23 lines
697 B
Ruby
23 lines
697 B
Ruby
# frozen_string_literal: true
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class AddForeignKeyToCiPipelinesMergeRequests < ActiveRecord::Migration[4.2]
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include Gitlab::Database::MigrationHelpers
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DOWNTIME = false
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disable_ddl_transaction!
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def up
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add_concurrent_index :ci_pipelines, :merge_request_id, where: 'merge_request_id IS NOT NULL'
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add_concurrent_foreign_key :ci_pipelines, :merge_requests, column: :merge_request_id, on_delete: :cascade
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end
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def down
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if foreign_key_exists?(:ci_pipelines, :merge_requests, column: :merge_request_id)
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remove_foreign_key :ci_pipelines, :merge_requests
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end
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remove_concurrent_index :ci_pipelines, :merge_request_id, where: 'merge_request_id IS NOT NULL'
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end
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end
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