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Special Forums News, Links, Events and Announcements Software Releases - RSS News Q4M 0.4 (Default branch)
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Old 04-07-2008
Q4M 0.4 (Default branch)
Q4M (Queue for MySQL) is a message queue that works as a pluggable storage engine for MySQL 5.1. It was designed to be robust, fast, and flexible. License: GNU General Public License (GPL) Changes:
Support for conditional subscription was added. Upon subscription, clients may set a condition for data to be sent back.Image

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LEARN ABOUT CENTOS

perror

PERROR(1)						       MySQL Database System							 PERROR(1)

NAME

       perror - explain error codes

SYNOPSIS

       perror [options] errorcode ...

DESCRIPTION

       For most system errors, MySQL displays, in addition to an internal text message, the system error code in one of the following styles:

	   message ... (errno: #)
	   message ... (Errcode: #)

       You can find out what the error code means by examining the documentation for your system or by using the perror utility.

       perror prints a description for a system error code or for a storage engine (table handler) error code.

       Invoke perror like this:

	   shell> perror [options] errorcode ...

       Example:

	   shell> perror 13 64
	   OS error code  13:  Permission denied
	   OS error code  64:  Machine is not on the network

       To obtain the error message for a MySQL Cluster error code, invoke perror with the --ndb option:

	   shell> perror --ndb errorcode

       Note that 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.

       o   --help, --info, -I, -?

	   Display a help message and exit.

       o   --ndb

	   Print the error message for a MySQL Cluster error code.

       o   --silent, -s

	   Silent mode. Print only the error message.

       o   --verbose, -v

	   Verbose mode. Print error code and message. This is the default behavior.

       o   --version, -V

	   Display version information and exit.

COPYRIGHT

       Copyright 2007-2008 MySQL AB, 2008-2010 Sun Microsystems, Inc.

       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

       Sun Microsystems, Inc. (http://www.mysql.com/).

MySQL 5.1							    04/06/2010								 PERROR(1)