大家好,我已經爲他們的產品和價格表。所有我試圖做的是展現每種產品的最低價格,如果它是不存在的價格表顯示產品,價格空下面是一個查詢我寫其他語句在mysql中不起作用
SELECT
t15_catalogue_line.T15_GROUP, sc_products.product_code,sc_products.unic,
sc_products.name_ru, UPPER(TRIM(sc_products.brief_description_ru)) AS
brief_description_ru, sc_products.suupplier, price.Price,
sc_group_discounts.`action`, sc_group_discounts.procent,
sc_products.productID, price.in_stock, price.supplier, t10_item.T10_ITEM,
t10_item.unic, t10_item.T10_DESC, t10_item.T10_IMG, t10_item.T10_ITEM_GROUP,
t10_item.T10_FIELD1, t10_item.T10_FIELD2, t10_item.T10_FIELD3,
t10_item.T10_FIELD4, t10_item.T10_FIELD5, t10_item.T10_FIELD6,
t10_item.T10_FIELD7, t10_item.T10_FIELD8, t10_item.T10_FIELD9,
t10_item.T10_FIELD10, t10_item.T10_FIELD11, t14_item_fields.T14_ITEM_GROUP,
t14_item_fields.T14_FIELD, t14_item_fields.T14_NAME,
t14_item_fields.T14_UNIT, t14_item_fields.T14_SEARCH
FROM sc_products
LEFT OUTER JOIN t15_catalogue_line ON (sc_products.unic = t15_catalogue_line.unic)
LEFT OUTER JOIN price ON (sc_products.product_code = price.item) AND (sc_products.suupplier = price.postavchik)
LEFT OUTER JOIN sc_group_discounts ON (sc_products.item_group = sc_group_discounts.item_group)
LEFT OUTER JOIN t10_item ON (sc_products.unic = t10_item.unic and sc_products.CatText=t10_item.CatText)
LEFT OUTER JOIN t14_item_fields ON (t10_item.T10_ITEM_GROUP = t14_item_fields.T14_ITEM_GROUP)
WHERE sc_products.CatText = 'bearing'
AND t15_catalogue_line.T15_CARTYPE = '42769'
AND t15_catalogue_line.T15_GROUP = '546678' and sc_products.unic is not null and sc_products. unic!='' and
CASE WHEN price.Price is null then price.Price is null else price.Price=(SELECT
MIN(price.Price) from price where price.unic=sc_products.unic
AND price.CatText='bearing') end
GROUP BY sc_products.unic
ORDER by isnull (price.Price),price.Price ASC
現在,只有那些價格顯示爲空其他語句不起作用。
請格式化查詢 – nbirla