ifx_affected_rows
(No version information available, might be only in CVS)
ifx_affected_rows — Get number of rows affected by a query
Description
int ifx_affected_rows
( resource $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.
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");
}
?>
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