Query Problem

  • Thread starter Thread starter Jeremy Kropf
  • Start date Start date
J

Jeremy Kropf

I have a table with a field memo field 'groups'
containing information as to what group a person belongs
to. Multiples are allowed. A sample entry would
be "SS1^09030804". The values after the caret character
are beginning and ending date values (0903 being
September '03 etc.) [This is not the way I would have set
it up, but what I have to work with for now].

I want to select all the people in a certain group, who
end after a certain date. based on the values I select in
a form. I have tried to use two queries to do this, but I
can't seem to get it to work.

First I selected everyone meeting the group criteria,
regardless of date:

myIndSQL = "SELECT IndRec.IndivNo, IndRec.LastName,
IndRec.FirstName, IndRec.Groups" _
& " FROM IndRec WHERE (((IndRec.Groups) Like '*" &
Me!GroupSelected & "*')) ORDER BY IndRec.LastName;"
Set myInd = myDB.CreateQueryDef("MyIndQuery", myIndSQL)

This code works just fine. It selects all the people who
have a certain group. The second code is what I have the
problem with. I wanted to try to narrow the first
selection to only those whose end date is after the
criteria selected.

I tried this:

myDateSQL = "SELECT * FROM myIndQuery" _
& " WHERE (((cdate(Mid([Groups], InStr([Groups], '" &
Me!GroupSelected & "') + 8, 2)/1/" _
& "Mid([Groups], InStr([Groups], '" & Me!
GroupSelected & "') + 10, 2))" _
& ">=#" & (Left$(Me!FirstDate, 2) & "/1/" & Right$(Me!
FirstDate, 2)) & "#)));" _

Set myDate = myDB.CreateQueryDef("MyDateQuery", myDateSQL)

When I open this query it gives me a "Data Type Mismatch
in criteria expression" error. I have tried to pick this
apart, and it seems as though the error comes in when I
try to use the InStr function, but I am not sure how else
to get the end date of the group I am looking for. Maybe
there is a lot easier way.

Help will be very much appreciated.

Thanks.
Jeremy
 
1. Find the original developer and plonk him on the forhead with whatever is
within reach.
2. Convert the data to a useful data structure, as this will be a continuing
nightmare until the app dies.

FWIW, datatype mismatches happen when you try to compare two datatypes that
don't match. Typically, a Null is the problem, so use NZ() to prevent the
error.

--
HTH,

Steve Clark, Access MVP
FMS, Inc.
Professional Solutions Group
http://www.FMSInc.com
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