# ingres_errno

(PECL ingres:1.1-1.4.3)

ingres_errno — Gets the last ingres error number generated

### Description

int ingres_errno ([ resource `$link` ] )

Returns an integer containing the last error number. If no error was reported 0 is returned.

If a `link` resource is passed to ingres_errno() it returns the last error recorded for the link. If no link is passed then ingres_errno() returns the last error reported using the default link.

The function, ingres_errno(), should always be called after executing a database query. Calling another function before ingres_errno() is called, will reset or change any error code from the last Ingres function call.

### Parameters

`link`

  The connection link identifier. If not specified, the last opened link is used.

### Return Values

Returns an integer containing the last error number. If no error was reported 0 is returned.

### Examples

Example#1 ingres_errno() example

`<?php
$link = ingres_connect($database, $user, $password);
ingres_query("select * from table", $link);
$error_code = ingres_errno($link);
if ( $error_code != 0 ) {
echo "An error occured - " . $error_code;
}
?>`

### See Also

- ingres_error()
- ingres_errsqlstate()