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PHP ifx_affected_rows

PHP original manual for ifx_affected_rows [ show | php.net ]

ifx_affected_rows

(PHP 4, PHP 5 < 5.2.1)

ifx_affected_rows — Get number of rows affected by a query

Description

int ifx_affected_rows ( resource $result_id )

Returns the number of rows affected by a query associated with result_id.

For inserts, updates and deletes the number is the real number (sqlerrd[2]) of affected rows. For selects it is an estimate (sqlerrd[0]). Don't rely on it. The database server can never return the actual number of rows that will be returned by a SELECT because it has not even begun fetching them at this stage (just after the "PREPARE" when the optimizer has determined the query plan).

Useful after ifx_prepare() to limit queries to reasonable result sets.

Parameters

result_id

A valid result id returned by ifx_query() or ifx_prepare().

Return Values

Returns the number of rows as an integer.

Examples

Example #1 Informix affected rows

<?php
$rid = ifx_prepare("select * from emp
                     where name like " . $name, $connid);
if (! $rid) {
    /* ... error ... */
}
$rowcount = ifx_affected_rows($rid);
if ($rowcount > 1000) {
    printf ("Too many rows in result set (%d)\n<br />", $rowcount);
    die ("Please restrict your query<br />\n");
}
?>

See Also