***************************** Introducing to TSQL ***************************** ========== Synopsis ========== .. code-block:: bash bin/tsql [options] [database name] If a *database_name* is given, tsql connects to the database at startup time. Otherwise, tsql connects to ``default`` database. Options * ``-c "quoted sql"`` : Execute quoted sql statements, and then the shell will exist. * ``-f filename (--file filename)`` : Use the file named filename as the source of commands instead of interactive shell. * ``-h hostname (--host hostname)`` : Specifies the host name of the machine on which the Tajo master is running. * ``-p port (--port port)`` : Specifies the TCP port. If it is not set, the port will be 26002 by default. * ``-conf configuration (--conf configuration)`` : Setting Tajo configuration value. * ``-param parameter (--param parameter)`` : Use a parameter value in SQL file. * ``-B (--background)`` : Execute as background process. =================== Entering tsql shell =================== If the hostname and the port num are not given, tsql will try to connect the Tajo master specified in ${TAJO_HOME}/conf/tajo-site.xml. :: bin/tsql default> If you want to connect a specified TajoMaster, you should use '-h' and (or) 'p' options as follows: :: bin/tsql -h localhost -p 9004 default> The prompt indicates the current database.