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PHP

Asks the server to kill a MySQL thread


mysqli::kill

mysqli_kill

(PHP 5)

mysqli::kill -- mysqli_killAsks the server to kill a MySQL thread

Description

Object oriented style

bool mysqli::kill ( int $processid )

Procedural style

bool mysqli_kill ( mysqli $link , int $processid )

This function is used to ask the server to kill a MySQL thread specified by the processid parameter. This value must be retrieved by calling the mysqli_thread_id() function.

To stop a running query you should use the SQL command KILL QUERY processid.

Parameters

link

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

Return Values

Returns TRUE on success or FALSE on failure.

Examples

Example #1 mysqli::kill() example

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();
}

/* determine our thread id */
$thread_id $mysqli->thread_id;

/* Kill connection */
$mysqli->kill($thread_id);

/* This should produce an error */
if (!$mysqli->query("CREATE TABLE myCity LIKE City")) {
    
printf("Error: %s\n"$mysqli->error);
    exit;
}

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

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();
}

/* determine our thread id */
$thread_id mysqli_thread_id($link);

/* Kill connection */
mysqli_kill($link$thread_id);

/* This should produce an error */
if (!mysqli_query($link"CREATE TABLE myCity LIKE City")) {
    
printf("Error: %s\n"mysqli_error($link));
    exit;
}

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

The above examples will output:

 Error: MySQL server has gone away 

See Also



Content

Android Reference

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SQL

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Design patterns

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