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maxdb_thread_id

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maxdb::thread_id

(PECL maxdb >= 1.0)

maxdb_thread_id -- maxdb::thread_id — Returns the thread ID for the current connection

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Description

Procedural style

maxdb_thread_id ( resource $link ) : int

Object oriented style

int $maxdb->thread_id;

The maxdb_thread_id() function returns the thread ID for the current connection which can then be killed using the maxdb_kill() function. If the connection is lost and you reconnect with maxdb_ping(), the thread ID will be other. Therefore you should get the thread ID only when you need it.

Note:

The thread ID is assigned on a connection-by-connection basis. Hence, if the connection is broken and then re-established a new thread ID will be assigned.

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Return Values

maxdb_thread_id() returns the Thread ID for the current connection.

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Examples

Example #1 Object oriented style

<?php
$maxdb = new maxdb("localhost", "MONA", "RED", "DEMODB");

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

/* determine our thread id */
$thread_id = $maxdb->thread_id;

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

/* This should produce an error */
if (!$maxdb->query("CREATE TABLE mycity LIKE hotel.city")) {
   printf("Error: %s\n", $maxdb->error);
   exit;
}

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

Example #2 Procedural style

<?php
$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");

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

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

/* Kill connection */
maxdb_kill($link, $thread_id);

/* This should produce an error */
if (!maxdb_query($link, "CREATE TABLE mycity LIKE hotel.city")) {
   printf("Error: %s\n", maxdb_error($link));
   exit;
}

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

The above example will output something similar to:

Warning: maxdb_query(): -10821 Session not connected <...>
Error: Session not connected

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See Also

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Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/php-rf-function.maxdb-thread-id.html

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References

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