MySQL server error report:Array
(
[0] => Array
(
[message] => MySQL Query Error
)
[1] => Array
(
[sql] => SELECT DISTINCT(b.goods_id) FROM `mwpa_cn`.`ecs_goods_attr` AS a, `mwpa_cn`.`ecs_goods_attr` AS b WHERE b.attr_value >= 57 AND b.attr_value <= AND b.attr_id = 20
)
[2] => Array
(
[error] => You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'AND b.attr_id = 20' at line 1
)
[3] => Array
(
[errno] => 1064
)
)