DB_common::autoCommit() -- Turns auto-commit on or off
Описание
Turns auto-commit on or off.
Параметр
- boolean
$onoff
TRUE to turn auto-commit on. FALSE to turn auto-commit off.
Возвращаемое значение
integer - DB_OK on success
or a DB_Error object on failure
Заметка
Эта функция не должна вызываться статически.
When using MySQL as your DBMS, transactions can only be used when the
tables in question use the InnoDB format.
Пример
Пример 34-1. 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();
?> |
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