<cfif not ParameterExists(datasource)>
    <cfset datasource="">
    <cfset username="">
    <cfset password="">
    <cfset sql_cmds="">
<CFELSE>
<CFQuery Name="Q1" DataSource="#datasource#" username="#username#" password="#password#">
  #preserveSingleQuotes(sql_cmds)#
</CFQuery>
<cfdump var=#q1#>
</cfif>