curr_video_id = -1
curr_video_predispositions = {}

execute("SELECT v.id, dp.name, dp.scalar_value FROM disposition_parameters dp JOIN content_dispositions cd ON cd.legacy_id = dp.content_disposition_legacy_id JOIN videos v ON v.legacy_id = cd.legacy_parent_id ORDER BY dp.content_disposition_legacy_id").each_hash do |row|
  if curr_video_id != row["id"]
    Predisposition.create(curr_video_predispositions.merge(:predispositioned_id => row["id"], :predispositioned_type => "Video")) unless curr_video_predispositions.empty?
    curr_video_id = row["id"]
    curr_video_predispositions = {}
  end

  disposition_name = row["name"].downcase
  disposition_name = "logical" if disposition_name == "mathematical-logical"

  curr_video_predispositions[disposition_name.to_sym] = row["scalar_value"].to_i
end