425 lines
11 KiB
Groff
425 lines
11 KiB
Groff
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'\" t
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.\" Title: \fBmysql_upgrade\fR
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.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author]
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.\" Generator: DocBook XSL Stylesheets v1.77.1 <http://docbook.sf.net/>
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.\" Date: 11/04/2013
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.\" Manual: MySQL Database System
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.\" Source: MySQL 5.1
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.\" Language: English
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.\"
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.TH "\FBMYSQL_UPGRADE\FR" "1" "11/04/2013" "MySQL 5\&.1" "MySQL Database System"
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.\" -----------------------------------------------------------------
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.\" * Define some portability stuff
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.\" -----------------------------------------------------------------
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.\" http://bugs.debian.org/507673
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.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.ie \n(.g .ds Aq \(aq
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.el .ds Aq '
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.\" -----------------------------------------------------------------
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.\" * set default formatting
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.\" -----------------------------------------------------------------
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.\" disable hyphenation
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.nh
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.\" disable justification (adjust text to left margin only)
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.ad l
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.\" -----------------------------------------------------------------
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.\" * MAIN CONTENT STARTS HERE *
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.\" -----------------------------------------------------------------
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.\" mysql_upgrade
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.\" upgrading MySQL
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.\" MySQL: upgrading
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.SH "NAME"
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mysql_upgrade \- check and upgrade MySQL tables
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.SH "SYNOPSIS"
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.HP \w'\fBmysql_upgrade\ [\fR\fB\fIoptions\fR\fR\fB]\fR\ 'u
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\fBmysql_upgrade [\fR\fB\fIoptions\fR\fR\fB]\fR
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.SH "DESCRIPTION"
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.PP
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\fBmysql_upgrade\fR
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examines all tables in all databases for incompatibilities with the current version of MySQL Server\&.
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\fBmysql_upgrade\fR
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also upgrades the system tables so that you can take advantage of new privileges or capabilities that might have been added\&.
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.PP
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\fBmysql_upgrade\fR
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should be executed each time you upgrade MySQL\&. It supersedes the older
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\fBmysql_fix_privilege_tables\fR
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script, which should no longer be used\&.
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.PP
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If
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\fBmysql_upgrade\fR
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finds that a table has a possible incompatibility, it performs a table check and, if problems are found, attempts a table repair\&. If the table cannot be repaired, see
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Section\ \&2.13.4, \(lqRebuilding or Repairing Tables or Indexes\(rq
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for manual table repair strategies\&.
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.if n \{\
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.sp
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.\}
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.RS 4
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.it 1 an-trap
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.nr an-no-space-flag 1
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.nr an-break-flag 1
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.br
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.ps +1
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\fBNote\fR
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.ps -1
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.br
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.PP
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On Windows Server 2008, Vista, and newer, you must run
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\fBmysql_upgrade\fR
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with administrator privileges\&. You can do this by running a Command Prompt as Administrator and running the command\&. Failure to do so may result in the upgrade failing to execute correctly\&.
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.sp .5v
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.RE
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.if n \{\
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.sp
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.\}
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.RS 4
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.it 1 an-trap
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.nr an-no-space-flag 1
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.nr an-break-flag 1
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.br
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.ps +1
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\fBCaution\fR
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.ps -1
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.br
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.PP
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You should always back up your current MySQL installation
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\fIbefore\fR
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performing an upgrade\&. See
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Section\ \&7.2, \(lqDatabase Backup Methods\(rq\&.
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.PP
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Some upgrade incompatibilities may require special handling before you upgrade your MySQL installation and run
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\fBmysql_upgrade\fR\&. See
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Section\ \&2.13.1, \(lqUpgrading MySQL\(rq, for instructions on determining whether any such incompatibilities apply to your installation and how to handle them\&.
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.sp .5v
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.RE
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.PP
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To use
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\fBmysql_upgrade\fR, make sure that the server is running, and then invoke it like this:
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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shell> \fBmysql_upgrade [\fR\fB\fIoptions\fR\fR\fB]\fR
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.fi
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.if n \{\
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.RE
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.\}
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.PP
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After running
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\fBmysql_upgrade\fR, stop the server and restart it so that any changes made to the system tables take effect\&.
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.PP
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\fBmysql_upgrade\fR
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executes the following commands to check and repair tables and to upgrade the system tables:
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.sp
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.if n \{\
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.RS 4
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.\}
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.nf
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mysqlcheck \-\-all\-databases \-\-check\-upgrade \-\-auto\-repair
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mysql < \fIfix_priv_tables\fR
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mysqlcheck \-\-all\-databases \-\-check\-upgrade \-\-fix\-db\-names \-\-fix\-table\-names
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.fi
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.if n \{\
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.RE
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.\}
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.PP
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Notes about the preceding commands:
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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Because
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\fBmysql_upgrade\fR
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invokes
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\fBmysqlcheck\fR
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with the
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\fB\-\-all\-databases\fR
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option, it processes all tables in all databases, which might take a long time to complete\&. Each table is locked and therefore unavailable to other sessions while it is being processed\&. Check and repair operations can be time\-consuming, particularly for large tables\&.
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.RE
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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For details about what checks the
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\fB\-\-check\-upgrade\fR
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option entails, see the description of the
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FOR UPGRADE
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option of the
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CHECK TABLE
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statement (see
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Section\ \&13.7.2.3, \(lqCHECK TABLE Syntax\(rq)\&.
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.RE
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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\fIfix_priv_tables\fR
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represents a script generated internally by
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\fBmysql_upgrade\fR
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that contains SQL statements to upgrade the tables in the
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mysql
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database\&.
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.RE
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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Prior to MySQL 5\&.1\&.31,
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\fBmysql_upgrade\fR
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does not run the second
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\fBmysqlcheck\fR
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command, which is necessary to re\-encode database or table names that contain nonalphanumeric characters\&. (They still appear after the upgrade with the
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#mysql50#
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prefix described in
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Section\ \&9.2.3, \(lqMapping of Identifiers to File Names\(rq\&.) If you have such database or table names, execute the second
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\fBmysqlcheck\fR
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command manually after executing
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\fBmysql_upgrade\fR\&.
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.RE
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.PP
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All checked and repaired tables are marked with the current MySQL version number\&. This ensures that next time you run
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\fBmysql_upgrade\fR
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with the same version of the server, it can tell whether there is any need to check or repair the table again\&.
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.\" mysql_upgrade_info file: mysql_upgrade
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.\" mysql_upgrade: mysql_upgrade_info file
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.PP
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\fBmysql_upgrade\fR
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also saves the MySQL version number in a file named
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mysql_upgrade_info
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in the data directory\&. This is used to quickly check whether all tables have been checked for this release so that table\-checking can be skipped\&. To ignore this file and perform the check regardless, use the
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\fB\-\-force\fR
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option\&.
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.PP
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If you install MySQL from RPM packages on Linux, you must install the server and client RPMs\&.
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\fBmysql_upgrade\fR
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is included in the server RPM but requires the client RPM because the latter includes
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\fBmysqlcheck\fR\&. (See
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Section\ \&2.5.1, \(lqInstalling MySQL on Linux Using RPM Packages\(rq\&.)
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.PP
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In MySQL 5\&.1\&.7,
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\fBmysql_upgrade \fR
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was added as a shell script and worked only for Unix systems\&. As of MySQL 5\&.1\&.10,
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\fBmysql_upgrade\fR
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is an executable binary and is available on all systems\&.
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.PP
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\fBmysql_upgrade\fR
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does not upgrade the contents of the help tables\&. For upgrade instructions, see
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Section\ \&5.1.9, \(lqServer-Side Help\(rq\&.
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.PP
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\fBmysql_upgrade\fR
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supports the following options, which can be specified on the command line or in the
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[mysql_upgrade]
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and
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[client]
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groups of an option file\&. Other options are passed to
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\fBmysqlcheck\fR\&. For example, it might be necessary to specify the
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\fB\-\-password[=\fR\fB\fIpassword\fR\fR\fB]\fR
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option\&.
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\fBmysql_upgrade\fR
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also supports the options for processing option files described at
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Section\ \&4.2.3.4, \(lqCommand-Line Options that Affect Option-File Handling\(rq\&.
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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.\" mysql_upgrade: help option
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.\" help option: mysql_upgrade
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\fB\-\-help\fR
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.sp
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Display a short help message and exit\&.
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.RE
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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.\" mysql_upgrade: basedir option
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.\" basedir option: mysql_upgrade
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\fB\-\-basedir=\fR\fB\fIpath\fR\fR
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.sp
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The path to the MySQL installation directory\&. This option is accepted for backward compatibility but ignored\&.
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.RE
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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.\" mysql_upgrade: datadir option
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.\" datadir option: mysql_upgrade
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\fB\-\-datadir=\fR\fB\fIpath\fR\fR
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.sp
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The path to the data directory\&. This option is accepted for backward compatibility but ignored\&.
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.RE
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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.\" mysql_upgrade: debug-check option
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.\" debug-check option: mysql_upgrade
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\fB\-\-debug\-check\fR
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.sp
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Print some debugging information when the program exits\&. This option was added in MySQL 5\&.1\&.21\&.
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.RE
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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.\" mysql_upgrade: debug-info option
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.\" debug-info option: mysql_upgrade
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\fB\-\-debug\-info\fR,
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\fB\-T\fR
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.sp
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Print debugging information and memory and CPU usage statistics when the program exits\&. This option was added in MySQL 5\&.1\&.21\&.
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.RE
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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.\" mysql_upgrade: force option
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.\" force option: mysql_upgrade
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\fB\-\-force\fR
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.sp
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Ignore the
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mysql_upgrade_info
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file and force execution of
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\fBmysqlcheck\fR
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even if
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\fBmysql_upgrade\fR
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|
|
has already been executed for the current version of MySQL\&.
|
||
|
|
.RE
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|
.sp
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|
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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.\" mysql_upgrade: tmpdir option
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.\" tmpdir option: mysql_upgrade
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\fB\-\-tmpdir=\fR\fB\fIpath\fR\fR,
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\fB\-t \fR\fB\fIpath\fR\fR
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.sp
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The path name of the directory to use for creating temporary files\&. This option was added in MySQL 5\&.1\&.25\&.
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|
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.RE
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.sp
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|
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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.\" mysql_upgrade: user option
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.\" user option: mysql_upgrade
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\fB\-\-user=\fR\fB\fIuser_name\fR\fR,
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\fB\-u \fR\fB\fIuser_name\fR\fR
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.sp
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The MySQL user name to use when connecting to the server\&. The default user name is
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root\&.
|
||
|
|
.RE
|
||
|
|
.sp
|
||
|
|
.RS 4
|
||
|
|
.ie n \{\
|
||
|
|
\h'-04'\(bu\h'+03'\c
|
||
|
|
.\}
|
||
|
|
.el \{\
|
||
|
|
.sp -1
|
||
|
|
.IP \(bu 2.3
|
||
|
|
.\}
|
||
|
|
.\" mysql_upgrade: verbose option
|
||
|
|
.\" verbose option: mysql_upgrade
|
||
|
|
\fB\-\-verbose\fR
|
||
|
|
.sp
|
||
|
|
Verbose mode\&. Print more information about what the program does\&.
|
||
|
|
.RE
|
||
|
|
.sp
|
||
|
|
.RS 4
|
||
|
|
.ie n \{\
|
||
|
|
\h'-04'\(bu\h'+03'\c
|
||
|
|
.\}
|
||
|
|
.el \{\
|
||
|
|
.sp -1
|
||
|
|
.IP \(bu 2.3
|
||
|
|
.\}
|
||
|
|
.\" mysql_upgrade: write-binlog option
|
||
|
|
.\" write-binlog option: mysql_upgrade
|
||
|
|
\fB\-\-write\-binlog\fR
|
||
|
|
.sp
|
||
|
|
Cause binary logging to be enabled while
|
||
|
|
\fBmysql_upgrade\fR
|
||
|
|
runs\&. This is the default behavior; to disable binary logging during the upgrade, use the inverse of this option (that is, start the program with
|
||
|
|
\fB\-\-skip\-write\-binlog\fR)\&.
|
||
|
|
.sp
|
||
|
|
This option was introduced in MySQL 5\&.1\&.40\&.
|
||
|
|
.RE
|
||
|
|
.SH "COPYRIGHT"
|
||
|
|
.br
|
||
|
|
.PP
|
||
|
|
Copyright \(co 1997, 2013, Oracle and/or its affiliates. All rights reserved.
|
||
|
|
.PP
|
||
|
|
This documentation is free software; you can redistribute it and/or modify it only under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License.
|
||
|
|
.PP
|
||
|
|
This documentation is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
|
||
|
|
.PP
|
||
|
|
You should have received a copy of the GNU General Public License along with the program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or see http://www.gnu.org/licenses/.
|
||
|
|
.sp
|
||
|
|
.SH "SEE ALSO"
|
||
|
|
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
|
||
|
|
Oracle Corporation (http://dev.mysql.com/).
|