Subject Re: [IBO] Params
Author Jason Wharton
The code you put here looks perfectly reasonable.
There is for sure something else going on here.
You haven't tinkered with the CheckParams property have you?
Make sure it is true for this type of usage.

Jason Wharton
CPS - Mesa AZ
http://www.ibobjects.com


----- Original Message -----
From: "Gordon Hamm" <vds@...>
To: <IBObjects@yahoogroups.com>
Sent: Wednesday, July 18, 2001 7:07 PM
Subject: Re: [IBO] Params


> Ok, that helps alot.. Im still having trouble with params.. Its like they
> arent there at all..I keep putting them in, they keep dispearing.
> I didnt understand Jasons comment about Params only being available after
a
> post, or something like that..
> Im just trying to do a simple..
>
> ANISDB.SQL.CLEAR;
> ANISDB.SQL.ADD('SELECT * FROM ANI WHERE ANI = :ANI');
> anisdb.ParamByName('ANI').asstring := aniedit.text;
> ANISDB.OPEN;
>
> It always says the parameter doesnt exist. I am able to make a literal
> string, and my queries work fine. You guys prob think Im a real dope, but
> honest , Im reading everything I can get my hands on including Jasons
> primer.
>
> Gordon Hamm
>
>
> ----- Original Message -----
> From: "Geoff Worboys" <geoff@...>
> To: <IBObjects@yahoogroups.com>
> Sent: Wednesday, July 18, 2001 7:12 PM
> Subject: Re: [IBO] Params
>
>
> > > If I use the RequestLive, Everything seems to work fine. I was
> > > under the impression that you shouldnt use RequestLive to be
> > > true client server compliant, so Ive been trying to write the
> > > app to work with RequestLive:=False. Maybe this is part of my
> > > trouble? I just noticed that the contact manager demo has
> > > RequestLive set to true..
> >
> > If you were using the API directly you would be correct. The "FOR
> > UPDATE" clause of the SQL is not normally good for performance.
> > However IBO takes care of this for you. If you use the "FOR UPDATE"
> > clause in your SQL it automatically sets RequestLive=true (or you can
> > forget the FOR UPDATE clause and just just RequestLive=true directly).
> >
> > The point being that when RequestLive is true, IBO will normally take
> > care of the details for you. It removes the "FOR UPDATE" clause from
> > the SQL it sends to the server to ensure good performance and then
> > creates the additional SQL required to insert/update/delete as though
> > you had a live update cursor.
> >
> > If you have a complicated query (using joins or stored procedures) it
> > may be necessary to create your own insert/update/delete SQL to make
> > the dataset truly "live". But much of the time you can avoid such
> > complications by splitting your query into multiple datasets with
> > appropriate master/detail configuration.
> >
> > HTH
> >
> > Geoff Worboys
> > Telesis Computing
> >
> >
> >
> >
> > Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
> >
> >
>
>
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>