Hi All, I'm trying to run a simple Activerecord query (I'm still learning) but I'm running into a brick wall on the following error:
[4;36;1mProduct Load (0.0ms) [0m [0;1mSELECT * FROM `products` LIMIT 1 [0m (eval):3:in `each_hash': NULL pointer given (ArgumentError) from (eval):3:in `all_hashes' from c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/mysql_adapter.rb:605:in `select' from c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/database_statements.rb:7:in `select_all_without_query_cache' from c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connection_adapters/abstract/query_cache.rb:62:in `select_all' from c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/base.rb:661:in `find_by_sql' from c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/base.rb:1548:in `find_every' from c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/base.rb:1505:in `find_initial' from c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/base.rb:613:in `find' from C:/Documents and Settings/XYZ/My Documents/NetBeansProjects/XYZ/vendor/plugins/testing.rb:32 The code that generates this error is as follows: ******************************************************************** require 'mysql' require 'activerecord' # enable activerecord logging ActiveRecord::Base.logger = Logger.new(STDERR) # ActiveRecord connection ActiveRecord::Base.establish_connection( :adapter => "mysql", :host => "localhost", :username => "root", :password => "pw", :database => "etd" ) # old-school mysql connection my = Mysql::real_connect("127.0.0.1", "root", "pw", "etd") # create table and insert data my.query "CREATE TABLE products ( id int(11) NOT NULL auto_increment, name varchar(255), PRIMARY KEY (id))" my.query "INSERT INTO products VALUES('1','brick')" # ActiveRecord class class Product < ActiveRecord::Base end # Activerecord query product_row = Product.find(:first) # Output result puts product_row.name ******************************************************************* Note that I've included the create and insert statements for the convenience of anyone who may want to test this. Once the table and data are there you can remove these statements and the error still occurs. Other platform/version details as follows: Box: Win32 (WinXP) Activerecord ver: 2.3.4 IDE: Netbeans 6.7.1 Mysql gem ver: 2.8.1 Any help or suggestions on how to fix this would be greatly appreciated. Regards, Andre -- Posted via http://www.ruby-forum.com/. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---