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Bug#17263 temporary tables and replication

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Backporting a changeset made for 5.0. Comments from there:

  The fix refines the algorithm of generating DROPs for binlog.
  Temp tables with common pseudo_thread_id are clustered into one query.
  Consequently one replication event per pseudo_thread_id is generated.




mysql-test/r/rpl_temporary.result:
  results changed
mysql-test/t/rpl_temporary.test:
  test to generate problematic drop in binlog to feed it to restarting slave
  to see no stop.
sql/sql_base.cc:
  change in drop temprorary tables alg in close_temporary_tables.
This commit is contained in:
unknown
2006-04-23 12:18:57 +03:00
parent 8ed06b840e
commit 329ebbd14d
3 changed files with 167 additions and 46 deletions
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14
mysql-test/r/rpl_temporary.result
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@ -89,3 +89,17 @@ f
7
drop table t1,t2;
create temporary table t3 (f int);
set @session.pseudo_thread_id=100;
create temporary table t101 (id int);
create temporary table t102 (id int);
set @session.pseudo_thread_id=200;
create temporary table t201 (id int);
create temporary table `#not_user_table_prefixed_with_hash_sign_no_harm` (id int);
set @con1_id=connection_id();
kill @con1_id;
create table t1(f int);
insert into t1 values (1);
select * from t1 /* must be 1 */;
f
1
drop table t1;

28
mysql-test/t/rpl_temporary.test
View File

@ -128,6 +128,32 @@ drop table t1,t2;
create temporary table t3 (f int);
sync_with_master;
# The server will now close done
#
# BUG#17263 incorrect generation DROP temp tables
# Temporary tables of connection are dropped in batches
# where a batch correspond to pseudo_thread_id
# value was set up at the moment of temp table creation
#
connection con1;
set @session.pseudo_thread_id=100;
create temporary table t101 (id int);
create temporary table t102 (id int);
set @session.pseudo_thread_id=200;
create temporary table t201 (id int);
create temporary table `#not_user_table_prefixed_with_hash_sign_no_harm` (id int);
set @con1_id=connection_id();
kill @con1_id;
#now do something to show that slave is ok after DROP temp tables
connection master;
create table t1(f int);
insert into t1 values (1);
sync_slave_with_master;
#connection slave;
select * from t1 /* must be 1 */;
connection master;
drop table t1;
# End of 4.1 tests