select .. group by

LJianK12026-01-25 9:41

sql 复制代码

<select id="selectLostTable" resultType="java.lang.Long">
    SELECT COUNT(0)
    FROM (
        SELECT trade_type,
               store_code,
               material_code,
               ANY_VALUE(store_name)        AS store_name,
               ANY_VALUE(material_name)     AS material_name,
               SUM(sub_quantity)            AS sub_quantity,
               ANY_VALUE(sub_unit)          AS sub_unit,
               SUM(main_quantity)           AS main_quantity,
               ANY_VALUE(main_unit)         AS main_unit,
               ANY_VALUE(materiel_classify) AS materiel_classify,
               ANY_VALUE(specification)     AS specification,
               ANY_VALUE(production_date)   AS production_date,
               ANY_VALUE(warranty_day)      AS warranty_day,
               ANY_VALUE(warranty_date)     AS warranty_date,
               ANY_VALUE(purchase_sale_save) AS purchase_sale_save,
               ANY_VALUE(order_date)        AS order_date
        FROM wms_store_ledger
        WHERE trade_type IN ('product_in_store', 'get_material')
          AND materiel_classify != 'P'
        GROUP BY trade_type, store_code, material_code
    ) AS tmp_count
</select>

group by 分组的sql，select的字段，必须遵守"选分组列或聚合"规则。

要获取其他行数据，如果是分组后，该列数据肯定一致，或无所谓取哪个，可以用 ANY_VALUE() 告诉数据库"随便拿一个"。