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Code Issues Releases Wiki Activity

[ticket/14992] Add indexes to user_notifications table

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[ticket/14992] Change how index length is checked

[ticket/14992] Remove duplicates from user_notifications table

[ticket/14992] Add unique index to user_notifications table

[ticket/14992] Shorten unique index name

[ticket/14992] Shorten another index for user notifications
This commit is contained in:
David Colón 2017-02-13 14:03:54 -05:00
parent 9b4d455726
commit e5eb702514
4 changed files with 157 additions and 8 deletions
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50
phpBB/phpbb/db/migration/data/v32x/user_notifications_table_indexes.php Normal file
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@ -0,0 +1,50 @@
<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
namespace phpbb\db\migration\data\v32x;
class user_notifications_table_indexes extends \phpbb\db\migration\migration
{
static public function depends_on()
{
return array(
'\phpbb\db\migration\data\v32x\cookie_notice_p2',
);
}
public function update_schema()
{
return array(
'add_index' => array(
$this->table_prefix . 'user_notifications' => array(
'user_id' => array('user_id'),
'user_id_item_id' => array('user_id', 'item_id'),
'user_itm_type_id' => array('user_id', 'item_type', 'item_id'),
),
),
);
}
public function revert_schema()
{
return array(
'drop_keys' => array(
$this->table_prefix . 'user_notifications' => array(
'user_id',
'user_id_item_id',
'user_itm_type_id',
),
),
);
}
}

55
phpBB/phpbb/db/migration/data/v32x/user_notifications_table_remove_duplicates.php Normal file
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@ -0,0 +1,55 @@
<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
namespace phpbb\db\migration\data\v32x;
class user_notifications_table_remove_duplicates extends \phpbb\db\migration\migration
{
static public function depends_on()
{
return array(
'\phpbb\db\migration\data\v32x\user_notifications_table_indexes',
);
}
public function update_data()
{
return array(
array('custom', array(array($this, 'remove_duplicates'))),
);
}
public function remove_duplicates()
{
$insert_buffer = new \phpbb\db\sql_insert_buffer($this->db, $this->table_prefix . 'user_notifications');
$sql = "SELECT item_type, item_id, user_id, method, MAX(notify) AS notify
FROM {$this->table_prefix}user_notifications
GROUP BY item_type, item_id, user_id, method
HAVING COUNT(item_type) > 1";
$result = $this->sql_query($sql);
while ($row = $this->db->sql_fetchrow($result))
{
// Delete the duplicate entries
$this->sql_query("DELETE FROM {$this->table_prefix}user_notifications
WHERE user_id = {$row['user_id']}
AND item_type = '{$row['item_type']}'
AND method = '{$row['method']}'");
// And re-insert as a single one
$insert_buffer->insert($row);
}
$this->db->sql_freeresult($result);
}
}

46
phpBB/phpbb/db/migration/data/v32x/user_notifications_table_unique_index.php Normal file
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@ -0,0 +1,46 @@
<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
namespace phpbb\db\migration\data\v32x;
class user_notifications_table_unique_index extends \phpbb\db\migration\migration
{
static public function depends_on()
{
return array(
'\phpbb\db\migration\data\v32x\user_notifications_table_remove_duplicates',
);
}
public function update_schema()
{
return array(
'add_unique_index' => array(
$this->table_prefix . 'user_notifications' => array(
'itm_usr_mthd' => array('item_type', 'item_id', 'user_id', 'method'),
),
),
);
}
public function revert_schema()
{
return array(
'drop_keys' => array(
$this->table_prefix . 'user_notifications' => array(
'itm_usr_mthd',
),
),
);
}
}

14
phpBB/phpbb/db/tools/tools.php
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@ -1487,17 +1487,17 @@ class tools implements tools_interface
{
$statements = array();
$this->check_index_name_length($table_name, $index_name);
switch ($this->sql_layer)
{
case 'oracle':
case 'sqlite3':
$this->check_index_name_length($table_name, $table_name . '_' . $index_name);
$statements[] = 'CREATE UNIQUE INDEX ' . $table_name . '_' . $index_name . ' ON ' . $table_name . '(' . implode(', ', $column) . ')';
break;
case 'mysql_40':
case 'mysql_41':
$this->check_index_name_length($table_name, $index_name);
$statements[] = 'ALTER TABLE ' . $table_name . ' ADD UNIQUE INDEX ' . $index_name . '(' . implode(', ', $column) . ')';
break;
}
@ -1512,8 +1512,6 @@ class tools implements tools_interface
{
$statements = array();
$this->check_index_name_length($table_name, $index_name);
// remove index length unless MySQL4
if ('mysql_40' != $this->sql_layer)
{
@ -1524,6 +1522,7 @@ class tools implements tools_interface
{
case 'oracle':
case 'sqlite3':
$this->check_index_name_length($table_name, $table_name . '_' . $index_name);
$statements[] = 'CREATE INDEX ' . $table_name . '_' . $index_name . ' ON ' . $table_name . '(' . implode(', ', $column) . ')';
break;
@ -1539,6 +1538,7 @@ class tools implements tools_interface
}
// no break
case 'mysql_41':
$this->check_index_name_length($table_name, $index_name);
$statements[] = 'ALTER TABLE ' . $table_name . ' ADD INDEX ' . $index_name . ' (' . implode(', ', $column) . ')';
break;
}
@ -1554,11 +1554,9 @@ class tools implements tools_interface
*/
protected function check_index_name_length($table_name, $index_name)
{
$table_prefix = substr(CONFIG_TABLE, 0, -6); // strlen(config)
if (strlen($table_name . $index_name) - strlen($table_prefix) > 24)
if (strlen($index_name) > 30)
{
$max_length = strlen($table_prefix) + 24;
trigger_error("Index name '{$table_name}_$index_name' on table '$table_name' is too long. The maximum is $max_length characters.", E_USER_ERROR);
trigger_error("Index name '$index_name' on table '$table_name' is too long. The maximum is 30 characters.", E_USER_ERROR);
}
}