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BUG#28908 Replication: set global server_id is not setting the session server_id

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When set the server-id dynamically, the server_id member of current thread is not updated.

Update the server_id member of current thread after updated the global variable value.
This commit is contained in:
hezx@mail.hezx.com 2007-12-21 11:02:48 +08:00
parent c2f00cc3f9
commit 329d1a7bf7
3 changed files with 64 additions and 0 deletions
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34
mysql-test/r/rpl_server_id.result Normal file
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@ -0,0 +1,34 @@
set global server_id=1;
reset master;
drop table if exists t1,t2,t3;
create table t1 (a int);
select @@server_id;
@@server_id
1
show binlog events from <binlog_start>;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Query 1 # use `test`; drop table if exists t1,t2,t3
master-bin.000001 # Query 1 # use `test`; create table t1 (a int)
set global server_id=2;
create table t2 (b int);
select @@server_id;
@@server_id
2
show binlog events from <binlog_start>;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Query 1 # use `test`; drop table if exists t1,t2,t3
master-bin.000001 # Query 1 # use `test`; create table t1 (a int)
master-bin.000001 # Query 2 # use `test`; create table t2 (b int)
set global server_id=3;
create table t3 (c int);
select @@server_id;
@@server_id
3
show binlog events from <binlog_start>;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Query 1 # use `test`; drop table if exists t1,t2,t3
master-bin.000001 # Query 1 # use `test`; create table t1 (a int)
master-bin.000001 # Query 2 # use `test`; create table t2 (b int)
master-bin.000001 # Query 3 # use `test`; create table t3 (c int)
set global server_id=1;
drop table t1,t2,t3;

29
mysql-test/t/rpl_server_id.test Normal file
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@ -0,0 +1,29 @@
# Test for BUG#28908 Replication: set global server_id is not setting the session server_id
-- source include/have_log_bin.inc
let $saved_server_id=`select @@server_id`;
set global server_id=1;
reset master;
-- disable_warnings
drop table if exists t1,t2,t3;
-- enable_warnings
create table t1 (a int);
select @@server_id;
source include/show_binlog_events2.inc;
set global server_id=2;
create table t2 (b int);
select @@server_id;
source include/show_binlog_events2.inc;
set global server_id=3;
create table t3 (c int);
select @@server_id;
source include/show_binlog_events2.inc;
# cleanup
eval set global server_id=$saved_server_id;
drop table t1,t2,t3;

1
sql/set_var.cc
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@ -1441,6 +1441,7 @@ static void fix_trans_mem_root(THD *thd, enum_var_type type)
static void fix_server_id(THD *thd, enum_var_type type) static void fix_server_id(THD *thd, enum_var_type type)
{ {
server_id_supplied = 1; server_id_supplied = 1;
thd->server_id= server_id;
} }