On Thursday, October 24, 2013 2:20:40 AM UTC-7, Sean West wrote:
> I am using Sequel to access the database for an API server. I am using
> Sequel 4.3.0 with a PostgreSQL 9.1 database.
>
> Through the API, foreign keys on tables may be updated. It seems that
> Sequel does not automatically reload the association cache when the foreign
> key is updated and I'm curious if there is any way to do this.
>
> For example:
>
> irb(main):003:0> r = Roster.first :id => 153
>> => #<Roster @values={:id=>153, :player_id=>44}>
>> irb(main):004:0> r.player
>> => #<Player @values={:id=>44}>
>> irb(main):005:0> r.player_id = 46
>> => 46
>> irb(main):007:0> r.player
>> => #<Player @values={:id=>44}>
>
>
> Saving the record doesn't seem to force the association cache to clear
> either.
>
> It is not until I either call r.player(true) or delete the association:
>
> irb(main):012:0> r.associations.delete :player
>
>
> that the association is reloaded.
>
> Is there any feature built into the library to automatically accomplish
> this? or a plugin? I saw something in the association docs which *appears*
> to hint at such a feature, but I couldn't see any other details on it:
>
> autoreloading_associations [R]
>>
>> Hash <http://sequel.rubyforge.org/rdoc/classes/Hash.html> with column
>> symbol keys and arrays of
>> #many_to_one<http://sequel.rubyforge.org/rdoc/classes/Sequel/Model/Associations/ClassMethods.html#method-i-many_to_one>association
>> symbols that should be cleared when the column value changes.
>
>
> I'd like this to apply across all of my models.
>
> Thanks for the awesome library!
>
Sequel should do this by default starting in version 4.0. Before 4.0, you
could use the association_autoreloading plugin to accomplish the same
thing. If this isn't working for you, please post a small, self-contained,
single file example that shows the problem. You may also want to post the
output of:
p Roster.autoreloading_associations
Thanks,
Jeremy
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