uninitialized constant MysqlCompat::MysqlRes
Trying to get a Rails app running on Snow Leopard.
When I attempt to run "rake db:migrate" I get
Yes I know this has been asked before. I have already reviewed the following links and followed the steps included in them and the result is the same each time.
Prior to the following commands I run "sudo gem uninstall mysql" followed by "sudo gem clean mysql" based on the above links:
It is still failing. I am just flumoxed and would greatly appreciate any help.
Many thanks!
Not had the experience myself and I'm using Snow Leopard, RVM and rails 2.3.5 to 3.0.3, but found another view which deals with the uninstall and reinstall via :
export ARCHFLAGS="-arch i386 -arch x86_64" ;sudo gem install --no-rdoc --no-ri -v=2.7 mysql -- --with-mysql-dir=/usr/local/mysql --with-mysql-config=/usr/local/mysql/bin/mysql_config
For more details see the posting at: http://accidentaltechnologist.com/apple/fixing-uninitialized-constant-mysqlcompatmysqlres-error-on-snow-leopard/
For El Capitan you don't need to uninstall / install.
Just found your libmysqlclient.18.dylib file. Location will depent on how you installed mysql
locate libmysqlclient.18.dylib
Once you have the path create a symb link as:
ln -s /usr/local/mysql-5.5.20-osx10.6-x86_64/lib/libmysqlclient.18.dylib /usr/local/lib/libmysqlclient.18.dylib
You have two change first param according to your dynamic library location (use the first command).
On El Capitan the link should be to /usr/local/lib . On previous versions link was to /usr/lib/
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