discourse/db/migrate/20220526203356_copy_user_up...

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