On Dec 5, 2007, at 11:35 AM, Ryan Schmidt wrote:
On Dec 5, 2007, at 03:28, Michael Thon wrote:
I am having a problem with mysql tables that are created via php
occasionally appearing in mysql with lower case names. I now have
to solve two problems:
1) how do I restart the sever via the command line? At the moment
it starts at boot via the launchctl file. If I issue:
sudo launchctl unload /Library/LaunchDaemons/
org.macports.mysql5.plist
and then the load it again with
sudo launchctl load /Library/LaunchDaemons/
org.macports.mysql5.plist
and then try to connect to the server with the mysql5 utility, I
get the error:
ERROR 2002 (HY000): Can't connect to local MySQL server through
socket.....<snip>
I think, if I reboot the machine (which I can't do right now) it'll
start up the right way. but how do I start it the right way from
the command line?
That is the correct way to stop and start the MySQL server. But
after using "launchctl unload" (or stopping the server via any other
means), be sure that all mysqld processes have exited before you try
to start mysqld again using "launchctl load" (or any other means).
That did it. thanks.
2) To fix the case sensitivity problem, I might need to set the
variable lower_case_table_names=0 in my.cnf. which I will create
in /opt/local/etc/mysql5 as soon as I figure out how to restart the
server... unless anyone has another suggestion.
The correct value for Mac OS X MySQL servers using the default HFS+
filesystem is lower_case_table_names=2. MySQL sets
lower_case_table_names to 2 by default on Mac OS X. What this means
is explained here:
http://dev.mysql.com/doc/refman/5.0/en/identifier-case-
sensitivity.html
My personal recommendation is that the letters in your table and
database names should be limited to lowercase (not any uppercase)
characters, so as to avoid any portability problems.
After a little more research, it seems that lower case letters are
more or less a convention among mysql programmers so that is what I
should use too. this does seem to be a bug in mysql though, since
some letters in table names are converted to lower case, while others
are not. I don't have time to work out a good test case so we'll just
change to lower case and act like nothing happened.
cheers
Mike
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