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| author | Olli Huotari <olli.huotari@iki.fi> | 2012-08-20 11:17:26 +0300 |
|---|---|---|
| committer | Olli Huotari <olli.huotari@iki.fi> | 2012-08-20 11:17:26 +0300 |
| commit | 8cb9460437eddde6952fbebbc969203cd4d00294 (patch) | |
| tree | 27ffd0fa92d29f9620f6bc0401728c45d49df9b2 /guides | |
| parent | 7c584256d1d74a72bc9eed9db5aee71e27006515 (diff) | |
| download | rails-8cb9460437eddde6952fbebbc969203cd4d00294.tar.gz rails-8cb9460437eddde6952fbebbc969203cd4d00294.tar.bz2 rails-8cb9460437eddde6952fbebbc969203cd4d00294.zip | |
association_basics, updated how inverse_of works
Fixed bug in the example code. A bit related to rails issue in
https://github.com/rails/rails/issues/3223
Diffstat (limited to 'guides')
| -rw-r--r-- | guides/source/association_basics.textile | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/guides/source/association_basics.textile b/guides/source/association_basics.textile index d4c0a1ba74..f6b1a0ef7a 100644 --- a/guides/source/association_basics.textile +++ b/guides/source/association_basics.textile @@ -520,7 +520,7 @@ By default, Active Record doesn't know about the connection between these associ <ruby> c = Customer.first -o = c.orders.first +o = c.orders[0] c.first_name == o.customer.first_name # => true c.first_name = 'Manny' c.first_name == o.customer.first_name # => false @@ -542,7 +542,7 @@ With these changes, Active Record will only load one copy of the customer object <ruby> c = Customer.first -o = c.orders.first +o = c.orders[0] c.first_name == o.customer.first_name # => true c.first_name = 'Manny' c.first_name == o.customer.first_name # => true @@ -550,6 +550,7 @@ c.first_name == o.customer.first_name # => true There are a few limitations to +inverse_of+ support: +* They do not work with methods that invoke new query. E.g. using c.orders.first instead of c.orders[0] in the code above * They do not work with <tt>:through</tt> associations. * They do not work with <tt>:polymorphic</tt> associations. * They do not work with <tt>:as</tt> associations. |