Zdennis ar-extensions

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  Joe None March 18th, 2009 @ 01:41 AM

  I'm also having the same issue, but in a rails context

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  Zach Dennis April 21st, 2009 @ 01:01 PM

  Karsten / joe, sorry about the late response. I didn't have myself as the default assigned user so I wasn't getting emailed by Lighthouse about the ticket.

  Did you find a way around your issue? If you can still reproduce would you mind installing the newest 0.9.1 gem and seeing if the problem exists?

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  Zach Dennis April 21st, 2009 @ 01:02 PM

  Karsten / joe, sorry about the late response. I didn't have myself as the default assigned user so I wasn't getting emailed by Lighthouse about the ticket.

  Did you find a way around your issue? If you can still reproduce would you mind installing the newest 0.9.1 gem and seeing if the problem exists?

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  p-daddy May 12th, 2009 @ 11:05 AM

  Having same problem with require statements

  I've upgraded to 0.9.1

  these are some of my gems

  actionmailer (2.3.2) actionpack (2.3.2) actionwebservice (1.2.6) activemerchant (1.4.2) activerecord (2.3.2) activeresource (2.3.2) activesupport (2.3.2) ar-extensions (0.9.1) archive-tar-minitar (0.5.2) arrayfields (4.7.3) attributes (5.0.1) aws-s3 (0.6.2)

  here's a bit of the trace irb irb(main):001:0> require 'rubygems' => true irb(main):002:0> require 'mysql' => true irb(main):003:0> require 'activerecord' => true irb(main):004:0> require 'date' => [] irb(main):005:0> require 'fastercsv' => [] irb(main):006:0> require 'ftools' => [] irb(main):007:0> require 'facets' => [] irb(main):008:0> require 'yaml' => [] irb(main):009:0> require 'ar-extensions' => [] irb(main):010:0> require 'ar-extensions/import/mysql' NameError: uninitialized constant ActiveRecord::ConnectionAdapters::MysqlAdapter

  from /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/dependencies.rb:440:in `load_missing_constant'
  from /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/dependencies.rb:80:in `const_missing'
  from /usr/lib/ruby/gems/1.8/gems/ar-extensions-0.9.1/lib/ar-extensions/import/mysql.rb:48
  from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
  from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
  from /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/dependencies.rb:156:in `require'
  from /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/dependencies.rb:521:in `new_constants_in'
  from /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/dependencies.rb:156:in `require'
  from (irb):10
  
  

  irb(main):011:0> require 'ar-extensions/adapters/mysql' irb(main):011:0> require 'ar-extensions/adapters/mysql' NameError: uninitialized constant ActiveRecord::ConnectionAdapters::MysqlAdapter

  from /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/dependencies.rb:440:in `load_missing_constant'
  from /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/dependencies.rb:80:in `const_missing'
  from /usr/lib/ruby/gems/1.8/gems/ar-extensions-0.9.1/lib/ar-extensions/adapters/mysql.rb:1
  from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
  from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
  from /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/dependencies.rb:156:in `require'
  from /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/dependencies.rb:521:in `new_constants_in'
  from /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/dependencies.rb:156:in `require'
  from (irb):11
  
  

  irb(main):012:0>

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  Jean-Baptiste Feldis May 13th, 2009 @ 07:20 AM

  Hello guys,

  got the same problem, resolved by adding a:
  "require 'ar-extensions'"

  before the 2 other ones.

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  Thurston May 16th, 2009 @ 12:03 PM

  Thanks, Jean.

  Your advice works, further more, I have to remove that two requires, otherwise still got 'uninitialized constant' issues, seems 0.9.1 is not neccessary to declare adapter...

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  charlesparnot September 18th, 2009 @ 01:12 PM

  I had the same issue with 0.9.2 and running within Rails 2.3.2.

  If I only use "require 'ar-extensions'", no error. If I don't add explicitely the import module for SQLite, it does not do the fast import. So I added "require 'ar-extensions/import/sqlite'". That worked fine, no error.

  The error message was specifically after adding "require 'ar-extensions/import/mysql'" (or "require 'ar-extensions/adapters/mysql'").

  Removing the "require 'ar-extensions/import/mysql'" makes the message go away. But then I am afraid it is not going to have the optimised import running, cf http://www.continuousthinking.com/2008/8/16/ar-extensions-0-8-0-for.... So, Thurston, I am afraid you may have removed the error messages, but not sure you have the functionality you want.

  The way to fix all of this is to add this line to your config/environment.rb in the "Rails::Initializer.run" block:

  config.gem "activerecord"

  After this, you don't even need "require 'ar-extensions'".

  I have no idea where the whole thing comes from, too much gem voodoo loading going on :-)

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  bruce December 1st, 2009 @ 01:37 AM

  • Assigned user cleared.

  I installed ar-extensions for the first time today, and in attempting to use on_duplicate_key_update in a rake task I ran smack into this problem.

  I'm using 0.9.2 with Rails 2.3.4.

  When installing the gem, activesupport 2.3.5 was also installed (Rails 2.3.5 was released yesterday). This has nothing to do with it.

  I tried everything in this thread and nothing worked. Keeping in mind something I read somewhere about not being afraid to look at the source, I came upon this at the end of gems/ar-extensions-0.9.2/init.rb:

  #load all available functionality for specified adapter
  # Ex. ENV['LOAD_ADAPTER_EXTENSIONS'] = 'mysql'
  if ENV['LOAD_ADAPTER_EXTENSIONS']
    require "active_record/connection_adapters/#{ENV['LOAD_ADAPTER_EXTENSIONS']}_adapter.rb"
    file_regexp = File.join(File.dirname(__FILE__), 'lib', 'ar-extensions','**',
                            "#{ENV['LOAD_ADAPTER_EXTENSIONS']}.rb")
                          
    Dir.glob(file_regexp){|file| require(file) }
  end
  

  After putting ENV['LOAD_ADAPTER_EXTENSIONS'] = 'mysql' at the top of the rake file before the requires, it worked perfectly.