# it appears that execute will only accept string arguments, so
# this is an ugly, ugly hack to get some sort of mysql/postgres
# independence. now i have to go wash my brain with bleach.
- #execute("update changesets set closed_at=(now()-'1 hour') where open=(1=0)")
- #execute("update changesets set closed_at=(now()+'1 hour') where open=(1=1)")
+ execute("update changesets set closed_at=(now()-#{interval_constant('1 hour')}) where open=(1=0)")
+ execute("update changesets set closed_at=(now()+#{interval_constant('1 hour')}) where open=(1=1)")
# remove the open column as it is unnecessary now and denormalises
# the table.