Permite obtener el número de columnas pivotadas de una tabla virtual (resultado del uso del tag '''vtable.pivot''').

1 vtable.getPivotColumnCount

<vtable.getPivotColumnCount name='name'>
    <vtable /> ?
</vtable.getPivotColumnCount>
Example
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<xsql-script name='vtable_getPivotColumnCount_sample1'>
	<body>

		<vtable name='v1'>
			<column name='region' type='char' />
			<column name='product' type='char' />
			<column name='sales' type='decimal' />
			<column name='profit' type='decimal' />
		</vtable>

		<vtable.insert name='v1'>
			<matrix>
				{"USA",   "NIKE",  "12","9"}
				{"USA",   "PUMA",  "20","99"}
				{"USA",   "PUMA",  "50","999"}
				{"USA",   "REEBOK","15","9999"}
				{"EUROPE","NIKE",  "12","99999"}
				{"EUROPE","PUMA",  "15","999999"}
				{"EUROPE","REEBOK","22","9999999"}
			</matrix>
		</vtable.insert>

		<set name='p1'><vtable.pivot name='v1' pivotcolumns='region' datacolumns='sales, profit' /></set>
		<println><p1 /></println>
		<println>PIVOT COUNT = <vtable.getPivotColumnCount name='p1' /></println>

		<set name='p2'><vtable.pivot name='v1' pivotcolumns='region' datacolumns='sales' /></set>
		<println><p2 /></println>
		<println>PIVOT COUNT = <vtable.getPivotColumnCount name='p2' /></println>

	</body>
</xsql-script>