Crea otro objeto vtable agrupada con los porcentajes de los datos de la vtable pasada.

1 vtable.calculatePercentGroupBy

<vtable.calculatePercentGroupBy
    name='name'
    group='group'
    measure='measure'
    percent='percent'
/>

Attributes
Name	Type	Required	Default	Description
Aname	string				Nombre de la vtable.
Agroup	string				Columna de agrupación.
Ameasure	string				Columna para el cálculo del porcentaje.
Apercent	string				Columna donde se mostrara el porcentaje.

Returns
Type	Description
Vtable	Retorna una nueva tabla virtual agrupada con los porcentajes de los datos de la vtable pasada.

Example

Ejemplo de cálculo y agrupación de los porcentajes en una vtable.

Copy

<xsql-script>
    <body>

        <vtable name='v1'>
            <column name='country' type='char' />
            <column name='labcode' type='char' />
            <column name='sales' type='decimal' />
            <column name='percent_of_sales' type='decimal' scale='2' />
        </vtable>

        <vtable.insert name='v1'>
            <matrix>
                { "FR", "LAB1", "100", "0" }
                { "FR", "LAB2", "200", "0" }
                { "FR", "LAB3", "220", "0" }
                { "FR", "LAB4", "400", "0" }
                { "PT", "LAB1", "40", "0" }
                { "PT", "PAB2", "60", "0" }
                { "DE", "DAB1", "20", "0" }
                { "DE", "DAB2", "22", "0" }
                { "DE", "DAB3", "23", "0" }
            </matrix>
        </vtable.insert>

        <println>
            <v1 />
        </println>
        <println>
            <vtable.calculatePercentGroupBy name='v1'
                group='country' measure='sales' percent='percent_of_sales' />
        </println>

    </body>
</xsql-script>

Este script mostrara:

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+-------+-------+-----+----------------+
|country|labcode|sales|percent_of_sales|
+-------+-------+-----+----------------+
|FR     |LAB1   |  100|            0.00|
|FR     |LAB2   |  200|            0.00|
|FR     |LAB3   |  220|            0.00|
|FR     |LAB4   |  400|            0.00|
|PT     |LAB1   |   40|            0.00|
|PT     |PAB2   |   60|            0.00|
|DE     |DAB1   |   20|            0.00|
|DE     |DAB2   |   22|            0.00|
|DE     |DAB3   |   23|            0.00|
+-------+-------+-----+----------------+


+-------+-------+-----+----------------+
|country|labcode|sales|percent_of_sales|
+-------+-------+-----+----------------+
|FR     |LAB1   |  100|           10.87|
|FR     |LAB2   |  200|           21.74|
|FR     |LAB3   |  220|           23.91|
|FR     |LAB4   |  400|           43.48|
|PT     |LAB1   |   40|           40.00|
|PT     |PAB2   |   60|           60.00|
|DE     |DAB1   |   20|           30.77|
|DE     |DAB2   |   22|           33.85|
|DE     |DAB3   |   23|           35.38|
+-------+-------+-----+----------------+