return false
end
- way_ids = Array.new
- ways = Array.new
- nodes = Array.new
- relations = Array.new
-
# Matching for node tags table
- cond_node = Array.new
- sql = '1=1'
- if type
- sql += ' AND current_node_tags.k=?'
- cond_node += [type]
- end
- if value
- sql += ' AND current_node_tags.v=?'
- cond_node += [value]
+ if do_nodes
+ nodes = Node.joins(:node_tags)
+ nodes = nodes.where(:current_node_tags => { :k => type }) if type
+ nodes = nodes.where(:current_node_tags => { :v => value }) if value
+ nodes = nodes.limit(100)
end
- cond_node = [sql] + cond_node
# Matching for way tags table
- cond_way = Array.new
- sql = '1=1'
- if type
- sql += ' AND current_way_tags.k=?'
- cond_way += [type]
- end
- if value
- sql += ' AND current_way_tags.v=?'
- cond_way += [value]
+ if do_ways
+ ways = Way.joins(:way_tags)
+ ways = ways.where(:current_way_tags => { :k => type }) if type
+ ways = ways.where(:current_way_tags => { :v => value }) if value
+ ways = ways.limit(100)
end
- cond_way = [sql] + cond_way
# Matching for relation tags table
- cond_rel = Array.new
- sql = '1=1'
- if type
- sql += ' AND current_relation_tags.k=?'
- cond_rel += [type]
- end
- if value
- sql += ' AND current_relation_tags.v=?'
- cond_rel += [value]
- end
- cond_rel = [sql] + cond_rel
-
- # First up, look for the relations we want
if do_relations
- relations = Relation.find(:all,
- :joins => "INNER JOIN current_relation_tags ON current_relation_tags.id = current_relations.id",
- :conditions => cond_rel, :limit => 100)
- end
-
- # then ways
- if do_ways
- ways = Way.find(:all,
- :joins => "INNER JOIN current_way_tags ON current_way_tags.id = current_ways.id",
- :conditions => cond_way, :limit => 100)
- end
-
- # Now, nodes
- if do_nodes
- nodes = Node.find(:all,
- :joins => "INNER JOIN current_node_tags ON current_node_tags.id = current_nodes.id",
- :conditions => cond_node, :limit => 2000)
+ relations = Relation.joins(:relation_tags)
+ relations = relations.where(:current_relation_tags => { :k => type }) if type
+ relations = relations.where(:current_relation_tags => { :v => value }) if value
+ relations = relations.limit(2000)
end
# Fetch any node needed for our ways (only have matching nodes so far)
ways.each do |way|
doc.root << way.to_xml_node(visible_nodes, changeset_cache, user_display_name_cache)
- end
+ end
relations.each do |rel|
- doc.root << rel.to_xml_node(changeset_cache, user_display_name_cache)
- end
+ doc.root << rel.to_xml_node(nil, changeset_cache, user_display_name_cache)
+ end
+
render :text => doc.to_s, :content_type => "text/xml"
end
end