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Access is goofing up my query

Posted on 2013-06-14
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Last Modified: 2013-06-20
Hello - I had to work up a query that formats data from an Access app for upload to a SAP  database.  

Most of the fields are either literal control codes required by SAP, or fields that are set equal to zero-length strings, which I have as Group By's. There are just a few fields of actual data; transaction amounts, summed up to cost identifiers.

After 4 months of working fine, all of a sudden, all the Group By's and Sum's were changed to Expression's. We changed them back like they were, and saved & closed the query.

Then, because I have become very mistrustful of Access, I opened the query back up to make sure it was still as we saved it.

Sure enough, a few of the Group By's had gone back to Expression's, the Sum's were still there, but then there were some new Group By's of just 2 double-quotes together (no "Expr(x)" names like Access puts on expressions by default), with the Show checkboxes un-checked.

Thinking the query was corrupt, I corrected it again, then cut the SQL out, pasted it to NotePad, deleted the query, created a new query, and pasted the SQL back in. I then saved, closed and re-opened it, and it was STILL back to the condition described above.

Any ideas about how this is happening?

Thanks
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Question by:mlagrange
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3 Comments
 
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Assisted Solution

by:Jim Dettman (Microsoft MVP/ EE MVE)
Jim Dettman (Microsoft MVP/ EE MVE) earned 250 total points
ID: 39248910
The query designer will re-arrange items, but the end result should be the same output.

For example, if you do this on a criteria line:

=Forms![myForm]![myControl] or Forms![myForm]![myControl] = Null

under a column, the query editor will reformat the check to this:

=Forms![myForm]![myControl]

and create a new column defined as:

Forms![myForm]![myControl]

with a check of NULL for the criteria.


If it really is goofing up the query logic, then the only option is to always use SQL view for it so it doesn't change it.

Jim.
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Nick67 earned 250 total points
ID: 39249307

After 4 months of working fine, all of a sudden, all the Group By's and Sum's were changed to Expression's. We changed them back like they were, and saved & closed the query.

Nothing is changing the table names, is it?
Because if you are adding or deleting tables (deleting and re-adding them), even if they have the same name, Access may do something about that, ESPECIALLY if name AutoCorrect options are turned on.  It would be quite odd for the query to be altered if nothing is changing in the tables it is based upon, but if THOSE are being subject to change then what is happening has some cause.

If VBA is an option, then you could code up a button to replace the SQL that is in the query with hard-coded text when the button is pressed.  Being able to dynamically alter the SQL behind a saved query using VBA can be a very handy tool.
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Author Closing Comment

by:mlagrange
ID: 39262324
Thanks, guys
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