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Section: MySQL Database System (1)
Updated: 06/01/2017
Index Return to Main Contents


mysql_client_test - test client API
mysql_client_test_embedded - test client API for embedded server  


mysql_client_test [options] [test_name] ...
mysql_client_test_embedded [options] [test_name] ...


The mysql_client_test program is used for testing aspects of the MySQL client API that cannot be tested using mysqltest and its test language. mysql_client_test is run as part of the test suite.

mysql_client_test_embedded is similar but is used for testing the embedded server. This program is available only prior to MySQL 8.0.

The source code for the programs can be found in in tests/mysql_client_test.c in a source distribution. The program serves as a good source of examples illustrating how to use various features of the client API.

mysql_client_test is used in a test by the same name in the main tests suite of but may also be run directly. Unlike the other programs listed here, it does not read an external description of what tests to run. Instead, all tests are coded into the program, which is written to cover all aspects of the C language API.

mysql_client_test supports the following options:

* --help, -?

Display a help message and exit.

* --basedir=dir_name, -b dir_name

The base directory for the tests.

* --count=count, -t count

The number of times to execute the tests.

* --database=db_name, -D db_name

The database to use.

* --debug[=debug_options], -#[debug_options]

Write a debugging log if MySQL is built with debugging support. The default debug_options value is 'd:t:o,/tmp/mysql_client_test.trace'.

* --getopt-ll-test=option, -g option

Option to use for testing bugs in the getopt library.

* --host=host_name, -h host_name

Connect to the MySQL server on the given host.

* --password[=password], -p[password]

The password to use when connecting to the server. If you use the short option form (-p), you cannot have a space between the option and the password. If you omit the password value following the --password or -p option on the command line, you are prompted for one.

* --port=port_num, -P port_num

The TCP/IP port number to use for the connection.

* --server-arg=arg, -A arg

Argument to send to the embedded server. This option was removed in MySQL 8.0.

* --show-tests, -T

Show all test names.

* --silent, -s

Be more silent.

* --socket=path, -S path

The socket file to use when connecting to localhost (which is the default host).

* --testcase, -c

The option is used when called from, so that mysql_client_test may optionally behave in a different way than if called manually, for example by skipping some tests. Currently, there is no difference in behavior but the option is included to make this possible.

* --user=user_name, -u user_name

The MySQL user name to use when connecting to the server.

* -v dir_name, --vardir=dir_name

The data directory for tests. The default is mysql-test/var.



Copyright © 2006, 2017, Oracle and/or its affiliates. All rights reserved.

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



For more information, please refer to the MySQL Reference Manual, which may already be installed locally and which is also available online at  


Oracle Corporation (




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