Merge pull request #19159 from stephenminded/docs_fix_polymorphic_index

[docs fix] Composite index is actually [:imageable_type, :imageable_id]
2015-03-01 23:01:15 -05:00 · 2015-03-01 23:01:15 -05:00 · 485e125668
commit 485e125668
parent 61d12ebb10 ec85f9da29
1 changed files with 1 additions and 1 deletions
--- a/guides/source/association_basics.md
+++ b/guides/source/association_basics.md
@ -460,7 +460,7 @@ class CreatePictures < ActiveRecord::Migration
      t.timestamps null: false
    end

-    add_index :pictures, [:imageable_id, :imageable_type]
+    add_index :pictures, [:imageable_type, :imageable_id]
  end
 end
 ```