1 grid.result.getAccuracy

Release 2017.3

Tag available since version 2017.3.

Returns the accuracy of the number of nodes where the query was executed. For example if the grid contains 4 nodes and one of them gets an exception the accuracy is 0.75.

<grid.result.getAccuracy>
    <resultSet /> !
</grid.result.getAccuracy>

Arguments
Name	Type	Required	Unique	Nullable	Description
EresultSet	ResultSet				The result set obtained from select.grid.

Returns
Type	Description
integer	Returns the accuracy of the number of databases where the query was executed.

Example

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<xsql-script>
    <body>
        <connection name='sysmaster1'>
            <set name='rs'>
                <!-- Run a multi database query, returning a memory result set. -->
                <!-- Each db has it's pool configuration timeout but can be owerride via timeout !=0 -->

                <select.grid name='grid_demo' timeout='30'>
                    <columns>tabname, nrows, npused</columns>
                    <from table='systables' />
                    <where>tabname LIKE 'capuntes%'</where>
                </select.grid>
            </set>
        </connection>

        <println>
            <rs/>
        </println>

        <println>
            ... The accuray of execution is: <grid.result.getAccuracy><rs /></grid.result.getAccuracy>
        </println>

    </body>
</xsql-script>

+--------+-----------+----------+--------------+----------+
|tabname |nrows      |npused    |grid_node     |grid_error|
|varchar |float      |float     |char          |char      |
|visible |visible    |visible   |visible       |visible   |
+--------+-----------+----------+--------------+----------+
|capuntes|   7887,000|  1604,000|demo_sports   |          |
|capuntes| 442028,000| 89265,000|demo_industria|          |
|capuntes|4557441,000|955229,000|demo_cons     |          |
+--------+-----------+----------+--------------+----------+

... The accuray of execution is: 0.75