mysqli_sqlstate

mysqli->sqlstate

(PHP 5)

mysqli->sqlstate — Returns the SQLSTATE error from previous MySQL operation

Beskrivelse

Procedural style:

string mysqli_sqlstate ( mysqli $link )

Object oriented style (property):

mysqli

string$sqlstate;

Returns a string containing the SQLSTATE error code for the last error. The error code consists of five characters. '00000' means no error. The values are specified by ANSI SQL and ODBC. For a list of possible values, see » https://dev.mysql.com/doc/mysql/en/error-handling.html.

Note: Note that not all MySQL errors are yet mapped to SQLSTATE's. The value HY000 (general error) is used for unmapped errors.

Parameterliste

link: Procedural style only: A link identifier returned by mysqli_connect() or mysqli_init()

Returneringsværdier

Returns a string containing the SQLSTATE error code for the last error. The error code consists of five characters. '00000' means no error.

Eksempler

Example#1 Object oriented style


<?php
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");

/* check connection */
if (mysqli_connect_errno()) {
    printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}

/* Table City already exists, so we should get an error */
if (!$mysqli->query("CREATE TABLE City (ID INT, Name VARCHAR(30))")) {
    printf("Error - SQLSTATE %s.\n", $mysqli->sqlstate);
}

$mysqli->close();
?>

Example#2 Procedural style


<?php
$link = mysqli_connect("localhost", "my_user", "my_password", "world");

/* check connection */
if (mysqli_connect_errno()) {
    printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}

/* Table City already exists, so we should get an error */
if (!mysqli_query($link, "CREATE TABLE City (ID INT, Name VARCHAR(30))")) {
    printf("Error - SQLSTATE %s.\n", mysqli_sqlstate($link));
}

mysqli_close($link);
?>

Ovenstående eksempel vil udskrive:

Error - SQLSTATE 42S01.

Se også