use strict;
use warnings;
-use overload
- '0+' => 'count',
- fallback => 1;
sub new {
- my ($it_class, $db_class, $sth, $args, $cols) = @_;
- $sth->execute(@{$args || []}) unless $sth->{Active};
+ my ($it_class, $sth, $args, $attrs) = @_;
+ #use Data::Dumper; warn Dumper(@_);
+ $it_class = ref $it_class if ref $it_class;
my $new = {
- class => $db_class,
sth => $sth,
- cols => $cols,
- args => $args };
+ args => $args,
+ pos => 0,
+ attrs => $attrs };
return bless ($new, $it_class);
}
sub next {
my ($self) = @_;
- my @row = $self->{sth}->fetchrow_array;
- return unless @row;
- #unless (@row) { $self->{sth}->finish; return; }
- return $self->{class}->_row_to_object($self->{cols}, \@row);
-}
-
-sub count {
- return scalar $_[0]->all; # So inefficient
-}
-
-sub all {
- my ($self) = @_;
- $self->reset;
- my @all;
- while (my $obj = $self->next) {
- push(@all, $obj);
+ return if $self->{attrs}{rows}
+ && $self->{pos} >= $self->{attrs}{rows}; # + $self->{attrs}{offset});
+ unless ($self->{live_sth}) {
+ $self->{sth}->execute(@{$self->{args} || []});
+ if (my $offset = $self->{attrs}{offset}) {
+ $self->{sth}->fetch for 1 .. $offset;
+ }
+ $self->{live_sth} = 1;
}
- $self->reset;
- return @all;
+ my @row = $self->{sth}->fetchrow_array;
+ $self->{pos}++ if @row;
+ return @row;
}
sub reset {
- $_[0]->{sth}->finish if $_[0]->{sth}->{Active};
- $_[0]->{sth}->execute(@{$_[0]->{args} || []});
- return $_[0];
+ my ($self) = @_;
+ $self->{sth}->finish if $self->{sth}->{Active};
+ $self->{pos} = 0;
+ $self->{live_sth} = 0;
+ return $self;
}
-sub first {
- return $_[0]->reset->next;
+sub DESTROY {
+ my ($self) = @_;
+ $self->{sth}->finish if $self->{sth}->{Active};
}
1;