Ben Mabey wrote:
> Scott Taylor wrote:
>
>> On Sep 20, 2008, at 7:18 PM, Ben Mabey wrote:
>>
>>
>>> Todd Tyree wrote:
>>>
>>>> Ok, here's what I've come up with on the spur of the moment (goes in
>>>> spec_helper.rb):
>>>>
>>>> config.after(:each) do
>>>> result = ActiveRecord::Base.connection.execute('SHOW TABLES;')
>>>> while table = result.fetch_row
>>>> # Or whatever you think is appropriate.
>>>> next if table.index('schema_migrations') or table.index('roles')
>>>> ActiveRecord::Base.connection.execute("TRUNCATE #{table}")
>>>> end
>>>> end
>>>>
>>>>
>>> I've used a similar method before.. However, your 'SHOW TABLES' and next
>>> is not needed:
>>>
>>>
>>> (ActiveRecord::Base.connection.tables - %w{schema_migrations}).each do
>>> |table_name|
>>>
>> Yeah, that's just a cleaner way of doing it - I'm sure if you tailed
>> your logs you'd find a 'SHOW TABLES'
>>
>>
> Yeah, depending on the rails environment it probably and caching it
> probably would.
>
English FAIL. I meant to say:
Yeah, depending on the rails environment and caching settings it probably would.
>>> ActiveRecord::Base.connection.execute("TRUNCATE TABLE #{table_name};")
>>>
>> Seems like you might also want to add a truncate_table method onto
>> ActiveRecord::Base.
>>
>
> Yeah, I tend to ussually add this to my projects as well:
>
> class ActiveRecord::Base
>
> class << self
>
> def truncate
> self.connection.execute("TRUNCATE TABLE #{table_name};")
> end
>
> end
>
> end
>
>>> end
>>>
>>>
>>> Also, to address Pat's statement about FKs... if ordering the truncates
>>> is too cumbersome you could just turn off the FK checks:
>>>
>>> ActiveRecord::Base.connection.execute("SET FOREIGN_KEY_CHECKS = 0;")
>>> (ActiveRecord::Base.connection.tables - %w{schema_migrations}).each do
>>> |table_name|
>>> ActiveRecord::Base.connection.execute("TRUNCATE TABLE #{table_name};")
>>> end
>>> ActiveRecord::Base.connection.execute("SET FOREIGN_KEY_CHECKS = 1;")
>>>
>>>
>> Nice.
>>
>> Scott
>>
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