perror - display MySQL error message information
perror [options] errorcode ...
perror displays the error message for MySQL or operating system error codes. Invoke perror like this:
perror [options] errorcode ...
perror attempts to be flexible in understanding its arguments. For example, for the ER_WRONG_VALUE_FOR_VAR error, perror understands any of these arguments: 1231, 001231, MY-1231, or MY-001231, or ER_WRONG_VALUE_FOR_VAR.
$> perror 1231 MySQL error code MY-001231 (ER_WRONG_VALUE_FOR_VAR): Variable %-.64s cant be set to the value of %-.200s
If an error number is in the range where MySQL and operating system errors overlap, perror displays both error messages:
$> perror 1 13 OS error code 1: Operation not permitted MySQL error code MY-000001: Cant create/write to file %s (OS errno %d - %s) OS error code 13: Permission denied MySQL error code MY-000013: Cant get stat of %s (OS errno %d - %s)
To obtain the error message for a MySQL Cluster error code, use the ndb_perror utility.
The meaning of system error messages may be dependent on your operating system. A given error code may mean different things on different operating systems.
perror supports the following options.
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--help, --info, -I, -? Display a help message and exit.
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--ndb Print the error message for a MySQL Cluster error code.
This option was removed in MySQL 8.0.13. Use the ndb_perror utility instead.
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--silent, -s Silent mode. Print only the error message.
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--verbose, -v Verbose mode. Print error code and message. This is the default behavior.
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--version, -V Display version information and exit.
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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/.
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