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# frozen_string_literal: true
class AddIdColumnToPackageMetadataJoinTable < Gitlab::Database::Migration[2.1]
disable_ddl_transaction!
COMPOSITE_UNIQUE_INDEX = :i_pm_package_version_licenses_join_ids
def up
drop_constraint(:pm_package_version_licenses, :pm_package_version_licenses_pkey, cascade: true)
add_column(:pm_package_version_licenses, :id, :primary_key)
add_concurrent_index(:pm_package_version_licenses, [:pm_package_version_id, :pm_license_id], unique: true,
name: COMPOSITE_UNIQUE_INDEX)
end
def down
remove_column(:pm_package_version_licenses, :id)
add_primary_key_using_index(:pm_package_version_licenses, :pm_package_version_licenses_pkey, COMPOSITE_UNIQUE_INDEX)
remove_concurrent_index_by_name(:pm_package_version_licenses, COMPOSITE_UNIQUE_INDEX)
end
end
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