/Ruby/Rails on_delete cascade not working

Rails on_delete cascade not working

// dont do a foreing_key, instead use t.references
class CreateDocumentImages < ActiveRecord::Migration[5.1]
  def change
    create_table :document_images do |t|
      t.references :document, foreign_key: { on_delete: :cascade }
      t.references :image, foreign_key: { on_delete: :cascade}
      t.timestamps
    end
  end
end

Similar codes

0 vote186 views1 answer
Preview mailers rails
Ruby
3 votes209 views2 answers
How to check ruby version
Ruby
10 votes378 views1 answer
Rails validators
Ruby
1 vote200 views1 answer
How to format date and time in rails
Ruby
0 vote178 views1 answer
Devise manually sign out user
Ruby
0 vote193 views1 answer
Rails check routes in console
Ruby
3 votes208 views3 answers
Rails uniqueness
Ruby
0 vote188 views5 answers
Roblox.com redeem robux codes
Ruby
0 vote188 views1 answer
Rails g migration remove default
Ruby
0 vote161 views2 answers
Can't open rails console why
Ruby