Subject Re: [IBO] Bug Report
Author Dalton Calford
Hi Jason,

Did I give you enough information to recreate the error?
I have a test app that does it as well (set for employee gdb).

best regards

Dalton


Dalton Calford wrote:
>
> Hi Jason,
>
> We are using Dialect 1, on a Interbase 5.6 linux classic server.
>
> Even if you do not have a real table, or if you use a dummy table, the
> error occurs as soon as you close the sql text property (the memo based
> sql editor - not the sql editor property) if you have auto params on.
> If you are getting to the point where it asks about invalid table or
> column names, you are getting farther then we are.
>
> As a example, open a new project. Throw down a TIBOQuery, set the auto
> params to true, paste in the offending sql, then close the memo. At
> that point, even before you specify a connection or any other factor,
> the invalid parameter error or the access violation occurs.
> This does not occur with the TIB_Query.
>
> best regards
>
> Dalton
>
> PS, Dave says howdy.
>
> Jason Wharton wrote:
> >
> > Dalton,
> >
> > Have you traced the list of parameters to see which ones it does have? Are
> > you using Dialect 3?
> >
> > Would you supply me with the CREATE TABLE statements necessary to duplicate
> > this exactly?
> >
> > PS. Convey my regards to David Z.
> >
> > Thanks,
> > Jason Wharton
> > CPS - Mesa AZ
> > http://www.ibobjects.com
> >
> > ----- Original Message -----
> > From: "Dalton Calford" <dcalford@...>
> > To: <IBObjects@egroups.com>
> > Sent: Thursday, January 11, 2001 11:55 AM
> > Subject: [IBO] Bug Report
> >
> > > Hi All,
> > >
> > > I believe that DavidZ has found a bug in the BDE compatibility layer
> > > within IBO.
> > >
> > >
> > > TIBOQuery complains with "Parameter '' not found.'
> > > or an access violation occurs when we try the following query:
> > >
> > > --------------------------------------------------------
> > > select
> > > a.billingid,
> > > a.activation_date,
> > > a.service_account,
> > > cast(null as date) acdate2
> > > from
> > > billid A
> > > where
> > > a.account = :account
> > > and
> > > activation_date <= :acdate
> > > and
> > > aliasbillid is null
> > > union
> > > select
> > > b.billingid,
> > > b.activation_date,
> > > b.service_account,
> > > b.activation_date acdate2
> > > from
> > > billid_history B
> > > where
> > > b.account=:account
> > > and
> > > b.aliasbillid is null
> > > and
> > > not exists
> > > (select 1
> > > from billid d
> > > where d.billingid = b.billingid
> > > and d.activation_date <= :acdate)
> > > and
> > > b.activation_date =
> > > (select max(c.activation_date)
> > > from billid_history C
> > > where c.billingid = b.billingid
> > > and c.activation_date <= :acdate)
> > >
> > > -----------------------------------------------------------
> > >
> > > The BDE TQuery component has no problem with the query and TIB_Query
> > > works properly with it as well. (Even the IBO sql editor works fine with
> > > the above query)
> > >
> > > For some reason TIBOQuery can not handle it properly.
> > >
> > >
> > > To further pinpoint the problem, the following query
> > >
> > > ------------------------------------------
> > > select a.billingid, a.activation_date, a.service_account,
> > > cast(null as date) acdate2 from billid A
> > > where a.account = :account
> > > and activation_date <= :acdate
> > > and aliasbillid is null
> > > union
> > > select b.billingid, b.activation_date, b.service_account,
> > > b.activation_date acdate2
> > > from billid_history B
> > > where b.account=:account
> > > and b.aliasbillid is null
> > > and not exists (select 1 from billid d
> > > where d.billingid = b.billingid
> > > and d.activation_date <= '01/01/2000')
> > > and
> > > b.activation_date = (select max(c.activation_date) from
> > > billid_history C
> > > where c.billingid = b.billingid and c.activation_date
> > > <='01/01/2000')
> > > ------------------------------------------
> > >
> > > works, but if you replace either instance of '01/01/2000' with a
> > > parameter, the problem occurs.
> > >
> > >
> > > We are using IBO 3.6 Cc under Delphi 5
> > >
> > > We have developed a work around for our application (by directly
> > > changing the sql properties at run time) but we are under the gun for
> > > time so we have not had a chance to fix it directly.
> > >
> > > Hope this is enough information to track it down.
> > >
> > > best regards
> > >
> > > Dalton
> > >
> > >
> > >