BUG#26395: if crash during autocommit update to transactional table on master, slave fails

Now, every transaction (including autocommit transactions) start with
a BEGIN and end with a COMMIT/ROLLBACK in the binlog.
Added a test case, and updated lots of test case result files.


mysql-test/t/rpl_transaction-master.opt:
  BitKeeper file /home/sven/bk/b26395-autocommit-xa/5.0-rpl/mysql-test/t/rpl_transaction-master.opt
mysql-test/t/rpl_transaction-slave.opt:
  BitKeeper file /home/sven/bk/b26395-autocommit-xa/5.0-rpl/mysql-test/t/rpl_transaction-slave.opt
mysql-test/r/mix_innodb_myisam_binlog.result:
  Updated result file
mysql-test/r/multi_update.result:
  Updated result file
mysql-test/r/rpl_transaction.result:
  New result file for new test case.
mysql-test/r/sp_trans_log.result:
  Updated result file
mysql-test/r/variables-big.result:
  Updated result file
mysql-test/t/rpl_transaction.test:
  New test case.
sql/log.cc:
   - Always write BEGIN and COMMIT around statements, even in autocommit
     mode.
   - Added comments for binlog_commit and binlog_rollback.
sql/log_event.cc:
  Added debug trigger to avoid writing xid events to the binlog.

1 files changed, 2 insertions, 2 deletions

diff --git a/mysql-test/r/multi_update.result b/mysql-test/r/multi_update.result
index d95036090a5..8a0eacd9eeb 100644
--- a/mysql-test/r/multi_update.result
+++ b/mysql-test/r/multi_update.result
@@ -545,7 +545,7 @@ a	b
 4	4
 show master status /* there must be the UPDATE query event */;
 File	Position	Binlog_Do_DB	Binlog_Ignore_DB
-master-bin.000001	260		
+master-bin.000001	328		
 delete from t1;
 delete from t2;
 insert into t1 values (1,2),(3,4),(4,4);
@@ -555,7 +555,7 @@ UPDATE t2,t1  SET t2.a=t2.b where t2.a=t1.a;
 ERROR 23000: Duplicate entry '4' for key 1
 show master status /* there must be the UPDATE query event */;
 File	Position	Binlog_Do_DB	Binlog_Ignore_DB
-master-bin.000001	275		
+master-bin.000001	343		
 drop table t1, t2;
 drop table if exists t1, t2, t3;
 CREATE TABLE t1 (a int, PRIMARY KEY (a));