20 lines
435 B
Ruby
20 lines
435 B
Ruby
# frozen_string_literal: true
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class AddForeignKeyToExperimentSubjectsOnUser < ActiveRecord::Migration[6.0]
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include Gitlab::Database::MigrationHelpers
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disable_ddl_transaction!
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DOWNTIME = false
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def up
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add_concurrent_foreign_key :experiment_subjects, :users, column: :user_id, on_delete: :cascade
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end
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def down
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with_lock_retries do
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remove_foreign_key :experiment_subjects, column: :user_id
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end
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end
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end
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