<b>MySQL server error report:Array
(
    [0] => Array
        (
            [message] => MySQL Query Error
        )

    [1] => Array
        (
            [sql] => SELECT COUNT(*) FROM `heartroadweb`.`site_e_article` where 1  and cat_id in(16341,16342,16343,16349,16352,a,16344,16345,16449,16350,16351,16409,16411,16341,16342,16343,16349,16352)  AND is_show = 1
        )

    [2] => Array
        (
            [error] => Unknown column 'a' in 'where clause'
        )

    [3] => Array
        (
            [errno] => 1054
        )

)