19 lines
558 B
Ruby
19 lines
558 B
Ruby
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# frozen_string_literal: true
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class CopyUserUploadsToUploadReferences < ActiveRecord::Migration[6.1]
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def up
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execute <<~SQL
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INSERT INTO upload_references(upload_id, target_type, target_id, created_at, updated_at)
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SELECT users.uploaded_avatar_id, 'User', users.id, uploads.created_at, uploads.updated_at
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FROM users
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JOIN uploads ON uploads.id = users.uploaded_avatar_id
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WHERE users.uploaded_avatar_id IS NOT NULL
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ON CONFLICT DO NOTHING
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SQL
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end
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def down
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raise ActiveRecord::IrreversibleMigration
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end
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end
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