Subject | Re: [firebird-support] Table is empty |
---|---|
Author | Sam Hunt |
Post date | 2005-06-20T17:16Z |
Gustavo wrote:
least one row.
I test for EOF after my select.
Note: I had problems with early versions of MS MDAC and IB6 when testing
for EOF and BOF. Best to use MDAC 2.6 (or was it 2.7?) or later.
You'll know if your dev environment can't do this. You'll receive an
error when testing BOF or EOF.
Sam H.
>Hello everybody:the table is empty, if you execute any select that should return at
>
> I want to know if a table is empty or not and I'm using the next query:
>
>SELECT FIRST 1 FIELD1 FROM TABLE1
>
> and then I check if the result is empty or not.
>
> I think this is the best way to do this because the result is only one field of one record (or none if the table is empty) and it should have the best performance.
>
> Is this true? Is there a better way to do this?
>
> Thanks in advance.
>
>Gustavo
>
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>++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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>Visit http://firebird.sourceforge.net and click the Resources item
>on the main (top) menu. Try Knowledgebase and FAQ links !
>
>Also search the knowledgebases at http://www.ibphoenix.com
>
>++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
>Yahoo! Groups Links
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least one row.
I test for EOF after my select.
Note: I had problems with early versions of MS MDAC and IB6 when testing
for EOF and BOF. Best to use MDAC 2.6 (or was it 2.7?) or later.
You'll know if your dev environment can't do this. You'll receive an
error when testing BOF or EOF.
Sam H.