DB_common::autoCommit()
DB_common::autoCommit() – Turns auto-commit on or off
Synopsis
mixed autoCommit (
boolean $onoff
= false
)
Description
Turns auto-commit on or off.
Parameter
-
boolean
$onoff -
TRUE to turn auto-commit on. FALSE to turn auto-commit off.
Throws
| Error code | Error message | Reason | Solution |
|---|---|---|---|
| every other error code | Database specific error | Check the database related section of PHP-Manual to detect the reason for this error. |
Note
This function can not be called statically.
When using MySQL as your DBMS, transactions can only be used when the tables in question use the InnoDB format.
Example
Using autocommit()
<?php
$db =& DB::connect('ibase(firebird)://user:pw@localhost/path/file');
$db->autoCommit(false);
$db->query('CREATE TABLE blah (a integer)');
$db->query('CREATE TABLE blue (b integer)');
$db->commit();
$db->query('INSERT INTO blah (a) VALUES (11)');
$db->query('INSERT INTO blah (a) VALUES (12)');
$res1 =& $db->query('SELECT a FROM blah');
if (DB::isError($res1)) {
echo $res1->getMessage() . "\n";
}
$i = 1;
while ($res1->fetchInto($row, DB_FETCHMODE_ORDERED)) {
echo "fetch data $row[0]\n";
echo "insert number $i...\n";
$res2 =& $db->query("INSERT INTO blue (b) VALUES ($i)");
if (DB::isError($res2)) {
echo $res2->getMessage() . "\n";
}
$i++;
}
$res1->free();
$db->query('DROP TABLE blah');
$db->query('DROP TABLE blue');
$db->commit();
?>