>Description:
When performing an UPDATE on a field which is fulltext indexed and
currently contains the NULL value, the MySQL server restarts and the update
fails.
>How-To-Repeat:
SQL code to reproduce problem:
create table test (id int, data text, fulltext(data));
insert into test (id) values (1);
update test set data='Some Data' where id=1;
ERROR 2013: Lost connection to MySQL server during query
>Fix:
Work-around: set all fulltext-indexed fields to NOT NULL, as the
problem does not seem to affect text fields with the empty string,
only text fields with the NULL value.
>Submitter-Id: <submitter ID>
>Originator: Carl J Meyer
>Organization:
Mennonite.net
>MySQL support: none
>Synopsis: server restarts when updating NULL-valued fulltext-indexed fields
>Severity: serious
>Priority: high
>Category: mysql
>Class: sw-bug
>Release: mysql-4.0.1-alpha (Official MySQL RPM)
>Environment:
System: Linux mennonet1 2.4.17 #2 SMP Tue Jan 29 12:37:22 EST 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 7.1 2.96-98)
Compilation info: CC='gcc' CFLAGS='-O6 -fno-omit-frame-pointer -mpentium' CXX='gcc'
CXXFLAGS='-O6 -fno-omit-frame-pointer -felide-constructors
-fno-exceptions -fno-rtti -mpentium' LDFLAGS=''
LIBC:
lrwxrwxrwx 1 root root 13 Apr 10 17:12 /lib/libc.so.6 -> libc-2.2.4.so
-rwxr-xr-x 2 root root 1285788 Apr 2 11:58 /lib/libc-2.2.4.so
-rw-r--r-- 1 root root 27332668 Apr 2 11:42 /usr/lib/libc.a
-rw-r--r-- 1 root root 178 Apr 2 11:42 /usr/lib/libc.so
Configure command: ./configure --disable-shared --with-mysqld-ldflags=-all-static
--with-client-ldflags=-all-static --without-berkeley-db --with-innodb
--enable-assembler --with-mysqld-user=mysql
--with-unix-socket-path=/var/lib/mysql/mysql.sock --prefix=/
--with-extra-charsets=complex --exec-prefix=/usr --libexecdir=/usr/sbin
--sysconfdir=/etc --datadir=/usr/share --localstatedir=/var/lib/mysql
--infodir=/usr/info --includedir=/usr/include --mandir=/usr/man --with-embedded-server
--enable-thread-safe-client '--with-comment=Official MySQL RPM'
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