View
От | A Gilmore |
---|---|
Тема | View |
Дата | |
Msg-id | 4335A4CD.0@shaw.ca обсуждение исходный текст |
Ответы |
Re: View
|
Список | pgsql-novice |
Hello, I have dates in a database that look something like so : CREATE TABLE myEvents ( id integer DEFAULT nextval('serial_seq') PRIMARY KEY, cal_id integer not null references saa_calendars(id) on update cascade on delete cascade, start_date timestamp with time zone NOT NULL DEFAULT now(), end_date timestamp with time zone NOT NULL DEFAULT now() + interval '1 hour', summary text NOT NULL DEFAULT '', description text NOT NULL DEFAULT '' ); CREATE TABLE myRecurrence ( id integer DEFAULT nextval('serial_seq') PRIMARY KEY, event_id integer not null references myEvents(id) on update cascade on delete cascade, timeInterval integer not null default '1', -- Number of weeks/days/months etc timeSpan text NOT NULL DEFAULT 'day', -- day,week,month etc limitDate timestamp with time zone NOT NULL DEFAULT now() ); So I have event bookings, then if they use some kind of recurrence, its stored in myRecurrence. This has worked fine, since sorting out recurring dates (creating the duplicate events) is all done client-side based on these entries. However now I need the server to be aware of recurring dates. So if an event is booked, then to recur each month for 5 months, Id have 5 entires show up in my SELECT. I was hoping to wrap this up in a VIEW however Im at a loss as to how to do it, since its not your typical JOIN or anything. Is this possible in a regular VIEW or am I going to need to create a plpgsql function or some other procedural method of accomplishing this? Thank you for your time, - A Gilmore
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