You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '±ÐµÑ‚она AND properties.property_value=''))' at line 3SELECT goods.id FROM decorka_catalog_good AS goods LEFT JOIN decorka_catalog_good_property AS properties ON goods.id=properties.good_id WHERE goods.category_id=114 AND ((properties.property_id=бетона AND properties.property_value='')) ;