SELECT distinct 
			a.* 
			,b.*
			,case when c.	FK_voucher_map_id = 1122 then 1 else 0 end as voucher_flag
		FROM  `tbl_picture_type_map`  a
		inner join `tbl_hotel_gallery` b
		on a.FK_pic_id = b.pic_id
		left join tbl_gallery_voucher_map c
		on b.pic_id = c.FK_pic_id
		where `FK_picture_type_id` = 4
		and FK_hotel_id = 
		and FK_voucher_map_id =  1122
		and c.FK_pic_id is not null ---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 FK_voucher_map_id =  1122
		and c.FK_pic_id is not null' at line 12