mysqli_stmt::$sqlstate
mysqli_stmt_sqlstate
(PHP 5, PHP 7, PHP 8)
mysqli_stmt::$sqlstate -- mysqli_stmt_sqlstate — Returns SQLSTATE error from previous statement operation
Descrizione
Stile orientato agli oggetti
Stile procedurale
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:
- mysqli_stmt_errno() - Returns the error code for the most recent statement call
- mysqli_stmt_error() - Returns a string description for last statement error
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