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my $sql = "SELECT UID FROM news";

while (my $newUID = $sth->fetchrow)
{
...
$nextID = $newUID;
}
print p(["Previous = |$prevID|","Current = |$currID|","Next = |$nextID
+|"]);

0 #this is a counter value to escape the while loop after finding the 
+value of $nextID

...
Current = ||

Next = |2|