PHP : Function Reference : MySQL Improved Extension : mysqli_rollback PHP Examples Tutorials References

Example 1544. 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();

}

/* disable autocommit */
$mysqli->autocommit(FALSE);

$mysqli->query("CREATE TABLE myCity LIKE City");
$mysqli->query("ALTER TABLE myCity Type=InnoDB");
$mysqli->query("INSERT INTO myCity SELECT * FROM City LIMIT 50");

/* commit insert */
$mysqli->commit();

/* delete all rows */
$mysqli->query("DELETE FROM myCity");


if ($result = $mysqli->query("SELECT COUNT(*) FROM myCity")) {

    $row = $result->fetch_row();

    printf("%d rows in table myCity.\n", $row[0]);

    /* Free result */

    $result->close();

}

/* Rollback */
$mysqli->rollback();


if ($result = $mysqli->query("SELECT COUNT(*) FROM myCity")) {

    $row = $result->fetch_row();

    printf("%d rows in table myCity (after rollback).\n", $row[0]);

    /* Free result */

    $result->close();

}

/* Drop table myCity */
$mysqli->query("DROP TABLE myCity");

$mysqli->close();
?>

Example 1545. Procedural style

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<?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();

}

/* disable autocommit */
mysqli_autocommit($link, FALSE);

mysqli_query($link, "CREATE TABLE myCity LIKE City");
mysqli_query($link, "ALTER TABLE myCity Type=InnoDB");
mysqli_query($link, "INSERT INTO myCity SELECT * FROM City LIMIT 50");

/* commit insert */
mysqli_commit($link);

/* delete all rows */
mysqli_query($link, "DELETE FROM myCity");


if ($result = mysqli_query($link, "SELECT COUNT(*) FROM myCity")) {

    $row = mysqli_fetch_row($result);

    printf("%d rows in table myCity.\n", $row[0]);

    /* Free result */

    mysqli_free_result($result);

}

/* Rollback */
mysqli_rollback($link);


if ($result = mysqli_query($link, "SELECT COUNT(*) FROM myCity")) {

    $row = mysqli_fetch_row($result);

    printf("%d rows in table myCity (after rollback).\n", $row[0]);

    /* Free result */

    mysqli_free_result($result);

}

/* Drop table myCity */
mysqli_query($link, "DROP TABLE myCity");

mysqli_close($link);
?>

mysqli_rollback

Rolls back current transaction (PHP 5)
bool mysqli_rollback ( mysqli link )

Example 1544. Object oriented style

Example 1545. Procedural style

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mysqli_rollback

Rolls back current transaction (PHP 5) bool mysqli_rollback ( mysqli link )

Example 1544. Object oriented style

Example 1545. Procedural style

Change Language

Rolls back current transaction (PHP 5)
bool mysqli_rollback ( mysqli link )