MySQL 8.4 Reference Manual Including MySQL NDB Cluster 8.4
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:
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.
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, -?
| Command-Line Format | --help |
|---|---|
| Type | Boolean |
| Default Value | false |
Display a help message and exit.
--charset=,
dir_name-C
dir_name
| Command-Line Format | --charset |
|---|---|
| Type | String |
| Default Value | ../share/charsets |
The character set directory. The default is
../sql/share/charsets.
--debug=,
debug_options-#
debug_options
| Command-Line Format | --debug=options |
|---|---|
| Type | String |
| Default Value | d:t:O,/tmp/comp_err.trace |
Write a debugging log. A typical
debug_options string is
d:t:O,.
The default is file_named:t:O,/tmp/comp_err.trace.
--debug-info,
-T
| Command-Line Format | --debug-info |
|---|---|
| Type | Boolean |
| Default Value | false |
Print some debugging information when the program exits.
--errmsg-file=,
file_name-H
file_name
| Command-Line Format | --errmsg-file=name |
|---|---|
| Type | File name |
| Default Value | mysqld_errmsg.h |
The name of the error message file. The default is
mysqld_errmsg.h.
--header-file=,
file_name-H
file_name
| Command-Line Format | --header-file=name |
|---|---|
| Type | File name |
| Default Value | mysqld_error.h |
The name of the error header file. The default is
mysqld_error.h.
--in-file-errlog=,
file_name-e
file_name
| Command-Line Format | --in-file-errlog |
|---|---|
| Type | File name |
| Default Value | ../share/messages_to_error_log.txt |
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.
--in-file-toclient=,
file_name-c
file_name
| Command-Line Format | --in-file-toclient=path |
|---|---|
| Type | File name |
| Default Value | ../share/messages_to_clients.txt |
The name of the input file that defines error messages
intended to be written to clients. The default is
../share/messages_to_clients.txt.
--name-file=,
file_name-N
file_name
| Command-Line Format | --name-file=name |
|---|---|
| Type | File name |
| Default Value | mysqld_ername.h |
The name of the error name file. The default is
mysqld_ername.h.
--out-dir=,
dir_name-D
dir_name
| Command-Line Format | --out-dir=path |
|---|---|
| Type | String |
| Default Value | ../share/ |
The name of the output base directory. The default is
../sql/share/.
--out-file=,
file_name-O
file_name
| Command-Line Format | --out-file=name |
|---|---|
| Type | File name |
| Default Value | errmsg.sys |
The name of the output file. The default is
errmsg.sys.
--version,
-V
| Command-Line Format | --version |
|---|---|
| Type | Boolean |
| Default Value | false |
Display version information and exit.