import("system.result");
import("system.vars");

if(vars.exists("$param.RelId_param") && vars.get("$param.RelId_param") != null && vars.get("$param.RelId_param") != "")
    result.string("CONTRACT.RELATION_ID = ('" + vars.getString("$param.RelId_param") + "')");  
else
    result.string("1 = 1");