SELECT o.id,o.id as oid,o.id as orderId,o.cid,o.date,o.state,            o.price,o.currency,o.lastChange,o.url AS permalink,o.period,            o.bloggerId,o.bloggerShare,o.offerValidity,o.rebate,o.cid,            o.reason,o.bidReason,o.bidDate,o.bidPeriod,o.rate,            o.lastChange2,o.permalinkDate,o.cancelDate,o.bidValidDate,            o.acceptDate,o.approveDate,o.archived,o.bloggerPrice,            o.customerPrice,o.cancelReason,o.listPrice,o.adFormat,            o.lastPayDate,o.startDate,o.endDate,o.customerBidDate,            o.zoneId,c.campaignStartDate,c.campaignEndDate,            c.type as campaignType,c.test,c.test1,c.special,c.packageId,            c.fixPrice,c.type,c.priceBidding,c.textCreation,o.hiddenField,            o.startDate,p.url as producturlold,p.pressurl,p.companyurl,            p.blogurl,p.mediaurl,p.short,            p.description as productDescription,p.description2,p.image,            c.teaser,c.kind,c.title,mc.country as campaignCountry,            c.minlen,c.productPrice,c.currency as campaignCurrency,            c.productTitle,c.url,c.producturl,c.pressurl,c.companyurl,            c.blogurl,c.mediaurl,c.description,c.image,c.teaser,            c.productReturn,c.testProduct,c.mid as customerId,c.adText,            c.fixAdText,c.requiresBlog,c.bidStop,c.accountingPeriod,            c.actionCodeType,c.actionCodesDescription,ac.code,            ac2.code as massCode,b.title as blogtitle,b.url as bloggerurl,            b.pis as pis,b.uniqueVisitors as uvs,b.pisCounter as pisCounter,            b.uvsCounter为uvsCounter,b.aPI为aPI,b.aUV为aUV,            b.id作为blogId,p.title作为productTitleOld,            b.lastChange为blogLastChange,b.trRank,r1.rate为orderRate,            r2.Rate as memberRate,b.reviews     从费率r1,费率r2,订单o     左边加入博客b(o.blogId = b.id)     左连接代码ac(ac.orderId = o.id),活动c     左连接产品p(c.productId = p.id)     左连接码ac2 on(ac2.campaignId = c.id and                              c.actionCodeType = 2),      人mc     其中o.cid = c.id     和mc.mid = c.mid     和o.id ='223704'     和o.state <!> lt; <!> gt; 0     和r1.currency = o.currency     和r2.currency ='EUR'     和r1.date = FROM_UNIXTIME(o.date,'%Y-%m-%d')     和r2.date = r1.date

我想测试memberRate和orderRate是否为Null它应该继续我该怎么做?有什么想法吗?

有帮助吗?

解决方案

最后解决这个问题应该是诀窍:

--Within the WHERE clause  
AND r2.Rate IS NOT NULL 
AND r1.Rate IS NOT NULL

其他提示

我不确定我理解你的要求,但是在你的查询结尾添加and memberRate is not null and orderRate is not null,你将跳过所有结果,其中这两个字段都是空的。

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