我继承了一个使用PHP脚本访问SQL Server 2012数据库的项目。该应用程序允许用户输入多个参数并根据这些参数发出请求。
我遇到问题的一个字段是允许用户搜索带有一串字母数字字符的SKU的字段。
这是项目使用的查询:
SELECT top 10 IB.LocalSKU
, Cast(Round(IB.GoalMargin, 2) AS Decimal(10,2)) AS GoalMargin
, CASE WHEN IB.MAP = 0 THEN NULL ELSE IB.MAP END AS Min
, IB.ProductCost
, IB.ShippingEstimate
, EB.Price AS CurrentPrice
FROM intra.InventoryBase IB INNER JOIN intra.DropshipChannelAdvisorSKUs CA
ON IB.LocalSKU = CA.LocalSKU
LEFT JOIN intra.eBayQoHFeedback EB
ON CA.ChannelAdvisorSKU = EB.SKU
WHERE LOWER(IB.LocalSKU) LIKE LOWER('$localSKU%')
AND LOWER(SupplierID) LIKE LOWER('%$supplierId%')
AND LOWER(IB.Category) LIKE LOWER('%$category%')
AND LOWER(IB.Dropship) LIKE LOWER('%$dropship%');
我注意到查询返回了正确的信息,但没有按照有用的顺序。
我不确定如何对其进行排序,以使具有最接近匹配$ localSKU变量的SKU的行排在第一位。
我试过这个,但它没有我希望的效果:
ORDER BY Difference(IB.LocalSKU, '$localSKU%') ASC
我也做过一些关于模糊字符串匹配的阅读,但我不知道如何在这里实现它。
是否有一种有效的方法:
预期结果:
参数:
$localSKU = "FMCPL1CY00";
$supplierId = 87;
$category = "Premium Floor Liners";
$dropship = True;
预期结果:
--------------------------------------------------------------------------------
| FMCPL1CY00* | GoalMargin | 0 | ProductCost | ShippingEstimate | CurrentPrice |
| FMCPL1CY01* | GoalMargin | 0 | ProductCost | ShippingEstimate | CurrentPrice |
| FMCPL1CY02* | GoalMargin | 0 | ProductCost | ShippingEstimate | CurrentPrice |
| FMCPL1CY03* | GoalMargin | 0 | ProductCost | ShippingEstimate | CurrentPrice |
--------------------------------------------------------------------------------
实际结果:
-------------------------------------------------------------------------------------
| FMCPL1CH04221509 | GoalMargin | 0 | ProductCost | ShippingEstimate | CurrentPrice |
| FMCPM1SA0021302 | GoalMargin | 0 | ProductCost | ShippingEstimate | CurrentPrice |
| FMCPL1TY07801509 | GoalMargin | 0 | ProductCost | ShippingEstimate | CurrentPrice |
| FMCPL1TY05721502 | GoalMargin | 0 | ProductCost | ShippingEstimate | CurrentPrice |
-------------------------------------------------------------------------------------
答案 0 :(得分:1)
尝试此查询:
SELECT top 10 IB.LocalSKU
, Cast(Round(IB.GoalMargin, 2) AS Decimal(10,2)) AS GoalMargin
, CASE WHEN IB.MAP = 0 THEN NULL ELSE IB.MAP END AS Min
, IB.ProductCost
, IB.ShippingEstimate
, EB.Price AS CurrentPrice
,CASE WHEN IB.LocalSKU LIKE '$localSKU%' THEN 0 else 1 END as MyOrder
FROM intra.InventoryBase IB INNER JOIN intra.DropshipChannelAdvisorSKUs CA
ON IB.LocalSKU = CA.LocalSKU
LEFT JOIN intra.eBayQoHFeedback EB
ON CA.ChannelAdvisorSKU = EB.SKU
WHERE LOWER(IB.LocalSKU) LIKE LOWER('$localSKU%')
AND LOWER(SupplierID) LIKE LOWER('%$supplierId%')
AND LOWER(IB.Category) LIKE LOWER('%$category%')
AND LOWER(IB.Dropship) LIKE LOWER('%$dropship%')
ORDER BY MyOrder ASC;
我希望它有所帮助。