2007-08-17, 02:55 AM
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超级版主
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注册日期: 2006-01-04
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Category description length (varchar 255) can increase?
Here is the code:
引用:
<?php
/************************************************
* INSTALL:
* Place this in your main folder, after you
* run it, please rename it or remove it from
* the site so no one else could use it on your
* database.
*
************************************************/
// Include the initialization info
include('init.php');
// Add a new field
$sql = "ALTER TABLE {$tables['category']['name']} ADD DESC_LONG TEXT NULL AFTER DESCRIPTION";
// If that completed alright, then lets continue on, otherwise DIE DIE DIE!!
if (!$db->Execute($sql))
{
die (mysql_error());
}
// Now, lets grab the DESCRIPTIONS, and input them into the new field
$sql = "SELECT ID, DESCRIPTION FROM {$tables['category']['name']}";
// Pull the results
$data = $db->GetAll($sql);
// Now lets do the ole switch arooo
foreach($data as $row)
{
// Update SQL, it now switches the two DESCRIPTION's around
$db->Execute("UPDATE {$tables['category']['name']} SET DESC_LONG = '" . $row['DESCRIPTION'] . "' WHERE ID = {$row['ID']}");
}
// Now, for the final step we'll rename DESCRIPTION to DESCRIPTION_OLD, and DESC_LONG to DESCRIPTION
$db->Execute("ALTER TABLE {$tables['category']['name']} CHANGE DESCRIPTION DESCRIPTION_OLD VARCHAR( 255 ) NULL DEFAULT NULL") or die (mysql_error());
$db->Execute("ALTER TABLE {$tables['category']['name']} CHANGE DESC_LONG DESCRIPTION TEXT NULL DEFAULT NULL") or die (mysql_error());
echo "All went fine... I guess ; )";
?>
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save as description.php, and run it with ie. and deleted it.
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