IFを選択(@ IDS = w.contract_id、@ NUM:= @ NUM、@ NUM:= @ NUM + 1)NUM、@ IDとして:= w.contract_id、W * FROM
(GROUP_CONCAT(PROJECT_NAME)を選択(SELECT
、names` `AS contract_id = a.contract_id)production_income_data FROM
(production_income_data FROM GROUP_CONCAT(project_code)を選択し
、codes` `通りであるcontract_id = a.contract_id)。* FROM production_income_data A)w
、(SELECT @num:= 0)、U(@idsを選択します= '')w.contract_id BY m次