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.\"     Title: mysql_tzinfo_to_sql
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: 11/29/2021
.\"    Manual: MySQL Database System
.\"    Source: MySQL 5.7
.\"  Language: English
.\"
.TH "MYSQL_TZINFO_TO_SQL" "1" "11/29/2021" "MySQL 5\&.7" "MySQL Database System"
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.SH "NAME"
mysql_tzinfo_to_sql \- load the time zone tables
.SH "SYNOPSIS"
.HP \w'\fBmysql_tzinfo_to_sql\ \fR\fB\fIarguments\fR\fR\ 'u
\fBmysql_tzinfo_to_sql \fR\fB\fIarguments\fR\fR
.SH "DESCRIPTION"
.PP
The
\fBmysql_tzinfo_to_sql\fR
program loads the time zone tables in the
mysql
database\&. It is used on systems that have a
\fIzoneinfo\fR
database (the set of files describing time zones)\&. Examples of such systems are Linux, FreeBSD, Solaris, and macOS\&. One likely location for these files is the
/usr/share/zoneinfo
directory (/usr/share/lib/zoneinfo
on Solaris)\&. If your system does not have a zoneinfo database, you can use the downloadable package described in
Section\ \&5.1.13, \(lqMySQL Server Time Zone Support\(rq\&.
.PP
\fBmysql_tzinfo_to_sql\fR
can be invoked several ways:
.sp
.if n \{\
.RS 4
.\}
.nf
mysql_tzinfo_to_sql \fItz_dir\fR
mysql_tzinfo_to_sql \fItz_file tz_name\fR
mysql_tzinfo_to_sql \-\-leap \fItz_file\fR
.fi
.if n \{\
.RE
.\}
.PP
For the first invocation syntax, pass the zoneinfo directory path name to
\fBmysql_tzinfo_to_sql\fR
and send the output into the
\fBmysql\fR
program\&. For example:
.sp
.if n \{\
.RS 4
.\}
.nf
mysql_tzinfo_to_sql /usr/share/zoneinfo | mysql \-u root mysql
.fi
.if n \{\
.RE
.\}
.PP
\fBmysql_tzinfo_to_sql\fR
reads your system\*(Aqs time zone files and generates SQL statements from them\&.
\fBmysql\fR
processes those statements to load the time zone tables\&.
.PP
The second syntax causes
\fBmysql_tzinfo_to_sql\fR
to load a single time zone file
\fItz_file\fR
that corresponds to a time zone name
\fItz_name\fR:
.sp
.if n \{\
.RS 4
.\}
.nf
mysql_tzinfo_to_sql \fItz_file\fR \fItz_name\fR | mysql \-u root mysql
.fi
.if n \{\
.RE
.\}
.PP
If your time zone needs to account for leap seconds, invoke
\fBmysql_tzinfo_to_sql\fR
using the third syntax, which initializes the leap second information\&.
\fItz_file\fR
is the name of your time zone file:
.sp
.if n \{\
.RS 4
.\}
.nf
mysql_tzinfo_to_sql \-\-leap \fItz_file\fR | mysql \-u root mysql
.fi
.if n \{\
.RE
.\}
.PP
After running
\fBmysql_tzinfo_to_sql\fR, it is best to restart the server so that it does not continue to use any previously cached time zone data\&.
.SH "COPYRIGHT"
.br
.PP
Copyright \(co 1997, 2021, Oracle and/or its affiliates.
.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/).