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| author | Santiago Pastorino <santiago@wyeworks.com> | 2010-12-16 20:10:30 -0200 |
|---|---|---|
| committer | Santiago Pastorino <santiago@wyeworks.com> | 2010-12-16 20:58:58 -0200 |
| commit | 3b9120fa52b76fb8591fe1d0db85d1a940e867d0 (patch) | |
| tree | 9f7a66f9bd99a31a5b69f2c06b2ff0231d02b4b0 /railties/guides/source | |
| parent | f176b2552ecc06634dae53b82a4562d8e80aeed6 (diff) | |
| download | rails-3b9120fa52b76fb8591fe1d0db85d1a940e867d0.tar.gz rails-3b9120fa52b76fb8591fe1d0db85d1a940e867d0.tar.bz2 rails-3b9120fa52b76fb8591fe1d0db85d1a940e867d0.zip | |
Generate add_index by default when giving type belongs_to or references
Diffstat (limited to 'railties/guides/source')
| -rw-r--r-- | railties/guides/source/getting_started.textile | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/railties/guides/source/getting_started.textile b/railties/guides/source/getting_started.textile index 902b7353c0..e371632d87 100644 --- a/railties/guides/source/getting_started.textile +++ b/railties/guides/source/getting_started.textile @@ -811,6 +811,8 @@ class CreateComments < ActiveRecord::Migration t.timestamps end + + add_index :comments, :post_id end def self.down @@ -819,7 +821,7 @@ class CreateComments < ActiveRecord::Migration end </ruby> -The +t.references+ line sets up a foreign key column for the association between the two models. Go ahead and run the migration: +The +t.references+ line sets up a foreign key column for the association between the two models. And the +add_index+ line sets up an index for this association column. Go ahead and run the migration: <shell> $ rake db:migrate |