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comp.lang.ruby

Mysql::Error Table doesn't exist

Michael Furmaniuk

4/7/2009 3:37:00 PM

I installed the Windows mysql gem, I'm using MySQL on Windows, and have
been able to get the connection to work but am having trouble figuring
out what is happening with my query. What I have is (with non-essential
parts stripped out):

require 'active_record'

# Database connection
begin
dbconfig = YAML::load(File.open('../conf/database.yml'))
ActiveRecord::Base.establish_connection(dbconfig)
rescue
puts $!
end

class TestResults < ActiveRecord::Base
end

io.puts "What Agents do you want to see?\n"
io.print "Agent Name = "
my_agent = io.gets.chomp
io.puts "Looking for #{my_agent}\n"
begin
agents = TestResults.first()
io.puts %{Found #{agents.testname} - #{agents.status}}
rescue
puts $!
end

When I run interactively I can enter my Agent name but all I see then
is:
Mysql::Error: Table 'auto_harness_development.test_results' doesn't
exist: SELECT * FROM `test_results` LIMIT 1

I don't understand why test_results is getting appended to the table
name, or why its being inserted into the select statement as the table
name, is there a configuration parameter I need to set or am I just
misusing the query?
--
Posted via http://www.ruby-....
1 Answer

Michael Furmaniuk

4/8/2009 5:40:00 PM

0

So, I ended up taking another look at this today and realized I hadn't
been paying as much attention to the naming as I would in Rails.

Changing:
> class TestResults < ActiveRecord::Base
to
class AutoHarnesses < ActiveRecord::Base

and

> agents = TestResults.first()
to
agents = AutoHarnesses.first()

I get my query to complete, I didn't realize ActiveRecord here was also
using the same naming standards as it does within Rails, but I should
have expected that since the access methods seem to be the same.
--
Posted via http://www.ruby-....