lahmanlite/sql/halloffame.sql

begin;
update halloffame
set ballots = null
where ballots = '' or ballots = 'NA';

update halloffame
set needed = null
where needed = '' or needed = 'NA';

alter table halloffame drop column "ballots";
alter table halloffame drop column "needed";
alter table halloffame drop column "needed_note";
commit;