mirror of
https://github.com/wallabag/wallabag.git
synced 2024-12-23 08:06:33 +00:00
70df4c3359
When using `OR` in a where clause, a composite index can't be used. We should use a `UNION` to take advantages of it. Instead, create 2 indexes on each hashed urls and make 2 queries to find an url. It'll be faster than the previous solution.
54 lines
1.4 KiB
PHP
54 lines
1.4 KiB
PHP
<?php
|
|
|
|
namespace Application\Migrations;
|
|
|
|
use Doctrine\DBAL\Schema\Schema;
|
|
use Wallabag\CoreBundle\Doctrine\WallabagMigration;
|
|
|
|
/**
|
|
* Added `given_url` & `hashed_given_url` field in entry table.
|
|
*/
|
|
class Version20190601125843 extends WallabagMigration
|
|
{
|
|
/**
|
|
* @param Schema $schema
|
|
*/
|
|
public function up(Schema $schema)
|
|
{
|
|
$entryTable = $schema->getTable($this->getTable('entry'));
|
|
|
|
if (!$entryTable->hasColumn('given_url')) {
|
|
$entryTable->addColumn('given_url', 'text', [
|
|
'notnull' => false,
|
|
]);
|
|
}
|
|
|
|
if (!$entryTable->hasColumn('hashed_given_url')) {
|
|
$entryTable->addColumn('hashed_given_url', 'text', [
|
|
'length' => 40,
|
|
'notnull' => false,
|
|
]);
|
|
}
|
|
|
|
// 40 = length of sha1 field hashed_given_url
|
|
$entryTable->addIndex(['user_id', 'hashed_given_url'], 'hashed_given_url_user_id', [], ['lengths' => [null, 40]]);
|
|
}
|
|
|
|
/**
|
|
* @param Schema $schema
|
|
*/
|
|
public function down(Schema $schema)
|
|
{
|
|
$entryTable = $schema->getTable($this->getTable('entry'));
|
|
|
|
if ($entryTable->hasColumn('given_url')) {
|
|
$entryTable->dropColumn('given_url');
|
|
}
|
|
|
|
if ($entryTable->hasColumn('hashed_given_url')) {
|
|
$entryTable->dropColumn('hashed_given_url');
|
|
}
|
|
|
|
$entryTable->dropIndex('hashed_given_url_user_id');
|
|
}
|
|
}
|