6 files changed, 180 insertions, 65 deletions

diff --git a/mysql-test/include/have_debug.inc b/mysql-test/include/have_debug.inc
deleted file mode 100644
index 63c0c008b21..00000000000
--- a/mysql-test/include/have_debug.inc
+++ /dev/null
@@ -1,4 +0,0 @@
--- require r/have_debug.require
-disable_query_log;
-select instr(version(),convert('debug' using utf8))!=0;
-enable_query_log;
diff --git a/mysql-test/r/have_debug.require b/mysql-test/r/have_debug.require
deleted file mode 100644
index 13f85741049..00000000000
--- a/mysql-test/r/have_debug.require
+++ /dev/null
@@ -1,2 +0,0 @@
-instr(version(),convert('debug' using utf8))!=0
-1
diff --git a/mysql-test/r/synchronization.result b/mysql-test/r/synchronization.result
index 87800939ed9..ad9443c86da 100644
--- a/mysql-test/r/synchronization.result
+++ b/mysql-test/r/synchronization.result
@@ -1,23 +1,162 @@
-CREATE TABLE t1 (a int);
- CREATE TABLE t2 LIKE t1;
-ALTER TABLE t1 add key(a);
+CREATE TABLE t1 (x1 int);
+ ALTER TABLE t1 CHANGE x1 x2 int;
+CREATE TABLE t2 LIKE t1;
 SHOW CREATE TABLE t2;
 Table	Create Table
 t2	CREATE TABLE `t2` (
-  `a` int(11) default NULL
+  `xx` int(11) default NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
-drop table t1, t2;
-CREATE TABLE t1 (a int);
- CREATE TABLE t2 LIKE t1;
-CREATE TABLE t2 (b int);
-let's take a look at result of create .. like : 
------------
-ERROR HY000: Can't create/write to file './test/t2.frm' (Errcode: 17)
------------
-
+DROP TABLE t2;
+ ALTER TABLE t1 CHANGE x2 x1 int;
+CREATE TABLE t2 LIKE t1;
 SHOW CREATE TABLE t2;
 Table	Create Table
 t2	CREATE TABLE `t2` (
-  `b` int(11) default NULL
+  `xx` int(11) default NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
-drop table t1, t2;
+DROP TABLE t2;
+ ALTER TABLE t1 CHANGE x1 x2 int;
+CREATE TABLE t2 LIKE t1;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `xx` int(11) default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t2;
+ ALTER TABLE t1 CHANGE x2 x1 int;
+CREATE TABLE t2 LIKE t1;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `xx` int(11) default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t2;
+ ALTER TABLE t1 CHANGE x1 x2 int;
+CREATE TABLE t2 LIKE t1;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `xx` int(11) default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t2;
+ ALTER TABLE t1 CHANGE x2 x1 int;
+CREATE TABLE t2 LIKE t1;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `xx` int(11) default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t2;
+ ALTER TABLE t1 CHANGE x1 x2 int;
+CREATE TABLE t2 LIKE t1;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `xx` int(11) default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t2;
+ ALTER TABLE t1 CHANGE x2 x1 int;
+CREATE TABLE t2 LIKE t1;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `xx` int(11) default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t2;
+ ALTER TABLE t1 CHANGE x1 x2 int;
+CREATE TABLE t2 LIKE t1;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `xx` int(11) default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t2;
+ ALTER TABLE t1 CHANGE x2 x1 int;
+CREATE TABLE t2 LIKE t1;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `xx` int(11) default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t2;
+ ALTER TABLE t1 CHANGE x1 x2 int;
+CREATE TABLE t2 LIKE t1;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `xx` int(11) default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t2;
+ ALTER TABLE t1 CHANGE x2 x1 int;
+CREATE TABLE t2 LIKE t1;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `xx` int(11) default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t2;
+ ALTER TABLE t1 CHANGE x1 x2 int;
+CREATE TABLE t2 LIKE t1;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `xx` int(11) default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t2;
+ ALTER TABLE t1 CHANGE x2 x1 int;
+CREATE TABLE t2 LIKE t1;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `xx` int(11) default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t2;
+ ALTER TABLE t1 CHANGE x1 x2 int;
+CREATE TABLE t2 LIKE t1;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `xx` int(11) default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t2;
+ ALTER TABLE t1 CHANGE x2 x1 int;
+CREATE TABLE t2 LIKE t1;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `xx` int(11) default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t2;
+ ALTER TABLE t1 CHANGE x1 x2 int;
+CREATE TABLE t2 LIKE t1;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `xx` int(11) default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t2;
+ ALTER TABLE t1 CHANGE x2 x1 int;
+CREATE TABLE t2 LIKE t1;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `xx` int(11) default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t2;
+ ALTER TABLE t1 CHANGE x1 x2 int;
+CREATE TABLE t2 LIKE t1;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `xx` int(11) default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t2;
+ ALTER TABLE t1 CHANGE x2 x1 int;
+CREATE TABLE t2 LIKE t1;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `xx` int(11) default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t2;
+DROP TABLE t1;
diff --git a/mysql-test/t/synchronization-master.opt b/mysql-test/t/synchronization-master.opt
deleted file mode 100644
index 710a0395d55..00000000000
--- a/mysql-test/t/synchronization-master.opt
+++ /dev/null
@@ -1 +0,0 @@
---exit-info=2048
\ No newline at end of file
diff --git a/mysql-test/t/synchronization.test b/mysql-test/t/synchronization.test
index bbea4c44dad..7bdeaa8a740 100644
--- a/mysql-test/t/synchronization.test
+++ b/mysql-test/t/synchronization.test
@@ -1,45 +1,33 @@
--- source include/have_debug.inc
-
 #
 # Test for Bug #2385 CREATE TABLE LIKE lacks locking on source and destination table
 #
 
-connect (con_to_sleep,localhost,lock_controller,,);
-connect (con_to_harm_sleeper,localhost,root,,);
+connect (con1,localhost,root,,);
+connect (con2,localhost,root,,);
 
 # locking of source:
-connection con_to_sleep;
-CREATE TABLE t1 (a int);
-send CREATE TABLE t2 LIKE t1;
-
-connection con_to_harm_sleeper;
-sleep 1;
-ALTER TABLE t1 add key(a);
-
-connection con_to_sleep;
-sleep 4;
-SHOW CREATE TABLE t2;
-drop table t1, t2;
-
-# locking of destination:
-connection con_to_sleep;
-CREATE TABLE t1 (a int);
-send CREATE TABLE t2 LIKE t1;
-
-connection con_to_harm_sleeper;
-sleep 1;
-CREATE TABLE t2 (b int);
-disable_query_log;
-select "-----------" as "let's take a look at result of create .. like : ";
-enable_query_log;
-
-connection con_to_sleep;
-sleep 1;
---error 1
-reap;
-disable_query_log;
-select "" as "-----------";
-enable_query_log;
-SHOW CREATE TABLE t2;
 
-drop table t1, t2;
\ No newline at end of file
+CREATE TABLE t1 (x1 int);
+let $1= 10;
+while ($1)
+{
+  connection con1;
+    send ALTER TABLE t1 CHANGE x1 x2 int;
+  connection con2;
+    CREATE TABLE t2 LIKE t1;
+    replace_result x1 xx x2 xx;
+    SHOW CREATE TABLE t2;
+    DROP TABLE t2;
+  connection con1;
+    reap;
+    send ALTER TABLE t1 CHANGE x2 x1 int;
+  connection con2;
+    CREATE TABLE t2 LIKE t1;
+    replace_result x1 xx x2 xx;
+    SHOW CREATE TABLE t2;
+    DROP TABLE t2;
+  connection con1;
+    reap;
+  dec $1;
+}
+DROP TABLE t1;
diff --git a/sql/sql_table.cc b/sql/sql_table.cc
index 5e358f76d3f..343bcda9102 100644
--- a/sql/sql_table.cc
+++ b/sql/sql_table.cc
@@ -1963,11 +1963,6 @@ int mysql_create_like_table(THD* thd, TABLE_LIST* table,
   /* 
     Create a new table by copying from source table
   */  
-#ifndef DBUG_OFF
-  // The code stated below is for test synchronization.test Bug #2385
-  if (test_flags & TEST_SYNCHRONIZATION)
-    sleep(3);
-#endif
   if (my_copy(src_path, dst_path, MYF(MY_WME|MY_DONT_OVERWRITE_FILE)))
     goto err;