>Description:
Migration problem from 4.0.22 to 5.0.x. I can't create following table on 5.0.x 
version of mysql. Problem does't apper on 4.0.x version:

CREATE TABLE `PHONESlog_uniq` (
  `user_agent` varchar(80) default NULL,
  `http_x_wap_profile` varchar(255) default NULL,
  `pid` smallint(5) unsigned NOT NULL default '0',
  UNIQUE KEY `uniq_phone_key` (`user_agent`,`http_x_wap_profile`,`pid`)
) TYPE=MyISAM;

>How-To-Repeat:

server 1:

mysql> SELECT VERSION();
+------------+
| VERSION()  |
+------------+
| 4.0.22-log |
+------------+
1 row in set (0.00 sec)

mysql> CREATE TABLE `PHONESlog_uniq` (   `user_agent` varchar(80) default NULL, 
  `http_x_wap_profile` varchar(255) default NULL,   `pid` smallint(5) unsigned 
NOT NULL default '0',   UNIQUE KEY `uniq_phone_key` 
(`user_agent`,`http_x_wap_profile`,`pid`) ) TYPE=MyISAM;
Query OK, 0 rows affected (0.06 sec)

server 2:

mysql> SELECT VERSION();
+-----------+
| VERSION() |
+-----------+
| 5.0.18    |
+-----------+
1 row in set (0.00 sec)

mysql> CREATE TABLE `PHONESlog_uniq` (   `user_agent` varchar(80) default NULL, 
  `http_x_wap_profile` varchar(255) default NULL,   `pid` smallint(5) unsigned 
NOT NULL default '0',   UNIQUE KEY `uniq_phone_key` 
(`user_agent`,`http_x_wap_profile`,`pid`) ) TYPE=MyISAM;
ERROR 1071 (42000): Specified key was too long; max key length is 1000 bytes


>Fix:

>Submitter-Id:  <submitter ID>
>Originator:    Lubomir Host
>Organization:
  Lubomir Host 'rajo' <rajo AT platon.sk>   ICQ #:  257322664   ,''`.
  Platon Group                              http://platon.sk/  : :' :
  Homepage: http://rajo.platon.sk/                             `. `'
  http://www.gnu.org/philosophy/no-word-attachments.html         `-
>
>MySQL support: extended email support
>Synopsis:      Migration problem from 4.0.22 to 5.0.x. I can't create 
>following table on 5.0.x version of mysql. Problem does't apper on 4.0.x 
>version
>Severity:      serious
>Priority:      high
>Category:      mysql
>Class:         sw-bug
>Release:       mysql-5.0.22-Debian_3 (Debian Etch distribution)

>C compiler:    gcc (GCC) 4.1.2 20060613 (prerelease) (Debian 4.1.1-4)
>C++ compiler:  g++ (GCC) 4.1.2 20060613 (prerelease) (Debian 4.1.1-4)
>Environment:
        Debian GNU/Linux or  FreeBSD, all versions of MySQL 5.0.x
System: Linux Idea 2.6.15-1-686 #2 Mon Mar 6 15:27:08 UTC 2006 i686 GNU/Linux
Architecture: i686

Some paths:  /usr/bin/perl /usr/bin/make /usr/bin/gcc /usr/bin/cc
GCC: Using built-in specs.
Target: i486-linux-gnu
Configured with: ../src/configure -v 
--enable-languages=c,c++,java,f95,objc,ada,treelang --prefix=/usr 
--enable-shared --with-system-zlib --libexecdir=/usr/lib 
--without-included-gettext --enable-threads=posix --enable-nls 
--program-suffix=-4.0 --enable-__cxa_atexit --enable-clocale=gnu 
--enable-libstdcxx-debug --enable-java-awt=gtk-default --enable-gtk-cairo 
--with-java-home=/usr/lib/jvm/java-1.4.2-gcj-4.0-1.4.2.0/jre --enable-mpfr 
--disable-werror --with-tune=i686 --enable-checking=release i486-linux-gnu
Thread model: posix
gcc version 4.0.4 20060507 (prerelease) (Debian 4.0.3-3)
Compilation info: CC='gcc'  CFLAGS='-DBIG_JOINS=1 -O2'  CXX='g++'  
CXXFLAGS='-DBIG_JOINS=1 -felide-constructors -fno-rtti -O2'  LDFLAGS=''  
ASFLAGS=''
LIBC: 
lrwxrwxrwx 1 root root 13 Jun 28 23:32 /lib/libc.so.6 -> libc-2.3.6.so
-rwxr-xr-x 1 root root 1177116 May 31 08:59 /lib/libc-2.3.6.so
-rw-r--r-- 1 root root 2628734 Jun  8 09:25 /usr/lib/libc.a
-rwxr-xr-x 1 root root 204 Jun  8 09:07 /usr/lib/libc.so
lrwxrwxrwx 1 root root 19 Jun 28 22:04 /usr/lib/libc-client.a -> 
/usr/lib/c-client.a
lrwxrwxrwx 1 root root 28 Jun 28 22:05 /usr/lib/libc-client.so.2002edebian -> 
libc-client.so.2002edebian.1
-rw-r--r-- 1 root root 772872 Jan 16 21:34 /usr/lib/libc-client.so.2002edebian.1
Configure command: ./configure '--build=i486-linux-gnu' '--host=i486-linux-gnu' 
'--prefix=/usr' '--exec-prefix=/usr' '--libexecdir=/usr/sbin' 
'--datadir=/usr/share' '--sysconfdir=/etc/mysql' 
'--localstatedir=/var/lib/mysql' '--includedir=/usr/include' 
'--infodir=/usr/share/info' '--mandir=/usr/share/man' 
'--with-server-suffix=-Debian_3' '--with-comment=Debian Etch distribution' 
'--enable-shared' '--enable-static' '--enable-thread-safe-client' 
'--enable-assembler' '--enable-local-infile' '--with-big-tables' '--with-raid' 
'--with-unix-socket-path=/var/run/mysqld/mysqld.sock' 
'--with-mysqld-user=mysql' '--with-libwrap' '--with-vio' '--without-openssl' 
'--without-docs' '--without-bench' '--without-readline' 
'--with-extra-charsets=all' '--with-innodb' '--with-isam' 
'--with-archive-storage-engine' '--with-csv-storage-engine' 
'--with-federated-storage-engine' '--without-embedded-server' 
'--with-ndbcluster' '--with-ndb-shm' '--without-ndb-sci' '--without-ndb-test' 
'--with-embedded-server' '--with-embedded-privilege-control' '--with-ndb-docs' 
'CC=gcc' 'CFLAGS=-DBIG_JOINS=1 -O2' 'CXXFLAGS=-DBIG_JOINS=1 
-felide-constructors -fno-rtti -O2' 'CXX=g++' 'build_alias=i486-linux-gnu' 
'host_alias=i486-linux-gnu'


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