-- log of administrative changes over time
CREATE TABLE adminlog (
	-- who (null means "swallowtail"), where, when, what, why
	who bigint		null references users (id),
	pr bigint		not null references PRs (id),
	change text		not null,       
	when date		not null,
	comment text		not null

	-- if a message was posted, this is the one
	msgid bigint		null references messages (id),
)
WITHOUT OIDS;