28 lines
712 B
Ruby
28 lines
712 B
Ruby
# frozen_string_literal: true
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class CreatePostRevisions < ActiveRecord::Migration[4.2]
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def up
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create_table :post_revisions do |t|
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t.belongs_to :user
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t.belongs_to :post
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t.text :modifications
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t.integer :number
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t.timestamps null: false
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end
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execute "INSERT INTO post_revisions (user_id, post_id, modifications, number, created_at, updated_at)
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SELECT user_id, versioned_id, modifications, number, created_at, updated_at
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FROM versions
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WHERE versioned_type = 'Post'"
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change_table :post_revisions do |t|
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t.index :post_id
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t.index %i[post_id number]
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end
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end
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def down
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drop_table :post_revisions
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end
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end
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