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Optimise finding of relations, partially reversing change #8443 but in

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a more rails like way.
This commit is contained in:
Tom Hughes 2008-07-16 23:42:59 +00:00
parent 66b0dd135e
commit d6e047d7d4
3 changed files with 23 additions and 5 deletions
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18
app/models/relation.rb
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@ -105,6 +105,24 @@ class Relation < ActiveRecord::Base
return el1
end
def self.find_for_nodes(ids, options = {})
self.with_scope(:find => { :joins => "INNER JOIN current_relation_members ON current_relation_members.id = current_relations.id", :conditions => "current_relation_members.member_type = 'node' AND current_relation_members.member_id IN (#{ids.join(',')})" }) do
return self.find(:all, options)
end
end
def self.find_for_ways(ids, options = {})
self.with_scope(:find => { :joins => "INNER JOIN current_relation_members ON current_relation_members.id = current_relations.id", :conditions => "current_relation_members.member_type = 'way' AND current_relation_members.member_id IN (#{ids.join(',')})" }) do
return self.find(:all, options)
end
end
def self.find_for_relations(ids, options = {})
self.with_scope(:find => { :joins => "INNER JOIN current_relation_members ON current_relation_members.id = current_relations.id", :conditions => "current_relation_members.member_type = 'relation' AND current_relation_members.member_id IN (#{ids.join(',')})" }) do
return self.find(:all, options)
end
end
# FIXME is this really needed?
def members
unless @members