PHP - Manual: ingres_error
2024-11-15
(PECL ingres >= 1.1.0)
ingres_error — Get a meaningful error message for the last error generated
$link
] ) : stringReturns a string containing the last error, or NULL if no error has occurred.
If a link
resource is passed to
ingres_error(), it returns the last error recorded for
the link. If no link is passed then ingres_error()
returns the last error reported using the default link.
The function, ingres_error(), should always be called after executing any database query. Calling another function before ingres_error() is called will reset or change any error message from the last Ingres function call.
link
The connection link identifier
Returns a string containing the last error, or NULL if no error has occurred.
Example #1 Get a message for the last error generated
<?php
$link = ingres_connect($database, $user, $password);
$result = ingres_query($link, "select * from table");
$error_text = ingres_error();
if (!is_null($error_text)) {
echo "An error occurred - " . $error_text;
}
?>
官方地址:https://www.php.net/manual/en/function.ingres-error.php