Nice work! Approved!
Luis Soares wrote:
> #At file:///home/lsoares/Workspace/bzr/work/bugfixing/54842/mysql-trunk-bugfixing/
> based on revid:alik@stripped
>
> 3079 Luis Soares 2010-06-29
> BUG#54842: DROP TEMPORARY TABLE not binlogged after manual
> switching binlog format to ROW
>
> BUG 52616 fixed the case which the user would switch from STMT to
> ROW binlog format, but the server would silently ignore it. After
> that fix thd->is_current_stmt_binlog_format_row() reports correct
> value at logging time and events are logged in ROW (as expected)
> instead of STMT as they were previously and wrongly logged.
>
> However, the fix was only partially complete, because on
> disconnect, at THD cleanup, the implicit logging of temporary
> tables is conditionally performed. If the binlog_format==ROW and
> thd->is_current_stmt_binlog_format_row() is true then DROPs are
> not logged. Given that the user can switch from STMT to ROW, this
> is wrong because the server cannot tell, just by relying on the
> ROW binlog format, that the tables have been dropped before. This
> is effectively similar to the MIXED scenario when a switch from
> STMT to ROW is triggered.
>
> We fix this by removing this condition from
> close_temporary_tables.
> @ mysql-test/extra/binlog_tests/drop_temp_table.test
> Added binlog test case.
> @ mysql-test/suite/binlog/r/binlog_row_drop_tmp_tbl.result
> Result changes because:
> - there is a missing drop on three temporary tables
> - it now contains results for the test added
> @ mysql-test/suite/binlog/r/binlog_row_mix_innodb_myisam.result
> Result now contains the implicit drop for the temporary table.
> @ mysql-test/suite/binlog/r/binlog_stm_drop_tmp_tbl.result
> Result file changed because it now contains results for added
> test case.
> @ mysql-test/suite/rpl/r/rpl_drop_temp.result
> Result file changed because it now contains results for added
> test case.
> @ mysql-test/suite/rpl/t/rpl_drop_temp.test
> Added replication test case.
> @ sql/sql_base.cc
> Removed the condition that would make the server to skip
> logging implicit drops when ROW binary log format mode was
> in use.
> Additionally, deployed DBUG_ENTER/RETURN macros.
>
> modified:
> mysql-test/extra/binlog_tests/drop_temp_table.test
> mysql-test/suite/binlog/r/binlog_row_drop_tmp_tbl.result
> mysql-test/suite/binlog/r/binlog_row_mix_innodb_myisam.result
> mysql-test/suite/binlog/r/binlog_stm_drop_tmp_tbl.result
> mysql-test/suite/rpl/r/rpl_drop_temp.result
> mysql-test/suite/rpl/t/rpl_drop_temp.test
> sql/sql_base.cc
> === modified file 'mysql-test/extra/binlog_tests/drop_temp_table.test'
> --- a/mysql-test/extra/binlog_tests/drop_temp_table.test 2010-02-26 13:16:46 +0000
> +++ b/mysql-test/extra/binlog_tests/drop_temp_table.test 2010-06-29 10:54:58 +0000
> @@ -69,4 +69,34 @@ let $VERSION=`SELECT VERSION()`;
> source include/show_binlog_events.inc;
> DROP DATABASE `drop-temp+table-test`;
>
> +
> +#
> +# Bug #54842: DROP TEMPORARY TABLE not binlogged after manual switching binlog
> format to ROW
> +#
> +# Sanity test. Checking that implicit DROP event is logged.
> +#
> +# After BUG#52616, the switch to ROW mode becomes effective even
> +# if there are open temporary tables. As such the implicit drop
> +# for temporary tables on session closing must be logged.
> +#
> +
> +RESET MASTER;
> +
> +CREATE TABLE t1 ( i text );
> +
> +--connect(con1,localhost,root,,)
> +CREATE TEMPORARY TABLE ttmp1 ( i text );
> +SET @@session.binlog_format=ROW;
> +INSERT INTO t1 VALUES ('1');
> +SELECT @@session.binlog_format;
> +--disconnect con1
> +
> +-- connection default
> +--let $wait_binlog_event= DROP
> +--source include/wait_for_binlog_event.inc
> +-- source include/show_binlog_events.inc
> +RESET MASTER;
> +
> +DROP TABLE t1;
> +
> # End of 4.1 tests
>
> === modified file 'mysql-test/suite/binlog/r/binlog_row_drop_tmp_tbl.result'
> --- a/mysql-test/suite/binlog/r/binlog_row_drop_tmp_tbl.result 2010-04-20 09:10:43
> +0000
> +++ b/mysql-test/suite/binlog/r/binlog_row_drop_tmp_tbl.result 2010-06-29 10:54:58
> +0000
> @@ -33,4 +33,23 @@ master-bin.000001 # Query # # use `drop-
> master-bin.000001 # Query # # use `drop-temp+table-test`; DROP TABLE IF EXISTS `t`
> /* generated by server */
> master-bin.000001 # Query # # use `drop-temp+table-test`; DROP TEMPORARY TABLE IF
> EXISTS `tmp2` /* generated by server */
> master-bin.000001 # Query # # use `drop-temp+table-test`; DROP TABLE IF EXISTS tmp2,
> t
> +master-bin.000001 # Query # # use `drop-temp+table-test`; DROP /*!40005 TEMPORARY */
> TABLE IF EXISTS `shortn2`,`table:name`,`shortn1`
> DROP DATABASE `drop-temp+table-test`;
> +RESET MASTER;
> +CREATE TABLE t1 ( i text );
> +CREATE TEMPORARY TABLE ttmp1 ( i text );
> +SET @@session.binlog_format=ROW;
> +INSERT INTO t1 VALUES ('1');
> +SELECT @@session.binlog_format;
> +@@session.binlog_format
> +ROW
> +show binlog events from <binlog_start>;
> +Log_name Pos Event_type Server_id End_log_pos Info
> +master-bin.000001 # Query # # use `test`; CREATE TABLE t1 ( i text )
> +master-bin.000001 # Query # # BEGIN
> +master-bin.000001 # Table_map # # table_id: # (test.t1)
> +master-bin.000001 # Write_rows # # table_id: # flags: STMT_END_F
> +master-bin.000001 # Query # # COMMIT
> +master-bin.000001 # Query # # use `test`; DROP /*!40005 TEMPORARY */ TABLE IF EXISTS
> `ttmp1`
> +RESET MASTER;
> +DROP TABLE t1;
>
> === modified file 'mysql-test/suite/binlog/r/binlog_row_mix_innodb_myisam.result'
> --- a/mysql-test/suite/binlog/r/binlog_row_mix_innodb_myisam.result 2010-06-01
> 19:34:40 +0000
> +++ b/mysql-test/suite/binlog/r/binlog_row_mix_innodb_myisam.result 2010-06-29
> 10:54:58 +0000
> @@ -297,6 +297,7 @@ master-bin.000001 # Table_map # # table_
> master-bin.000001 # Write_rows # # table_id: # flags: STMT_END_F
> master-bin.000001 # Query # # COMMIT
> master-bin.000001 # Query # # use `test`; create table t2 (n int) engine=innodb
> +master-bin.000001 # Query # # use `test`; DROP /*!40005 TEMPORARY */ TABLE IF EXISTS
> `t1`,`ti`
> do release_lock("lock1");
> drop table t0,t2;
> set autocommit=0;
>
> === modified file 'mysql-test/suite/binlog/r/binlog_stm_drop_tmp_tbl.result'
> --- a/mysql-test/suite/binlog/r/binlog_stm_drop_tmp_tbl.result 2010-02-26 13:16:46
> +0000
> +++ b/mysql-test/suite/binlog/r/binlog_stm_drop_tmp_tbl.result 2010-06-29 10:54:58
> +0000
> @@ -42,3 +42,22 @@ master-bin.000001 # Query # # use `drop-
> master-bin.000001 # Query # # use `drop-temp+table-test`; DROP TABLE IF EXISTS tmp2,
> t
> master-bin.000001 # Query # # use `drop-temp+table-test`; DROP /*!40005 TEMPORARY */
> TABLE IF EXISTS `shortn2`,`table:name`,`shortn1`
> DROP DATABASE `drop-temp+table-test`;
> +RESET MASTER;
> +CREATE TABLE t1 ( i text );
> +CREATE TEMPORARY TABLE ttmp1 ( i text );
> +SET @@session.binlog_format=ROW;
> +INSERT INTO t1 VALUES ('1');
> +SELECT @@session.binlog_format;
> +@@session.binlog_format
> +ROW
> +show binlog events from <binlog_start>;
> +Log_name Pos Event_type Server_id End_log_pos Info
> +master-bin.000001 # Query # # use `test`; CREATE TABLE t1 ( i text )
> +master-bin.000001 # Query # # use `test`; CREATE TEMPORARY TABLE ttmp1 ( i text )
> +master-bin.000001 # Query # # BEGIN
> +master-bin.000001 # Table_map # # table_id: # (test.t1)
> +master-bin.000001 # Write_rows # # table_id: # flags: STMT_END_F
> +master-bin.000001 # Query # # COMMIT
> +master-bin.000001 # Query # # use `test`; DROP /*!40005 TEMPORARY */ TABLE IF EXISTS
> `ttmp1`
> +RESET MASTER;
> +DROP TABLE t1;
>
> === modified file 'mysql-test/suite/rpl/r/rpl_drop_temp.result'
> --- a/mysql-test/suite/rpl/r/rpl_drop_temp.result 2009-12-31 04:04:19 +0000
> +++ b/mysql-test/suite/rpl/r/rpl_drop_temp.result 2010-06-29 10:54:58 +0000
> @@ -26,3 +26,24 @@ CREATE TEMPORARY TABLE tmp3 (a int);
> DROP TEMPORARY TABLE tmp3;
> SET GLOBAL SQL_SLAVE_SKIP_COUNTER=1;
> START SLAVE;
> +stop slave;
> +drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
> +reset master;
> +reset slave;
> +drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
> +start slave;
> +CREATE TABLE t1 ( i INT );
> +SHOW STATUS LIKE 'Slave_open_temp_tables';
> +Variable_name Value
> +Slave_open_temp_tables 0
> +CREATE TEMPORARY TABLE ttmp1 ( i INT );
> +SET SESSION binlog_format=ROW;
> +SHOW STATUS LIKE 'Slave_open_temp_tables';
> +Variable_name Value
> +Slave_open_temp_tables 0
> +show binlog events from <binlog_start>;
> +Log_name Pos Event_type Server_id End_log_pos Info
> +master-bin.000001 # Query # # use `test`; CREATE TABLE t1 ( i INT )
> +master-bin.000001 # Query # # use `test`; CREATE TEMPORARY TABLE ttmp1 ( i INT )
> +master-bin.000001 # Query # # use `test`; DROP /*!40005 TEMPORARY */ TABLE IF EXISTS
> `ttmp1`
> +DROP TABLE t1;
>
> === modified file 'mysql-test/suite/rpl/t/rpl_drop_temp.test'
> --- a/mysql-test/suite/rpl/t/rpl_drop_temp.test 2009-12-31 04:04:19 +0000
> +++ b/mysql-test/suite/rpl/t/rpl_drop_temp.test 2010-06-29 10:54:58 +0000
> @@ -66,4 +66,32 @@ START SLAVE;
> connection master;
> sync_slave_with_master;
>
> +
> +#
> +# BUG#54842: DROP TEMPORARY TABLE not binlogged after manual switching binlog format
> to ROW
> +#
> +
> +-- connection master
> +-- source include/master-slave-reset.inc
> +-- connection master
> +
> +CREATE TABLE t1 ( i INT );
> +--sync_slave_with_master
> +SHOW STATUS LIKE 'Slave_open_temp_tables';
> +
> +--connect(con1,localhost,root,,)
> +CREATE TEMPORARY TABLE ttmp1 ( i INT );
> +SET SESSION binlog_format=ROW;
> +--disconnect con1
> +
> +-- connection master
> +--let $wait_binlog_event= DROP
> +--source include/wait_for_binlog_event.inc
> +--sync_slave_with_master
> +SHOW STATUS LIKE 'Slave_open_temp_tables';
> +
> +--connection master
> +--source include/show_binlog_events.inc
> +DROP TABLE t1;
> +
> # End of 4.1 tests
>
> === modified file 'sql/sql_base.cc'
> --- a/sql/sql_base.cc 2010-06-17 13:31:51 +0000
> +++ b/sql/sql_base.cc 2010-06-29 10:54:58 +0000
> @@ -1636,6 +1636,7 @@ static inline uint tmpkeyval(THD *thd,
>
> void close_temporary_tables(THD *thd)
> {
> + DBUG_ENTER("close_temporary_tables");
> TABLE *table;
> TABLE *next= NULL;
> TABLE *prev_table;
> @@ -1643,10 +1644,9 @@ void close_temporary_tables(THD *thd)
> bool was_quote_show= TRUE;
>
> if (!thd->temporary_tables)
> - return;
> + DBUG_VOID_RETURN;
>
> - if (!mysql_bin_log.is_open() ||
> - (thd->is_current_stmt_binlog_format_row() &&
> thd->variables.binlog_format == BINLOG_FORMAT_ROW))
> + if (!mysql_bin_log.is_open())
> {
> TABLE *tmp_next;
> for (table= thd->temporary_tables; table; table= tmp_next)
> @@ -1655,7 +1655,7 @@ void close_temporary_tables(THD *thd)
> close_temporary(table, 1, 1);
> }
> thd->temporary_tables= 0;
> - return;
> + DBUG_VOID_RETURN;
> }
>
> /* Better add "if exists", in case a RESET MASTER has been done */
> @@ -1771,6 +1771,7 @@ void close_temporary_tables(THD *thd)
> if (!was_quote_show)
> thd->variables.option_bits&= ~OPTION_QUOTE_SHOW_CREATE; /* restore option
> */
> thd->temporary_tables=0;
> + DBUG_VOID_RETURN;
> }
>
> /*
>
> text/bzr-bundle 类型 附件
> (bzr/luis.soares@stripped)
> # Bazaar merge directive format 2 (Bazaar 0.90)
> # revision_id: luis.soares@stripped
> # target_branch: file:///home/lsoares/Workspace/bzr/work/bugfixing\
> # /54842/mysql-trunk-bugfixing/
> # testament_sha1: 6e44d47f546762e2d9e4426195e205a664a42382
> # timestamp: 2010-06-29 11:55:02 +0100
> # source_branch: /home/lsoares/Workspace/bzr/clones/mysql-trunk-\
> # bugfixing
> # base_revision_id: alik@stripped
> #
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