From: hezxDate: December 21 2007 4:02am
Subject: bk commit into 5.0 tree (hezx:1.2560) BUG#28908

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5.0 repository of hezx. When hezx does a push these changes will
be propagated to the main repository and, within 24 hours after the
push, to the public repository.
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see http://dev.mysql.com/doc/mysql/en/installing-source-tree.html

ChangeSet@stripped, 2007-12-21 11:02:48+08:00, hezx@stripped +3 -0
  BUG#28908 Replication: set global server_id is not setting the session server_id 
  
  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.

  mysql-test/r/rpl_server_id.result@stripped, 2007-12-21 11:02:44+08:00, hezx@stripped +34 -0
    Add test for BUG#28908

  mysql-test/r/rpl_server_id.result@stripped, 2007-12-21 11:02:44+08:00, hezx@stripped +0 -0

  mysql-test/t/rpl_server_id.test@stripped, 2007-12-21 11:02:44+08:00, hezx@stripped +29 -0
    Add test for BUG#28908

  mysql-test/t/rpl_server_id.test@stripped, 2007-12-21 11:02:44+08:00, hezx@stripped +0 -0

  sql/set_var.cc@stripped, 2007-12-21 11:02:44+08:00, hezx@stripped +1 -0
    Update server_id of current thread

#diff -Nrup a/mysql-test/r/rpl_server_id.result b/mysql-test/r/rpl_server_id.result
#--- /dev/null	Wed Dec 31 16:00:00 196900
#+++ b/mysql-test/r/rpl_server_id.result	2007-12-21 11:02:44 +08:00
#@@ -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;
#diff -Nrup a/mysql-test/t/rpl_server_id.test b/mysql-test/t/rpl_server_id.test
#--- /dev/null	Wed Dec 31 16:00:00 196900
#+++ b/mysql-test/t/rpl_server_id.test	2007-12-21 11:02:44 +08:00
#@@ -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;
diff -Nrup a/sql/set_var.cc b/sql/set_var.cc
--- a/sql/set_var.cc	2007-10-23 21:48:56 +08:00
+++ b/sql/set_var.cc	2007-12-21 11:02:44 +08:00
@@ -1441,6 +1441,7 @@ static void fix_trans_mem_root(THD *thd,
 static void fix_server_id(THD *thd, enum_var_type type)
 {
   server_id_supplied = 1;
+  thd->server_id= server_id;
 }