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# frozen_string_literal: true
class DropFkInCiRef < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
def up
with_lock_retries do
remove_foreign_key_if_exists :ci_refs, column: :project_id
end
with_lock_retries do
remove_foreign_key_if_exists :ci_refs, column: :last_updated_by_pipeline_id
end
end
def down
add_foreign_key_if_not_exists :ci_refs, :projects, column: :project_id, on_delete: :cascade
add_foreign_key_if_not_exists :ci_refs, :ci_pipelines, column: :last_updated_by_pipeline_id, on_delete: :nullify
end
private
def add_foreign_key_if_not_exists(source, target, column:, on_delete:)
return unless table_exists?(source)
return if foreign_key_exists?(source, target, column: column)
add_concurrent_foreign_key(source, target, column: column, on_delete: on_delete)
end
end
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