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From:Andrei Elkin Date:February 4 2008 2:37pm
Subject:bk commit into 5.0 tree (aelkin:1.2568) BUG#33329
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ChangeSet@stripped, 2008-02-04 16:37:41+02:00, aelkin@stripped +2 -0
  Bug#33329  extraneous ROLLBACK in binlog on connection 
              does not use trans tables
  There had been two issues.
  Rollback statement was recorded in binlog even though a multi-update
  had not modified any non-transactional table.
  The reason for this artifact was a false initial value of multi_update::transactional_tables.
  Yet another artifact that explained on the bug page is that 
  `ha_autocommit_or_rollback' works differently depending on whether
  a transaction engine has been compiled in. 
  Fixed: with setting multi_update::transactional_tables to zero at initialization
  time. Multi-update on non-trans table won't cause ROLLBACK in binlog with
  either compilation option.
  The 2nd mentioned artifact comprises a self-standing issue (to be reported

  mysql-test/r/multi_update.result@stripped, 2008-02-04 16:37:38+02:00, aelkin@stripped +2 -2
    results changed - there is no ROLLBACK in binlog anymore as it should be

  sql/, 2008-02-04 16:37:38+02:00, aelkin@stripped +1 -1
    A wrong assumption on that there were modified transactional table,
    which is nonsense at the very beginning of the query execution.

diff -Nrup a/mysql-test/r/multi_update.result b/mysql-test/r/multi_update.result
--- a/mysql-test/r/multi_update.result	2007-12-21 21:30:22 +02:00
+++ b/mysql-test/r/multi_update.result	2008-02-04 16:37:38 +02:00
@@ -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	328		
+master-bin.000001	189		
 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=t
 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	343		
+master-bin.000001	204		
 drop table t1, t2;
 drop table if exists t1, t2, t3;
 CREATE TABLE t1 (a int, PRIMARY KEY (a));
diff -Nrup a/sql/ b/sql/
--- a/sql/	2007-11-06 13:27:43 +02:00
+++ b/sql/	2008-02-04 16:37:38 +02:00
@@ -979,7 +979,7 @@ multi_update::multi_update(TABLE_LIST *t
    tmp_tables(0), updated(0), found(0), fields(field_list),
    values(value_list), table_count(0), copy_field(0),
    handle_duplicates(handle_duplicates_arg), do_update(1), trans_safe(1),
-   transactional_tables(1), ignore(ignore_arg), error_handled(0)
+   transactional_tables(0), ignore(ignore_arg), error_handled(0)
bk commit into 5.0 tree (aelkin:1.2568) BUG#33329Andrei Elkin4 Feb
  • Re: bk commit into 5.0 tree (aelkin:1.2568) BUG#33329Ingo Strüwing5 Feb