discourse/db/migrate/20121224095139_create_draft_sequence.rb

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class CreateDraftSequence < ActiveRecord::Migration[4.2]
2013-02-06 03:16:51 +08:00
def change
create_table :draft_sequences do |t|
t.integer :user_id, null: false
t.string :draft_key, null: false
t.integer :sequence, null: false
end
add_index :draft_sequences, [:user_id, :draft_key], unique: true
end
end