diff options
Diffstat (limited to 'activerecord/lib/active_record')
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb | 8 |
1 files changed, 7 insertions, 1 deletions
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 <tt>:id => false</tt>. # [<tt>:primary_key</tt>] # 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. + # # [<tt>:options</tt>] # Any extra options you want appended to the table definition. # [<tt>:temporary</tt>] |