Page Comparison

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	<data:datadefinition id="test.group">
		<groupdataconnection datadefinition="test.source">
			<parameter name="group"   label="Group"      column="group"/>
			<parameter name="sum"     label="Sum"      column="sum(value)"/>
			<parameter name="avg"     label="Average" column="avg(value)"/>
			<parameter name="min"     label="Minimum"  column="min(value)"/>
			<parameter name="max"     label="Maximum"  column="max(value)"/>
			<parameter name="count"   label="Count"    column="count(1)"/>
			<parameter name="rownum"  label="Row Num"    column="rowNum()"/>
			<parameter name="date"    label="Current Date"    column="date()"/>
		</groupdataconnection>
	</data:datadefinition>