var override_queryfields = [
	{
		name : 'approval_date_from',
		queryexpression : "trunc(t1.approval_date) >= to_date(${@approval_date_from},'yyyy-mm-dd')"
	},
	{
		name : 'approval_date_to',
		queryexpression : "trunc(t1.approval_date) <= to_date(${@approval_date_to},'yyyy-mm-dd')"
	},
	{
		name : 'if_history',
		queryexpression : "((${@if_history} ='N' and (t1.if_history = 'N' or t1.if_history is null)) or (${@if_history} ='Y' and (t1.if_history in ('N','Y') or t1.if_history is null)))"
	}
];


override();