into t4 (a) values (2);
# rollback;
# Transaction2 end
# Test case3: Test if the 'BEGIN' and 'COMMIT' are output for the 'test' database
# in transaction3 base on NDB engine tables
# use test;
# create table t5(a int) engine= NDB;
# use mysql;
# create table t6(a int) engine= NDB;
# Transaction3 begin
# begin;
# use test;
# insert into t5 (a) values (3);
# use mysql;
# insert into t6 (a) values (3);
# commit;
# Transaction3 end
--echo #
--echo # Test if the 'BEGIN', 'ROLLBACK' and 'COMMIT' are output if the database specified is exist
--exec $MYSQL_BINLOG --database=test --short-form $MYSQLTEST_VARDIR/std_data_ln/binlog_transaction.000001
--echo #
--echo # Test if the 'BEGIN', 'ROLLBACK' and 'COMMIT' are output if the database specified is not exist
--exec $MYSQL_BINLOG --database=not_exist --short-form $MYSQLTEST_VARDIR/std_data_ln/binlog_transaction.000001
--echo End of 5.0 tests