RE: howto figure out if ResultSet is empty

["McCallion, Martin" <martin.mccallion@xxxxxxxxx>]

Mihael Knezevic wrote:

> howto figure out if ResultSet is empty ?
>
> my code looks like this:
>
> Statement statement;
> ResultSet rs;
>
> String stm = "Select xxx from xxx.xxx where xxx";
>
> rs = statement.executeQuery(stm);
>
> while(rs.next())
> {
>       do.something();
> }

I'm not entirely sure, but I think that if no rows are returned, rather
than an empty ResultSet you get a null one; so just test it for null
first.  As well as that, if there is no row available (presumably, even
if there are no rows to begin with) next() should return false.

Cheers,

Martin.

--
Martin McCallion
Senior Technical Consultant
Work:  martin.mccallion@misys.com
Home: martin.mccallion@ukonline.co.uk
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