update : 2015.11.03
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Returns the SQLSTATE error from previous MySQL operation
mysqli
PHP Manual

mysqli::$sqlstate

mysqli_sqlstate

(PHP 5)

mysqli::$sqlstate -- mysqli_sqlstate — Returns the SQLSTATE error from previous MySQL operation

설명

객체 기반 형식

string $mysqli->sqlstate;

절차식 형식

string mysqli_sqlstate ( mysqli $link )

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 » http://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.

인수

link

순차 형식 전용: mysqli_connect()나 mysqli_init()가 반환한 연결 식별자.

반환값

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

예제

Example #1 $mysqli->sqlstate example

객체 기반 형식

<?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();
?>

절차식 형식

<?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);
?>

위 예제들의 출력:

Error - SQLSTATE 42S01.

참고

mysqli
PHP Manual