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<?php
/**
* Bitrix Framework
* @package bitrix
* @subpackage main
* @copyright 2001-2016 Bitrix
*/
namespace Bitrix\Main\ORM\Query\Filter;
use Bitrix\Main\ORM\Query\Filter\Expressions\NullExpression;
/**
* SQL operators handler.
* @package bitrix
* @subpackage main
*/
class Operator
{
/**
* Available operators.
* @var array
*/
protected static $operators = array(
'=' => 'eq',
'<>' => 'neq',
'!=' => 'neq',
'<' => 'lt',
'<=' => 'lte',
'>' => 'gt',
'>=' => 'gte',
'in' => 'in',
'between' => 'between',
'like' => 'like',
'exists' => 'exists',
'match' => 'match',
'expr' => 'expr'
);
/**
* List of available operators `code => method`.
*
* @return array
*/
public static function get()
{
return static::$operators;
}
public static function eq($columnSql, $valueSql)
{
if ($valueSql instanceof NullExpression)
{
return "{$columnSql} IS NULL";
}
return "{$columnSql} = {$valueSql}";
}
public static function neq($columnSql, $valueSql)
{
if ($valueSql instanceof NullExpression)
{
return "{$columnSql} IS NOT NULL";
}
return "{$columnSql} <> {$valueSql}";
}
public static function lt($columnSql, $valueSql)
{
return "{$columnSql} < {$valueSql}";
}
public static function lte($columnSql, $valueSql)
{
return "{$columnSql} <= {$valueSql}";
}
public static function gt($columnSql, $valueSql)
{
return "{$columnSql} > {$valueSql}";
}
public static function gte($columnSql, $valueSql)
{
return "{$columnSql} >= {$valueSql}";
}
public static function in($columnSql, $valueSql)
{
return "{$columnSql} IN (".join(', ', (array) $valueSql).")";
}
public static function between($columnSql, $valueSql)
{
return "{$columnSql} BETWEEN {$valueSql[0]} AND {$valueSql[1]}";
}
public static function like($columnSql, $valueSql)
{
return "{$columnSql} LIKE {$valueSql}";
}
public static function exists($columnSql, $valueSql)
{
return "EXISTS ({$valueSql})";
}
public static function match($columnSql, $valueSql)
{
return "MATCH ({$columnSql}) AGAINST ({$valueSql} IN BOOLEAN MODE)";
}
public static function expr($columnSql, $valueSql)
{
return "{$columnSql}";
}
}