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-rw-r--r--guides/source/active_record_postgresql.md2
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diff --git a/guides/source/active_record_postgresql.md b/guides/source/active_record_postgresql.md
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@@ -252,7 +252,7 @@ extension to use uuid.
```ruby
# db/migrate/20131220144913_create_revisions.rb
create_table :revisions do |t|
- t.column :identifier, :uuid
+ t.uuid :identifier
end
# app/models/revision.rb