Strange indexing issues with CachedModel, STI, and AAF

I started using robotcoop’s CachedModel class in my project but have
encountered problems when using it with the acts_as_ferret plugin. It
seems it doesn’t index everything in my STI model, also if I do a search
from my base STI class I get a result count but no results. If I run the
same search from one of the children STI models I get the appropriate
results (if the information was indexed).

Here’s my setup:

class Record < CachedModel
acts_as_nested_set
acts_as_ferret( :fields => {
:lft { :index => :untokenized_omit_norms },
:name => {},
:desc => {},
:body => {:strore => :yes},
:role => {},
})

def self.inheritance_column
‘role’
end

methods below …

end

class FirstRecord < Record
end

class SecondRecord < Record
end

class ApplicationController < ActionController::Base
after_filter { CachedModel.cache_reset }
end

Here’s my CachedModel setup:

  • config/environment.rb:

Include your application configuration below

require ‘cached_model’
CachedModel.use_local_cache = true

  • config/environments/development.rb (last line)
    CACHE = MemCache.new ‘localhost:11211’, :namespace => ‘ohio_development’

  • config/environments/production.rb (last line)
    CACHE = MemCache.new ‘localhost:11211’, :namespace => ‘ohio_production’

As far as I can tell I’ve set both up properly. Also I get the same
problems when running in production mode.

This is on a FreeBSD 6.1 server, with memcached-1.1.12_3, mysql 5.0.26,
and rails 1.1.6.

Any help would be appreciated as I’ve been at this one for 2 days.

Here’s example output I get from irb:

Record.find_by_contents(“search code”)
=> #<FerretMixin::Acts::ARFerret::SearchResults:0x8d9f6e0
@total_hits=212, @reults=[]>

This makes me think it has something to do with the ‘find’ method being
overridden by CachedModel but not sure how to verify that at this point.

Thanks,
Curtis

I solved this problem finally. After investigating Ferret,
Acts_As_Ferret
and CachedModel I finally turned to checking out Rails. It turns out
Rails
1.1.6 does not properly scope queries for STI models if they have an
abstract_class.

This seems to be fixed now (http://dev.rubyonrails.org/ticket/5704).

The problem was that Rails current method did not check to see if the
class’
parent was abstract.

Hope this helps someone else who may try to use STI and CachedModel
together. Now that it works I’m very pleased with the solution. Almost
split
my data into separate tables.

Sorry for the noise,
Curtis

----- Original Message -----
From: [email protected]
To: [email protected]; [email protected]
Sent: Thursday, November 16, 2006 11:45 AM
Subject: [Libraries] Strange indexing issues with CachedModel, STI, and
AAF

I started using robotcoop’s CachedModel class in my project but have
encountered problems when using it with the acts_as_ferret plugin. It
seems
it doesn’t index everything in my STI model, also if I do a search from
my
base STI class I get a result count but no results. If I run the same
search
from one of the children STI models I get the appropriate results (if
the
information was indexed).
:role => {},
end

Include your application configuration below

require ‘cached_model’
CachedModel.use_local_cache = true

  • config/environments/development.rb (last line)
    CACHE = MemCache.new ‘localhost:11211’, :namespace => ‘ohio_development’

  • config/environments/production.rb (last line)
    CACHE = MemCache.new ‘localhost:11211’, :namespace => ‘ohio_production’

As far as I can tell I’ve set both up properly. Also I get the same
problems when running in production mode.

This is on a FreeBSD 6.1 server, with memcached-1.1.12_3, mysql 5.0.26,
and rails 1.1.6.

Any help would be appreciated as I’ve been at this one for 2 days.

Here’s example output I get from irb:

Record.find_by_contents(“search code”)
=> #<FerretMixin::Acts::ARFerret::SearchResults:0x8d9f6e0 @total_hits=212,
@reults=[]>

This makes me think it has something to do with the ‘find’ method being
overridden by CachedModel but not sure how to verify that at this point.

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