Remove any empty grouping tags from the Current Params

scrubEmptyParamRelationships

  <!--- start: scrub empty param relationships --->
  <cffunction name="scrubEmptyParamRelationships" output="false" returntype="query">
    <cfargument name="query" required="true">

    <cfset local.openList = "" />
    <cfset local.closeList = "" />
    <cfset local.removeList = "" />

    <cfloop query="arguments.query">
      <cfif relationship eq "andOpenGrouping">
        <cfset local.openList = listAppend(local.openList,param) />
      <cfelseif relationship eq "closeGrouping">
        <cfset local.closeList = listAppend(local.closeList,param) />
      </cfif>
    </cfloop>

    <cfloop list="#local.openList#" index="openIndex">
      <cfloop list="#local.closeList#" index="closeIndex">
        <cfif (closeIndex - openIndex) eq 1 >
          <cfset local.removeList = listAppend(local.removeList,openIndex) />
          <cfset local.removeList = listAppend(local.removeList,closeIndex) />
        </cfif>
      </cfloop>
    </cfloop>

    <cfset local.removeList = listSort(local.removeList,"numeric","desc") />

    <cfloop list="#local.removeList#" index="removeIndex">
      <cfset arguments.query.deleteRow(removeIndex) />
    </cfloop>

    <cfreturn arguments.query>
  </cffunction>
  <!--- end: scrub empty param relationships --->