Example of polymorphic association using has_many, through, source.class student has_many :posts, :as => authorendclass teacher has_many :posts, :as => authorendclass post belongs to :author, :polymorphic => trueendclass division has_many :students has_many :student_posts, :through => :students, :source => :postsendruby script/consolediv = Division.firstdiv.student_postsCheers !S@ndip
Month: February 2010
nginx passenger configuration for rails application
#user nobody;user www-data;worker_processes 2;#error_log logs/error.log;#error_log logs/error.log notice;#error_log logs/error.log info;#pid logs/nginx.pid;events { worker_connections 1024;}http { passenger_root /var/lib/gems/1.8/gems/passenger-2.2.8; passenger_ruby /usr/bin/ruby1.8; passenger_max_pool_size 3; include mime.types;default_type application/octet-stream; #log_format main '$remote_addr - $remote_user [$time_local] "$request" ' # '$status $body_bytes_sent "$http_referer" ' # … Continue reading nginx passenger configuration for rails application
ActiveRecord::ReadOnlyRecord while updating object fetched by joins
ActiveRecord find with join options retrieves object as readonly.station = Station.find( :first, :joins => :call, :conditions => ["customer_id = ? and date(insurance_expiry_date) = ?", customer.id, insurance_expiry_date ] )Readonly object cannot modified. station.update_attributes({ :customer_id => 12 })should raise following error.ActiveRecord::ReadOnlyRecordIf you wanted to do write on object then you need to pass following option to find query.:readonly … Continue reading ActiveRecord::ReadOnlyRecord while updating object fetched by joins
Josh Software 