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If a Lua script defines the sysbench.hooks.sql_error_ignorable function, sysbench calls it whenever an SQL error occurs and passes information about connection, failed query, SQL error number, state and message as arguments. If the function returns true, the error is ignored and the entire event is restarted. Otherwise sysbench aborts scripts execution.
sysbench Test Suite
sysbench uses the Cram framework for
functional and regression testing. If your system has Python 2.7.9 or
later, or Python 3.4 or later, installing Cram is as simple as executing
pip install cram.
If you use an older Python version, you may need to install pip first:
curl https://bootstrap.pypa.io/get-pip.py | python
To run the sysbench test suite, invoke the test_run.sh script in the
tests directory as follows:
./test_run.sh [test_name]...
Each test_name argument is a name of a test case file. Functional and
regression tests are located in the t subdirectory in files with the
.t suffix.
If no tests are named on the test_run.sh command line, it will execute
all files with the .t suffix in the t subdirectory.
Some tests require external servers (MySQL, PostgreSQL, etc). One should use environment variables to specify connection related arguments that sysbench can use to connect to such external server(s). The currently recognized variables are:
-
SBTEST_MYSQL_ARGS-- MySQL connection options:--mysql-host,--mysql-port,--mysql-socket--mysql-user,--mysql-passwordand--mysql-db; -
SBTEST_PGSQL_ARGS-- PostgreSQL connection options:--pgsql-host,--pgsql-port,--pgsql-user,--pgsql-passwordand--pgsql-db.
For example:
export SBTEST_MYSQL_ARGS="--mysql-host=localhost --mysql-user=sbtest --mysql-password=secret --mysql-db=sbtest"
export SBTEST_PGSQL_ARGS="--pgsql-host=localhost --pgsql-user=postgres --pgsql-password=secret --pgsql-db=sbtest"
./test_run.sh
sysbench assumes that server(s) are pre-configured so that the specified database exists and the user connecting with the specified credentials has all privileges on the database. In particular, sysbench must have enough privileges to create/drop/read/modify tables in that database.