I'd like to chime in and say that we run
such SELECT COUNT(*) queries all the time in Derby and have never encountered
Don't think that "AS" aliasing
Chris Wilson <firstname.lastname@example.org>
Derby Discussion <email@example.com>
01/21/2011 01:07 PM
Re: Issue with COUNT function
On Fri, 21 Jan 2011, NBW wrote:
> SELECT COUNT(*) FROM (SELECT file.md5, instCollection.collectionId
> file, collection leafCollection, collection instCollection WHERE
> (file.status=1 OR file.status=2) and file.collectionId =
> leafCollection.collectionId AND leafCollection.instanceCollectionId
> instCollection.collectionId GROUP BY file.md5, instCollection.collectionId)
> That query under Oracle works fine. Under Derby I get the following
> [42X01] Syntax error: Encountered "<EOF>" at
line 1, column 313.
> If I run the query without the SELECT COUNT(*) it will run fine in
> too, but I am trying to get the count :-)
> I feel like I must be missing something obvious here.
I think that every sub-SELECT must have a table alias in Derby, so add
t" to the end of the query (after the closing parenthesis) and it
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