PHP : Function Reference : MaxDB PHP Extension : maxdb_rollback PHP Examples Tutorials References

Example 1243. 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();

}

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

$maxdb->query("CREATE TABLE temp.mycity LIKE hotel.city");
$maxdb->query("INSERT INTO temp.mycity SELECT * FROM hotel.city");

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

/* delete all rows */
$maxdb->query("DELETE FROM temp.mycity");


if ($result = $maxdb->query("SELECT COUNT(*) FROM temp.mycity")) {

   $row = $result->fetch_row();

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

   /* Free result */

   $result->close();

}

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


if ($result = $maxdb->query("SELECT COUNT(*) FROM temp.mycity")) {

   $row = $result->fetch_row();

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

   /* Free result */

   $result->close();

}

/* Drop table myCity */
$maxdb->query("DROP TABLE temp.mycity");

$maxdb->close();
?>

Example 1244. Procedural style

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<?php

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

/* check connection */
if (maxdb_connect_errno()) {

   printf("Connect failed: %s\n", maxdb_connect_error());

   exit();

}

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

maxdb_query($link, "CREATE TABLE temp.mycity LIKE hotel.city");
maxdb_query($link, "INSERT INTO temp.mycity SELECT * FROM hotel.city");

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

/* delete all rows */
maxdb_query($link, "DELETE FROM temp.mycity");


if ($result = maxdb_query($link, "SELECT COUNT(*) FROM temp.mycity")) {

   $row = maxdb_fetch_row($result);

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

   /* Free result */

   maxdb_free_result($result);

}

/* Rollback */
maxdb_rollback($link);


if ($result = maxdb_query($link, "SELECT COUNT(*) FROM temp.mycity")) {

   $row = maxdb_fetch_row($result);

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

   /* Free result */

   maxdb_free_result($result);

}

/* Drop table myCity */
maxdb_query($link, "DROP TABLE temp.mycity");

maxdb_close($link);
?>

maxdb_rollback

Rolls back current transaction (PECL maxdb:1.0-7.6.00.38)
bool maxdb_rollback ( resource link )

Example 1243. Object oriented style

Example 1244. Procedural style

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maxdb_rollback

Rolls back current transaction (PECL maxdb:1.0-7.6.00.38) bool maxdb_rollback ( resource link )

Example 1243. Object oriented style

Example 1244. Procedural style

Change Language

Rolls back current transaction (PECL maxdb:1.0-7.6.00.38)
bool maxdb_rollback ( resource link )