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f07e4850d0
This saves one byte per Query_log_event on disk compared to 5.0.[0..3]. Compatibility problems with 5.0.x where x<4 are explained in the comments in log_event.cc. Putting back s/my_open(O_TRUNC)/(my_delete+my_create) change which had been wiped away by somebody doing a wrong 4.1->5.0 merge (which happened just before 5.0.3 :( ). Applying it to new events for LOAD DATA INFILE. If slave fails in Execute_load_query_log_event::exec_event(), don't delete the file (so that it's re-usable at next START SLAVE). And (youpi!) fix for BUG#3247 "a partially completed LOAD DATA INFILE is not executed at all on the slave" (storing an Execute_load_query_log_event to binlog, with its error code, instead of Delete_file_log_event). mysql-test/r/mix_innodb_myisam_binlog.result: we now use one less byte when storing the catalog in binlog so positions change mysql-test/r/rpl_change_master.result: we now use one less byte when storing the catalog in binlog so positions change mysql-test/r/rpl_deadlock.result: we now use one less byte when storing the catalog in binlog so positions change mysql-test/r/rpl_error_ignored_table.result: we now use one less byte when storing the catalog in binlog so positions change mysql-test/r/rpl_flush_log_loop.result: we now use one less byte when storing the catalog in binlog so positions change mysql-test/r/rpl_loaddata.result: we now use one less byte when storing the catalog in binlog so positions change. Plus testing replication of LOAD DATA INFILE if duplicate key and non-transactional table. mysql-test/r/rpl_log.result: we now use one less byte when storing the catalog in binlog so positions change mysql-test/r/rpl_max_relay_size.result: we now use one less byte when storing the catalog in binlog so positions change mysql-test/r/rpl_relayrotate.result: we now use one less byte when storing the catalog in binlog so positions change mysql-test/r/rpl_replicate_do.result: we now use one less byte when storing the catalog in binlog so positions change mysql-test/r/rpl_rotate_logs.result: we now use one less byte when storing the catalog in binlog so positions change mysql-test/r/rpl_until.result: we now use one less byte when storing the catalog in binlog so positions change mysql-test/t/mysqlbinlog.test: we now use one less byte when storing the catalog in binlog so positions change mysql-test/t/mysqlbinlog2.test: we now use one less byte when storing the catalog in binlog so positions change mysql-test/t/rpl_deadlock.test: we now use one less byte when storing the catalog in binlog so positions change mysql-test/t/rpl_loaddata.test: we now use one less byte when storing the catalog in binlog so positions change. Plus testing replication of LOAD DATA INFILE if duplicate key and non-transactional table. mysql-test/t/rpl_until.test: we now use one less byte when storing the catalog in binlog so positions change sql/log_event.cc: a) We now store the catalog in Query_log_event in binlog WITHOUT its end zero. This saves one byte per Query_log_event on disk. Compatibility problems with 5.0.x where x<4 are explained in the comments in this file. b) putting back s/my_open(O_TRUNC)/(my_delete+my_create) change which had been wiped away by somebody doing a wrong 4.1->5.0 merge (which happened just before 5.0.3 :( ). Applying it to new events for LOAD DATA INFILE. c) if slave fails in Execute_load_query_log_event::exec_event(), don't delete the file (so that it's re-usable at next START SLAVE). sql/log_event.h: We now store the catalog in Query_log_event in binlog WITHOUT its end zero. This saves one byte per Query_log_event on disk. This new storage for the catalog is denoted by Q_CATALOG_NZ_CODE (couldn't re-use Q_CATALOG_CODE as 5.0.3 slaves of this 5.0.4 master would segfault because it would expect a 0 when there is none. Renaming get_open_mode() to get_create_or_append() (see log_event.cc) sql/sql_load.cc: Fix for BUG#3247: if LOAD DATA INFILE fails but has permanently updated a table (i.e. has deleted/added/modified some rows in a non-transactional table), we must write an Execute_load_query_log_event to binlog (with the error code, as this class beautifully inherits from Query_log_event, it can store the error code - thanks Dmitri) and not a Delete_file_log_event (we use to write a Delete_file_log_event: no update happened on slave, bug).
207 lines
6.6 KiB
Text
207 lines
6.6 KiB
Text
drop table if exists t1, t2;
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create table t1 (a int) engine=innodb;
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create table t2 (a int) engine=myisam;
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reset master;
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begin;
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insert into t1 values(1);
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insert into t2 select * from t1;
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commit;
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show binlog events from 98;
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Log_name Pos Event_type Server_id End_log_pos Info
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master-bin.000001 98 Query 1 # use `test`; BEGIN
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master-bin.000001 166 Query 1 # use `test`; insert into t1 values(1)
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master-bin.000001 253 Query 1 # use `test`; insert into t2 select * from t1
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master-bin.000001 347 Xid 1 # COMMIT /* xid=7 */
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delete from t1;
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delete from t2;
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reset master;
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begin;
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insert into t1 values(2);
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insert into t2 select * from t1;
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rollback;
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Warnings:
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Warning 1196 Some non-transactional changed tables couldn't be rolled back
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show binlog events from 98;
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Log_name Pos Event_type Server_id End_log_pos Info
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master-bin.000001 98 Query 1 # use `test`; BEGIN
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master-bin.000001 166 Query 1 # use `test`; insert into t1 values(2)
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master-bin.000001 253 Query 1 # use `test`; insert into t2 select * from t1
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master-bin.000001 347 Query 1 # use `test`; ROLLBACK
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delete from t1;
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delete from t2;
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reset master;
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begin;
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insert into t1 values(3);
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savepoint my_savepoint;
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insert into t1 values(4);
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insert into t2 select * from t1;
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rollback to savepoint my_savepoint;
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Warnings:
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Warning 1196 Some non-transactional changed tables couldn't be rolled back
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commit;
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show binlog events from 98;
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Log_name Pos Event_type Server_id End_log_pos Info
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master-bin.000001 98 Query 1 # use `test`; BEGIN
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master-bin.000001 166 Query 1 # use `test`; insert into t1 values(3)
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master-bin.000001 253 Query 1 # use `test`; savepoint my_savepoint
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master-bin.000001 338 Query 1 # use `test`; insert into t1 values(4)
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master-bin.000001 425 Query 1 # use `test`; insert into t2 select * from t1
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master-bin.000001 519 Query 1 # use `test`; rollback to savepoint my_savepoint
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master-bin.000001 616 Xid 1 # COMMIT /* xid=24 */
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delete from t1;
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delete from t2;
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reset master;
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begin;
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insert into t1 values(5);
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savepoint my_savepoint;
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insert into t1 values(6);
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insert into t2 select * from t1;
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rollback to savepoint my_savepoint;
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Warnings:
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Warning 1196 Some non-transactional changed tables couldn't be rolled back
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insert into t1 values(7);
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commit;
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select a from t1 order by a;
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a
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5
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7
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show binlog events from 98;
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Log_name Pos Event_type Server_id End_log_pos Info
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master-bin.000001 98 Query 1 # use `test`; BEGIN
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master-bin.000001 166 Query 1 # use `test`; insert into t1 values(5)
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master-bin.000001 253 Query 1 # use `test`; savepoint my_savepoint
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master-bin.000001 338 Query 1 # use `test`; insert into t1 values(6)
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master-bin.000001 425 Query 1 # use `test`; insert into t2 select * from t1
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master-bin.000001 519 Query 1 # use `test`; rollback to savepoint my_savepoint
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master-bin.000001 616 Query 1 # use `test`; insert into t1 values(7)
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master-bin.000001 703 Xid 1 # COMMIT /* xid=36 */
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delete from t1;
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delete from t2;
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reset master;
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select get_lock("a",10);
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get_lock("a",10)
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1
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begin;
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insert into t1 values(8);
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insert into t2 select * from t1;
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select get_lock("a",10);
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get_lock("a",10)
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1
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show binlog events from 98;
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Log_name Pos Event_type Server_id End_log_pos Info
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master-bin.000001 98 Query 1 # use `test`; BEGIN
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master-bin.000001 166 Query 1 # use `test`; insert into t1 values(8)
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master-bin.000001 253 Query 1 # use `test`; insert into t2 select * from t1
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master-bin.000001 347 Query 1 # use `test`; ROLLBACK
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delete from t1;
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delete from t2;
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reset master;
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insert into t1 values(9);
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insert into t2 select * from t1;
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show binlog events from 98;
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Log_name Pos Event_type Server_id End_log_pos Info
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master-bin.000001 98 Query 1 # use `test`; insert into t1 values(9)
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master-bin.000001 185 Xid 1 # COMMIT /* xid=59 */
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master-bin.000001 212 Query 1 # use `test`; insert into t2 select * from t1
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delete from t1;
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delete from t2;
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reset master;
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insert into t1 values(10);
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begin;
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insert into t2 select * from t1;
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show binlog events from 98;
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Log_name Pos Event_type Server_id End_log_pos Info
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master-bin.000001 98 Query 1 # use `test`; insert into t1 values(10)
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master-bin.000001 186 Xid 1 # COMMIT /* xid=65 */
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master-bin.000001 213 Query 1 # use `test`; insert into t2 select * from t1
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insert into t1 values(11);
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commit;
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show binlog events from 98;
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Log_name Pos Event_type Server_id End_log_pos Info
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master-bin.000001 98 Query 1 # use `test`; insert into t1 values(10)
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master-bin.000001 186 Xid 1 # COMMIT /* xid=65 */
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master-bin.000001 213 Query 1 # use `test`; insert into t2 select * from t1
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master-bin.000001 307 Query 1 # use `test`; BEGIN
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master-bin.000001 375 Query 1 # use `test`; insert into t1 values(11)
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master-bin.000001 463 Xid 1 # COMMIT /* xid=67 */
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alter table t2 engine=INNODB;
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delete from t1;
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delete from t2;
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reset master;
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begin;
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insert into t1 values(12);
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insert into t2 select * from t1;
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commit;
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show binlog events from 98;
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Log_name Pos Event_type Server_id End_log_pos Info
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master-bin.000001 98 Query 1 # use `test`; BEGIN
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master-bin.000001 166 Query 1 # use `test`; insert into t1 values(12)
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master-bin.000001 254 Query 1 # use `test`; insert into t2 select * from t1
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master-bin.000001 348 Xid 1 # COMMIT /* xid=77 */
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delete from t1;
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delete from t2;
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reset master;
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begin;
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insert into t1 values(13);
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insert into t2 select * from t1;
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rollback;
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show binlog events from 98;
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Log_name Pos Event_type Server_id End_log_pos Info
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delete from t1;
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delete from t2;
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reset master;
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begin;
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insert into t1 values(14);
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savepoint my_savepoint;
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insert into t1 values(15);
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insert into t2 select * from t1;
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rollback to savepoint my_savepoint;
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commit;
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show binlog events from 98;
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Log_name Pos Event_type Server_id End_log_pos Info
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master-bin.000001 98 Query 1 # use `test`; BEGIN
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master-bin.000001 166 Query 1 # use `test`; insert into t1 values(14)
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master-bin.000001 254 Xid 1 # COMMIT /* xid=93 */
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delete from t1;
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delete from t2;
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reset master;
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begin;
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insert into t1 values(16);
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savepoint my_savepoint;
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insert into t1 values(17);
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insert into t2 select * from t1;
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rollback to savepoint my_savepoint;
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insert into t1 values(18);
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commit;
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select a from t1 order by a;
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a
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16
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18
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show binlog events from 98;
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Log_name Pos Event_type Server_id End_log_pos Info
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master-bin.000001 98 Query 1 # use `test`; BEGIN
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master-bin.000001 166 Query 1 # use `test`; insert into t1 values(16)
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master-bin.000001 254 Query 1 # use `test`; insert into t1 values(18)
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master-bin.000001 342 Xid 1 # COMMIT /* xid=104 */
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delete from t1;
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delete from t2;
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alter table t2 type=MyISAM;
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insert into t1 values (1);
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begin;
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select * from t1 for update;
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a
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1
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select (@before:=unix_timestamp())*0;
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(@before:=unix_timestamp())*0
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0
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begin;
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select * from t1 for update;
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insert into t2 values (20);
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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select (@after:=unix_timestamp())*0;
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(@after:=unix_timestamp())*0
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0
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select (@after-@before) >= 2;
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(@after-@before) >= 2
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1
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drop table t1,t2;
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