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13 lines
348 B
Ruby
13 lines
348 B
Ruby
class AddSelfEditsToPosts < ActiveRecord::Migration[4.2]
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def up
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add_column :posts, :self_edits, :integer, null: false, default: 0
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execute "
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UPDATE posts p SET self_edits = (SELECT COUNT(*) FROM post_revisions pr WHERE pr.post_id = p.id AND pr.user_id=p.user_id)
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"
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end
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def down
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remove_column :posts, :self_edits
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end
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end
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