#
# Add columns to record the minimum and maximum times in advance
# that ordinary users may make bookings

ALTER TABLE %DB_TBL_PREFIX%area
ADD COLUMN min_book_ahead_enabled    tinyint,
ADD COLUMN min_book_ahead_secs       int,
ADD COLUMN max_book_ahead_enabled    tinyint,
ADD COLUMN max_book_ahead_secs       int;
