>Description:
ERROR 2013: Lost connection to MySQL server during query.
>How-To-Repeat:
select distinct s.supplier_id, s.who_pay, r.name as rname, s.name,
s.nick, s.address, s.contact_person, s.email, s.fax,
s.comment
from supplier s, product_supplier ps, shop_product_supplier sps
use index(product_supplier_id)
left join route r on r.route_id=s.route_id
where ps.product_supplier_id=sps.product_supplier_id and
sps.shop_id=10 and ps.supplier_id=s.supplier_id
order by name
limit 0, 10
Result:
ERROR 2013: Lost connection to MySQL server during query
Note:
The same results with oficial mysql-4.0.2 and latest bk snapshot,
mysql was compiled with both gcc-3.1 and gcc-295.3
>Fix:
Don't use distinct.
>Submitter-Id: <submitter ID>
>Originator: Sergey S. Kostyliov
>Organization:
eHouse (http://www.ehouse.ru)
>MySQL support: none
>Synopsis: SELECT DISTINCT ... failed
>Severity: serious
>Priority: medium
>Category: mysql
>Class: sw-bug
>Release: mysql-4.0.3-alpha (Source distribution)
>Server: /usr/bin/mysqladmin Ver 8.35 Distrib 4.0.3-alpha, for pc-linux-gnu
on i686
Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
This software comes with ABSOLUTELY NO WARRANTY. This is free software,
and you are welcome to modify and redistribute it under the GPL license
Server version 4.0.3-alpha
Protocol version 10
Connection Localhost via UNIX socket
UNIX socket /var/lib/mysql/mysql.sock
Uptime: 56 sec
Threads: 1 Questions: 1 Slow queries: 0 Opens: 6 Flush tables: 1 Open
tables: 0 Queries per second avg: 0.018
>Environment:
<machine, os, target, libraries (multiple lines)>
System: Linux white.unishop.org.ru 2.4.19-rc2aa1 #1 SMP Thu Jul 18 10:53:30
MSD 2002 i686 unknown
Architecture: i686
Some paths: /usr/bin/perl /usr/bin/make /usr/bin/gmake /usr/bin/gcc
/usr/bin/cc
GCC: Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/2.96/specs
gcc version 2.96 20000731 (Red Hat Linux 7.3 2.96-110)
Compilation info: CC='/usr/local/gcc-3.1/bin/gcc' CFLAGS='-O4 -march=pentium3
-mcpu=pentium3 -msse -pipe' CXX='/usr/local/gcc-3.1/bin/gcc' CXXFLAGS='-O4
-march=pentium3 -mcpu=pentium3 -msse -pipe -felide-constructors
-fno-exceptions -fno-rtti -DUSE_MYSYS_NEW' LDFLAGS=''
LIBC:
lrwxrwxrwx 1 root root 13 éÀÌ 8 20:18 /lib/libc.so.6 ->
libc-2.2.5.so
-rwxr-xr-x 1 root root 1260480 éÀÎ 18 18:45 /lib/libc-2.2.5.so
-rw-r--r-- 1 root root 2312370 éÀÎ 18 18:13 /usr/lib/libc.a
-rw-r--r-- 1 root root 178 éÀÎ 18 17:58 /usr/lib/libc.so
lrwxrwxrwx 1 root root 10 éÀÌ 8 23:35 /usr/lib/libc-client.a
-> c-client.a
Configure command: ./configure --prefix=/usr --libexecdir=/usr/sbin
--localstatedir=/var/lib/mysql --mandir=/usr/share/man
--infodir=/usr/share/info --enable-assembler
--with-mysqld-ldflags=-all-static --with-mysql-user=mysql --with-innodb
--with-unix-socket-path=/var/lib/mysql/mysql.sock
--with-extra-charsets=latin1,koi8_ru,cp1251 --enable-thread-safe-client
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