db2_autocommit

(PECL ibm_db2 >= 1.0.0)

db2_autocommit — Returns or sets the AUTOCOMMIT state for a database connection

说明

db2_autocommit(resource $connection, bool $value = ?): mixed

Sets or gets the AUTOCOMMIT behavior of the specified connection resource.

参数

connection

A valid database connection resource variable as returned from db2_connect() or db2_pconnect().

value

One of the following constants:

DB2_AUTOCOMMIT_OFF: Turns AUTOCOMMIT off.
DB2_AUTOCOMMIT_ON: Turns AUTOCOMMIT on.

返回值

When db2_autocommit() receives only the connection parameter, it returns the current state of AUTOCOMMIT for the requested connection as an integer value. A value of DB2_AUTOCOMMIT_OFF indicates that AUTOCOMMIT is off, while a value of DB2_AUTOCOMMIT_ON indicates that AUTOCOMMIT is on.

When db2_autocommit() receives both the connection parameter and autocommit parameter, it attempts to set the AUTOCOMMIT state of the requested connection to the corresponding state. 成功时返回 true，或者在失败时返回 false。

范例

示例 #1 Retrieving the AUTOCOMMIT value for a connection

In the following example, a connection which has been created with AUTOCOMMIT turned off is tested with the db2_autocommit() function.


<?php
$options = array('autocommit' => DB2_AUTOCOMMIT_OFF);
$conn = db2_connect($database, $user, $password, $options);
$ac = db2_autocommit($conn);
if ($ac == DB2_AUTOCOMMIT_OFF) {
    print "$ac -- AUTOCOMMIT is off.";
} else {
    print "$ac -- AUTOCOMMIT is on.";
}
?>

以上例程会输出：

0 -- AUTOCOMMIT is off.

示例 #2 Setting the AUTOCOMMIT value for a connection

In the following example, a connection which was initially created with AUTOCOMMIT turned off has its behavior changed to turn AUTOCOMMIT on.


<?php
$options = array('autocommit' => DB2_AUTOCOMMIT_OFF);
$conn = db2_connect($database, $user, $password, $options);

// Turn AUTOCOMMIT on
$rc = db2_autocommit($conn, DB2_AUTOCOMMIT_ON);
if ($rc) {
    print "Turning AUTOCOMMIT on succeeded.\n";
}

// Check AUTOCOMMIT state
$ac = db2_autocommit($conn);
if ($ac == DB2_AUTOCOMMIT_OFF) {
    print "$ac -- AUTOCOMMIT is off.";
} else {
    print "$ac -- AUTOCOMMIT is on.";
}
?>

以上例程会输出：

Turning AUTOCOMMIT on succeeded.
1 -- AUTOCOMMIT is on.

参见

db2_connect() - Returns a connection to a database
db2_pconnect() - Returns a persistent connection to a database

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官方地址：https://www.php.net/manual/en/function.db2-autocommit.php

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db2_autocommit

说明

参数

返回值

范例

参见

User Contributed Notes