SubOne

SELECT * FROM entriesWHERE (num_repeat = -1)OR (num_repeat =0 AND date_end >= '2006-09-29')OR (num_repeat > 0 AND skip_days > 0 AND '2006-09-29' - INTERVAL skip_days - 1 DAY < date_begin)OR (num_repeat > 0 AND skip_days = 0 AND '2006-09-29' - INTERVAL skip_months - 1 MONTH < date_begin)