Coldfusion - 尝试 cfloop 查询时出现复杂对象错误。版本差异?

Coldfusion - Complex object error when trying to cfloop over query. Version discrepancy?

前言:我们有一些工作应用程序需要转移到新服务器上,因为我们要淘汰旧服务器,因此我不得不安装一个新的 CF 实例。

此应用程序在旧服务器上运行良好,即 运行 ColdFusion 版本“9,0,0,251028”标准版(通过 ColdFusion Administrator)。

在较新的服务器上,我使用的是 CF 2016 版本 2016.0.0.298074 开发人员版(这是 google 搜索中出现的第一件事,所以我使用了它)。

现在的问题是:有一段代码给出了一个错误:

Complex object types cannot be converted to simple values.

The expression has requested a variable or an intermediate expression result as a simple value. However, the result cannot be converted to a simple value. Simple values are strings, numbers, boolean values, and date/time values. Queries, arrays, and COM objects are examples of complex values. The most likely cause of the error is that you tried to use a complex value as a simple one. For example, you tried to use a query variable in a cfif tag.

The error occurred in G:/Gumbo/components/modules/resource/ResourceAdmin.cfc: line 282 Called from G:/Gumbo/admin/modules/resource/action.cfm: line 34 Called from G:/Gumbo/admin/action.cfm: line 19

281 cfloop query="getseq">
282 <cfif getseq.resourceCategoryID IS temp><cfset newseq = getseq.displaySeq ><cfbreak></cfif>
283 </cfloop>

违规行是282。有问题的代码:

<cfloop query="getseq">
      <cfif getseq.resourceCategoryID IS temp><cfset newseq = getseq.displaySeq ><cfbreak></cfif>
</cfloop>

根据我的研究,我注意到 cfloop 显然不适用于某些版本的 ColdFusion 上的查询参数,但我不明白的是为什么较新的版本会导致我出现此错误。

所以我的问题是:

  1. 有没有办法以某种方式重新获得这个旧版本的 CF?请记住,我的旧计算机上有 CF9 源文件夹,但我不确定是否有办法获取源文件并将它们移动或手动安装它或它的来龙去脉。是否可以像将旧源文件复制到新服务器上的新 CF 源一样简单?

  2. 更改上述代码的简单替代方法是什么?我完全不熟悉 CF,因为这是我在接受这份工作时继承的一个较旧的项目。我更愿意在较新的系统上获得准确的版本,但更改代码是唯一可行的选择。

如有任何见解,我们将不胜感激。

编辑:

下面是整个有问题的函数:

<cffunction name="updateResource" access="public" output="false" displayname="Update a Resource">       
    <cfset VARIABLES.dateUpdated=DateAdd("d", 0, arguments.dateUpdated)>    

    <cfquery datasource="#this.datasource#">
      update md_rlm_resource
      set published=<cfqueryparam cfsqltype="cf_sql_tinyint" value="#arguments.published#">,
          resourceName=<cfqueryparam cfsqltype="cf_sql_varchar" value="#arguments.resourceName#">,
          resourceNumber=<cfqueryparam cfsqltype="cf_sql_varchar" value="#arguments.resourceNumber#">,
          resourceAuthor=<cfqueryparam cfsqltype="cf_sql_varchar" value="#arguments.resourceAuthor#">,
          resourceFile=<cfqueryparam cfsqltype="cf_sql_varchar" value="#arguments.resourceFile#">,
          dateUpdated=<cfqueryparam cfsqltype="cf_sql_timestamp" value="#VARIABLES.dateUpdated#">,
          shortDescription=<cfqueryparam cfsqltype="cf_sql_longvarchar" value="#arguments.shortDescription#">
      where resourceID=<cfqueryparam value="#arguments.resourceID#" cfsqltype="cf_sql_integer">
    </cfquery>    

    <cfquery name="getseq" datasource="#this.datasource#">
      select displaySeq, resourceCategoryID
      from md_rlm_resourcecategoryrel
      where resourceID=<cfqueryparam value="#arguments.resourceID#" cfsqltype="cf_sql_integer">   
    </cfquery>

    <cfquery datasource="#this.datasource#">
      delete from md_rlm_resourcecategoryrel
      where resourceID=<cfqueryparam value="#arguments.resourceID#" cfsqltype="cf_sql_integer">
    </cfquery>

    <cfif IsDefined("arguments.resourceCategoryIDs")>
      <cfset resourceCategoryID = ArrayNew(1)>
      <cfset resourceCategoryID = ListToArray(arguments.resourceCategoryIDs)>

      <cfif #ListLen(arguments.resourceCategoryIDs)# gt 1>
        <cfset tmp1 = #ArrayLen(resourceCategoryID)#>
        <cfelse>
        <cfset tmp1 = "1">
      </cfif>

      <cfloop INDEX="idx" FROM="1" TO="#tmp1#">     
        <cfset newseq = 1>

        <cfif #tmp1# gt 1>
           <cfset temp=resourceCategoryID[idx]>
        <cfelse>
           <cfset temp=resourceCategoryID>        
        </cfif>

        <cfloop query="getseq">
          <cfif getseq.resourceCategoryID IS temp><cfset newseq = getseq.displaySeq ><cfbreak></cfif>
        </cfloop>

        <cfquery datasource="#this.datasource#">
          insert into md_rlm_resourcecategoryrel
             (resourceCategoryID, resourceID, displaySeq)
          values
            (
            <cfif #tmp1# gt 1>
            <cfqueryparam CFSQLTYPE="cf_sql_integer" VALUE="#resourceCategoryID[idx]#">,
            <cfelse>
            <cfqueryparam CFSQLTYPE="cf_sql_integer" VALUE="#resourceCategoryID#">,
            </cfif>       
             <cfqueryparam cfsqltype="cf_sql_integer" value="#arguments.resourceID#">,
             <cfqueryparam cfsqltype="cf_sql_float" value="#newseq#">)
        </cfquery>
      </cfloop>   
    </cfif> 

    <cfquery datasource="#this.datasource#">
    DELETE FROM md_rlm_resourceregionrel 
    WHERE resourceID=<cfqueryparam value="#arguments.resourceid#" cfsqltype="cf_sql_integer">
    </cfquery>

    <cfloop index="regionele" list="#arguments.regionID#" delimiters=",">
        <cfquery datasource="#this.datasource#">
        INSERT INTO md_rlm_resourceregionrel (resourceID, regionID) 
        VALUES (<cfqueryparam value="#arguments.resourceid#" cfsqltype="cf_sql_integer">, #regionele#)
        </cfquery>
    </cfloop>
</cffunction>

来自这里:

<cfset resourceCategoryID = ListToArray(arguments.resourceCategoryIDs)>
...
<cfif #tmp1# gt 1>
    <cfset temp=resourceCategoryID[idx]>
<cfelse>
    <cfset temp=resourceCategoryID><!--- temp is now an array --->        
</cfif>

temp(糟糕的变量名,顺便说一句)可能是一个数组。

然后你这样做:

<cfif getseq.resourceCategoryID IS temp>

您不能使用 IS 运算符比较数组:IS 比较简单值。这就是您看到错误的原因。

顺便说一句,您没有 var-ing 该代码中的任何变量,这是相当糟糕的形式,并且有可能在您的代码中 "unexpected behaviour"。