[AccessD] ...gurus only

No problem, but don't use THIS example, use my second one, which just
posted.  This example uses logic for that 'FieldHasData' field, which if
you have more or less fields, you're going to go bonkers writing that.
My 'fix' is FAR easier.  To Add a field, you would just add the
following line to the union query:

UNION ALL SELECT XYZ As Field, IIF(Not IsNull([XYZ]),5,null) AS
FieldHasData, ID
FROM tblWilliam;

And then add the XYZ field to the totals query (which you can do through
the query builder).  The only 'trick' is making sure that the true part
of the IIF field is sequential in the order that you want to check the
series in.

Honestly, I wrote the example in less time then it would have taken to
write code for it...plus, the finished result is just a plain old query,
which is easy to push into a form or report.

Drew

-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com] On Behalf Of William
Hindman
Sent: Friday, November 02, 2007 3:22 PM
To: Access Developers discussion and problem solving
Subject: Re: [AccessD] ...gurus only

...sigh ...I've probably tried at least 50 different qry approaches
before 
trying to write code to do it ...I'll give this one a shot ...tks :)

William

----- Original Message ----- 
From: "Drew Wutka" <DWUTKA at marlow.com>
To: "Access Developers discussion and problem solving" 
<accessd at databaseadvisors.com>
Sent: Friday, November 02, 2007 4:08 PM
Subject: Re: [AccessD] ...gurus only


> To do this with just queries isn't too difficult, though the series
(by
> your definition) requires a little logic checking.  You could probably
> do this with just one query, but what I tested uses two.  A Union
query,
> and then a totals query.  The Union query takes your W,X,Y, and Z
fields
> and puts them in the same field:
>
> SELECT ALL W As Field, IIF(Not IsNull([W]),1,0) AS FieldHasData, ID
> FROM tblWilliam
> UNION ALL SELECT X As Field, IIF(Not IsNull([X]),1,IIF((Not
IsNull([W]))
> AND (Not IsNull([Y]) OR Not IsNull([Z])),1,0)) AS FieldHasData, ID
> FROM tblWilliam
> UNION ALL SELECT Y As Field, IIF(Not IsNull([Y]),1,IIF((Not
IsNull([W])
> OR Not IsNull([Y])) AND Not IsNull([Z]),1,0)) AS FieldHasData, ID
> FROM tblWilliam
> UNION ALL SELECT Z As Field, IIF(Not IsNull([Z]),1,0) AS FieldHasData,
> ID
> FROM tblWilliam;
>
> Note: My test table has ID as an AutoNumber, and then fields W,X,Y,
And
> Z as long integers.  It's important to use the ALL statement in this
> thing, because Union queries default to not showing records with
> duplicate data.
>
> Next, we can now use a simple totals query to get the results you
want:
>
> SELECT tblWilliam.ID, Sum(qryUnionedFields.FieldHasData) AS
> SumOfFieldHasData, tblWilliam.W, tblWilliam.X, tblWilliam.Y,
> tblWilliam.Z, Max(qryUnionedFields.Field) AS MaxOfField
> FROM tblWilliam INNER JOIN qryUnionedFields ON tblWilliam.ID =
> qryUnionedFields.ID
> GROUP BY tblWilliam.ID, tblWilliam.W, tblWilliam.X, tblWilliam.Y,
> tblWilliam.Z
> ORDER BY tblWilliam.ID;
>
> Note that the Max field is simple, it's just Maxing the values in the
> union query based on the ID field.  The series is summing that
'middle'
> field in the Union query, which, by the logic we put in the union
query,
> shows a 1 if it needs to be counted in the series 'sum'.
>
> I'll send you the sample db I whipped this up in, offline.
>
> Drew
>
> -----Original Message-----
> From: accessd-bounces at databaseadvisors.com
> [mailto:accessd-bounces at databaseadvisors.com] On Behalf Of William
> Hindman
> Sent: Friday, November 02, 2007 2:46 PM
> To: Access Developers discussion and problem solving
> Subject: Re: [AccessD] ...gurus only
>
> ...ah me ...leave it to you to catch that one, no wonder I've been
> spinning
> in circles ...the fields are indeed long integers though I can convert
> them
> readily :)
>
> William
>
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