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Let's try a different tactic in a scalar context. If there's no data, return undef.

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ian%hixie.ch 2002-07-07 15:42:57 +00:00
parent 43f0aafec4
commit 5a6c17d958
1 changed files with 7 additions and 4 deletions
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11
webtools/PLIF/PLIF/Database/ResultsFrame/DBI.pm
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@ -62,12 +62,15 @@ sub row {
return $self->handle->fetchrow_array();
} else {
my $array = $self->handle->fetchrow_arrayref();
if ($#$array) {
# more than one data point
return $array;
} else {
if ((not defined($array)) or @$array == 0) {
# no data
return undef;
} elsif (@$array == 1) {
# only one data point
return $array->[0];
} else {
# more than one data point
return $array;
}
}
}