On 04/05/2014 11:42 AM, Fred Posner wrote:
When I use xquery, I generally use it with a stored procedure that
returns a value if not matched... so I always return at least one row
with a variable of 'fail', -1, etc. to evaluate.
I actually do that too in many cases, but only because I often need to
pass back additional data about what went wrong (for logging) if no row
was found, so returning a row regardless, with a status column (with a
value like -1) and hijacking another column for some kind of
human-readable explanation.
I like this for a variety of reasons (ie changing sql without changing
the config)... but that being said...
Wouldn't this still work for you:
if($dbr(gateways=>rows)>0) { }
I don't think so. As I understood the documentation, at least, $dbr
doesn't get populated in this case; the rows just go straight to an xavp
list. I suppose I should verify that.
--
Alex Balashov - Principal
Evariste Systems LLC
235 E Ponce de Leon Ave
Suite 106
Decatur, GA 30030
United States
Tel: +1-678-954-0670
Web: http://www.evaristesys.com/, http://www.alexbalashov.com/
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