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Posted by Tarscher on 12/21/07 11:18
On 21 dec, 12:12, Captain Paralytic <paul_laut...@yahoo.com> wrote:
> On 21 Dec, 10:52,Tarscher<tarsc...@gmail.com> wrote:
>
>
>
> > On 21 dec, 11:45, Captain Paralytic <paul_laut...@yahoo.com> wrote:
>
> > > On 21 Dec, 10:36,Tarscher<tarsc...@gmail.com> wrote:
>
> > > > On 21 dec, 11:13, Captain Paralytic <paul_laut...@yahoo.com> wrote:
>
> > > > > On 21 Dec, 08:43,Tarscher<tarsc...@gmail.com> wrote:
>
> > > > > > Hi all,
>
> > > > > > I have events containing attendees (events has many attendees). The
> > > > > > attendee table tells whether a user will attend the event or not. I
> > > > > > want to build a query that returns all the different events to a user
> > > > > > and if he will attend the event or not (or hasn't filled it in yet)
>
> > > > > > the returned result could be something like:
>
> > > > > > event.id attendees.user_id attendee.present
> > > > > > 1 1 0
> > > > > > 2 1
> > > > > > 3 1 1
>
> > > > > > Please note that attendee.present can be null if the user didn't yet
> > > > > > tell if he would come to the event.
>
> > > > > > Can this be done?
>
> > > > > > thanks
> > > > > > Stijn
>
> > > > > And this has what to do with php?
>
> > > > > You would be better to ask this in a database group.
>
> > > > > However some questions:
> > > > > If a user is querying the database to find if he will be attending the
> > > > > event, why does his own ID need to be present in the output?
> > > > > How does the attendee's id get into the table against an event in the
> > > > > first place?
>
> > > > I indeed don't need the user_id since it is stored in the session. It
> > > > was just to clarify that the query need to return 1 user.
>
> > > > Via the session the user_id stored in the session.
>
> > > > Regards
>
> > > I don't understand how
> > > "Via the session the user_id stored in the session."
>
> > > answers the question
> > > "How does the attendee's id get into the table against an event in the
> > > first place?"
>
> > sorry, a typo
>
> > INSERT INTO attendee (event_id, user_id) VALUES ($event_id,
> > session['user_id'])
>
> > I get the event_id via the url since the user does this per event.
> > eg
> > event1: 'will attend' 'will not attend'
> > event2: 'will attend' 'will not attend'
>
> > The 'will attend' and 'will not attend' links point to the sql query
> > inserting in attendee
>
> > I hope this helps
>
> No, that is not what I mean.
>
> You have a table attendee which contains events. Personally I would
> have an events table to contain the events.
>
> Now you tell us that the attendee table has events and attendees and
> it is possible for an attendee to say that they will not attend the
> event. I have to say that someone who will not attend an event will by
> definition not be an attendee!
>
> My question is, if for some reason you have all your events listed in
> the attendee table and the attendee has not put in there a record
> saying that he will or will not attend the event, how did the record
> with the event id and attendee id get in the table in the first place?
I have an event table and attendee table (events has many attendees).
The event_id in attendee points to the key of the event table.
event table: id, name, time
attendee table, id, user_id, event_id, present
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