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Description: El Dorado is a full-stack community web application written in Ruby/Rails.
Homepage: http://almosteffortless.com/eldorado/
Clone URL: git://github.com/trevorturk/el-dorado.git 
fixing up bad migrations to allow clean upgrade between releases
trevorturk (author)
Fri May 02 16:16:30 -0700 2008
commit  c5a2a008bb6b1fad0d264e163ddf93af62904bc6
tree    a4ea75f6c0f3c6204b9d16e22792481cc0792525
parent  c54df8e4bd1dce81c473c91524c1c65f8901b3a5
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db/migrate/080_fix_user_indexes.rb 
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@@ -1,13 +1,11 @@
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 class FixUserIndexes < ActiveRecord::Migration
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   def self.up
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     remove_index :users, :name => :index_users_on_activity
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-    add_index :users, [:online_at, :logged_out_at], :name => :index_users_on_online_at_and_logged_out_at
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     add_index :users, [:chatting_at], :name => :index_users_on_chatting_at
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   end
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   def self.down
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     add_index :users, [:online_at, :chatting_at, :logged_out_at], :name => :index_users_on_activity
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-    remove_index :users, :name => :index_users_on_online_at_and_logged_out_at
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     remove_index :users, :name => :index_users_on_chatting_at
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   end
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 end
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db/migrate/083_remove_user_index_on_logged_out_at.rb 
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 class RemoveUserIndexOnLoggedOutAt < ActiveRecord::Migration
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   def self.up
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-    remove_index :users, :name => :index_users_on_online_at_and_logged_out_at
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+    remove_index :users, :name => :index_users_on_online_at_and_logged_out_at rescue nil
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   end
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   def self.down

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