PHP Manual
Ingres 函数
Get the last Ingres error number generated

ingres_errno

(PECL ingres >= 1.1.0)

ingres_errno — Get the last Ingres error number generated

说明

ingres_errno ([ resource $link ] ) : int

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.

参数

link: The connection link identifier

返回值

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

范例

Example #1 Get the last Ingres error number generated

 <?php
$link = ingres_connect($database, $user, $password);

$result = ingres_query($link, "select * from table");

$error_code = ingres_errno($link);

if ( $error_code != 0 ) {
   echo "An error occurred - " . $error_code;
}
?>

参见

ingres_error() - Get a meaningful error message for the last error generated
ingres_errsqlstate() - Get the last SQLSTATE error code generated
ingres_next_error() - Get the next Ingres error

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