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# frozen_string_literal: true
class RemoveComplianceFrameworksGroupIdFk < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
INDEX_NAME = 'index_compliance_management_frameworks_on_group_id_and_name'
class TmpComplianceFramework < ActiveRecord::Base
self.table_name = 'compliance_management_frameworks'
include EachBatch
end
disable_ddl_transaction!
def up
TmpComplianceFramework.each_batch(of: 100) do |query|
query.update_all('namespace_id = group_id') # Copy data in case we rolled back before...
end
change_column_null(:compliance_management_frameworks, :group_id, true)
remove_foreign_key_if_exists(:compliance_management_frameworks, :namespaces, column: :group_id)
remove_concurrent_index_by_name(:compliance_management_frameworks, INDEX_NAME)
end
def down
# This is just to make the rollback possible
TmpComplianceFramework.each_batch(of: 100) do |query|
query.update_all('group_id = namespace_id') # The group_id column is not in used at all
end
change_column_null(:compliance_management_frameworks, :group_id, false)
add_concurrent_foreign_key(:compliance_management_frameworks, :namespaces, column: :group_id, on_delete: :cascade)
add_concurrent_index(:compliance_management_frameworks, [:group_id, :name], unique: true, name: INDEX_NAME)
end
end
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