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    select
    a.id,
    a.main_image_id,
    ai.template_id,
    a.reg_year,
    a.price,
    a.mileage,
    mk.make,
    md.model
    from c_ads a
    inner join c_makes mk on a.make_id = mk.id
    inner join c_models md on a.model_id = md.id
    left join c_ad_images ai on a.main_image_id = ai.id
    where dealer_id = 283
      and a.expires_at > now()
      AND a.deleted_at IS NULL
      AND a.paused_at IS NULL
      AND a.reservation_id IS NULL
      AND a.web_sale_id IS NULL 
      and is_dealer_special = 1
  Unknown column 'a.web_sale_id' in 'where clause'