The models: class Search < ActiveRecord::Base has_and_belongs_to_many :dcresults
class Dcresult < ActiveRecord::Base has_and_belongs_to_many :searches
The code:
@links = Array.new @titles = Array.new
#build search results in the arrays .....
#results built
@titles.each_index do |index| if !Dcresult.exists?(:title => @titles[index], :link=> @links[index]) search.dcresults.build(:title => @titles[index], :link => @links[index]) else @dcresult = Dcresult.find (:first, :conditions => [ "link = ?", @links[index]]) #@dcresult = Dcresult. search.dcresults<<@dcresult end
Abstract: I build the results in two arays. Then i loop the arrays and check if a certain result already exists. If the result already exists I don't want to build a new result. I want to associate the already existing result to the new search.
Error: Mysql::Error: #23000Column 'dcresult_id' cannot be null: INSERT INTO dcresults_searches (`search_id`, `dcresult_id`) VALUES (204, NULL)
SQL TABLES: CREATE TABLE `wozzhotdb`.`searches` ( `id` int(11) NOT NULL auto_increment, `query` varchar(1048) default NULL, `timestamp` timestamp NOT NULL default CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP, PRIMARY KEY (`id`) ) ENGINE=MyISAM AUTO_INCREMENT=205 DEFAULT CHARSET=latin1
CREATE TABLE `wozzhotdb`.`dcresults` ( `ID` int(11) NOT NULL auto_increment, `title` varchar(1024) default NULL, `link` varchar(1024) default NULL, PRIMARY KEY (`ID`) ) ENGINE=MyISAM AUTO_INCREMENT=2574 DEFAULT CHARSET=latin1
CREATE TABLE `wozzhotdb`.`dcresults_searches` ( `search_id` int(11) NOT NULL, `dcresult_id` int(11) NOT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1
Thanks for your help in advance!
