Posted almost 10 years ago. Visible to the public. Repeats. Linked content.

Add indexes on foreign keys when you create a migration (with foreign key)

Whenever you make a migration to add a foreign key, you should also add an index for it

def self.up add_column :comments, :user_id, :integer add_index :comments, :user_id end

Owner of this card:

Dragos Miron
Last edit:
over 4 years ago
foreign, index, key, migrate, migration
Posted by Dragos Miron to HouseTrip Deck
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