删除重复数据，保留id最小的1条数据

 

删除重复数据，保留id最小的1条数据

DELETE from drug_repository  where `base_gtin` in (
    SELECT e.`base_gtin` from (
    SELECT `base_gtin` from drug_repository GROUP BY `base_gtin` HAVING COUNT(*) > 1 ) e 
) and id not in (
      SELECT f.id FROM (
         select MIN(id) as id FROM drug_repository GROUP BY `base_gtin` HAVING COUNT(*) > 1 ) f
  );