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The mysql_tzinfo_to_sql program loads the
time zone tables in the mysql
database. It is
used on systems that have a
zoneinfo database (the set
of files describing time zones). Examples of such systems are
Linux, FreeBSD, Solaris, and OS X. 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, “MySQL Server Time Zone Support”.
mysql_tzinfo_to_sql can be invoked several ways:
shell> mysql_tzinfo_to_sql tz_dir
shell> mysql_tzinfo_to_sql tz_file tz_name
shell> mysql_tzinfo_to_sql --leap tz_file
For the first invocation syntax, pass the zoneinfo directory path name to mysql_tzinfo_to_sql and send the output into the mysql program. For example:
shell> mysql_tzinfo_to_sql /usr/share/zoneinfo | mysql -u root mysql
mysql_tzinfo_to_sql reads your system's time zone files and generates SQL statements from them. mysql processes those statements to load the time zone tables.
The second syntax causes mysql_tzinfo_to_sql
to load a single time zone file
tz_file
that corresponds to a time
zone name tz_name
:
shell> mysql_tzinfo_to_sql tz_file tz_name | mysql -u root mysql
If your time zone needs to account for leap seconds, invoke
mysql_tzinfo_to_sql using the third syntax,
which initializes the leap second information.
tz_file
is the name of your time zone
file:
shell> mysql_tzinfo_to_sql --leap tz_file | mysql -u root mysql
After running mysql_tzinfo_to_sql, it is best to restart the server so that it does not continue to use any previously cached time zone data.
Document created the 26/06/2006, last modified the 26/10/2018
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