discourse/db/migrate/20120809174649_create_post_...

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# frozen_string_literal: true
class CreatePostActions < ActiveRecord::Migration[4.2]
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def up
create_table :post_actions do |t|
t.integer :post_id, null: false
t.integer :user_id, null: false
t.integer :post_action_type_id, null: false
t.datetime :deleted_at
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t.timestamps null: false
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end
add_index :post_actions, ["post_id"]
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# no support for this till rails 4
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execute 'create unique index idx_unique_actions on
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post_actions(user_id, post_action_type_id, post_id) where deleted_at is null'
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end
def down
drop_table :post_actions
end
end