On 15/01/2012 17:20, Chuck Swiger wrote: > If you specify a hostname and port via "--host=localhost > --port=3306", then you are describing a TCP socket. There is no > pathname involved. You could connect regardless of where mysqld is > putting the socket.
Some MySQL clients will gratuitously change a connection attempt to
localhost to use the /tmp/mysql.sock unix domain socket because it does
perform a bit faster, and it seems they don't expect their users to just
ask for a socket connection explicitly. You can test this fairly
simply: set up your server with 'skip-networking' temporarily and try
making client connections to it.
Of course, for some language API's there's no option but to use a
network socket -- Java being a case in point -- but that's the exception
rather than the rule.
To force the command line mysql(1) client to use a network connection to
localhost you need to use the --protocol=TCP argument
Cheers,
Matthew
--
Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard
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PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate
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