22 lines
610 B
Ruby
22 lines
610 B
Ruby
# frozen_string_literal: true
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class AddImageUploadIdToBadges < ActiveRecord::Migration[6.0]
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def change
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add_column :badges, :image_upload_id, :integer
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reversible { |dir| dir.up { DB.exec <<~SQL } }
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UPDATE badges b1
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SET image_upload_id = u.id
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FROM (
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SELECT id, (regexp_matches(b.image, '[a-f0-9]{40}'))[1] as sha1
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FROM badges b
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WHERE
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b.image IS NOT NULL AND
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b.image ~ '[a-f0-9]{40}'
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) b2
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JOIN uploads u ON u.sha1 = b2.sha1
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WHERE
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b1.id = b2.id
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SQL
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end
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end
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