From f6fa6cf6117e691899c821b8999bd7dfb3f48b38 Mon Sep 17 00:00:00 2001 From: Neeraj Singh Date: Thu, 8 Jul 2010 10:09:20 -0400 Subject: clarifying how to create non standard primary key --- .../connection_adapters/abstract/schema_statements.rb | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'activerecord/lib') diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb index 76b65bf219..555a611e68 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb @@ -106,7 +106,13 @@ module ActiveRecord # Join tables for +has_and_belongs_to_many+ should set :id => false. # [:primary_key] # The name of the primary key, if one is to be added automatically. - # Defaults to +id+. + # Defaults to +id+. You must NOT pass :id => false otherwise :primary_key option + # will have no effect. + # + # Also note that this just sets the primary_key in the table. You still need to + # add :set_primary_key => '' in the model to tell model what column is the + # primary_key. Models do NOT auto-detect the primary_key from table defintion. + # # [:options] # Any extra options you want appended to the table definition. # [:temporary] -- cgit v1.2.3