Question

I am getting uninitialized constant MysqlCompat::MysqlRes when I run rake db:migrate.

So here is my story. I upgraded my system to snow leopard and I had an existing project, which was running fine. I was trying to upgrade some stuff, one of which was mysql to 64 bit. That is when everything went wrong. So if I do the following I get the following results from my work/myproject directory.

file which mysql /usr/local/mysql/bin/mysql: Mach-O executable i386
file which ruby /usr/local/bin/ruby: Mach-O executable i386

So I honestly don’t know where I stand it this point. I thought I installed the 64bit version of mysql but this doesn’t show so.

I ran gem uninstall mysql and then ran
sudo env ARCHFLAGS=”-arch x86_64″ gem install mysql — –with-mysql-config=/usr/local/mysql/bin/mysql_config

Did not work either!

Can anyone help?

Answer 1

this worked for me (on OS X 10.6.6):

export DYLD_LIBRARY_PATH=/usr/local/mysql/lib/