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Problem combining multiple rows into one

48 New Member
i am using access 2007 and i am trying to combine multiple rows into one. i am using the code from this site but i continue to get this error:
Compile error in query expression. last(concat(dat a1.company,data 1.esi))
i tried using max instead of last same error however.
Expand|Select|Wrap|Line Numbers
  1. Public Function Concat(strCOMPANY As String, _
  2.       strESI As String) As String
  3.       Static strLastCOMPANY As String
  4.       Static strESI As String
  6.       If strCOMPANY = strLastCOMPANY Then
  7.          strESI = strESI & ", " & strESI
  8.      Else
  9.          strLastCOMPANY = strCOMPANY
  10.          strESI = strESI
  11.      End If
  12.      Concat = strESI
  13.  End Function
my query is as follows
Expand|Select|Wrap|Line Numbers
  2. SELECT data1.COMPANY, Last(Concat(data1.[COMPANY],data1.[ESI])) AS ESIs
  3. FROM data1
  4. GROUP BY data1.[COMPANY];
Jan 11 '12 #1
7 1976
32,584 Recognized Expert Moderator MVP
It looks like you've got something from Producing a List from Multiple Records but not followed the instructions very well. You should be working with Max() (and posting that code properly - NOT typing it in).

That said, I would expect, assuming the data fits the required format, that it would work.
Jan 11 '12 #2
48 New Member
Thanks NeoPa. it worked perfectly.
Jan 12 '12 #3
298 Contributor
is there anyway to do this without the use of some VBA function call? I mean, to do it entirely within an SQL statement, ... no modules, just plain SQL
Jan 12 '12 #4
12,516 Recognized Expert Moderator MVP
Not with Jet SQL no. In DB2 and SQL Server you can use the built in XML functionality. In MySQL you can use a variable.
Jan 12 '12 #5
32,584 Recognized Expert Moderator MVP
It's a somewhat unnatural request to be fair Pod. SQL and RDBMSs are based on set theory, in which positioning is not relevant. Various systems nevertheless supply such functionality (as indicated by Rabbit's post).
Jan 12 '12 #6
298 Contributor
"Various systems" always seem to be excluding Microsoft.Jet :)

The reason for my request is that I always try to put as much of the work within the SQL statement, to get as much done as possible before the rest of the code within tool takes over... but it looks like I will have to add a function ...
Jan 12 '12 #7
32,584 Recognized Expert Moderator MVP
Actually, Jet tends more towards providing extra towards those whose thinking is less than pure (as in pure set theory). In this case though, while it does provides the Cross-tab query, that's as far as it goes as far as I know. So, ultimately, you're still out of luck there I'm afraid.
Jan 12 '12 #8

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