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<?php
/**
* This file is part of CodeIgniter 4 framework.
*
* (c) CodeIgniter Foundation <admin@codeigniter.com>
*
* For the full copyright and license information, please view
* the LICENSE file that was distributed with this source code.
*/
namespace CodeIgniter\Database\SQLite3;
use CodeIgniter\Database\BaseBuilder;
/**
* Builder for SQLite3
*/
class Builder extends BaseBuilder
{
/**
* Default installs of SQLite typically do not
* support limiting delete clauses.
*
* @var bool
*/
protected $canLimitDeletes = false;
/**
* Default installs of SQLite do no support
* limiting update queries in combo with WHERE.
*
* @var bool
*/
protected $canLimitWhereUpdates = false;
/**
* ORDER BY random keyword
*
* @var array
*/
protected $randomKeyword = [
'RANDOM()',
];
/**
* @var array
*/
protected $supportedIgnoreStatements = [
'insert' => 'OR IGNORE',
];
/**
* Replace statement
*
* Generates a platform-specific replace string from the supplied data
*/
protected function _replace(string $table, array $keys, array $values): string
{
return 'INSERT OR ' . parent::_replace($table, $keys, $values);
}
/**
* Generates a platform-specific truncate string from the supplied data
*
* If the database does not support the TRUNCATE statement,
* then this method maps to 'DELETE FROM table'
*/
protected function _truncate(string $table): string
{
return 'DELETE FROM ' . $table;
}
}
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