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COMP_ERR

NAME
SYNOPSIS
DESCRIPTION
COPYRIGHT
SEE ALSO
AUTHOR

NAME

comp_err − compile MySQL error message file

SYNOPSIS

comp_err [options]

DESCRIPTION

comp_err creates the errmsg.sys file that is used by mysqld to determine the error messages to display for different error codes. comp_err normally is run automatically when MySQL is built. It compiles the errmsg.sys file from text−format error information in MySQL source distributions:

• As of MySQL 8.0.19, the error information comes from the messages_to_error_log.txt and messages_to_clients.txt files in the share directory.

For more information about defining error messages, see the comments within those files, along with the errmsg_readme.txt file.

• Prior to MySQL 8.0.19, the error information comes from the errmsg−utf8.txt file in the sql/share directory.

comp_err also generates the mysqld_error.h, mysqld_ername.h, and mysqld_errmsg.h header files.

Invoke comp_err like this:

comp_err [options]

comp_err supports the following options.

−−help, −? Display a help message and exit.

−−charset=dir_name, −C dir_name The character set directory. The default is ../sql/share/charsets.

−−debug=debug_options, −# debug_options Write a debugging log. A typical debug_options string is d:t:O,file_name. The default is d:t:O,/tmp/comp_err.trace.

−−debug−info, −T Print some debugging information when the program exits.

−−errmsg−file=file_name, −H file_name The name of the error message file. The default is mysqld_errmsg.h. This option was added in MySQL 8.0.18.

−−header−file=file_name, −H file_name The name of the error header file. The default is mysqld_error.h.

−−in−file=file_name, −F file_name The name of the input file. The default is ../share/errmsg−utf8.txt.

This option was removed in MySQL 8.0.19 and replaced by the −−in−file−errlog and −−in−file−toclient options.

−−in−file−errlog=file_name, −e file_name The name of the input file that defines error messages intended to be written to the error log. The default is ../share/messages_to_error_log.txt.

This option was added in MySQL 8.0.19.

−−in−file−toclient=file_name, −c file_name The name of the input file that defines error messages intended to be written to clients. The default is ../share/messages_to_clients.txt.

This option was added in MySQL 8.0.19.

−−name−file=file_name, −N file_name The name of the error name file. The default is mysqld_ername.h.

−−out−dir=dir_name, −D dir_name The name of the output base directory. The default is ../sql/share/.

−−out−file=file_name, −O file_name The name of the output file. The default is errmsg.sys.

−−version, −V Display version information and exit.

COPYRIGHT

Copyright © 1997, 2021, Oracle and/or its affiliates.

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.

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.

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/.

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/.

AUTHOR

Oracle Corporation (http://dev.mysql.com/).