ActiveRecord without Rails Please install the mysql2 adapter

Question

I'm trying to access a mysql database using ruby with ActiveRecord. The ruby file is dbtest.rb.

require 'rubygems' require 'active_record' ActiveRecord::Base.establish_connection( :adapter => "mysql2", :host => "localhost", :database => "students" ) class Rubyist < ActiveRecord::Base end

When I try to load this file via irb or run it using ruby I get the following error:

.rvm/rubies/ruby-1.9.3-p194/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:55:in `require': Please install the mysql2 adapter: `gem install activerecord-mysql2-adapter`

I've installed both the mysql2 gem and activerecord-mysql2-adapter successfully. When I installed the activerecord-mysql2-adapter I received the following messages:

gem install activerecord-mysql2-adapter Fetching: activerecord-mysql2-adapter-0.0.3.gem (100%) Successfully installed activerecord-mysql2-adapter-0.0.3 1 gem installed

Do I need to rename the adapter?

I'm not using Rails, therefore I don't have a Gemfile and doesn't Bundle require a Gemfile? — JohnGalt
– JohnGalt, Commented Feb 6, 2013 at 1:56

JohnGalt · Accepted Answer · 2013-02-06 04:07:26Z

2

I added "export DYLD_LIBRARY_PATH=/usr/local/mysql/lib:$DYLD_LIBRARY_PATH" to my .bash_profile which fixed it.

answered Feb 6, 2013 at 4:07

JohnGalt

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