Olu Amey
60 lines
1.1 KiB
PHP
60 lines
1.1 KiB
PHP
<?php
|
|
|
|
/**
|
|
* This file is part of the 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\MySQLi;
|
|
|
|
use CodeIgniter\Database\BaseBuilder;
|
|
|
|
/**
|
|
* Builder for MySQLi
|
|
*/
|
|
class Builder extends BaseBuilder
|
|
{
|
|
/**
|
|
* Identifier escape character
|
|
*
|
|
* @var string
|
|
*/
|
|
protected $escapeChar = '`';
|
|
|
|
/**
|
|
* Specifies which sql statements
|
|
* support the ignore option.
|
|
*
|
|
* @var array
|
|
*/
|
|
protected $supportedIgnoreStatements = [
|
|
'update' => 'IGNORE',
|
|
'insert' => 'IGNORE',
|
|
'delete' => 'IGNORE',
|
|
];
|
|
|
|
/**
|
|
* FROM tables
|
|
*
|
|
* Groups tables in FROM clauses if needed, so there is no confusion
|
|
* about operator precedence.
|
|
*
|
|
* Note: This is only used (and overridden) by MySQL.
|
|
*
|
|
* @return string
|
|
*/
|
|
protected function _fromTables(): string
|
|
{
|
|
if (! empty($this->QBJoin) && count($this->QBFrom) > 1)
|
|
{
|
|
return '(' . implode(', ', $this->QBFrom) . ')';
|
|
}
|
|
|
|
return implode(', ', $this->QBFrom);
|
|
}
|
|
}
|