anchor.diff:        PreparedStatement updateSaltsUid = null;
         PreparedStatement updatePassword = null;
         PreparedStatement updateSalt = null;
  +      Statement stmtUpPids = null;
  +      ResultSet rsetUpPids = null;
         
         // actually log in and perform statements
         try{          
  
positive.code:             insertPersons.setString(4, phone);
              insertPersons.setInt(5,personId);
              insertPersons.executeUpdate();
              
              // update the userId only if changed, but other than userId still updates that users data.
              if(oldUser.equals(uid)) {
  
negative.code:         if(checkUserIdExists != null) {
            checkUserIdExists.close();
          }
          if(stmtUpPids != null) {
            stmtUpPids.close();
          }
          if(rsetUpPids != null) {
            rsetUpPids.close();
          }
          if(mCon != null) {
            mCon.close();
          }
  