From 695ec8e2799a2c91f93a6fb58d713137a61aa0d2 Mon Sep 17 00:00:00 2001 From: Carlos Antonio da Silva Date: Sat, 28 Jan 2012 18:21:22 -0200 Subject: Improve active record associations guide a bit * Use right example for has_many :find method; * Reword has_many :counter_sql doc notes. --- railties/guides/source/association_basics.textile | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'railties/guides/source') diff --git a/railties/guides/source/association_basics.textile b/railties/guides/source/association_basics.textile index 451653655f..1b443e09a8 100644 --- a/railties/guides/source/association_basics.textile +++ b/railties/guides/source/association_basics.textile @@ -1120,7 +1120,7 @@ h6(#has_many-collection-find). collection.find(...) The collection.find method finds objects within the collection. It uses the same syntax and options as +ActiveRecord::Base.find+. -@open_orders = @customer.orders.where(:open => 1) +@open_orders = @customer.orders.find(1) h6(#has_many-collection-where). collection.where(...) @@ -1242,7 +1242,7 @@ h6(#has_many-counter_sql). +:counter_sql+ Normally Rails automatically generates the proper SQL to count the association members. With the +:counter_sql+ option, you can specify a complete SQL statement to count them yourself. -NOTE: If you specify +:finder_sql+ but not +:counter_sql+, then the counter SQL will be generated by substituting +SELECT COUNT(*) FROM+ for the +SELECT ... FROM+ clause of your +:finder_sql+ statement. +NOTE: If you specify +:finder_sql+ but not +:counter_sql+, then the counter SQL will be generated by substituting the +SELECT ... FROM+ clause of your +:finder_sql+ statement by +SELECT COUNT(*) FROM+. h6(#has_many-dependent). +:dependent+ -- cgit v1.2.3