Context-sensitive tab complete

[ewaters]

If you tab complete in the where clause, we should be able in most cases to know which table(s) you are selecting from and can give you a list of only the columns from those table(s)

select * from accounts where \t gives you a list of only the columns in accounts

select * from accounts as a join orders as o on \t gives you a list of the columns in accounts, prefixed with a., and the columns in orders prefixed with o.