mysqli_stmt::$sqlstate

mysqli_stmt_sqlstate

(PHP 5, PHP 7, PHP 8)

mysqli_stmt::$sqlstate -- mysqli_stmt_sqlstateReturns SQLSTATE error from previous statement operation

Descrizione

Stile orientato agli oggetti

Stile procedurale

mysqli_stmt_sqlstate(mysqli_stmt $statement): string

Returns a string containing the SQLSTATE error code for the most recently invoked prepared statement function that can succeed or fail. 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 » http://dev.mysql.com/doc/mysql/en/error-handling.html.

Elenco dei parametri

stmt

Solo nello stile procedurale: un identificatore di statement restituito da mysqli_stmt_init().

Valori restituiti

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

Esempi

Example #1 Stile orientato agli oggetti

<?php
/* Open a connection */
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");

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

$mysqli->query("CREATE TABLE myCountry LIKE Country");
$mysqli->query("INSERT INTO myCountry SELECT * FROM Country");


$query = "SELECT Name, Code FROM myCountry ORDER BY Name";
if (
$stmt = $mysqli->prepare($query)) {

/* drop table */
$mysqli->query("DROP TABLE myCountry");

/* execute query */
$stmt->execute();

printf("Error: %s.\n", $stmt->sqlstate);

/* close statement */
$stmt->close();
}

/* close connection */
$mysqli->close();
?>

Example #2 Stile procedurale

<?php
/* Open a connection */
$link = mysqli_connect("localhost", "my_user", "my_password", "world");

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

mysqli_query($link, "CREATE TABLE myCountry LIKE Country");
mysqli_query($link, "INSERT INTO myCountry SELECT * FROM Country");


$query = "SELECT Name, Code FROM myCountry ORDER BY Name";
if (
$stmt = mysqli_prepare($link, $query)) {

/* drop table */
mysqli_query($link, "DROP TABLE myCountry");

/* execute query */
mysqli_stmt_execute($stmt);

printf("Error: %s.\n", mysqli_stmt_sqlstate($stmt));

/* close statement */
mysqli_stmt_close($stmt);
}

/* close connection */
mysqli_close($link);
?>

I precedenti esempi visualizzeranno:

Error: 42S02.

Note

Nota:

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

Vedere anche:

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