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+--------+--------+
| userid | giftid |
...
| 107736 |      3 |
| 109274 |      2 |
+--------+--------+

while($row_ref = $sth->fetchrow_hashref()) {
 print F "$row_ref->{$_} " for keys %$row_ref;
 print F "\n";
}

1 42128
1 101932
2 105596
3 107736
2 109274