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.\" Title: \fBmysql_upgrade\fR
.\" Author:
.\" Generator: DocBook XSL Stylesheets v1.70.1 <http://docbook.sf.net/>
.\" Date: 12/20/2006
.\" Manual: MySQL Database System
.\" Source: MySQL 5.0
.\"
.TH "\fBMYSQL_UPGRADE\fR" "1" "12/20/2006" "MySQL 5.0" "MySQL Database System"
.\" disable hyphenation
.nh
.\" disable justification (adjust text to left margin only)
.ad l
.SH "NAME"
mysql_upgrade \- check tables for MySQL upgrade
.SH "SYNOPSIS"
.HP 24
\fBmysql_upgrade [\fR\fB\fIoptions\fR\fR\fB]\fR
.SH "DESCRIPTION"
.PP
\fBmysql_upgrade\fR
should be executed each time you upgrade MySQL. It checks all tables in all databases for incompatibilities with the current version of MySQL Server. If a table is found to have a possible incompatibility, it is checked. If any problems are found, the table is repaired.
\fBmysql_upgrade\fR
also upgrades the system tables so that you can take advantage of new privileges or capabilities that might have been added.
.PP
All checked and repaired tables are marked with the current MySQL version number. This ensures that next time you run
\fBmysql_upgrade\fR
with the same version of the server, it can tell whether there is any need to check or repair the table again.
.PP
\fBmysql_upgrade\fR
also saves the MySQL version number in a file named
\fImysql_upgrade.info\fR
in the data directory. This is used to quickly check if all tables have been checked for this release so that table\-checking can be skipped. To ignore this file, use the
\fB\-\-force\fR
option.
.PP
To check and repair tables and to upgrade the system tables,
\fBmysql_upgrade\fR
executes the following commands:
.sp
.RS 3n
.nf
mysqlcheck \-\-check\-upgrade \-\-all\-databases \-\-auto\-repair
mysql_fix_privilege_tables
.fi
.RE
.PP
\fBmysql_upgrade\fR
supersedes the older
\fBmysql_fix_privilege_tables\fR
script. In MySQL 5.0.19,
\fBmysql_upgrade \fR
was added as a shell script and worked only for Unix systems. As of MySQL 5.0.25,
\fBmysql_upgrade\fR
is an executable binary and is available on all systems. On systems older than those supporting
\fBmysql_upgrade\fR, you can execute the
\fBmysqlcheck\fR
command manually, and then upgrade your system tables as described in
\fBmysql_fix_privilege_tables\fR(1).
.PP
For details about what is checked, see the description of the
FOR UPGRADE
option of the
CHECK TABLE
statement (see
Section\ 5.2.3, \(lqCHECK TABLE Syntax\(rq).
.PP
To use
\fBmysql_upgrade\fR, make sure that the server is running, and then invoke it like this:
.sp
.RS 3n
.nf
shell> \fBmysql_upgrade [\fR\fB\fIoptions\fR\fR\fB]\fR
.fi
.RE
.PP
\fBmysql_upgrade\fR
reads options from the command line and from the
[mysql_upgrade]
group in option files. It supports the following options:
.TP 3n
\(bu
\fB\-\-help\fR
.sp
Display a short help message and exit.
.TP 3n
\(bu
\fB\-\-basedir=\fR\fB\fIpath\fR\fR
.sp
The path to the MySQL installation directory.
.TP 3n
\(bu
\fB\-\-datadir=\fR\fB\fIpath\fR\fR
.sp
The path to the data directory.
.TP 3n
\(bu
\fB\-\-force\fR
.sp
Force execution of
\fBmysqlcheck\fR
even if
\fBmysql_upgrade\fR
has already been executed for the current version of MySQL. (In other words, this option causes the
\fImysql_upgrade.info\fR
file to be ignored.)
.TP 3n
\(bu
\fB\-\-user=\fR\fB\fIuser_name\fR\fR,
\fB\-u \fR\fB\fIuser_name\fR\fR
.sp
The MySQL username to use when connecting to the server. The default username is
root.
.TP 3n
\(bu
\fB\-\-verbose\fR
.sp
Verbose mode. Print more information about what the program does.
.sp
.RE
.PP
Other options are passed to
\fBmysqlcheck\fR
and to
\fBmysql_fix_privilege_tables\fR. For example, it might be necessary to specify the
\fB\-\-password[=\fR\fB\fIpassword\fR\fR\fB]\fR
option.
.SH "COPYRIGHT"
.PP
Copyright 1997\-2006 MySQL AB
.PP
This documentation is NOT distributed under a GPL license. Use of this documentation is subject to the following terms: You may create a printed copy of this documentation solely for your own personal use. Conversion to other formats is allowed as long as the actual content is not altered or edited in any way. You shall not publish or distribute this documentation in any form or on any media, except if you distribute the documentation in a manner similar to how MySQL disseminates it (that is, electronically for download on a Web site with the software) or on a CD\-ROM or similar medium, provided however that the documentation is disseminated together with the software on the same medium. Any other use, such as any dissemination of printed copies or use of this documentation, in whole or in part, in another publication, requires the prior written consent from an authorized representative of MySQL AB. MySQL AB reserves any and all rights to this documentation not expressly granted above.
.PP
Please email
<docs@mysql.com>
for more information.
.SH "SEE ALSO"
msql2mysql(1),
my_print_defaults(1),
myisam_ftdump(1),
myisamchk(1),
myisamlog(1),
myisampack(1),
mysql(1),
mysql.server(1),
mysql_config(1),
mysql_explain_log(1),
mysql_fix_privilege_tables(1),
mysql_tzinfo_to_sql(1),
mysql_zap(1),
mysqlaccess(1),
mysqladmin(1),
mysqlbinlog(1),
mysqlcheck(1),
mysqld(8),
mysqld_multi(1),
mysqld_safe(1),
mysqldump(1),
mysqlhotcopy(1),
mysqlimport(1),
mysqlmanager(8),
mysqlshow(1),
perror(1),
replace(1),
safe_mysqld(1)
.P
For more information, please refer to the MySQL Reference Manual,
which may already be installed locally and which is also available
online at http://dev.mysql.com/doc/.
.SH AUTHOR
MySQL AB (http://www.mysql.com/).
This software comes with no warranty.
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