All issues of fact and of law joined in any such action shall be tried by the court unless the court shall otherwise direct or unless a party to an issue of fact in any such action shall demand a trial by jury, in which case such issues shall be tried by jury as other issues of fact; and on the trial of every such action every defendant shall be deemed to have a redeemable interest in all the lands described in the county's complaint in respect to which any relief or judgment is sought against such defendant, unless it be otherwise alleged therein.
Wis. Stat. § 75.46